µÚÊ®ËÄÕ - µçÆøÉ豸µÄÑ¡Ôñ

µÚÊ®ËÄÕ µçÆøÉ豸µÄÑ¡Ôñ

±¾Õ¼òÒª½éÉܶÌ·µçÁ÷µÄµç¶¯Á¦Ð§Ó¦ºÍÈÈЧӦ£¬Öصã½éÉÜ·¢µç³§±äµçÕ¾Ö÷ÒªµçÆøÉ豸ѡÔñµÄÒ»°ãÒªÇóºÍÑ¡Ôñ·½·¨¡£

µÚÒ»½Ú ¶Ì·µçÁ÷µÄЧӦ

Ò»¡¢¶Ì·µçÁ÷µç¶¯Á¦Ð§Ó¦ 1.ÔØÁ÷µ¼ÌåµÄµç¶¯Á¦

Ëùνµç¶¯Á¦ÊÇÖ¸ÔØÁ÷µ¼ÌåÔÚÏàÁÚÔØÁ÷µ¼Ìå²úÉúµÄ´Å³¡ÖÐËùÊܵĵç´ÅÁ¦¡£ÔØÁ÷µ¼ÌåÖ®¼äµç¶¯Á¦µÄ´óС£¬È¡¾öÓÚͨ¹ýµ¼ÌåµçÁ÷µÄÊýÖµ¡¢µ¼ÌåµÄ¼¸ºÎ³ß´ç¡¢ÐÎ×´ÒÔ¼°¸÷Ïà°²×°µÄÏà¶ÔλÖõȶàÖÖÒòËØ¡£

ÔÚÒ»°ãÇé¿öÏ£¬µ±µçÁ¦ÏµÍ³Öз¢ÉúÈýÏà¶Ì·ºó£¬µ¼ÌåÁ÷¹ý³å»÷¶Ì·µçÁ÷ʱ±ØÈ»»áÔÚµ¼ÌåÖ®¼ä²úÉú×î´óµÄµç¶¯Á¦¡£Èç¹ûµ¼ÌåºÍ¾øÔµ×ӵĻúеǿ¶È½ÏµÍ£¬¶Ì·µçÁ÷Ëù²úÉúµÄµç¶¯Á¦½«»áÒýÆðÔØÁ÷µ¼Ìå±äÐΡ¢¾øÔµ×ÓË𻵣¬ÉõÖÁÓÚ»áÔì³ÉеĶÌ·¹ÊÕÏ¡£ÎªÁ˱ÜÃâ¶Ì·ºóÔÙÒýÆðеĹÊÕÏ£¬±ØÐë²ÉÈ¡ÏàÓ¦µÄ¼¼Êõ´ëÊ©£¬ÒÔ±£Ö¤µçÆøÉ豸µÄ¶¯Îȶ¨ÐԺϸñ¡£

£¨1£©Á½Æ½Ðе¼Ìå¼ä×î´óµÄµç¶¯Á¦¡£

µ±ÈÎÒâ½ØÃæµÄÁ½¸ùƽÐе¼Ìå·Ö±ðͨÓеçÁ÷i1ºÍi2ʱ£¬Á½µ¼Ìå¼ä×î´óµÄµç¶¯Á¦F¸ù¾Ýµç¹¤Ñ§ÖбȰ¡ªÈø·¥¶û¶¨ÂÉ£¬Ó¦²ÉÓÃÈçϹ«Ê½½øÐмÆË㣺

F?2Kfi1i2L?10?7 £¨N£© £¨14-1£© aʽÖУºi1 ¡¢i2¡ªÍ¨¹ýµ¼ÌåµÄµçÁ÷˲ʱ×î´óÖµ£¬A£»

L¡ªÆ½Ðе¼Ì峤¶È£¬£¨m£©£» ¨»¡ªµ¼ÌåÖáÏß¼ä¾àÀ룬£¨m£©£» Kf¡ªÐÎ״ϵÊý¡£

ÐÎ״ϵÊýKf±íÃ÷ʵ¼Êͨ¹ýµ¼ÌåµÄµçÁ÷²¢·ÇÈ«²¿¼¯ÖÐÔÚµ¼ÌåµÄÖáÏßλÖÃʱ£¬µçÁ÷·Ö²¼¶Ôµç¶¯Á¦µÄÓ°Ïì¡£ÐÎ״ϵÊýKfÓëµ¼Ìå½ØÃæÐÎ×´ÒÔ¼°µ¼ÌåµÄÏà¶ÔλÖÃÓйء£ÐÎ״ϵÊýµÄÈ·¶¨½Ï¸´ÔÓ£¬¾ØÐÎĸÏß½ØÃæÐÎ״ϵÊýÇúÏßÈçͼ14£­1Ëùʾ£¬¿É¹©¹¤³Ì¼ÆËãʹÓá£Ö»Óе±µ¼Ìå½ØÃæ»ý·Ç³£Ð¡¡¢µ¼Ì峤¶È±Èµ¼ÌåÖ®¼äÖáÏß¾àÀë´óµÃ¶à£¬²ÅÄܼٶ¨Í¨¹ýµ¼Ìå

ͼ14£­1 ¾ØÐÎĸÏß½ØÃæÐÎ״ϵÊýÇúÏß

294

µÄµçÁ÷¼¯ÖÐÔÚµ¼ÌåÖáÏßÉÏ£¬ÕâʱÐÎ״ϵÊýKfµÈÓÚ1¡£Êµ¼Ê¹¤³ÌÖУ¬ÈýÏàĸÏß²ÉÓÃÔ²½ØÃæµ¼Ìåʱ£¬µ±Á½ÏർÌåÖ®¼äµÄ¾àÀë×ã¹»´ó£¬ÐÎ״ϵÊýKfȡΪ1£»¶ÔÓÚ¾ØÐε¼Ìå¶øÑÔ£¬µ±Á½µ¼ÌåÖ®¼äµÄ¾»¾à´óÓÚ¾ØÐÎĸÏßµÄÖܳ¤Ê±£¬ÐÎ״ϵÊýKf¿ÉȡΪ1¡£

ͨÓеçÁ÷µÄµ¼ÌåËù²úÉúµç¶¯Á¦µÄ·½ÏòÓëµ¼ÌåÖеçÁ÷µÄ·½ÏòÓйأºÁ½¸öÔØÁ÷µ¼ÌåÖеĵçÁ÷·½ÏòÏàͬʱ£¬Æäµç¶¯Á¦ÎªÏ໥ÎüÒý£»Á½¸öÔØÁ÷µ¼ÌåÖеĵçÁ÷·½ÏòÏ෴ʱ£¬Æäµç¶¯Á¦ÎªÏ໥Åų⡣

£¨2£©Á½Ïà¶Ì·ʱƽÐе¼Ìå¼äµÄ×î´óµç¶¯Á¦¡£

·¢ÉúÁ½Ïà¶Ì·ʱ£¬Æ½Ðе¼ÌåÖ®¼äµÄ×î´óµç¶¯Á¦F

£¨2£©

£¨N£©¿ÉÓÃÏÂÁй«Ê½¼ÆË㣺

F?2??2ik?2?ʽÖУºi?2?k2L?10?7£¨N£© £¨14-2£© a¡ªÁ½Ïà¶Ì·³å»÷µçÁ÷£¬£¨A£©¡£

£¨3£©ÈýÏà¶Ì·ʱƽÐе¼ÌåÖ®¼äµÄ×î´óµç¶¯Á¦¡£

·¢ÉúÈýÏà¶Ì·ʱ£¬Ã¿ÏർÌåËù³ÐÊܵĵ綯Á¦µÈÓÚ¸ÃÏർÌåÓëÆäËüÁ½ÏàÖ®¼äµç¶¯Á¦µÄʸÁ¿ºÍ¡£ÈýÏർÌåˮƽ²¼ÖÃʱ£¬ÓÉÓÚ¸÷ÏർÌåËùͨ¹ýµÄµçÁ÷²»Í¬£¬ËùÒÔ±ßÔµÏàÓëÖмäÏàËù³ÐÊܵĵ綯Á¦Ò²²»Ïàͬ¡£

(3)±ßÔµÏàUÏàÓëÖмäÏàVÏർÌåËù³ÐÊܵÄ×î´óµç¶¯Á¦FU¡¢FV(3)·Ö±ðΪ

FU?3??1.61ik?3? FV?3?2?1.73ik?3?2L?10?7 £¨N£© £¨14-3£© aL?10?7 £¨N£© £¨14-4£© a(3)ʽÖУºik¡ªÈýÏà³å»÷¶Ì·µçÁ÷£¬£¨A£©¡£

±È½Ïʽ£¨14-3£©ºÍʽ£¨14-4£©Ö®ºó¿ÉÒÔ¿´³ö£¬·¢ÉúÈýÏà¶Ì·ºó£¬Ä¸ÏßΪÈýÏàˮƽ²¼ÖÃʱÖмäÏർÌåËù³ÐÊܵĵ綯Á¦×î´ó¡£¹Ê¼ÆËãÈýÏà¶Ì·ʱµÄ×î´óµç¶¯Á¦Ê±£¬Ó¦°´ÖмäÏർÌåËù³ÐÊܵĵ綯Á¦¼ÆËã¡£

µ±ÏµÍ³ÖÐͬһ´¦·¢ÉúÈýÏà»òÁ½Ïà¶Ì·ʱ£¬¶Ì·´¦ÈýÏà³å»÷¶Ì·µçÁ÷ÓëÁ½Ïà³å»÷¶Ì·µçÁ÷Ö®±ÈΪ2/3¡£F(3)/F(2)?1.15£¬¼´µçÁ¦ÏµÍ³ÖÐͬһµØµã·¢Éú²»Í¬ÖÖÀàµÄ¶Ì·ʱ£¬µ¼

ÌåËù³ÐÊÜÈýÏà¶Ì·ʱµÄ×î´óµç¶¯Á¦±ÈÁ½Ïà¶Ì·ʱµÄ×î´óµç¶¯Á¦´ó15£¥¡£Òò´Ë£¬ÔÚУÑéµ¼ÌåµÄ×î´óµç¶¯Á¦Ê±£¬°´ÈýÏà¶Ì·µÄ×îÑÏÖØÇé¿ö¿¼ÂÇ¡£

¶þ¡¢¶Ì·µçÁ÷µÄÈÈЧӦ

µçÆøÉ豸ÔÚ¹¤×÷¹ý³ÌÖУ¬ÓÉÓÚ×ÔÉí´æÔÚ×ÅÓй¦¹¦ÂÊËðºÄ£¬ËùÒÔ±ØÈ»»áÒýÆðµçÆøÉ豸µÄ·¢ÈÈ¡£µçÆøÉ豸µÄ¹¦ÂÊËðºÄÖ÷Òª°üÀ¨ÒÔϼ¸²¿·Ö£ºµ¼ÌåÓëµ¼ÌåÖ®¼ä½Ó´¥µç×èÉϲúÉúµÄËðºÄ£¬µ¼Ìå×ÔÉíµç×èÉϲúÉúµÄËðºÄ£»¾øÔµ²ÄÁÏÔڵ糡×÷ÓÃϲúÉúµÄ½éÖÊËðºÄµÈµÈ¡£

¸ù¾Ýµ¼Ìåͨ¹ýµçÁ÷µÄ´óСºÍ³ÖÐøʱ¼ä³¤¶ÌµÄ²»Í¬£¬¿É½«µ¼Ìå·¢ÈÈ·ÖΪ³¤ÆÚ·¢ÈȺͶÌ·ʱ·¢ÈÈÁ½ÖÖ¡£³¤ÆÚ·¢ÈÈÊÇÖ¸Õý³£¹¤×÷µçÁ÷Ôڽϳ¤Ê±¼äÄÚËùÒýÆðµÄ·¢ÈÈ£»¶Ì·ʱ·¢ÈÈÊÇÖ¸¶Ì·µçÁ÷ÔÚ¼«¶ÌµÄʱ¼äÄÚËùÒýÆðµÄ·¢ÈÈ¡£

295

µçÆøÉ豸ÔÚ¹¤×÷¹ý³ÌÖÐËù²úÉúµÄÈÈÁ¿»áʹԪ¼þ×ÔÉíµÄζÈÉý¸ß£¬µçÆøÉ豸ζÈÉý¸ßºó»áÔì³ÉһЩ²»Á¼µÄÓ°Ïì¡£ÆäÖ÷ÒªÊÇ£º

£¨1£©Ó°ÏìµçÆøÉ豸µÄ¾øÔµ¡£¾øÔµ²ÄÁÏÔÚ¸ßκ͵糡µÄ×÷ÓÃÏ»áÖð½¥ÀÏ»¯£¬¾øÔµÀÏ»¯µÄËÙ¶ÈÓëζȵĸߵÍÓйأ¬Î¶ÈÓú¸ß¾øÔµµÄÀÏ»¯ËÙ¶ÈÓú¿ì¡£µçÆøÉ豸¸ù¾Ý±¾Éí¾øÔµ²ÄÁϵÄÄÍÈÈÐÔÄܺÍʹÓÃÊÙÃüÈ·¶¨ÆäÔÊÐíµÄʹÓÃζȡ£µçÆøÉ豸Èç¹ûÔÚʹÓÃÖеÄζȳ¬¹ýËù¹æ¶¨µÄÔÊÐíζÈʱ£¬½á¹û»áʹµçÆøÉ豸µÄʹÓÃÄêÏÞËõ¶Ì£»·´Ö®£¬ÄÜÑÓ³¤µçÆøÉ豸µÄʹÓÃÊÙÃü¡£

£¨2£©Ó°Ïì½Ó´¥µç×èÖµ¡£Èç¹û½ðÊôµ¼ÌåµÄζÈÔڽϳ¤Ê±¼äÄÚ³¬¹ýÒ»¶¨ÊýÖµ£¬µ¼Ìå±íÃæµÄÑõ»¯ËٶȻá¼Ó¿ì£¬»áʹµ¼Ìå±íÃæ½ðÊôÑõ»¯ÎïÔö¶à¡£ÓÉÓÚÓÐЩ½ðÊôÑõ»¯ÎïµÄµç×èÂʽÏÆä½ðÊôµç×èÂÊ´óÐí¶à±¶£¬ËùÒÔµ±µ¼Ìåζȹý¸ßʱ»áÔì³É½Ó´¥µç×èÔö´ó¡£µ¼Ìå½Ó´¥µç×èÔö´óÖ®ºó£¬ÓÖÒýÆð×ÔÉí¹¦ÂÊËðºÄ¼Ó´ó£¬Æä½á¹ûµ¼Öµ¼ÌåζÈÔÙÉý¸ß£»µ±µ¼ÌåζÈÉý¸ßºó£¬ÓÖÒªÒýÆð½Ó´¥µç×èÔÙÔö´ó£¬Èç´Ë¶ñÐÔÑ­»·ÏÂÈ¥£¬»áÔì³Éµ¼Ìå½Ó´¥²¿·ÖµÄζȼ±¾çÉý¸ß£¬ÉõÖÁÓÚ»áʹ½ÓÍ·ÈÛ»¯£¬Ôì³ÉÑÏÖØʹʡ£

£¨3£©½µµÍ»úеǿ¶È¡£½ðÊô²ÄÁÏÔÚʹÓÃζȳ¬¹ýÒ»¶¨ÊýÖµÖ®ºó£¬Æä»úеǿ¶È»áÏÔÖø½µµÍ¡£Èç¹ûµçÆøÉ豸µÄʹÓÃζȹý¸ß£¬¿ÉÄÜ»áʹµçÆøÔª¼þµÄ»úеǿ¶È½µµÍ£¬Ó°ÏìµçÆ÷µÄ°²È«ÔËÐС£

ΪÁËÏÞÖƵçÆøÉ豸Òò·¢Èȶø²úÉú²»ÀûÓ°Ï죬±£Ö¤µçÆøÉ豸µÄÕýȷʹÓ㬹ú¼Ò¹æ¶¨ÁËÔØÁ÷µ¼ÌåºÍµçÆ÷³¤ÆÚ·¢ÈȺͶÌ·ʱ·¢ÈȵÄÔÊÐíζȣ¬Ïê¼û±í14£­1Ëùʾ¡£

µ±Ä¸ÏߵIJÄÁÏÏàͬ¡¢½ØÃæÏàµÈʱ£¬Í¨³£³Æ֮Ϊ¾ùÔȵ¼Ìå¡£¾ùÔȵ¼ÌåÎÞµçÁ÷ͨ¹ýʱ£¬ÆäζÈÓëÖÜΧ»·¾³Î¶ÈÏàͬ¡£µ±Óй¤×÷µçÁ÷ͨ¹ýʱ£¬µ¼ÌåËù²úÉúµÄÈÈÁ¿Ò»²¿·ÖÓÃÓÚµ¼ÌåζÈ

±í14£­1 ÔØÁ÷µ¼ÌåºÍµçÆ÷³¤ÆÚ·¢ÈȺͶÌ·ʱ·¢ÈȵÄÔÊÐíζÈ

³¤ÆÚ¹¤×÷·¢ÈÈ µ¼ÌåÖÖÀàºÍ²ÄÁÏ ÔÊÐíζȣ¨¡æ£© Í­ ÂãĸÏß ÂÁ ¸Ö£¨²»ºÍµçÆ÷Ö±½ÓÁ¬½Óʱ£© ¸Ö£¨ºÍµçÆ÷Ö±½ÓÁ¬½Óʱ£© ͭо10V¼°ÒÔÏ ÓͽþÖ½¾øÔµµçÀ ÂÁо10V¼°ÒÔÏ ͭо20¡«30kV ³äÓÍÖ½¾øÔµ60¡«330kV ¾øÔµµçÀ ½»Áª¾ÛÒÒÏ©¾øÔµµçÀ ÓÐÖмä½ÓÍ·µÄµçÀÂ

ÏðƤ¾øÔµµçÀ ¾ÛÒÒÏ©¾øÔµµçÀ ͭо ÂÁо Îýº¸½ÓÍ· ѹ½Ó½ÓÍ· 70 70 70 70 60¡«80 60¡«80 50 70¡«75 50 60 80 80 ÔÊÐíÎÂÉý£¨¡æ£© 45 45 45 45 ¶Ì·ʱ·¢ÈÈ ÔÊÐíζȣ¨¡æ£© 300 200 400 300 250 200 175 160 150 130 230 200 120 150 ÔÊÐíÎÂÉý£¨¡æ£© 230 130 330 230 190¡«170 140¡«120 125 90¡«85 100 70 150 120 296

Éý¸ß£¬ÁíÒ»²¿·ÖÔò»áÉ¢²¼µ½µ¼ÌåÖÜΧµÄ½éÖÊÖÐÈ¥¡£ÕâÑù£¬µ¼ÌåÔÚ²»¶Ï²úÉúÈÈÁ¿µÄͬʱ£¬Ò²²»¶ÏµØÏòÖÜΧ½éÖÊÉ¢·¢ÈÈÁ¿£¬µ±µ¼ÌåËù²úÉúµÄÈÈÁ¿ÓëÉ¢·¢µÄÈÈÁ¿ÏàµÈʱ£¬µ¼ÌåζȽ«»áÎȶ¨µ½Ä³Ò»ÊýÖµ¡£

¹¤×÷µçÁ÷Ëù²úÉúµÄÈÈÁ¿ÒýÆðµ¼Ìåζȵı仯Èçͼ14£­2ÖÐÇúÏßAB¶ÎËùʾ¡£Í¼ÖÐ?0Ϊµ¼ÌåÖÜΧ½éÖÊζȣ¬?1Ϊµ¼Ìåͨ¹ý¹¤×÷µçÁ÷ʱµÄÎȶ¨Î¶ȡ£Îȶ¨Î¶È?1Óëµ¼ÌåÖÜΧ½éÖÊζÈ?0µÄ¸ßµÍÒÔ¼°Í¨¹ýµçÁ÷µÄ´óСÓйء£µ±µ¼ÌåÖÜΧ½éÖÊζÈ?0µÈÓÚÎÒ¹úËù²ÉÓõÄÖÜΧý½éÖÊ£¨»·¾³£©¼ÆËãζȣ¬Í¨¹ý¹¤×÷µçÁ÷Ϊ¶î¶¨µçÁ÷ʱ£¬µ¼ÌåÎȶ¨Î¶ÈÇ¡µÈÓÚÆ䳤ÆÚÔÊÐí¹¤×÷·¢ÈÈζȡ£

µ±¶Ì·µçÁ÷ͨ¹ýµ¼Ìåʱ£¬ÓÉÓڶ̷µçÁ÷Öµ½ÏÕý³£¹¤×÷µçÁ÷´óÐí¶à±¶¶øÇÒͨ¹ýµÄʱ¼äºÜ¶Ì£¬ËùÒԶ̷µçÁ÷Ëù²úÉúµÄÈÈÁ¿¼¸ºõÈ«²¿ÓÃÓÚµ¼ÌåζȵÄÉý¸ß¡£¶Ì·ʱµ¼Ìåζȱ仯Èçͼ14£­2ÖÐÇúÏßBC¶ÎËùʾ£¬?kΪ¶Ì·ʱµÄ×î¸ßζȡ£¶Ì·µçÁ÷±»ÇгýÖ®ºó£¬µ¼ÌåζȻáÖ𽥵ؽµÖÁÖÜΧ»·¾³Î¶È?0£¬Æäζȱ仯Èçͼ14£­2ÖÐÇúÏßCµãºóµÄÐéÏßËùʾ¡£ 1.¶Ì·ʱ×î¸ß·¢ÈÈζȼÆËã

A¦È0¦È¦ÈkC¦ÈB1Ot1t2t3tͼ14£­2 µ¼Ìåζȱ仯ÇúÏß

ÔÚʵÓüÆËãÖУ¬µ¼Ìå¶Ì·ʱµÄ×î¸ßζȿÉÒÔ¸ù¾Ý??f?A?¹ØϵÇúÏß½øÐмÆËã¡£Èçͼ14£­3Ëùʾ£¬Í¼Öкá×ø±êΪAÖµ£¬×Ý×ø±êΪ?Öµ¡£µ±µ¼Ìå²ÄÁϵÄζÈ?ֵȷ¶¨Ö®ºó£¬´Óͼ

ͼ14£­3 µ¼Ìå?

?f?A?ÇúÏßͼ

297

14£­3ÖпÉÖ±½Ó²éµ½Ëù¶ÔÓ¦µÄAÖµ¡£·´Ö®£¬ÒÑÖªAֵʱҲ¿É´ÓÇúÏßÖÐÕÒµ½¶ÔÓ¦µÄ?Ö®Öµ¡£

ʹÓÃͼ14£­3ËùʾµÄÇúÏß¼ÆËãµ¼Ìå¶Ì·ʱµÄ×î¸ßζÈ?kµÄ²½ÖèÈçÏ£º

Ê×Ïȸù¾ÝÔËÐÐζÈ?i´ÓÇúÏßÖвé³öAiÖ®Öµ£»È»ºó½«AiÓëQkÖ®Öµ´úÈ루14£­5£©Ê½£¬¼ÆËã³öAk£»È»ºóÔÙ¸ù¾ÝAk£¬´Óͼ14£­3ÇúÏßÖвé³ö?kÖ®Öµ¡£

AK?ʽÖУºS¡ªµ¼Ìå½ØÃæ»ý£¬£¨m2£©£»

14

Q?A £¨J/¦¸.m£© £¨14-5£© Ki2S£¨J/¦¸.m4£©£» Ak¡ª¶Ì·ʱµÄÈÈ״ֵ̬£¬

£¨J/¦¸.m4£©¡£ Ai¡ª³õʼζÈΪ?iËù¶ÔÓ¦µÄÈÈ״ֵ̬£¬

ʽ£¨14£­5£©ÖеÄQk³ÆΪ¶Ì·µçÁ÷µÄÈÈЧӦ£¬ËüÓë¶Ì·µçÁ÷²úÉúµÄÈÈÁ¿³É±È£¬¼´£º

Qk??Ik2dt£¨A2.s£© £¨14-6£©

0t2.¶Ì·µçÁ÷µÄÈÈЧӦQk¼ÆËã

ÔÚ·¢µç»ú¹©µçµç·ÄÚ·¢Éú¶Ì·ʱ£¬ÓÉÓڶ̷µçÁ÷Ëæʱ¼ä±ä»¯µÄ¹æÂÉÄÑÒÔÓüòµ¥µÄÊýѧ¹«Ê½±íʾ£¬ËùÒÔ½øÐÐ

?t0Ik2dtµÄÊýѧ¼ÆËãÊǺÜÀ§Äѵģ¬

2¹Ê¹¤³Ì¼ÆËãÖвÉÓõÈֵʱ¼ä·¨¡£µÈֵʱ¼ä·¨ÊǸù¾Ý¶Ì·µçÁ÷IkËæʱ¼ä±ä»¯¹æÂÉ»æÖƳöIk?f?t?¹ØϵÇúÏߣ¬Èçͼ14£­4Ëùʾ¡£µ±¶Ì·µçÁ÷³ÖÐøʱ¼äΪtsʱ£¬Í¼ÖÐÇú±ßÌÝÐÎABC£­DOEAµÄÃæ»ýÔòÓë

?t0Ik2dtËù±íʾÈÈÁ¿µÄ´ó

ͼ14£­4 IkС³ÉÕý±È¡£Êʵ±Ñ¡ÓÃ×ø±ê£¬ÉÏÊöÇú±ßÌÝÐεÄÃæ»ýÔò´ú±í

¶Ì·µçÁ÷IkÔÚʱ¼ä0¡«tÄÚËù²úÉúµÄÈÈÁ¿¡£

?f?t?ÇúÏß

¼Ù¶¨ÎÈ̬¶Ì·µçÁ÷I?ͨ¹ýµ¼ÌåÔÚʱ¼ätkÄÚËù²úÉúµÄÈÈÁ¿Óëʵ¼Ê¶Ì·µçÁ÷Iͨ¹ýµ¼ÌåÔÚʱ¼ätÄÚËù²úÉúµÄÈÈÁ¿ÏàµÈ£¬Ôò³Æʱ¼ätkΪ¶Ì·µçÁ÷·¢ÈȵĵÈֵʱ¼ä£»Èç¹ûÓÃͼÐαíʾ£¬ÔÚͼ14£­4ÖÐÇú±ßÌÝÐÎABCDOEAµÄÃæ»ýÓ¦Óë¾ØÐÎEF£­GOµÄÃæ»ýÏàµÈ¡£ Ϊ´Ë£¬Ê½£¨14£­5£©¿É±íʾΪ£º

Qk?I?tk?S»ò Ad?22?Ad?Ai?£¨A2.s£© £¨14£­7£©

124

It?A £¨14£­8£© i£¨J/¦¸.m£©2?kS´Ó¶Ì·µçÁ÷¼ÆËãµÄ·ÖÎöÖÐÖªµÀ£¬¶Ì·µçÁ÷IkÊÇÓɶÌ·µçÁ÷ÖÜÆÚ·ÖÁ¿IpºÍ¶Ì·µçÁ÷·Ç

298

ÖÜÆÚ·ÖÁ¿IapÁ½¸ö·ÖÁ¿Ëù×é³É¡£ÓÉÓڶ̷µçÁ÷ÖÜÆÚ·ÖÁ¿Óë¶Ì·µçÁ÷·ÇÖÜÆÚ·ÖÁ¿±ä»¯µÄ¹æÂÉ

²»Ïàͬ£¬ËùÒÔ½«ËüÃǸ÷×Ô¶ÔÓ¦µÄµÈֵʱ¼ä·Ö±ð¼ÆËã½ÏΪ·½±ã¡£Òò´Ë£¬µÈֵʱ¼ä¿É·ÖÁ½²¿·Ö£¬¼´£º

tk?tp?tap £¨s£© £¨14£­9£©

ʽÖУºtk¡ª¶Ì·µçÁ÷·¢ÈȵĵÈֵʱ¼ä£¬£¨s£©£» tp¡ª¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿·¢ÈȵĵÈֵʱ¼ä£¬£¨s£©£» tap¡ª¶Ì·µçÁ÷·ÇÖÜÆÚ·ÖÁ¿·¢ÈȵĵÈֵʱ¼ä£¬£¨s£©¡£ ÕâÑù£¬Ê½£¨14£­5£©¿É¸ÄдΪ£º

222 Qk?I?tk?I?tp?I?tap?Qp?Qap£¨A2.s£© £¨14£­10£©

ʽÖУº Qp¡ª¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿µÄÈÈЧӦ£¬£¨A2.s£©£» Qap¡ª¶Ì·µçÁ÷·ÇÖÜÆÚ·ÖÁ¿µÄÈÈЧӦ£¬£¨A2.s£©¡£ £¨1£©¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿·¢ÈȵÈֵʱ¼ätkµÄ¼ÆËã¡£

ÓÉÓڶ̷µçÁ÷ÖÜÆÚ·ÖÁ¿·¢ÈȵÈֵʱ¼ätp³ýÓë¶Ì·µçÁ÷³ÖÐøʱ¼ätÓйØÖ®Í⣬»¹Óë¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿·ùÖµµÄ±ä»¯¹æÂÉÓйء£

¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿·ùÖµ±ä»¯

tp (s) ͼ14£­5 ¾ßÓÐ×Ô¶¯µçѹµ÷ÕûʱÖÜÆÚ·ÖÁ¿µÈЧʱ¼äÇúÏß

µÄ¹æÂÉ¿ÉÒÔÓÃ????I??±íʾ£¬¼´I????µÈÓÚ´ÎÔÝ̬µçÁ÷I??ÓëÎÈ̬¶Ì

·µçÁ÷I?µÄ±ÈÖµ¡£

ΪÁ˼ÆËãÉϵķ½±ã£¬½«¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿µÄ·¢ÈȵÈֵʱ¼ätkÓë¶Ì·³ÖÐøʱ¼ätºÍ???µÄ¹Øϵ»æÖƳÉtp?f?t¡¢???? ÇúÏߣ¬ÆäÇúÏßÈçͼ14£­5Ëùʾ¡£

ͼ14£­5ÖÐÇúÏß±íʾ³ö

t??1?5?sµÄʱ¼äÄÚËùÐètpÖ®Öµ

µÄÇúÏß¡£µ±·¢µç»ú¾ßÓÐ×Ô¶¯µ÷½ÚÀø´Å×°Öã¬Èô¶Ì·ʱ¼ät£¾5sʱ£¬µç·Ôò½øÈëÎȶ¨×´Ì¬£¬Õâʱʵ¼Ê¶Ì·

µçÁ÷µÄ³ÖÐøʱ¼äÓ¦¸ÃÓëÆä¶ÔÓ¦µÄ·¢ÈȵÈֵʱ¼äÏàµÈ¡£Òò´Ë£¬µ±t£¼5sʱtpÓÉÇúÏßÈ·¶¨¡£µ±

299

t£¾5sʱtp·ÖÁ½²¿·Ö¼ÆËã¡£0¡«5sÄÚ¸ù¾ÝÇúÏßÈ·¶¨ÆäµÈÖµ·¢ÈÈʱ¼ätp5£»5sÖ®ºóµÄµÈÖµ·¢ÈÈʱ¼äµÈÓÚ?t?5?¡£Õâʱȫ²¿¼ÙÏëʱ¼ätk?tp5?(t?5)¡£´ËÍ⣬Èç¹û¶Ì·µçÁ÷³ÖÐøʱ¼äÔÚͼ14£­5ÖеÄÇúÏßÖÐδ±ê³ö£¬¿É²ÉÓòåÈë·¨ÓÉÏà½üµÄÁ½ÌõÇúÏß¾ö¶¨¡£

ÌرðÐèҪǿµ÷Ö¸³öµÄÊÇ£¬ÀûÓÃͼ14£­5ËùʾÇúÏßÈ·¶¨ÖÜÆÚ·ÖÁ¿µÈֵʱ¼ä£¬ÔÚ??1µÄÇé¿ö£¬Ö»ÊÊÓÃÓÚÓÉ·¢µç»ú¹©µçµç·ÄڵķÇÔ¶¾àÀë¶Ì·µã£¬¼´I???I??ItµÄÇé¿ö¡£¶ø¶ÔÎÞÇî´óµçÁ¦ÏµÍ³¹©µçµç·ÄڵĶÌ·ºÍÓÉ·¢µç»ú¹©µçµç·ÄڵĽü¾àÀë¶Ì·µã¶øÑÔ£¬Òò¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿µÄ·ùֵʼÖÕά³Ö²»±ä£¬¸ù¾ÝtpµÄ¶¨ÒåÖªµÀ£¬¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿µÄ·¢ÈȵÈֵʱ¼äÓ¦Óë¶Ì·µçÁ÷³ÖÐøʱ¼äÓ¦Ïàͬ£¬¼´tp?t£¬¹Ê²»ÐèҪʹÓÃͼ14£­5È·¶¨¡£

£¨2£©·ÇÖÜÆڶ̷µçÁ÷·¢ÈȵÈֵʱ¼ätapµÄ¼ÆËã¡£

?I???tap?0.05????0.05????2 £¨14-11£©

?I??µ±¶Ì·µçÁ÷³ÖÐøʱ¼ät´óÓÚ1sʱ£¬¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿·¢ÈȵÈֵʱ¼ätp½«Ô¶´óÓڶ̷µçÁ÷·ÇÖÜÆÚ·ÖÁ¿·¢ÈȵÈֵʱ¼ätap£¬Õâʱ¶Ì·µçÁ÷·ÇÖÜÆÚ·ÖÁ¿Ëù²úÉúµÄÈÈÁ¿¿ÉÂÔÈ¥²»¼Æ¡£½üËƵØÈ¡tk?tp£»µ±¶Ì·µçÁ÷³ÖÐøʱ¼ätСÓÚ1sʱ£¬¶Ì·µçÁ÷·ÇÖÜÆÚ·ÖÁ¿Ëù²úÉúµÄÈÈÁ¿Ôò²»ÄܺöÂÔ£¬¶Ì·µçÁ÷·¢ÈȵÈֵʱ¼äÓ¦¸ù¾Ýʽ£¨14£­9£©½øÐмÆËã¡£

ʵ¼Ê¹¤³Ì¼ÆËãÖУ¬¶ÔÓÚ´óÈÝÁ¿µÄ·¢µç»ú¹©µçϵͳ£¬Æä¶Ì·µçÁ÷µÄÈÈЧӦQkͨ³£²ÉÓýüËÆÊýÖµ»ý·Ö·¨¼ÆËã¡£

¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿µÄÈÈЧӦQp¿ÉÓÃÏÂÁй«Ê½½øÐмÆË㣺

2Qp?tdI??2?10It2?It2 £¨kA2.s£© £¨14-12£© d/2d12??ʽÖУºI??¡ª´ÎÔÝ̬¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿µÄÓÐЧֵ£¬£¨kA£©£» Itd/2¡ªtd/2ʱ¿Ì¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿µÄÓÐЧֵ£¬£¨kA£©£» Itd¡ªtdʱ¿Ì¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿µÄÓÐЧֵ£¬£¨kA£©£»

£¬td=tpr+tab£¬ÆäÖУ¬tprÊǼ̵籣»¤¶¯×÷ʱ¼ä£¬tabtd¡ª¶Ì·ÈÈЧӦµÄ¼ÆËãʱ¼ä£¨s£©

ÊǶÏ·Æ÷·Öբʱ¼ä¡£

²ÉÓÃÎÞÑÓʱ±£»¤Ê±£¬td¿ÉÈ¡±í±í14£­2 УÑéÈÈЧӦµÄ¼ÆËãʱ¼ä£¨s£© 14£­2ÖеÄÊý¾Ý¡£¸ÃÊý¾ÝΪ¼Ìµç±£¶Ï·Æ÷¿ª¶ÏËÙ¶È ¶Ï·Æ÷µÄÈ«·Öբʱ¼ätab ¼ÆËãʱ¼ätd »¤×°ÖõÄÆ𶯻ú¹¹ºÍÖ´Ðлú¹¹µÄ¸ßËٶϷÆ÷ £¼0.08 0.1 ¶¯×÷ʱ¼ä£¬¶Ï·Æ÷µÄ¹ÌÓзÖբʱ¼äÖÐËٶϷÆ÷ 0.08¡«0.12 0.15 ÒÔ¼°¶Ï·Æ÷´¥Í·µç»¡³ÖÐøʱ¼äµÄµÍËٶϷÆ÷ £¾0.12 0.2 ×ܺ͡£µ±¼Ìµç±£»¤×°ÖÃÓÐÑÓʱÕû¶¨

ʱ£¬ÔòÓ¦°´±íÖÐÊý¾Ý¼ÓÉÏÏàÓ¦µÄÕû¶¨Ê±¼ä£¬Ò»°ãÓ¦°´ºó±¸±£»¤µÄÕû¶¨Ê±¼äÀ´¿¼ÂÇ¡£

300

¶Ì·µçÁ÷·ÇÖÜÆÚ·ÖÁ¿µÄÈÈЧӦ

±í14-3 ·ÇÖÜÆÚ·ÖÁ¿µÈЧʱ¼äT

¶Ì·µã ·¢µç»ú³ö¿Ú¼°Ä¸Ïß ·¢µç»úÉý¸ßµçѹĸÏß¼°³öÏß ·¢µç»úµçѹµç¿¹Æ÷ºó ±äµçÕ¾¸÷¼¶µçѹĸÏß T£¨s£© td¡Ü0.1s td£¾0.1s 0.15 0.08 0.05 0.2 0.1 Qap¿ÉÓÃÏÂÁй«Ê½½øÐмÆË㣺

Qap?TI??2£¨kA2.s£© £¨14-13£©

ʽÖУºT¡ª·ÇÖÜÆÚ·ÖÁ¿µÈЧʱ¼ä£¬Óë¶Ì·µã¼°¶Ì·ʱ¼ätdÓйأ¬¿ÉÓɱí14-3²éµÃ¡£

Àý14£­1 ij10kVÅäµç×°ÖÃÖУ¬

ÈýÏàĸÏßˮƽÅÅÁУ¬ÈýÏàĸÏßͨ¹ýµÄ×î´ó¶Ì·µçÁ÷ÈçÏ£º´ÎÔÝ̬¶Ì·µçÁ÷I??(3)?26kA£»

(3)ÎÈ̬¶Ì·µçÁ÷I??19.5kA¡£¶Ì·µçÁ÷³ÖÐøʱ¼ät?0.9s¡£Ä¸ÏßÏà¼ä¾àÀëa=25cm£¬Ä¸Ïß

³¤¶ÈL=100cm¡£¶Ì·ǰĸÏßζÈΪ70¡æ¡£ÈôÑ¡ÓþØÐÎÂÁÖÊĸÏßΪ30mm¡Á4mmʱ£¬ÊÔÇó£º

£¨1£©Ä¸Ï߶Ì·ʱËù³ÐÊܵÄ×î´óµç¶¯Á¦£»£¨2£©Ä¸Ï߶Ì·ºóµÄ×î¸ßζÈ?kÖ®Öµ¡£ ½â: ¸ù¾ÝÌâÒâÒÑÖªI???26kA£¬ËùÒÔ

ik?2KkI???2?1.8?26?66.19(kA)

L?7110?1.73?66190210?7?3031(N) a0.25(3)£¨1£©Ä¸Ï߶Ì·ʱËùÊܵÄ×î´óµç¶¯Á¦¡£

(3)2F(3)?1.73ik£¨2£©¶Ì·ʱµÄ×î¸ßζȼÆËã¡£

I??(3)26????(3)??1.33

19.5I?ÒòΪt?0.9s£¬ËùÒÔ¸ù¾Ýͼ14£­5ÇúÏß²éµÃtp?1.0s¡£

tap?0.052?????0.05?1.332?0.09(s)

¶Ì·µçÁ÷·¢ÈȵĵÈֵʱ¼ä

tk?tp?tap?1.0?0.09?1.09(s)

164ÒòΪ?i?70¡æ£¬²éÇúÏß14£­3µÃAi?0.6?10[J/(??m)]

¸ù¾Ýʽ£¨14£­8£©¼ÆËã

12)I?tk?AiS2

1?()2?195002?1.09?0.6?1016?3.48?1016[J(??m)4]?630?4?10Ak?(²éÇúÏßͼ14£­3µÃÖª?k£¾400¡æ¡£

301

µÚ¶þ½Ú µçÆøÉ豸ѡÔñµÄÒ»°ãÒªÇó

Ò»¡¢Ò»°ãÔ­Ôò

£¨1£©Ó¦Âú×ãÕý³£ÔËÐС¢¼ìÐÞ¡¢¶Ì·ºÍ¹ýµçѹÇé¿öϵÄÒªÇ󲢿¼ÂÇÔ¶¾°·¢Õ¹£» £¨2£©Ó¦°´µ±µØ»·¾³Ìõ¼þУºË£» £¨3£©Ó¦Á¦Çó¼¼ÊõÏȽøºÍ¾­¼ÃºÏÀí£»

£¨4£©ÓëÕû¸ö¹¤³ÌµÄ½¨Éè±ê׼ӦЭµ÷Ò»Ö£» £¨5£©Í¬ÀàÉ豸Ӧ¾¡Á¿¼õÉÙÆ·ÖÖ£»

£¨6£©Ñ¡ÓõÄвúÆ·¾ùÓ¦¾ßÓпɿ¿µÄÊÔÑéÊý¾Ý£¬²¢¾­Õýʽ¼ø¶¨ºÏ¸ñ¡£ÔÚÌØÊâÇé¿öÏ£¬Ñ¡ÓÃδ¾­Õýʽ¼ø¶¨µÄвúƷʱ£¬Ó¦¾­Éϼ¶²¿ÃÅÅú×¼¡£

¶þ¡¢¼¼ÊõÌõ¼þ

Ñ¡ÔñµÄ¸ßѹµçÆøÉ豸£¬Ó¦ÄÜÔÚ³¤ÆÚ¹¤×÷Ìõ¼þϺͷ¢Éú¹ýµçѹ¡¢¹ýµçÁ÷µÄÇé¿öϱ£³ÖÕý³£ÔËÐС£¸÷ÖÖ¸ßѹµçÆ÷µÄÒ»°ã¼¼ÊõÌõ¼þÈç±í14£­4Ëùʾ¡£

±í14£­4 Ñ¡ÔñµçÆ÷µÄÒ»°ã¼¼ÊõÌõ¼þ ÐòºÅ µçÆ÷Ãû³Æ 1 ¸ßѹ¶Ï·Æ÷ 2 ¸ôÀ뿪¹Ø 3 ¸ººÉ¿ª¹Ø 4 ÈÛ¶ÏÆ÷ 5 µçѹ»¥¸ÐÆ÷ 6 µçÁ÷»¥¸ÐÆ÷ 7 ÏÞÁ÷µç¿¹Æ÷ 8 Ïû»¡ÏßȦ 9 ±ÜÀ×Æ÷ 10 ´©Ç½Ì×¹Ü 11 ¾øÔµ×Ó ¶î¶¨µçѹ¶î¶¨µçÁ÷¶î¶¨ÈÝÁ¿£¨kV£© ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì £¨A£© ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì £¨kVA£© ¡Ì »úеºÉÔØ£¨N£© ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¶î¶¨¿ª¶ÏµçÁ÷£¨kA£© ¡Ì ¡Ì ¶Ì·Îȶ¨ ÈÈÎȶ¨ ¶¯Îȶ¨ ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¡Ì ¢Ù×¢£ºÐüʽ¾øÔµ×Ó²»Ð£Ñé

1.³¤ÆÚ¹¤×÷Ìõ¼þ

£¨1£©µçѹ¡£Ñ¡ÓõĵçÆ÷ÔÊÐí×î¸ß¹¤×÷µçѹUmax²»µÃµÍÓڸûØ·µçÍøµÄ×î¸ßÔËÐеçѹUNSmax£¬¼´£º Umax¡ÝUNSmax £¨14-14£©

ÈýÏཻÁ÷3kV¼°ÒÔÉϵçÆøÉ豸µÄ×î¸ßµçѹ¼û±í14£­5¡£

±í14£­5 µçÆøÉ豸µÄ¶î¶¨µçѹÓë×î¸ßµçѹ£¨kV£© É豸¶î¶¨µçѹ É豸×î¸ßµçѹ

3 3.5 6 6.9 10 11.5 35 40.5 63 69 110 126 220 252 330 363 500 550 302

£¨2£©µçÁ÷¡£Ñ¡ÓõĵçÆ÷¶î¶¨µçÁ÷IN²»µÃµÍÓÚËùÔڻطÔÚ¸÷ÖÖ¿ÉÄÜÔËÐз½Ê½ÏµÄ×î´ó³ÖÐø¹¤×÷µçÁ÷Imax£¬¼´£º IN¡ÝImax £¨14-15£©

ÓÉÓÚ±äѹÆ÷¶Ìʱ¹ýÔØÄÜÁ¦ºÜ´ó£¬Ë«»Ø·³öÏߵŤ×÷µçÁ÷±ä»¯·ù¶ÈÒ²½Ï´ó£¬¹ÊÆä¼ÆË㹤×÷µçÁ÷ʱӦ¸ù¾Ýʵ¼ÊÐèҪȷ¶¨¡£

¸ßѹµçÆ÷ûÓÐÃ÷È·µÄ¹ýÔØÄÜÁ¦£¬ËùÒÔÔÚÑ¡ÔñÆä¶î¶¨µçÁ÷ʱ£¬Ó¦Âú×ã¸÷ÖÖ¿ÉÄÜÔËÐз½Ê½Ï»Ø·³ÖÐø¹¤×÷µçÁ÷µÄÒªÇó¡£

£¨3£©»úеºÉÔØ¡£ËùÑ¡µçÆ÷¶Ë×ÓµÄÔÊÐíºÉÔØ£¬Ó¦´óÓÚµçÆ÷ÒýÏßÔÚÕý³£ÔËÐкͶÌ·ʱµÄ×î´ó×÷ÓÃÁ¦¡£µçÆ÷»úеºÉÔصݲȫϵÊý£¬ÓÉÖÆÔ첿ÃÅÔÚ²úÆ·ÖÆÔìÖÐͳһ¿¼ÂÇ¡£

1.¶Ì·Îȶ¨Ìõ¼þ

£¨1£©Ð£ÑéµÄÒ»°ãÔ­Ôò¡£

1£©µçÆøÉ豸ÔÚÑ¡¶¨ºóÓ¦°´¿ÉÄÜͨ¹ýµÄ×î´ó¶Ì·µçÁ÷½øÐж¯¡¢ÈÈÎȶ¨Ð£Ñ顣УÑéµÄ¶Ì·µçÁ÷Ò»°ãÈ¡ÈýÏà¶Ì·ʱ¶Ì·µçÁ÷£¬Èô·¢µç»ú³ö¿ÚµÄÁ½Ïà¶Ì·£¬»òÖÐÐÔµãÖ±½Ó½ÓµØϵͳ¼°×Ôñî±äѹÆ÷µÈ»Ø·Öеĵ¥Ïà¡¢Á½Ïà½ÓµØ¶Ì·½ÏÈýÏà¶Ì·ÑÏÖØʱ£¬ÔòÓ¦°´ÑÏÖØÇé¿öУÑé¡£

2£©ÓÃÈÛ¶ÏÆ÷±£»¤µÄµçÆøÉ豸¿É²»ÑéËãÈÈÎȶ¨¡£µ±ÈÛ¶ÏÆ÷ÓÐÏÞÁ÷×÷ÓÃʱ£¬¿É²»ÑéË㶯Îȶ¨¡£ÓÃÈÛ¶ÏÆ÷±£»¤µÄµçѹ»¥¸ÐÆ÷»Ø·£¬¿É²»ÑéË㶯¡¢ÈÈÎȶ¨¡£

£¨2£©¶Ì·µÄÈÈÎȶ¨Ìõ¼þ¡£

It2t£¾Qk £¨14-16£©

ʽÖУºQk£­ÔÚ¼ÆËãʱ¼ätdÃëÄÚ£¬¶Ì·µçÁ÷µÄÈÈЧӦ£¨kA2¡¤s£©£»

It£­tÃëÄÚµçÆøÉ豸ÔÊÐíͨ¹ýµÄÈÈÎȶ¨µçÁ÷ÓÐЧֵ£¨kA£©£» t£­µçÆøÉ豸ÔÊÐíͨ¹ýµÄÈÈÎȶ¨µçÁ÷ʱ¼ä£¨s£©¡£ £¨3£©¶Ì·µÄ¶¯Îȶ¨Ìõ¼þ¡£

ies?ik?? £¨14-17£©

Ies?Ik?ʽÖУºik¡ª¶Ì·³å»÷µçÁ÷·åÖµ£¨kA£©£»

Ik¡ª¶Ì·ȫµçÁ÷ÓÐЧֵ£¨kA£©£»

ies¡ªµçÆøÉ豸ÔÊÐíµÄ¼«ÏÞͨ¹ýµçÁ÷·åÖµ£¨kA£©£» Ies¡ªµçÆøÉ豸ÔÊÐíµÄ¼«ÏÞͨ¹ýµçÁ÷ÓÐЧֵ£¨kA£©¡£ 3.»·¾³Ìõ¼þ £¨1£©Î¶ȡ£

ÆÕͨ¸ßѹµçÆøÉ豸һ°ã¿ÉÔÚ»·¾³×îµÍζÈΪ£­30¡æʱÕý³£ÔËÐС£Ôڸߺ®µØÇø£¬Ó¦Ñ¡ÔñÄÜÊÊÓ¦»·¾³×îµÍζÈΪ£­40¡æµÄ¸ßº®µçÆøÉ豸¡£

ÔÚÄê×î¸ßζȳ¬¹ý40¡æ£¬¶ø³¤ÆÚ´¦ÓÚµÍʪ¶ÈµÄ¸ÉÈȵØÇø£¬Ó¦Ñ¡ÓÃÐͺźó´ø¡°TA'¡¯×ÖÑùµÄ¸ÉÈÈ´øÐͲúÆ·¡£

Ñ¡ÔñµçÆøÉ豸ÓõĻ·¾³Î¶ÈÓ¦°´±í14£­6Ñ¡È¡¡£ £¨2£©ÈÕÕÕ¡£

ÎÝÍâ¸ßѹµçÆøÉ豸ÔÚÈÕÕÕÓ°ÏìϽ«²úÉú¸½¼ÓÎÂÉý¡£¿É°´µçÆøÉ豸¶î¶¨µçÁ÷µÄ80£¥Ñ¡ÔñÉ豸¡£ÔÚ½øÐÐÊÔÑé»ò¼ÆËãʱ£¬ÈÕÕÕÇ¿¶ÈÈ¡0.1W£¯cm2¡£

303

±í14£­6 Ñ¡Ôñµ¼ÌåºÍµçÆ÷µÄ»·¾³Î¶È

Àà±ð °²×°³¡Ëù ÎÝÍâ Âãµ¼Ìå ÎÝÄÚ ÎÝÍ⠵翹Æ÷ÊÒ µçÆ÷ ÎÝÄÚÆäËû´¦ »·¾³Î¶ȡæ ×î¸ß Äê×î¸ßÎÂ¶È ¸Ã´¦Í¨·çÉè¼Æζȣ¬µ±ÎÞ×ÊÁÏʱ£¬¿ÉÈ¡×îÈÈÔÂƽ¾ù×î¸ßζȼÓ5¡æ Äê×î¸ßÎÂ¶È ¸Ã´¦Í¨·çÉè¼Æ×î¸ßÅÅ·çÎÂ¶È ¸Ã´¦Í¨·çÉè¼Æζȣ¬µ±ÎÞ×ÊÁÏʱ£¬¿ÉÈ¡×îÈÈÔÂƽ¾ù×î¸ßζȼÓ5¡æ ×îµÍ Äê×îµÍÎÂ¶È ×¢£º¢ÙÄê×î¸ß£¨»ò×îµÍ£©Î¶ÈΪһÄêÖÐËù²âµÃµÄ×î¸ß£¨»ò×îµÍ£©Î¶ȵĶàÄêƽ¾ùÖµ¡£

¢Ú×îÈÈÔÂƽ¾ù×î¸ßζÈΪ×îÈÈÔÂÿÈÕ×î¸ßζȵÄÔÂƽ¾ùÖµ£¬È¡¶àÄêƽ¾ùÖµ¡£

£¨3£©·çËÙ¡£

Ò»°ã¸ßѹµçÆøÉ豸¿ÉÔÚ·çËÙ²»´óÓÚ35m£¯sµÄ»·¾³ÏÂʹÓá£Ñ¡ÔñµçÆøÉ豸ʱËùÓõÄ×î´ó·çËÙ£¬¿ÉÈ¡ÀëµØ10m¸ß¡¢30ÄêÒ»ÓöµÄ10minƽ¾ù×î´ó·çËÙ¡£×î´óÉè¼Æ·çËÙ³¬¹ý35m£¯sµÄµØÇø£¬¿ÉÔÚÎÝÍâÅäµç×°ÖõIJ¼ÖÃÖвÉÈ¡´ëÊ©£¬Èç½µµÍ°²×°¸ß¶È¡¢¼ÓÇ¿»ù´¡¹Ì¶¨µÈ¡£

¿¼Âǵ½500kVµçÆøÉ豸Ìå»ý±È½Ï´ó¡¢¶øÇÒÖØÒª£¬Ò˲ÉÓÃÀëµØ10m¸ß£¬50ÄêÒ»Óö10minƽ¾ù×î´ó·çËÙ¡£

£¨4£©±ùÑ©¡£

ÔÚ»ýÑ©ºÍ¸²±ùÑÏÖصĵØÇø£¬Ó¦²ÉÈ¡´ëÊ©·ÀÖ¹±ù´®ÒýÆð´É¼þ¾øÔµ¶ÔµØÉÁÂç¡£

¸ôÀ뿪¹ØµÄÆƱùºñ¶ÈÒ»°ãΪ10mm¡£ÔÚÖرùÇø£¨ÈçÔƹó¸ßÔ­£¬É½¶«ºÓÄϲ¿·ÖµØÇø£¬ÏæÖС¢ÔÁ±±ÖرùµØ´øÒÔ¼°¶«±±²¿·ÖµØÇø£©£¬ËùÑ¡¸ôÀ뿪¹ØµÄÆƱùºñ¶È£¬Ó¦´óÓÚ°²×°³¡ËùµÄ×î´ó¸²±ùºñ¶È¡£

£¨5£©Êª¶È¡£

Ñ¡ÔñµçÆøÉ豸µÄʪ¶È£¬Ó¦²ÉÓõ±µØÏà¶Ôʪ¶È×î¸ßÔ·ݵÄƽ¾ùÏà¶Ôʪ¶È¡£¶Ôʪ¶È½Ï¸ßµÄ³¡Ëù£¨Èç°¶±ßË®±Ã·¿µÈ£©£¬Ó¦²ÉÓøô¦Êµ¼ÊÏà¶Ôʪ¶È¡£µ±ÎÞ×ÊÁÏʱ£¬¿ÉÈ¡±Èµ±µØʪ¶È×î¸ßÔ·Ýƽ¾ùÖµ¸ß5£¥µÄÏà¶Ôʪ¶È¡£

Ò»°ã¸ßѹµçÆøÉ豸¿ÉʹÓÃÔÚ+20¡æ£¬Ïà¶Ôʪ¶ÈΪ90£¥µÄ»·¾³ÖУ¨µçÁ÷»¥¸ÐÆ÷Ϊ85£¥£©¡£ÔÚ³¤½­ÒÔÄϺÍÑغ£µØÇø£¬µ±Ïà¶Ôʪ¶È³¬¹ýÒ»°ã²úƷʹÓñê׼ʱ£¬Ó¦Ñ¡ÓÃʪÈÈ´øÐ͸ßѹµçÆøÉ豸¡£ÕâÀà²úÆ·µÄÐͺźóÃæÒ»°ã¶¼±êÓС°TH¡±×ÖÑù¡£

ʪÈÈ´øÐ͸ßѹµçÆøÉ豸µÄʹÓû·¾³Ìõ¼þ¼û±í14£­7¡£

±í14£­7 ʪÈÈ´øÐ͸ßѹµçÆøÉ豸µÄʹÓû·¾³Ìõ¼þ

»·¾³ÒòËØ ¿ÕÆøÎÂ¶È ×î¸ß£¨¡æ£© ×îµÍ£¨¡æ£© ¶î¶¨Öµ 40 0 95£¨25¡æʱ£© 80 304

¿ÕÆø×î´óÏà¶Ôʪ¶È£¨%£© ºÚÉ«ÎïÌå±íÃæ×î¸ßζȣ¨¡æ£©

Ì«Ñô·øÉä×î´óÇ¿¶È£¨J/cm2¡¤min£© Äý¶ º¬ÑοÕÆø ù¾ú ×î´ó½µÓêÇ¿¶È£¨min/10min£© º£°Î¸ß¶È£¨m£© 5.86 ÓÐ ÓÐ ÓÐ 50 ¡Ü1000 ×¢£ºÊªÈÈ´øÐ͸ßѹµçÆøÉ豸·ÖΪÎÝÄÚÓëÎÝÍâÁ½ÖÖÐÍʽ£¬ÎÝÍâʹÓõIJúÆ·Ó¦¿¼ÂÇÌ«Ñô·øÉä¡¢Óꡢ¶µÄÒòËØ¡£ÔÚÑغ£µØÇø£¬½öÎÝÍâ´æÔÚÑÎÎí£¬²Å×÷ΪÌØÊâÎۻ࿼ÂÇ¡£

£¨6£©Îۻࡣ

·¢µç³§¡¢±äµçÕ¾ÎÛ»à·Ö¼¶±ê×¼¼û±í14£­8¡£

±í14£­8 ·¢µç³§¡¢±äµçÕ¾ÎÛ»à·Ö¼¶±ê×¼ ÎÛ»à µÈ¼¶ ÎÛ»àÌõ¼þ ÎÛʪÌØÕ÷ ´óÆøÎÞÃ÷ÏÔÎÛȾµØÇø»ò´óÆøÇá¶È1 ÎÛȾµØÇø£»ÔÚÎÛÉÁ¼¾½ÚÖиÉÔïÉÙÎí£¨º¬Ã«Ã«Ó꣩ÇÒÓêÁ¿½Ï¶àʱ ´óÆøÖжÈÎÛȾµØÇø£»Ñغ£µØ´ø¼°ÑÎ2 3 ³¡¸½½ü£»ÔÚÎÛÉÁ¼¾½ÚÖжàÎí£¨º¬Ã«Ã«Ó꣩ÇÒÓêÁ¿½ÏÉÙ ´óÆøÑÏÖØÎÛȾµØÇø£»ÑÏÖØÑÎÎíµØÇø £¾0.25 3.5 4.0 0.03¡«0.25 2.5 3.0 ÑÎÈÜ£¨mg/cm2£© 0¡«0.03£¨Ç¿µç½âÖÊ£©0¡«0.06£¨Èôµç½âÖÊ£© 1.7 2.0 й¶±È¾à£¨cm/kV£© ÖÐÐÔµãÖ±½Ó ½ÓµØϵͳ ÖÐÐÔµã·ÇÖ±½Ó ½ÓµØϵͳ ÔÚ¹¤³ÌÉè¼ÆÖУ¬Ó¦¸ù¾ÝÎÛ»àÇé¿öÑ¡ÓÃÏÂÁдëÊ©£º

1£©Ôö´óµç´ÉÍâ¾øÔµµÄÓÐЧй©±È¾à»òÑ¡ÓÃÓÐÀûÓÚ·ÀÎ۵ĵç´ÉÔìÐÍ£¬Èç²ÉÓð뵼Ìå¡¢´óСɡ¡¢´óÇã½Ç¡¢ÖÓÕÖʽµÈÌØÖƾøÔµ×Ó¡£

2£©²ÉÓÃÎÝÄÚÅäµç×°Öá£2¼¶¼°ÒÔÉÏÎÛ»àÇøµÄ6¡«110kVÅäµç×°ÖÃÒ˲ÉÓÃÎÝÄÚÐÍ¡£µ±¼¼Êõ¾­¼ÃºÏÀíʱÎÛ»àÇø220kVÅäµç×°ÖÃÒ²¿É²ÉÓÃÎÝÄÚÐÍ¡£

£¨7£©º£°Î¡£

µçÆøÉ豸µÄÒ»°ãʹÓÃÌõ¼þΪº£°Î¸ß¶È²»³¬¹ý1000m£¬º£°Î³¬¹ý1000mµÄµØÇø³ÆΪ¸ßÔ­µØÇø¡£

¶Ô°²×°ÔÚº£°Î¸ß¶È³¬¹ý1000mµØÇøµÄµçÆøÉ豸Íâ¾øÔµÒ»°ãÓ¦Óè¼ÓÇ¿£¬¿ÉÑ¡ÓøßÔ­ÐͲúÆ·»òÑ¡ÓÃÍâ¾øÔµÌá¸ßÒ»¼¶µÄ²úÆ·¡£ÔÚº£°Î3000mÒÔϵØÇø£¬220kV¼°ÒÔÏÂÅäµç×°ÖÃÒ²¿ÉÑ¡ÓÃÐÔÄÜÓÅÁ¼µÄ±ÜÀ×Æ÷À´±£»¤Ò»°ãµçÆøÉ豸µÄÍâ¾øÔµ¡£

ÓÉÓÚÏÖÓÐ110kV¼°ÒÔÏ´ó¶àÊýµçÆøÉ豸µÄÍâ¾øÔµÓÐÒ»¶¨Ô£¶È£¬¹Ê¿ÉʹÓÃÔÚº£°Î2000mÒÔϵĵØÇø¡£

±í14£­9 ¼ÆËãµçÆøÉ豸³ÐÊܵĵØÕðÁ¦Ê±ÓõļÓËÙ¶È

£¨8£©µØÕð¡£

µØÕðÁҶȣ¨¶È£© 8 9 Ñ¡ÔñµçÆøÉ豸ʱ£¬Ó¦¸ù¾Ýµ±µØµÄµØ

µØÃæˮƽ¼ÓËÙ¶È 0.2g 0.4g ÕðÁÒ¶ÈÑ¡ÓÃÄܹ»Âú×ãµØÕðÒªÇóµÄ²úÆ·¡£

µØÃæ´¹Ö±¼ÓËÙ¶È

0.1g 0.2g 305 Ò»°ãÉ豸²úÆ·¿ÉÒÔÄÍÊܵØÕðÁÒ¶ÈΪ8¶ÈµÄµØÕðÁ¦¡£¸ù¾ÝÓйعæ³ÌµÄ¹æ¶¨£¬µØÕð»ù±¾ÁÒ¶ÈΪ7¶È¼°ÒÔϵØÇøµÄµçÆøÉ豸¿É²»²ÉÈ¡·ÀÕð´ëÊ©¡£ÔÚ7¶ÈÒÔÉϵØÇø£¬µçÆøÉ豸ӦÄܳÐÊܵĵØÕðÁ¦£¬¿É°´±í14£­9ËùÁмÓËÙ¶ÈÖµºÍµçÆøÉ豸µÄÖÊÁ¿½øÐмÆË㣬²ÉÈ¡¿¹Õð´ëÊ©¡£

4.»·¾³±£»¤

Ñ¡ÓõçÆ÷ʱ»¹Ó¦×¢ÒâµçÆ÷¶ÔÖÜΧ»·¾³µÄÓ°Ïì¡£ £¨1£©µç´Å¸ÉÈÅ¡£

ƵÂÊ´óÓÚ10kHzµÄÎÞÏßµç¸ÉÈÅÖ÷ÒªÀ´×ÔµçÆ÷µÄµçÁ÷¡¢µçѹͻ±äºÍµçÔηŵ硣Òò´ËÒªÇóµçÆ÷¼°½ð¾ßÔÚ×î¸ß¹¤×÷ÏàµçѹÏ£¬ÇçÌìµÄÒ¹Íí²»Ó¦³öÏֿɼûµçÔΡ£110kV¼°ÒÔÉϵçÆ÷»§ÍâÇçÌìÎÞÏßµç¸ÉÈŵçѹ²»Ó¦´óÓÚ2500¦ÌV¡£¸ù¾ÝÔËÐо­ÑéºÍÏÖ³¡Êµ²â½á¹û£¬¶ÔÓÚ110kVÒÔϵĵçÆ÷Ò»°ã¿É²»Ð£ÑéÎÞÏßµç¸ÉÈŵçѹ¡£

£¨2£©ÔëÒô¡£

ΪÁ˼õÉÙÔëÒô¶Ô¹¤×÷³¡ËùºÍ¸½½ü¾ÓÃñÇøµÄÓ°ÏìËùÑ¡¸ßѹµçÆ÷ÔÚÔËÐÐÖлò²Ù×÷ʱ²úÉúµÄÔëÒô£¬ÒªÇóÔÚ¾àµçÆ÷2m´¦£¬Á¬ÐøÐÔÔëÒô²»Ó¦´óÓÚ85dB£»·ÇÁ¬ÐøÐÔÔëÒô£¬ÎÝÄÚ²»Ó¦´óÓÚ90dB£¬ÎÝÍâ²»Ó¦´óÓÚ110dB¡£

£¨3£©µç³¡Ç¿¶È¡£

Ñо¿±íÃ÷£¬ÔÚµçÆøÉ豸ÖÜΧ£¬ÌرðÊǼܿյ¼ÏßÏÂÃ棬µ±¾àµØÃæ1.5Ã×·¶Î§ÄÚ£¬µç³¡Ç¿¶ÈСÓÚ15kV/ÿÃ×ʱ£¬¶ÔÈ˺Ͷ¯ÎïÊÇ°²È«µÄ¡£·ñÔò¿ÉÄÜ»áÔì³ÉÒ»¶¨µÄÉ˺¦¡£

µÚÈý½Ú ¸ßѹµçÆ÷µÄÑ¡Ôñ

Ò»¡¢¸ßѹ¿ª¹ØµçÆ÷µÄÑ¡Ôñ

Ñ¡Ôñ¸ßѹ¶Ï·Æ÷¡¢¸ßѹ¸ôÀ뿪¹ØºÍ¸ßѹ¸ººÉ¿ª¹ØµÄ³¤ÆÚ¹¤×÷Ìõ¼þ»ù±¾Ïàͬ£¬Çø±ðÔÚÓÚËüÃǵĶÌ·УÑéµÄÄÚÈݲ»Í¬£¬Èç¸ôÀ뿪¹ØºÍ¸ººÉ¿ª¹Ø²»Ð£Ñé¶Ì·¿ª¶ÏµçÁ÷¡£

1.ÖÖÀàºÍÐÍʽµÄÑ¡Ôñ

¸ù¾ÝÓÃ;¡¢°²×°µØµã¡¢°²×°·½Ê½¡¢½á¹¹ÀàÐͺͼ۸ñÒòËصÈ×ÛºÏÌõ¼þ½øÐкÏÀíÑ¡Ôñ¡£ 2.¶î¶¨µçѹѡÔñ

¿ª¹ØµçÆ÷µÄ¶î¶¨µçѹӦµÈÓÚ»ò´óÓÚ°²×°µØµãµçÍøµÄ¶î¶¨µçѹ£¬¼´£º

UN¡ÝUNs £¨14-18£©

3.¶î¶¨µçÁ÷Ñ¡Ôñ

¿ª¹ØµçÆ÷µÄ¶î¶¨µçÁ÷Ó¦µÈÓÚ»ò´óÓÚͨ¹ý¶Ï·Æ÷µÄ³¤ÆÚ×î´ó¸ººÉµçÁ÷£¬¼´£º

IN¡ÝImax £¨14-19£©

4.¶Ï·Æ÷µÄ¿ª¶ÏµçÁ÷Ñ¡Ôñ

¶Ï·Æ÷µÄÔÊÐí¿ª¶ÏµçÁ÷INbrÓ¦´óÓÚ»òµÈÓڶϷÆ÷ʵ¼Ê¿ª¶Ïʱ¼äµÄÈýÏà¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿ÓÐЧֵIap£¬¼´£º

INbr¡ÝIap £¨14-20£©

306

µ±¶Ï·Æ÷µÄINbr½Ïϵͳ¶Ì·µçÁ÷´óµÃºÜ¶àʱ£¬ÎªÁ˼ò»¯£¬Ò²¿ÉÒÔÓôÎÔÝ̬¶Ì·µçÁ÷I??½øÐÐÑ¡Ôñ£¬¼´£º

INbr¡ÝI?? £¨14-21£©

5.¶¯Îȶ¨Ð£Ñé

¿ª¹ØµçÆ÷ÔÊÐíµÄ¶¯Îȶ¨µçÁ÷·åÖµÓ¦´óÓÚ»òµÈÓÚÁ÷¹ý¶Ï·Æ÷µÄÈýÏà¶Ì·³å»÷µçÁ÷£¬¼´£º

ies¡Ýik £¨14-22£©

6.ÈÈÎȶ¨Ð£Ñé

¿ª¹ØµçÆ÷tÃëÖÓÈÈÎȶ¨µçÁ÷ItËã³öµÄÔÊÐíÈÈЧӦIt2t´óÓÚ»òµÈÓÚͨ¹ý¶Ï·Æ÷µÄ¶Ì·µçÁ÷ÈÈЧӦ£¬¼´£º

It2t£¾Qk £¨14-23£©

Àý14£­2 ÊÔÑ¡ÔñÈÝÁ¿Îª25MW¡¢UN=10.5kV¡¢cos??0.8µÄ·¢µç»ú³ö¿Ú¶Ï·Æ÷¼°¸ôÀ뿪¹Ø¡£ÒÑÖª·¢µç»ú³ö¿Ú¶Ì·ʱ£¬I???26.4kA£¬I2.01?29.3kA£¬I4.02=29.5kA£¬ ·¢µç

»úÖ÷±£»¤Ê±¼äΪ0.05s£¬ºó±¸±£»¤Ê±¼äΪ3.9s£¬Åäµç×°ÖÃÄÚ×î¸ßÊÒÎÂΪ+40¡æ¡£

½â£º·¢µç»ú×î´ó³ÖÐø¹¤×÷µçÁ÷Ϊ

Imax1.05?PN1.05?25?103???1804(A)

3UNcos?3?10.5?0.8¸ù¾Ý·¢µç»ú¶Ï·Æ÷µÄ¶î¶¨µçѹUN¡¢ImaxÒÔ¼°°²×°ÔÚÊÒÄÚµÄÒªÇó£¬Í¨¹ý²é¸½Â¼£¬¿ÉÑ¡Ôñ

¶Ï·Æ÷µÄÐͺÅΪSNl0£­10III£¯2000¡£¸ôÀ뿪¹ØµÄÐͺÅΪGN2¡ª10/2000

tk?26.42?10?29.32?29.52222?Qp??I???10Itk?Itk???4.02?3401??kA??s?

??12?122?ÓÉÓÚtk£¾ls£¬¹Ê²»¼Æ·ÇÖÜÆÚ·ÖÁ¿µÄÈÈЧӦ¡£

2Qk?Qp?3401??kA??s?

??³å»÷µçÁ÷Ϊ£ºik?1.92I???2.69?26.4?71(kA) ±í14£­10ÁгöÁ˸ßѹ¶Ï·Æ÷ºÍ¸ôÀ뿪¹ØµÄÓйزÎÊý¡£

±í14£­10 ¶Ï·Æ÷ºÍ¸ôÀ뿪¹ØÑ¡Ôñ½á¹û±í

¼ÆËãÊý¾Ý 10kV 1804£¨A£© 26.4kA 71£¨kA£© 3401[£¨kA£©.s] 22SN10¡ª10III/2000 10£¨kV£© 2000£¨A£© 43.3£¨kA£© 130£¨kA£© 43.3¡Á4=7499£¨kA£© [£¨kA£©.s] 22GN2¡ª10/2000 10£¨kV£© 2000£¨A£© 85£¨kA£© 51¡Á4=13005 [£¨kA£©.s] 2ÓÉÑ¡Ôñ½á¹û±í¿É¼û£¬¸÷ÏîÌõ¼þ¾ùÄÜÂú×㣬Òò´ËËùÑ¡µÄ¶Ï·Æ÷ºÍ¸ôÀ뿪¹ØºÏ¸ñ¡£

307

Èý¡¢¸ßѹÈÛ¶ÏÆ÷µÄÑ¡Ôñ

¸ßѹÈÛ¶ÏÆ÷°´¶î¶¨µçѹ¡¢¶î¶¨µçÁ÷¡¢¿ª¶ÏµçÁ÷ºÍÑ¡ÔñÐÔµÈÏîÀ´Ñ¡ÔñºÍУÑé¡£ 1.¶î¶¨µçѹѡÔñ

¶ÔÓÚÒ»°ãµÄ¸ßѹÈÛ¶ÏÆ÷£¬Æä¶î¶¨µçѹUN±ØÐë´óÓÚµÈÓÚµçÍøµÄ¶î¶¨µçѹUNs£¬¼´£º

UN¡ÝUNs £¨14-24£©

µ«ÊǶÔÓÚÓÐÏÞÁ÷×÷ÓõÄÈÛ¶ÏÆ÷£¬Ôò²»ÒËʹÓÃÔÚµÍÓÚÈÛ¶ÏÆ÷¶î¶¨µçѹµÄµçÍøÖУ¬ÕâÊÇÒòΪÏÞÁ÷ʽÈÛ¶ÏÆ÷Ãð»¡ÄÜÁ¦ºÜÇ¿£¬ÈÛÌåÈÛ¶ÏʱÒò½ØÁ÷¶ø²úÉú¹ýµçѹ£¬Æä¹ýµçѹ±¶ÊýÓëµç·²ÎÊý¼°ÈÛÌ峤¶ÈÓйأ¬Ò»°ãÔÚUN=UNsµÄµçÍøÖУ¬¹ýµçѹ±¶ÊýÔ¼2¡«2.5±¶£¬²»»á³¬¹ýµçÍøÖеçÆøÉ豸µÄ¾øԵˮƽ£¬µ«ÈçÔÚUN

2.¶î¶¨µçÁ÷Ñ¡Ôñ

ÈÛ¶ÏÆ÷µÄ¶î¶¨µçÁ÷Ñ¡Ôñ£¬°üÀ¨ÈÛ¶ÏÆ÷È۹ܵĶµçÁ÷ºÍÈÛÌåµÄ¶î¶¨µçÁ÷µÄÑ¡Ôñ¡£ £¨1£©È۹ܶµçÁ÷µÄÑ¡Ôñ¡£ÎªÁ˱£Ö¤ÈÛ¶ÏÆ÷¿Ç²»ÖÂË𻵣¬¸ßѹÈÛ¶ÏÆ÷µÄÈ۹ܶµçÁ÷INftÓ¦´óÓÚ»òµÈÓÚÈÛÌåµÄ¶î¶¨µçÁ÷INf£¬¼´£º

INft¡ÝINf £¨14-25£©

£¨2£©ÈÛÌå¶î¶¨µçÁ÷Ñ¡Ôñ¡£ÎªÁË·ÀÖ¹ÈÛÌåÔÚͨ¹ý±äѹÆ÷Àø´ÅÓ¿Á÷ºÍ±£»¤·¶Î§ÒÔÍâ¶Ì·¼°µç¶¯»ú×ÔÆô¶¯µÈ³å»÷µçÁ÷ʱÎó¶¯×÷£¬±£»¤35kV¼°ÒÔϵçÁ¦±äѹÆ÷µÄ¸ßѹÈÛ¶ÏÆ÷£¬ÆäÈÛÌåµÄ¶î¶¨µçÁ÷Ñ¡ÔñʽΪ£º

INft=KImax £¨14-26£©

ʽÖУºImax¡ªµçÁ¦±äѹÆ÷»Ø·×î´ó¹¤×÷µçÁ÷£»

K¡ª¿É¿¿ÏµÊý£¨²»¼Æµç¶¯»ú×ÔÆô¶¯Ê±K=1.1¡«1.3£¬¿¼Âǵ綯»ú×ÔÆô¶¯Ê±K=1.5¡«2.0£©¡£ ÓÃÓÚ±£»¤µçÁ¦µçÈÝÆ÷µÄ¸ßѹÈÛ¶ÏÆ÷µÄÈÛÌ壬µ±ÏµÍ³µçѹÉý¸ß»ò²¨Ðλû±äÒýÆð»Ø·µçÁ÷Ôö´ó»òÔËÐйý³ÌÖвúÉúÓ¿Á÷ʱ²»Ó¦ÎóÈ۶ϣ¬ÆäÈÛÌåÑ¡ÔñʽΪ£º

INfs=KIN £¨14-27£©

ʽÖУºINc¡ªµçÁ¦µçÈÝÆ÷»Ø·µÄ¶î¶¨µçÁ÷£»

K¡ª¿É¿¿ÏµÊý£¨¶ÔÏÞÁ÷ʽ¸ßѹÈÛ¶ÏÆ÷£¬µ±Ò»Ì¨µçÁ¦µçÈÝÆ÷ʱK=1.5¡«2.0£¬Ò»×éµçÁ¦µçÈÝÆ÷ʱK=1.3¡«1.8£©¡£

3.ÈÛ¶ÏÆ÷¿ª¶ÏµçÁ÷УÑé

INbr¡ÝIk£¨»òI??£© £¨14-28£©

¶ÔÓÚûÓÐÏÞÁ÷×÷ÓõÄÈÛ¶ÏÆ÷£¬Ñ¡ÔñʱÓóå»÷µçÁ÷µÄÓÐЧֵIk½øÐÐУÑ飻¶ÔÓÚÓÐÏÞÁ÷×÷ÓõÄÈÛ¶ÏÆ÷£¬ÔÚµçÁ÷´ï×î´óֵ֮ǰÒѽضϣ¬¹Ê¿É²»¼Æ·ÇÖÜÆÚ·ÖÁ¿Ó°Ï죬¶ø²ÉÓÃI??½øÐÐУÑé¡£

4.ÈÛ¶ÏÆ÷Ñ¡ÔñÐÔУÑé

ΪÁ˱£Ö¤Ç°ºóÁ½¼¶ÈÛ¶ÏÆ÷Ö®¼ä»òÈÛ¶ÏÆ÷ÓëµçÔ´£¨»ò¸ººÉ£©±£»¤×°ÖÃÖ®¼ä¶¯×÷µÄÑ¡ÔñÐÔ£¬Ó¦½øÐÐÈÛÌåÑ¡ÔñÐÔУÑé¡£¸÷ÖÖÐͺÅÈÛ¶ÏÆ÷µÄÈÛÌåÈÛ¶Ïʱ¼ä¿ÉÓÉÖÆÔ쳧ÌṩµÄ°²ÃëÌØÐÔÇúÏßÉϲ鴦¡£

¶ÔÓÚ±£»¤µçѹ»¥¸ÐÆ÷ÓõĸßѹÈÛ¶ÏÆ÷£¬Ö»Ðè°´¶î¶¨µçѹ¼°¶ÏÁ÷ÈÝÁ¿Á½ÏîÀ´Ñ¡Ôñ¡£

308

ËÄ¡¢»¥¸ÐÆ÷µÄÑ¡Ôñ

£¨Ò»£©µçÁ÷»¥¸ÐÆ÷µÄÑ¡Ôñ

µçÁ÷»¥¸ÐÆ÷Ó¦°´ÏÂÁм¼ÊõÌõ¼þÑ¡Ôñ¡£ 1.°´Ò»´Î»Ø·¶î¶¨µçѹºÍµçÁ÷Ñ¡Ôñ

µçÁ÷»¥¸ÐÆ÷µÄÒ»´Î¶î¶¨µçѹºÍµçÁ÷±ØÐëÂú×㣺

UN¡ÝUNs £¨14-29£© IN¡ÝImax £¨14-30£©

ʽÖУºUNs¡ªµçÁ÷»¥¸ÐÆ÷ËùÔÚµçÁ¦ÍøµÄ¶î¶¨µçѹ£¬£¨kV£©£»

UN¡¢IN¡ªµçÁ÷»¥¸ÐÆ÷µÄÒ»´Î¶î¶¨µçѹºÍµçÁ÷£» Imax¡ªµçÁ÷»¥¸ÐÆ÷Ò»´Î»Ø·×î´ó¹¤×÷µçÁ÷£¬£¨A£©¡£ 2.µçÁ÷»¥¸ÐÆ÷ÖÖÀàºÍÐÍʽѡÔñ

ÔÚÑ¡Ôñ»¥¸ÐÆ÷ʱ£¬Ó¦¸ù¾Ý°²×°µØµã£¨ÈçÎÝÄÚ¡¢ÎÝÍ⣩ºÍ°²×°·½Ê½£¨È紩ǽʽ¡¢Ö§³Öʽ¡¢×°ÈëʽµÈ£©Ñ¡ÔñÐÍʽ¡£

3.Ñ¡ÔñµçÁ÷¸ÐÆ÷µÄ׼ȷ¶ÈµÈ¼¶ºÍ¶î¶¨ÈÝÁ¿

ΪÁ˱£Ö¤ÒDZíµÄ׼ȷ¶È£¬»¥¸ÐÆ÷µÄ׼ȷ¶ÈµÈ¼¶²»µÃµÍÓÚËù¹©²âÁ¿ÒDZíµÄ׼ȷ¶ÈµÈ¼¶¡£µ±Ëù¹©ÒDZíÒªÇó²»Í¬×¼È·¶ÈµÈ¼¶Ê±£¬Ó¦°´×î¸ß¼¶±ðÀ´È·¶¨»¥¸ÐÆ÷µÄ׼ȷ¼¶¡£

ΪÁ˱£Ö¤»¥¸ÐÆ÷µÄ׼ȷ¶ÈµÈ¼¶£¬»¥¸ÐÆ÷¶þ´Î²àËù½ÓµÄ×î´ó¸ººÉS2Ó¦²»´óÓÚ¸Ã׼ȷ¶ÈµÈ¼¶Ëù¹æ¶¨µÄ¶î¶¨ÈÝÁ¿SN2¼´£º

2SN2?S2?IN2Z2L £¨14-31£©

»¥¸ÐÆ÷×î´óÒ»ÏàµÄ¶þ´Î¸ººÉ£¨ºöÂԵ翹£©°üÀ¨²âÁ¿ÒDZíµçÁ÷ÏßȦµç×èra£¬¼ÌµçÆ÷µç×è

rre£¬Á¬½Óµ¼Ïßµç×èr1ºÍ½Ó´¥µç×èrc£¬¼´£º

Z2L?ra?rre?r1?rc £¨14-32£©

ʽÖУ¬ra¡¢rre¿ÉÓɻطÖÐËù½ÓÒDZíºÍ¼ÌµçÆ÷µÄ²ÎÊýÇóµÃ£¬rcÓÉÓÚ²»ÄÜ׼ȷ²âÁ¿Ò»°ãÈ¡

0.1¦¸£»½öÁ¬½Óµ¼Ïßµç×èr1Ϊδ֪Êý£¬ÕûÀíºóµÃ£º

2SN2?IN2(ra?rre?rc) £¨14-33£© r1?2IN2ÒòS??Lc/r1£¬¹Ê£º

2IN2?Lc?Lc2S??(m) £¨14-34£© 2SN2?IN2?ra?rre?rc?SN2??ra?rre?rc?ʽÖУºS¡¢Lc¡ªÁ¬½Óµ¼ÏߵĽØÃ棨m2£©ºÍ¼ÆË㳤¶È£¨m£©£»

?¡ªµ¼Ïߵĵç×èÂÊ£¬£¨¦¸. m2/m£©£»

ZN2¡ª»¥¸ÐÆ÷µÄ¶î¶¨¶þ´Î×迹£¬£¨¦¸£©¡£

ʽ£¨14-34£©±íÃ÷£¬ÔÚÂú×ãµçÁ÷»¥¸ÐÆ÷¶î¶¨ÈÝÁ¿µÄÌõ¼þÏ£¬Ñ¡Ôñ¶þ´ÎÁ¬½Óµ¼ÏßµÄ×îСÔÊÐí½ØÃ档ʽÖÐLcÓëÒÇ±íµ½»¥¸ÐÆ÷µÄʵ¼Ê¾àÀëL¼°µçÁ÷»¥¸ÐÆ÷µÄ½ÓÏß·½Ê½Óйأ¬ÐÇÐνÓÏß

309

ʱLc=L£¬²»ÍêÈ«ÊÇÐÇÐνÓÏßʱLc=3L£¬µ¥Ïà½ÓÏßʱLc=2L¡£

·¢µç³§ºÍ±äµçÕ¾Ó¦ÓÃͭо¿ØÖƵçÀ£¬ÓÉʽÉÏÇó³öµÄÍ­µ¼Ïß½ØÃ治ӦСÓÚ1.5mm2£¬ÒÔÂú×ã»úеǿ¶ÈÒªÇó¡£

4.ÈÈÎȶ¨Ð£Ñé

µçÁ÷»¥¸ÐÆ÷ÈÈÎȶ¨ÄÜÁ¦³£ÒÔ1sÔÊÐíͨ¹ýÒ»´Î¶î¶¨µçÁ÷IN1µÄ±¶ÊýKtÀ´±íʾ£¬¹ÊÈÈÎȶ¨Ð£ÑéʽΪ£º

2tK£¨ »ò?Qk£© £¨14-35£© ?KtIN1??IK2ʽÖУºIk£­¶Ì·µçÁ÷ÎÈֵ̬£»

tk£­¶Ì·¼ÆËãʱ¼ä¡£ 5.¶¯Îȶ¨Ð£Ñé

µçÁ÷»¥¸ÐÆ÷³£ÒÔÔÊÐíͨ¹ýÒ»´Î¶î¶¨µçÁ÷×î´óÖµ£¨2IN1£©µÄ±¶ÊýKes£¨¶¯Îȶ¨µçÁ÷±¶Êý£©±íʾÆäÄÚ²¿¶¯Îȶ¨ÄÜÁ¦£¬ËùÒÔÄÚ²¿¶¯Îȶ¨Ð£ÑéʽΪ

2IN1Kes?ik £¨14-36£©

¶Ì·µçÁ÷²»½öÔÚµçÁ÷»¥¸ÐÆ÷ÄÚ²¿²úÉú×÷ÓÃÁ¦£¬¶øÇÒÓÉÓÚÏàÓëÏàÖ®¼äµçÁ÷µÄÏ໥×÷ÓÃʹ¾øÔµ×Ó´ÉñÉϳÐÊÜÍâÁ¦µÄ×÷Óã¬Òò´Ë£¬¶ÔÓڴɾøÔµÐ͵çÁ÷»¥¸ÐÆ÷ӦУÑé´ÉÌ׹ܵĻúеǿ¶È¡£´ÉÌ×¹ÜÉϵÄ×÷ÓÃÁ¦¿ÉÓÉÒ»°ãµç¶¯Á¦¹«Ê½¼ÆË㣬ËùÒÔÍⲿ¶¯Îȶ¨Ó¦Âú×㣺

2Fal?0.5?1.73?10?7ikl/a £¨N£© £¨14-37£©

ʽÖУºFa£­×÷ÓÃÓÚµçÁ÷»¥¸ÐÆ÷´Éñ¶Ë²¿·ÖµÄÔÊÐíÁ¦£»

l£­µçÁ÷»¥¸ÐÆ÷³öÏ߶ËÖÁ×î½üÒ»¸öĸÏßÖ§³Ö¾øÔµ×ÓÖ®¼äµÄ¿ç¾à¡£ ϵÊý0.5±íʾ»¥¸ÐÆ÷´ÉÌ׹ܶ˲¿³ÐÊܸÿçÉϵ綯Á¦µÄÒ»°ë¡£

¶ÔÓڴɾøÔµµÄĸÏßÐ͵çÁ÷»¥¸ÐÆ÷£¨ÈçLMCÐÍ£©Æä¶Ë²¿×÷ÓÃÁ¦¿ÉÓÃʽ£¨14£­51£©¼ÆË㣬ÆäУÑéʽΪ£º

2Fal?1.73?10?7ikl/a £¨N£© £¨14-38£©

ÓÃÓÚµç¶È¼ÆÁ¿µÄµçÁ÷»¥¸ÐÆ÷£¬×¼È·¶È²»Ó¦µÍÓÚ0.5¼¶£¬500kVÒËÓÃ0.2¼¶£»ÓÃÓÚµçÁ÷

µçѹ²âÁ¿µÄ£¬×¼È·¶È²»Ó¦µÍÓÚ1¼¶£¬·ÇÖØÒª»Ø·¿ÉʹÓÃ3¼¶¡£

ÓÃÓڼ̵籣»¤µÄµçÁ÷»¥¸ÐÆ÷£¬Ó¦Óá°D¡±£¨»ò¡°B¡±£©¼¶£¬Í¬Ê±Ó¦Ð£Ñé¶î¶¨10£¥±¶Êý£¬ÒÔ±£Ö¤¹ýµçÁ÷ʱµÄÎó²î²»³¬¹ý¹æ¶¨Öµ¡£

µ±ÏµÍ³¼Ìµç±£»¤ÒªÇó×°Éè¿ìËÙ±£»¤Ê±£¬330kV¼°ÒÔÉÏӦѡÓÃÔÝ̬ÌØÐԺõĵçÁ÷»¥¸ÐÆ÷£¨Èç´øÓÐСÆø϶ÌúоµÄTPY¼¶£©¡£

Àý14£­3 Èçͼ14£­6Ëùʾ£¬ÊÔÑ¡³ö10kVÀ¡ÏßÉϵĵçÁ÷»¥¸ÐÆ÷¡£³öÏßImax£½360A£¬I??£½8.36kA£¬tk?1.1s¡£Ik?8.58kA£¬µç¿¹Æ÷ºóik?21.3kA¡£Ïà¼ä¾àÀëa£½0.4m£¬µçÁ÷»¥¸ÐÆ÷ÖÁ×î½üÒ»¸ö¾øÔµ×ӵľàÀël£½1m¡£µçÁ÷»¥¸ÐÆ÷»Ø·½ÓÏßÈçͼ14£­7Ëùʾ£¬µçÁ÷»¥¸ÐÆ÷Óë²âÁ¿ÒDZíÏà¾à40m¡£ ½â£º£¨1£©µçÁ÷»¥¸ÐÆ÷µÄ¸ººÉͳ¼Æ£¬¼û±í14£­11£¬Æä×î´óÏฺºÉΪ1.45VA¡£

310

X = 0.33Imax=360ACOS¦Õ=0.8QF2¡Á100MVAQFAWWh10.5kVG1G2???0.418Xdͼ14£­6 µçÁ÷»¥¸ÐÆ÷¼ÆËãÖ÷½ÓÏßͼ ±í14£­11 µçÁ÷»¥¸ÐÆ÷¸ººÉ£¨VA£©

ÒDZíµçÁ÷ÏßȦÃû³Æ µçÁ÷±í£¨46Ll¡ªA£© ¹¦ÂÊ±í£¨46Dl¡ªW£© µç¶È±í£¨DSl£© ×Ü ¼Æ UÏà 0.35 0.6 0.5 1.45 ͼ14£­7 µçÁ÷»¥¸Ð½ÓÏßͼ

WÏà 0.6 0.5 1.1 £¨2£©Ñ¡ÔñµçÁ÷»¥¸ÐÆ÷¡£¸ù¾ÝµçÁ÷»¥¸ÐÆ÷°²×°´¦µÄµçÍøµçѹ¡¢×î´ó¹¤×÷µçÁ÷ºÍ°²×°µØµãµÄÒªÇ󣬳õÑ¡LFC£­10£¨L¡ªµçÁ÷»¥¸ÐÆ÷£¬F¡ª¸´ÔÑ£¬C¡ª´É¾øÔµ£©ÎÝÄÚÐ͵çÁ÷»¥¸ÐÆ÷£¬»¥¸ÐÆ÷±ä±ÈΪ400£¯5£¬ÓÉÓÚ¹©¸ø¼Æ·Ñµç¶È±íÓ㬹ÊӦѡ0.5¼¶£¬Æä¶þ´Î¸ººÉ¶î¶¨×迹Ϊ0.6¦¸£¬¶¯Îȶ¨±¶ÊýKes=250£¬ÈÈÎȶ¨±¶ÊýKt=80£¬³öÏ߶˲¿ÔÊÐíÓ¦Á¦Fal=736£¨N£©

£¨3£©Ñ¡Ôñ»¥¸ÐÆ÷Á¬½Óµ¼Ïß½ØÃæ¡£

2»¥¸ÐÆ÷¶þ´Î¶î¶¨ÈÝÁ¿SN2?IN2 Z2L?52?0.6?15 £¨VA£©×î´óÏฺºÉ×迹ra?rre?Pmax1.45??0.058? 2IN225µçÁ÷»¥¸ÐÆ÷Ϊ²»ÍêÈ«ÐÇÐΣ¬Á¬½ÓÏߵļÆË㳤¶ÈLc?3L£¬

1.75?10?8?3?40S???2.74?10?6m2?2.74mm2

ZN2?ra?rre?rc0.6?0.058?0.1?LcÑ¡Óñê×¼½ØÃæΪ4mm2µÄÍ­µ¼Ïß¡£

£¨4£©Ð£ÑéËùÑ¡µçÁ÷»¥¸ÐÆ÷µÄÈÈÎȶ¨ºÍ¶¯Îȶ¨¡£°´Õչ涨Ӧ°´µç¿¹Æ÷ºó¶Ì·УÑé¡£Òò

tk?1.1s£¬£¾1s£¬¹Ê²»¼Æ·ÇÖÜÆÚ·ÖÁ¿¡£

1£©ÈÈÎȶ¨Ð£Ñé¡£

Iktk?8580?1.1?9009(A?s)

311

12(KtIN1)?400?80?32000(A?s)?9009(A?s)

2£©ÄÚ²¿¶¯Îȶ¨

12122IN1Kes?2?0.4?250?141.4kA£¾21.3kA

3£©»¥¸ÐÆ÷´ÉÌ×»úеǿ¶ÈУÑé

2Fal?0.5?1.73ikl1?10?7?0.5?1.73?213002??10?7?98.2N£¼736N a0.4Òò´Ë£¬ËùÑ¡µçÁ÷»¥¸ÐÆ÷Âú×㶯¡¢ÈÈÎȶ¨ÒªÇó¡£

£¨¶þ£©µçѹ»¥¸ÐÆ÷µÄÑ¡Ôñ

µçѹ»¥¸ÐÆ÷Ó¦°´Ò»´Î»Ø·µçѹ¡¢¶þ´Î»Ø·µçѹ¡¢°²×°µØµãºÍʹÓÃÌõ¼þ¡¢¶þ´Î¸ººÉ¼°×¼È·µÈ¼¶µÈÒªÇó½øÐÐÑ¡Ôñ¡£

1.°´Ò»´Î»Ø·µçѹѡÔñ

ΪÁËÈ·±£µçѹ»¥¸ÐÆ÷°²È«ºÍÔڹ涨µÄ׼ȷ¶ÈµÈ¼¶ÏÂÔËÐУ¬µçѹ»¥¸ÐÆ÷Ò»´ÎÈÆ×éËù½ÓµçÁ¦ÍøµçѹUNsÓ¦ÔÚ1.16¡«0.85UNI·¶Î§Äڱ䶯£¬¼´Âú×ãÏÂÁÐÌõ¼þ£º

0.85UNI

2°´¶þ´Î»Ø·µçѹµÄÑ¡Ôñ

¶þ´Î»Ø·µçѹ±ØÐëÂú×ã±£»¤ºÍ²âÁ¿Ê¹Óñê×¼ÒDZíµÄÒªÇ󣬸ù¾Ýµçѹ»¥¸ÐÆ÷½ÓÏߵIJ»Í¬£¬¶þ´Îµçѹ¸÷²»Ïàͬ£¬Ñ¡Ôñʱ¿É°´±í14£­12Ñ¡Ôñ¡£

±í14£­12 µçѹ»¥¸ÐÆ÷¶î¶¨µçѹѡÔñ ÐÎʽ Ò»´Îµçѹ£¨V£© ½ÓÓÚÒ»´ÎÏßµçѹÉÏ£¨ÈçV/V½Ó·¨£© µ¥Ïà ½ÓÓÚÒ»´ÎÏàµçѹÉÏ ÈýÏà UNs UNs ¶þ´Îµçѹ£¨V£© 100 µÚÈýÈÆ×éµçѹ£¨V£© ÖÐÐÔµã·ÇÖ±½Ó½ÓµØϵͳ ÖÐÐÔµãÖ±½Ó½ÓµØϵͳ 100/3 100/3¡¢100/3 100 UNs3 100/3 100 ×¢£ºUNsΪϵͳ¶î¶¨µçѹ¡£

3.ÖÖÀàºÍÐÍʽѡÔñ

µçѹ»¥¸ÐÆ÷µÄÖÖÀàºÍÐÍʽӦ¸ù¾Ý°²×°µØµãºÍʹÓÃÌõ¼þ½øÐÐÑ¡Ôñ¡£ÀýÈ磺ÔÚ6¡«35kVÎÝÄÚÅäµç×°ÖÃÖÐÒ»°ã²ÉÓÃÓͽþʽ»ò½½×¢Ê½£»110¡«220kVÅäµç×°Öã¬Ò»°ã²ÉÓô®¼¶Ê½µç´Åʽµçѹ»¥¸ÐÆ÷£»ÔÚ200kV¼°ÆäÒÔÉÏÅäµç×°Ö㬵±ÈÝÁ¿ºÍ׼ȷ¶ÈµÈ¼¶Âú×ãÒªÇóʱ£¬Ò»°ã²ÉÓõçÈÝʽµçѹ»¥¸ÐÆ÷¡£

4.°´ÈÝÁ¿ºÍ׼ȷ¶ÈµÈ¼¶Ñ¡Ôñ

Óйصçѹ»¥¸ÐÆ÷׼ȷ¶ÈµÈ¼¶Ñ¡ÔñÓ¦Âú×ãËù¹©²âÁ¿ÒDZíµÄ×î¸ß׼ȷ¶ÈµÈ¼¶£¬Ó¦¸ù¾ÝÒDZíºÍ¼ÌµçÆ÷½ÓÏßÒªÇóÑ¡Ôñµçѹ»¥¸ÐÆ÷µÄ½ÓÏß·½Ê½£¬²¢¾¡¿ÉÄܽ«¸ººÉ¾ù·Ö²¼ÔÚ¸÷ÏàÉÏ£¬È»ºó¼ÆËã¸÷ÏฺºÉ´óС¡£

»¥¸ÐÆ÷µÄ¶î¶¨¶þ´ÎÈÝÁ¿£¨¶ÔÓ¦ÓÚËùÒªÇóµÄ׼ȷ¶ÈµÈ¼¶£©SN2£¬Ó¦²»Ð¡ÓÚ»¥¸ÐÆ÷µÄ¶þ´Î¸ºS2£¬¼´£º

312

SN2¡ÝS2 £¨14-40£©

S2???Smecos?????Smesin???22??P????Q?2meme2 £¨14-41£©

ʽÖУºSme¡¢Pme¡¢Qme£­¸÷ÒDZíµÄÊÓÔÚ¹¦ÂÊ¡¢Óй¦¹¦ÂÊ¡¢ÎÞ¹¦¹¦ÂÊ£»

cos?£­¸÷ÒDZíµÄ¹¦ÂÊÒòÊý¡£

ÓÉÓÚµçѹ»¥¸ÐÆ÷ÈýÏฺºÉ¾­³£²»ÏàµÈ£¬ÎªÁËÂú×ã׼ȷ¼¶ÒªÇó£¬Í¨³£ÒÔ×î´óÏฺºÉ½øÐбȽϡ£

¼ÆËãµçѹ»¥¸ÐÆ÷Ò»ÏàµÄ¸ººÉʱ£¬±ØÐë×¢Ò⻥¸ÐÆ÷ºÍ¸ººÉµÄ½ÓÏß·½Ê½¡£±í14£­13Áгö»¥¸ÐÆ÷ºÍ¸ººÉ½ÓÏß·½Ê½²»Ò»ÖÂʱÿÏฺºÉµÄ¼ÆË㹫ʽ¡£

±í14£­13 µçѹ»¥¸Ð¶þ´ÎÈÆ×鸺ºÉ¼ÆË㹫ʽ

UUUUUVUWUUVWVuSuvvSvwwUUUVVWSuSS½ÓÏß¼°ÏàÁ¿ wvUVUVW U ?PU??Scos??30???uvuv??/3 ?QU??Ssin??30???uvuv??/3??PV???Suvcos?uv?30?Svwcos?vw?30??/3 UV PUV?3Scos???30??QUV?3Ssin???30?? V QV???Suv?sin??uv??30??S?vw?sin??vw??30???/?PVW?3Scos???30??VW 3QVW?3Ssin???30?? ?PW??Scos??30???vwvw??/3 ??QW???Svwsin??vw?30??/3W ÖµµÃ×¢ÒâµÄÊÇ: £¨1£©ÓÉÓÚµçѹ»¥¸ÐÆ÷ÈýÏฺºÉÒ»°ã²»ÏàµÈ£¬ÎªÁËÂú×ã׼ȷ¶ÈµÈ¼¶ÒªÇó£¬Í¨³£ÒÔ×î´óÏฺºÉ½øÐбȽϡ£¼ÆËãµçѹ»¥¸ÐÆ÷Ò»ÏฺºÉʱ£¬±ØÐë×¢Ò⻥¸ÐÆ÷ºÍ¸ººÉµÄ½ÓÏß·½Ê½¡£

£¨2£©ÓÃÓÚµç¶È¼ÆÁ¿£¬×¼È·¶È²»Ó¦µÍÓÚ0£®5¼¶£»ÓÃÓÚµçѹ²âÁ¿£¬²»Ó¦µÍÓÚ1¼¶£»ÓÃÓڼ̵籣»¤²»Ó¦µÍÓÚ3¼¶¡£

£¨3£©ÓÉÓÚ³¬¸ßѹÏß·ҪÇóË«Ì×Ö÷±£»¤£¬²¢¿¼Âǵ½ºó±¸±£»¤¡¢×Ô¶¯×°ÖúͲâÁ¿ÒDZíµÄÒªÇ󣬵çѹ»¥¸ÐÆ÷Ò»°ãÓ¦¾ßÓÐÈý¸ö¶þ´ÎÈÆ×飬¼´Á½¸öÖ÷¶þ´ÎÈÆ×é¡¢Ò»¸ö¸¨Öú¶þ´ÎÈÆ×é¡£ÆäÖÐÒ»¸öÖ÷¶þ´ÎÈÆ×éµÄ׼ȷ¶ÈÓ¦²»µÍÓÚ0.5¼¶¡£

£¨4£©³¬¸ßѹµçÈÝʽµçѹ»¥¸ÐÆ÷ÉÐÓ¦ÓÐÁ¼ºÃµÄÔÝ̬ÌØÐÔ£¬¼´ÔÚµçѹ»¥¸ÐÆ÷´øÓÐ25£¥¡«100£¥µÄ¶î¶¨¸ººÉÇé¿öÏ£¬Ò»´Î²àÔڶµçѹÏ·¢Éú¶Ì·ʱ£¬Ö÷¶þ´Î²àµçѹӦÔÚ20msÄÚ½µµ½¶Ì·ǰ·åÖµµÄ10£¥ÒÔÏ¡£

313

£¨5£©µçÈÝʽµçѹ»¥¸ÐÆ÷µÄ¿ª¿ÚÈý½ÇÈÆ×éµÄ²»Æ½ºâµçѹ½Ï¸ß£¬³£³£Ó°ÏìÁãÐò±£»¤×°ÖõÄÁéÃô¶È¡£µ±ÁéÃô¶È²»ÄÜÂú×ãÒªÇóʱ£¬¿ÉÒªÇóÖÆÔ첿ÃÅ×°Éè¸ß´Îг²¨Â˹ýÆ÷¡£

5¡¢Ìú´ÅгÕñÌØÐԺͷÀг´ëÊ©

µçÈÝʽµçѹ»¥¸ÐÆ÷¾ßÓдøÌúоµÄ·ÇÏßÐÔµç¸ÐºÍµçÈÝÆ÷¡£ÔÚÒ»´Îµçѹ»ò¶þ´ÎµçÁ÷¾ç±äʱ£¬½«²úÉúÔÝ̬¹ý³ÌºÍ·Ç¹¤ÆµÌú´ÅгÕñ¡£Òò´ËÒªÇóÖÆÔ쳧¼ÒÓ¦²ÉÈ¡ÒÖÖÆ´ëÊ©£¨ÀýÈç×°ÉèгÕñʽ×èÄáÆ÷£©£¬±£Ö¤Ìú´ÅгÕñÌØÐÔÂú×ãÏÂÁÐÒªÇó£ºÔÚ1.2±¶¶î¶¨µçѹÇÒ¸ºÔØΪÁãʱ£¬µçѹ»¥¸ÐÆ÷¶þ´Î²à¶Ì·ºóÓÖͻȻÏûʧ¶Ì·£¬Æä¶þ´Îµçѹ·åÖµÓ¦ÔڶƵÂÊ10¸öÖܲ¨Ê±¼äÄÚ»Ö¸´µ½ÓëÕý³£ÖµÏà²î²»´óÓÚ10£¥µÄÊýÖµ£»¶øÔÚ1.5±¶¶î¶¨µçѹ£¬ÇÒÔÚÏàͬµÄ¶Ì·Ìõ¼þÏ£¬Æä¶þ´Îµçѹ»Ø·Ìú´ÅгÕñ³ÖÐøʱ¼ä²»Ó¦³¬¹ý2s¡£

µç´Åʽµçѹ»¥¸ÐÆ÷°²×°ÔÚÖÐÐÔµã·ÇÖ±½Ó½ÓµØϵͳÖУ¬ÇÒµ±ÏµÍ³ÔËÐÐ״̬·¢ÉúÍ»±äʱ£¬ÓпÉÄÜ·¢Éú²¢ÁªÐ³Õñ¡£Îª·ÀÖ¹´ËÀàÐÍÌú´ÅгÕñ·¢Éú£¬¿ÉÔÚµçѹ»¥¸ÐÆ÷ÉÏ×°ÉèÉèÏûгÆ÷£¬Òà¿ÉÔÚ¿ª¿ÚÈý½Ç¶Ë×ÓÉϽÓÈ˵ç×è»ò°×³ãµÆÅÝ¡£µç×èR¿É°´ÏÂʽѡȡ£º

R?X £¨14-42£© K13ʽÖУºK13¡ª´ÎÈÆ×é¶Ô¿ª¿ÚÈý½ÇÈÆ×éµÄ±ä±È£»

X¡ªµçѹ»¥¸ÐÆ÷¸Ð¿¹¡£µ±µçÍøÄÚÓжą̀»¥¸ÐÆ÷ʱ£¬Ó¦È¡²¢ÁªÖµ¡£

RֵΪÒÖÖÆгÕñµÄ×Ü×èÖµ¡£Èô·ÖÖÃÓÚn̨»¥¸ÐÆ÷ʱ£¬Ã¿¸öµç×èֵӦȡnR¡£

Àý14£­4 Ñ¡ÔñÀý14£­3ÖÐ10.5kVĸÏß²âÁ¿Óõçѹ»¥¸ÐÆ÷¼°Æä¸ßѹÈÛ¶ÏÆ÷¡£ÒÑÖª£ºÄ¸ÏßÉϽÓÓÐÀ¡Ïß7»Ø¡¢³§ÓñäѹÆ÷2»Ø¡¢Ö÷±äѹÆ÷1»Ø£¬¹²ÓÐÓ馵ç¶È±í10Ö»¡¢Óй¦¹¦Âʱí3Ö»¡¢ÎÞ¹¦¹¦Âʱí1Ö»¡¢Ä¸Ïßµçѹ¼°ÆµÂʱí¸÷1Ö»¡¢¾øÔµ¼àÊÓµçѹ±í3Ö»£¬µçѹ»¥¸ÐÆ÷¼°ÒDZí½ÓÏߺ͸ººÉ·ÖÅäÈçͼ14£­8ºÍ±í14£­14Ëùʾ¡£

3¡ÁWUuvwVAR10¡ÁWhfVVVVVW

ͼ14£­8 ²âÁ¿ÒDZíÓëµçѹ»¥¸ÐÆ÷µÄÁ¬½Óͼ

±í14£­14 µçѹ»¥¸ÐÆ÷¸÷ÏฺºÉ·ÖÅ䣨²»ÍêÈ«ÐÇÐθººÉ²¿·Ö£©

ÒDZíÃû³Æ¼°ÐͺŠÓй¦¹¦Âʱí16D1¡ªW ÎÞ¹¦¹¦Âʱí16D1¡ªVAR Ó馵ç¶È±íDS1 ƵÂʱí16Ll¡ªHz µçѹ±í16L1¡ªV ×ܼÆ

ÿÏßȦÏûºÄ¹¦ÂÊ£¨VA£© 0.6 0.5 1.5 0.5 0.2 ÒDZíµçѹÏßȦ ÒDZíÊýÄ¿ 3 1 0.925 10 1 1 UVÏà Puv 1.8 0.5 5.7 0.5 8.5 13.9 13.9 Quv VWÏà Pvw 1.8 0.5 5.7 8.2 13.9 314 13.9 Qvw cos? sin? 1 1 0.38 1 1 ½â£º¼øÓÚ10.5kVΪÖÐÐԵ㲻½ÓµØϵͳ£¬µçѹ»¥¸ÐÆ÷³ý¹©²âÁ¿ÒDZíÍ⣬»¹ÓÃÀ´×÷½»Á÷µçÍø¾øÔµ¼àÊÓ£¬Òò´ËÑ¡ÓÃJSJW¡ª10ÐÍÈýÏàÎåÖùʽµçѹ»¥¸ÐÆ÷£¨Ò²¿ÉÑ¡ÓÃ3Ö»µ¥ÏàJDZJÐͽ½×¢¾øÔµµçѹ»¥¸ÐÆ÷£©£¬ÆäÒ»¡¢¶þ´ÎµçѹΪ10/0.1/0.1kV¡£ÓÉÓڻطÖнÓÓмƷÑÓõç3¶È±í£¬¹Ê»¥¸ÐÆ÷Ñ¡ÓÃ0.5׼ȷ¼¶¡£Óë´Ë¶ÔÓ¦£¬»¥¸ÐÆ÷ÈýÏàµÄ¶î¶¨ÈÝÁ¿Îª120VA¡£µçѹ»¥¸ÐÆ÷½ÓÏßΪY0/Y0/?¡£

¸ù¾Ý±í14£­14¿ÉÇó³ö²»ÍêÈ«ÐÇÐβ¿·Ö¸ººÉΪ£º

S?P22uvuv?Quv?8.52?13.92?16.3(VA)S22vw?Pvw?Qvw?8.22?13.92?16.1(VA)

cos?Puv?8.5uv??0.52¡¢?uv?58.7?Suv16.3cos?Pvwvw?S?8.2?0.51¡¢?vw?59.3?vw16.1ÓÉÓÚÿÏàÉÏÉнÓÓоøÔµ¼àÊÓµçѹ±íV£¨P??0.2£¬Q??0£©£¬¹ÊUÏฺºÉΪ£º

P1?U?3S??P??1uvcos??uv?303?16.3cos?58.7??30???0.2?8.45(W)

Q1U?3S??1uvsinuv?30???3?16.3sin?58.7??30???4.5(var)VÏฺºÉΪ£º P1

V?1??S PV?3??Suvcos??uv?30????????Svwcos?vw?3030???????P?uvcos?uv?30?Svwcos?vw???Pvv? ? ?13?13???????????3????16.3cos?16.3cos58.758.7???3030???16.3cos16.3cos59.359.3???3030??????0.2??0.2 ??8.33 (W)8.33 (W)

Q1??QV?1???SSuvsin??uv?30??Suvsin?uv?30???V?3uvsin???uv?30??S?uvsin???? 13?uv?30??????? ??13????16.3sin58.7??30??16.3sin59.3???30??? ?13.96 (var)3??16.3sin?58.7?30???16.3sin??59.3?30???

?13.96 (var)315

ÏÔ¶øÒ×¼û£¬VÏฺºÉ½Ï´ó£¬¹ÊÖ»ÐëÓÃVÏà×ܸººÉÀ´½øÐÐУÑé¡£

22SV?PV?QV?8.312?13.972?16.28VA£¼120VA 3Òò´ËËùÑ¡JSJW£­10ÐÍ»¥¸ÐÆ÷Âú×ãÒªÇó¡£ Îå¡¢ÏÞÁ÷µç¿¹Æ÷µÄÑ¡Ôñ

Ä¿Ç°µçÁ¦ÏµÍ³³£ÓõÄÏÞÁ÷µç¿¹Æ÷£¬ÓÐÆÕͨµç¿¹Æ÷ºÍ·ÖÁѵ翹Æ÷Á½ÖÖ¡£Á½ÕßµÄÑ¡Ôñ·½·¨»ù±¾Ïàͬ£¬Ò»°ã°´Õնµçѹ¡¢¶î¶¨µçÁ÷¡¢µç¿¹°Ù·ÖÊý¡¢¶¯Îȶ¨ºÍÈÈÎȶ¨½øÐÐÑ¡ÔñºÍУÑé¡£

1.¶î¶¨µçѹºÍ¶î¶¨µçÁ÷µÄÑ¡Ôñ

¶î¶¨µçѹºÍ¶î¶¨µçÁ÷µÄÑ¡ÔñÓ¦Âú×㣺

UN?UNs £¨14-43£© IN?Imax £¨14-44£©

ʽÖУºUN¡¢£­µç¿¹Æ÷µÄ¶î¶¨µçѹºÍ¶î¶¨µçÁ÷£»

UN¡¢£­µçÍø¶î¶¨µçѹºÍµç¿¹Æ÷µÄ×î´ó³ÖÐø¹¤×÷µçÁ÷¡£ sImax·ÖÁѵ翹Æ÷µ±ÓÃÓÚ·¢µç³§µÄ·¢µç»ú»òÖ÷±äѹÆ÷»Ø·ʱ£¬ImaxÒ»°ã°´·¢µç»ú»òÖ÷±äѹÆ÷¶î¶¨µçÁ÷µÄ70£¥Ñ¡Ôñ£»¶øÓÃÓÚ±äµçÕ¾Ö÷±äѹÆ÷»Ø·ʱ£¬ImaxÈ¡Á½±ÛÖиººÉµçÁ÷½Ï´óÕߣ¬µ±ÎÞ¸ººÉ×ÊÁÏʱ£¬Ò»°ã°´Ö÷±äѹÆ÷¶î¶¨ÈÝÁ¿µÄ70£¥Ñ¡Ôñ¡£

2.ÆÕͨµç¿¹Æ÷µç¿¹°Ù·ÖÊýÑ¡Ôñ

£¨1£©µç¿¹Æ÷µÄµç¿¹°Ù·ÖÊý°´½«¶Ì·µçÁ÷ÏÞÖƵ½Ò»¶¨ÊýÖµµÄÒªÇóÀ´Ñ¡Ôñ£¬ÉèÒªÇ󽫶Ì

??£¬ÔòµçÔ´ÖÁ¶Ì·µãµÄ×ܵ翹±êçÛÖµX??Ϊ£º ·µçÁ÷ÏÞÖƵ½Iz?? £¨14-45£© X???IB/IzʽÖУºIB£­»ù×¼µçÁ÷¡£

? ËùÐèµç¿¹Æ÷µÄµç¿¹±êôֵΪ£ºX?k?X???X???£­µçÔ´ÖÁµç¿¹Æ÷Ç°µÄϵͳµç¿¹±êçÛÖµ¡£ ʽÖУºX??µç¿¹Æ÷ÔÚÆä¶î¶¨²ÎÊýϵİٷֵ翹

Xk%?X?kINUB?100% £¨14-46£© IBUN»ò Xk%???IB?IU??NB?100% £¨14-47£© ?X?????Iz?IBUNʽÖУºUB£­»ù×¼µçѹ¡£

£¨2£©µçѹËðʧУÑé¡£

ÆÕͨµç¿¹Æ÷ÔÚÔËÐÐʱ£¬µç¿¹Æ÷µÄµçѹËðʧӦ²»´óÓڶµçѹµÄ5£¥£¬¼´£º

?U%?Xk%Imaxsin??5% £¨14-48£© IN316

ʽÖУº?£­¸ººÉ¹¦ÂÊÒòÊý½Ç£¬Ò»°ãcos??0.8¡£

£¨3£©Ä¸Ïß²ÐѹУÑé¡£Èô³öÏߵ翹Æ÷»Ø·δÉèÖÃÎÞʱÏÞ±£»¤£¬Îª¼õÇá¶Ì·¶ÔÆäËûÓû§µÄÓ°Ï죬µ±Ïß·µç¿¹Æ÷ºó¶Ì·ʱ£¬Ä¸Ïß²ÐѹӦ²»µÍÓÚµçÍø¶î¶¨ÖµµÄ60¡«70£¥£¬¼´£º

?Ucy%?Xk%??Iz?60~70% £¨14-49£© IN3.·ÖÁѵ翹Æ÷µç¿¹°Ù·ÖÊýµÄÑ¡Ôñ

Òò·ÖÁѵ翹Æ÷²úƷϵ°´µ¥±Û×Ըе翹XL£¥Ëã³ö£¬°´Ç°Ã湫ʽËù¼ÆËã³öµÄµç¿¹°Ù·ÖÖµXk£¥Ó¦½øÐл»Ë㣬XL£¥ÓëXk£¥µÄ¹ØϵÓëµçÔ´Á¬½ÓºÍÏÞÖÆÄÇÒ»²à¶Ì·µçÁ÷Óйء£·ÖÁѵ翹Æ÷µÄ½ÓÏßÈçͼ14£­9Ëùʾ¡£

Uµ±½ö3²àÓеçÔ´£¬1£¨»ò2£©²à¶Ì·ʱ£¬XL%£½Xk%£» µ±1¡¢2²àÓеçÔ´£¬3²à¶Ì·ʱ£¬XL£¥£½2 Xk%£¯£¨1£­f0£©¡£

3ʽÖУºf0£­·ÖÁѵ翹Æ÷µÄ»¥¸ÐϵÊý£¬ÈçÎÞ×ÊÁÏ£¬È¡f0£½0.5¡£

12ÔÚÕý³£ÔËÐÐÇé¿öÏ£¬·ÖÁѵ翹Æ÷µÄµçѹËðʧºÜС£¬µ«Á½

I1I2±Û¸ººÉ±ä»¯¿ÉÒýÆð½Ï´óµÄµçѹ²¨¶¯£¬¹ÊÒªÇóÁ½±ÛĸÏߵĵçѹ

U1U2²¨¶¯²»´óÓÚĸÏ߶µçѹµÄ50%¡£ÓÉÓڵ翹Æ÷µÄµç×èºÜС£¬IIIÇÒµçѹ½µÊÇÓɵçÁ÷µÄÎÞ¹¦·ÖÁ¿Ôڵ翹Æ÷µÄµç¿¹ÖвúÉúµÄ£¬¹Ê

ͼ14£­9 ·ÖÁѵ翹Æ÷½ÓÏß Ä¸ÏßIµÄµçѹΪ£º

U1?U?3XLI1sin?1?3XLI2sin?2

ÒòΪ XL?XL%UN ?1003IN¹Ê U1?U??XL%?I1I UN?sin?1?f02sin??2 £¨14-50£©

100IN?IN?I1Isin?1?f02sin?2) £¨14-51£© ININU100%£» UNÉÏʽ³ýÒÔUN£¬¿ÉµÃI¶ÎĸÏßµçѹµÄ°Ù·ÖÊý£º

U1%?U%?XL%(ʽÖУºU%¡ª·ÖÁѵ翹Æ÷µçÔ´²àµçѹµÄ°Ù·ÖÖµ£¬U%?I1¡¢I2¡ªI¡¢¢ò¶ÎĸÏßÉϸººÉµçÁ÷£»

?1¡¢?2¡ªI¡¢II¶ÎĸÏßÉϸººÉ¹¦ÂÊÒòÊý½Ç£¬Ò»°ã¿ÉÈ¡cos??0.8£»

UN¡¢IN¡ªµç¿¹Æ÷µÄ¶î¶¨µçѹºÍ¶î¶¨µçÁ÷¡£ ͬÀíII¶ÎĸÏߵĵçѹ£º

317

U2?U??XL%?I2IUN?sin?2?f01sin?1? £¨14-52£© 100IN?IN??I2?I1»ò U2%?U%?XL%? sin?2?f0sin?1? £¨14-53£©

IIN?N?¼ÆËãʱÈçÎÞ¸ººÉ×ÊÁÏ£¬¿É°´Ò»±ÛΪ0.3IN£¬ÁíÒ»±ÛΪ0.7IN¼ÆËãĸÏßµçѹºÍµçѹ²¨¶¯¡£

4.ÈÈÎȶ¨ºÍ¶¯Îȶ¨Ð£Ñé

ÈÈÎȶ¨ºÍ¶¯Îȶ¨Ð£ÑéÓ¦Âú×ãÏÂʽ£»

Itt?Iktk £¨14-54£© ies?ik £¨14-55£©

ʽÖУºik¡¢Ik¡ªµç¿¹Æ÷ºó¶Ì·³å»÷µçÁ÷ºÍÎÈ̬¶Ì·µçÁ÷£»

¡£ ies¡¢It¡ªµç¿¹Æ÷µÄ¶¯Îȶ¨µçÁ÷ºÍ¶ÌʱÈȵçÁ÷£¨t£½1s£©

ÓÉÓÚ·ÖÁѵ翹Æ÷µÖÓù¶þ±ÛͬʱÁ÷¹ý·´Ïò¶Ì·µçÁ÷µÄ¶¯Îȶ¨ÄÜÁ¦½ÏµÍ£¬Òò´Ë£¬ÔÚ¿ÉÄܳö

ÏÖÉÏÊöÇé¿öʱ£¬·ÖÁѵ翹Æ÷³ý·Ö±ð°´µ¥±ÛÁ÷¹ý¶Ì·µçÁ÷УÑéÍ⣬»¹Ó¦°´Á½±ÛͬʱÁ÷¹ý·´Ïò¶Ì·µçÁ÷½øÐж¯Îȶ¨Ð£Ñé¡£

ÔÚÑ¡Ôñ·ÖÁѵ翹Æ÷ʱ£¬»¹Ó¦×¢Òâµç¿¹Æ÷²¼Ö÷½Ê½ºÍ½ø³öÏ߶Ë×ӽǶȵÄÑ¡Ôñ¡£

Àý14£­5 Èçͼ14£­6Ëùʾ½ÓÏߣ¬ÒÑÖª10.5kV³öÏßÄâʹÓÃSN8£­10ÐͶÏ·Æ÷£¬ÆäÔÊÐí¿ª¶ÏµçÁ÷INbr=11kA£¬¶Ï·Æ÷QFÈ«¿ª¶Ïʱ¼ätab=0.1s£¬³öÏß±£»¤¶¯×÷ʱ¼ätpr=1s£¬Ïß·×î´ó³ÖÐø¹¤×÷µçÁ÷Ϊ360A£¬ÊÔÑ¡Ôñ³öÏߵ翹Æ÷¡£

½â£º°´Õý³£¹¤×÷µçѹºÍ×î´ó³ÖÐø¹¤×÷µçÁ÷Ñ¡ÔñNKL£­10¡ª400µç¿¹Æ÷£¨N£­Ë®ÄàÖ§Öù£¬K£­µç¿¹Æ÷£¬L£­ÂÁÏߣ©£¬UN=10kV£¬IN£½400A¡£

ÓÉͼ14£­8¿ÉÇóµç¿¹Æ÷ǰϵͳµç¿¹£º

???X?0.33?0.209?0.128

0.33?0.209???INbr£¬Ôò ÁîIz?IB?INUB?5.5?400?10500?Xk%???X????100%???0.128??100%?2.84%

???11?5500?10000?Iz?IBUNÈôÑ¡ÓÃ3£¥µÄµç¿¹£¬¼ÆËã½á¹û±íÃ÷²»Âú×㶯Îȶ¨ÒªÇ󣬹ʸÄÑ¡NKL£­10£­400£­4ÐÍ£¬ÆäXk%?4%£¬ies?25.5kA£¬It1?22.5(kA?s)

¼ÆËãµç¿¹Æ÷ºó¶Ì·µçÁ÷

12 318

X*k?Xk%IBUN5500?10000?0.04??0.524INUB400?10500

???X*k?0.128?0.524?0.652X???X????8.36kA£¬Ik?8.58kA¡£ ²éÔËËãÇúÏߺó»»ËãµÃ¶Ì·µçÁ÷ÓÐÃûֵΪ£ºIzУÑ鶯¡¢ÈÈÎȶ¨£º

ik?2.55?8.36?21.3kA£¼25.5kAtk?tab?tpr?1?0.1?1.1sÒòtk>1s£¬¹Ê²»¼ÆÖÜÆÚ·ÖÁ¿£º

12

Iktk?8.581.1£¼22.5£¨kA?s£©Ð£Ñéµç¿¹Æ÷Õý³£Çé¿öϵçѹËðʧ£º

?U%?Xk%Imax360sin??4%??0.6?2.16%?5% IN400УÑéµç¿¹Æ÷Íâ¶Ì·ʱĸÏß²Ðѹ£º

?Ucy%?Xk%??Iz8360?4%??83.6%?70% IN400ÒÔÉϼÆËã˵Ã÷NKL£­10£­400£­4Âú×ãÒªÇó¡£

Áù¡¢ÖÐÐÔµãÉ豸µÄÑ¡Ôñ 1.Ïû»¡ÏßȦµÄÑ¡Ôñ

Ïû»¡ÏßȦµÄ×°ÉèÌõ¼þ¸ù¾ÝÖÐÐÔµã½ÓµØ·½Ê½È·¶¨¡£Ö÷±äѹÆ÷ºÍ·¢µç»úÖÐÐÔµã×°ÉèÏû»¡ÏßȦµÄÌõ¼þ¼ûµÚ¶þÕÂÖÐÐÔµã½ÓµØ·½Ê½µÄÓйØÄÚÈÝ¡£

£¨1£©Ïû»¡ÏßȦµÄÈÝÁ¿Ñ¡Ôñ¡£

ÔÚÑ¡ÔñÏû»¡ÏßȦʱ£¬³ý°´¹ý²¹³¥·½Ê½¿¼ÂÇÍ⣬»¹Ó¦¿¼ÂÇÅäµçÍø5¡«10ÄêµÄ·¢Õ¹Ô¶¾°£¬Ïû»¡ÏßȦµÄ²¹³¥µçÁ÷Ò»°ã°´IL£½1.1IC¿¼ÂÇ¡£¸ù¾ÝÉÏÊöÔ­Ôò£¬Ïû»¡ÏßȦµÄ²¹³¥ÈÝÁ¿£¬Ò»°ã°´ÏÂʽ¼ÆË㣺

Wh?1.35ICUN £¨14-56£© 3ʽÖУºWh¡ª²¹³¥ÈÝÁ¿£¬£¨kVA£©£»

UN¡ªµçÍø»ò·¢µç»ú»Ø·µÄ¶î¶¨Ïßµçѹ£¬£¨kV£©£» IC¡ªµçÍø»ò·¢µç»ú»Ø·µÄ½ÓµØµçÈݵçÁ÷£¬£¨A£©¡£

°²×°ÔÚY0£¯¡÷½ÓÏßË«ÈÆ×é±äѹÆ÷»òY0£¯Y0£¯¡÷½ÓÏßÈýÈÆ×é±äѹÆ÷ÖÐÐÔµãÉϵÄÏû»¡ÏßȦµÄÈÝÁ¿£¬²»Ó¦³¬¹ý±äѹÆ÷ÈýÏà×ÜÈÝÁ¿µÄ50£¥£¬²¢²»µÃ´óÓÚÈýÈÆ×é±äѹÆ÷ÈÎÒ»ÈÆ×éµÄÈÝÁ¿¡£

319

°²×°ÔÚY0£¯Y½ÓÏßµÄÄÚÌúо»ò±äѹÆ÷ÖÐÐÔµãÉϵÄÏû»¡ÏßȦÈÝÁ¿£¬²»Ó¦³¬¹ý±äѹÆ÷ÈýÏà×ÜÈÝÁ¿µÄ20£¥¡£

Ïû»¡ÏßȦµÄ·Ö½ÓÍ·ÊýÁ¿Ó¦Âú×ãµ÷½ÚÍÑг¶ÈµÄÒªÇ󣬽ÓÓÚ±äѹÆ÷µÄÒ»°ã²»Ð¡ÓÚ5¸ö£¬½ÓÓÚ·¢µç»úµÄ×îºÃ²»µÍÓÚ9¸ö¡£

£¨2£©µçÈݵçÁ÷¼ÆËã¡£

1£©¼Ü¿ÕÏß·ºÍµçÀÂÏß·µÄµ¥Ïà½ÓµØµçÈݵçÁ÷IC1ʵÓüÆËã¿É°´ÏÂʽ¼ÆË㣺

IC1?U(?l1?35?l2)350 £¨14-57£©

ʽÖУºl1£­¼Ü¿ÕÏß·µÄ³¤¶È£¬£¨km£©£»

l2£­µçÀÂÏß·µÄ³¤¶È£¬£¨km£©£» IC1£­³öÏß×ܵçÈݵçÁ÷£¬£¨A£©¡£ 2£©±äµçÉ豸µÄµçÁ÷ÔöÖµIC2

±äµçÉ豸µÄµçÁ÷ÔöÖµ¿É°´ÏÂʽ¼ÆË㣺

IC2£½K IC1 £¨14-58£©

KΪ¸½¼ÓֵϵÊý¡£ÆäÈ¡Öµ¿É²Î¿¼±í14£­15

±í14£­15 ±äµçÉ豸Ôö¼ÓµÄ½ÓµØµçÈݵçÁ÷ֵϵÊý ¶î¶¨µçѹ£¨kV£© ¸½¼ÓֵϵÊý£¨£¥£© 6 18 10 16 15 15 35 13 63 12 110 10 3£©È«Íø×ܵçÈݵçÁ÷IC¡£

È«Íø×ܵçÈݵçÁ÷IC£½IC1£«IC2 £¨3£©ÖÐÐÔµãλÒÆУÑé¡£

ÖÐÐԵ㾭Ïû»¡ÏßȦ½ÓµØµÄµçÍø£¬ÖÐÐÔµãλÒƵçѹ²»Ó¦³¬¹ý15£¥£»ÖÐÐԵ㾭Ïû»¡ÏßȦ½ÓµØµÄ·¢µç»ú£¬ÖÐÐÔµãλÒƵçѹ²»Ó¦³¬¹ý10£¥¡£UNΪËùÔÚµçÍøÏßµçѹ¶î¶¨Öµ¡£ÖÐÐÔµãλÒƵçѹUnÒ»°ã°´ÏÂʽ¼ÆË㣺

Un??Uphd?v22 £¨14-59£©

ʽÖУº¦Ñ£­µçÍøµÄ²»¶Ô³ÆϵÊý£¬Ò»°ãÈ¡0.8£»

Uph£­Ïû»¡ÏßȦͶÈëÇ°£¬µçÍø»ò·¢µç»ú»Ø·µÄÏàµçѹ£»

V£­ÍÑг¶È£¬??IC?IL?100%£» ICd£­×èÄáÂÊ£¬Ò»°ãÈ¡3£¥¡«5£¥¡£Í¨³£Çé¿öÏÂv£½0.15×óÓÒ£¬v2ÊÇd2µÄ9±¶ÒÔÉÏ£¬½üËƼÆËãʱ¿ÉºöÂÔd2µÄÓ°Ïì¡£

Àý14£­6 ÓÐÒ»½µÑ¹±äµçÕ¾£¬ÓÉÁ½Ì¨±äѹÆ÷¹©µç£¬10kV¹²ÓÐ6»Ø¼Ü¿Õ³öÏߺÍ4»ØµçÀ³öÏߣ¬ÆäÖмܿÕÏß·×ܳ¤¶ÈΪ160km£¬µçÀÂÏß·×ܳ¤¶È30km£¬ÊÔÑ¡Ôñ±äѹÆ÷10kV²àµÄÏû

320

»¡ÏßȦ¡£

½â£º£¨1£©¼ÆËãÈ«ÍøµçÈݵçÁ÷¡£

¼Ü¿ÕÏß·¼°µçÀÂÏß· IC1?U(?l1?35?l2)10(160?35?30)==34.57£¨A£©

350350±äµçÉ豸µÄµçÁ÷ÔöÖµ IC2?34.57?16%=5.53£¨A£© ×ܵĵçÈݵçÁ÷ IC?IC1?IC2?34.57?5.53?40.1£¨A£©

ÓÉÓÚIC£¾30A£¬±ØÐë×°ÉèÏû»¡ÏßȦ½øÐв¹³¥¡£ £¨2£©È·¶¨Ïû»¡ÏßȦµÄÈÝÁ¿ºĮ́Êý¡£ ¼ÆËãÏû»¡ÏßȦµÄÈÝÁ¿

10£¥¡ÁWh?1.35IcUN10?1.35?35.187??274.25 £¨kVA£© 33Wh?1.35IcUN10?1.35?40.1??312.54£¨KVA£© 33²éÊéºó¸½±í¢ö£­1ѡһ̨ZTJD6£­315ÖÇÄܽӵز¹³¥×°Öã¨Ïû»¡ÏßȦ£©£¬ÈÝÁ¿Îª315kVA£¬

Óë¼ÆËãÊý¾Ý×î½Ó½ü¡£ZTJD6£­160Ïû»¡ÏßȦ²¹³¥µçÁ÷Ϊ30~87A£¬ÓÉÓÚ¸ÃÏû»¡ÏßȦ¿É×Ô¶¯µ÷Э£¬¿É±£Ö¤ÍÑг¶È²»³¬¹ý10%¡£

£¨3£©ÖÐÐÔµãλÒƵçѹ¼ÆËã¡£

ÖÐÐÔµãλÒƵçѹΪ£ºUn?¼´Un?15%Uph

ÓÉÉÏÊö¼ÆËã¿ÉÖª£¬Ñ¡ÔñÕâÁ½Ì¨Ïû»¡ÏßȦºó£¬ÖÐÐÔµãµÄλÒƵçѹ²»»á³¬³ö15%ÔÊÐíµÄ·¶Î§£¬Âú×ã²¹³¥ÒªÇó¡£

2.½ÓµØµç×èµÄÑ¡Ôñ

£¨1£©ÖÐÐԵ㾭¸ß×è½ÓµØ·½Ê½µç×èµÄÑ¡Ôñ¡£ 1£©¾­¸ß×èÖ±½Ó½ÓµØ·½Ê½¡£

µç×èµÄ¶î¶¨µçѹ£º UR?1.05??Uphd?v22?0.8Uph0.05?0.122?7.16%Uph

UNs £¨14-60£© 3µç×èÖµ£º R?UNsIR3?103?UNsKIC3?103 £¨14-61£©

321

µç×蹦ÂÊ£º PR?ʽÖУºR¡ªÖÐÐÔµã½ÓµØµç×èÖµ£¬£¨¦¸£©£»

UNs?IR £¨14-62£© 3£¨k V£©£» UNs¡ªÏµÍ³¶î¶¨Ïßµçѹ£¬£¨kV£©£» UR¡ªµç×è¶î¶¨µçѹ£¬£¨A£©£» IR¡ªµç×èµçÁ÷£¬

£¨A£©£» IC¡ªÏµÍ³µ¥Ïà¶ÔµØ¶Ì·ʱµçÈݵçÁ÷£¬

K¡ªµ¥Ïà¶ÔµØ¶Ì·ʱµç×èµçÁ÷ÓëµçÈݵçÁ÷µÄ±ÈÖµ£¬Ò»°ãÈ¡1.1¡£

2£©¾­µ¥ÏàÅäµç±äѹÆ÷½ÓµØ·½Ê½¡£

µç×èµÄ¶î¶¨µçѹӦ²»Ð¡ÓÚ±äѹÆ÷¶þ´Î²àµçѹ£¬Ò»°ãÑ¡ÓÃ110V»ò220V¡£ µç×èÖµ£º RN2UNs?103? £¨14-63£© 21.1?3ICn?2UNsµç×蹦ÂÊ£ºPR?IR2?UR2?10????103 £¨14-64£©

3n?RN23n?3n?RN2?3UNs?103UNsn??UNs?1033UN2 ʽÖУºn?¡ª½µÑ¹±äѹÆ÷Ò»¡¢¶þ´ÎÖ®¼äµÄ±ä±È£» IR2¡ª¶þ´Îµç×èÉÏÁ÷¹ýµÄµçÁ÷£¬£¨A£©£» UN2¡ªµ¥ÏàÅäµç±äѹÆ÷µÄ¶þ´Îµçѹ£¬£¨V£©£»

RN2¡ª¼ä½Ó½ÓÈëµç×èÖµ£¬£¨¦¸£©¡£

£¨2£©ÖÐÐԵ㾭µÍ×è½ÓµØ·½Ê½µç×èµÄÑ¡Ôñ¡£ µç×èµÄ¶î¶¨µçѹ£º UR?1.05?UNs £¨14-65£© 3 £¨14-66£©

µç×èÖµ£º RN?UNs3Idµç×蹦ÂÊ£º P£¨14-67£© R?Id?UR ʽÖУºRN£­ÖÐÐÔµã½ÓµØµç×èÖµ£¬£¨¦¸£©£»

Id£­Ñ¡¶¨µÄµ¥Ïà½ÓµØµçÁ÷£¬£¨A£©¡£

3.½ÓµØ±äѹÆ÷µÄÑ¡Ôñ

½ÓµØ±äѹÆ÷Ó¦°´ÐÍʽ¡¢ÈÆ×éµçѹ¡¢¾øԵˮƽ¡¢ÈÝÁ¿µÈÀ´½øÐÐÑ¡Ôñ£¬²¢Ó¦Âú×ã»·¾³Ìõ¼þ

322

µÄÒªÇó¡£

£¨1£©½ÓµØ±äѹÆ÷¶î¶¨µçѹµÄÈ·¶¨¡£

°²×°ÔÚ·¢µç»ú»ò±äѹÆ÷ÖÐÐÔµãµÄµ¥Ïà½ÓµØ±äѹÆ÷¶î¶¨Ò»´ÎµçѹΪ£º

UNb?UN £¨14-68£©

ʽÖУºUN£­·¢µç»ú»ò±äѹÆ÷¶î¶¨Ò»´ÎÏßµçѹ£¬kV¡£

½ÓÓÚϵͳĸÏßµÄÈýÏà½ÓµØ±äѹÆ÷¶î¶¨Ò»´Î²àµçѹӦÓëϵͳ¶î¶¨µçѹһÖ¡£½ÓµØ±äѹÆ÷¶þ´Î²àµçѹ¿É¸ù¾Ý¸ºÔØÌØÐÔÈ·¶¨¡£

£¨2£©½ÓµØ±äѹÆ÷µÄ¾øԵˮƽ¡£½ÓµØ±äѹÆ÷µÄ¾øԵˮƽӦÓëÁ¬½ÓϵͳµÄ¾øԵˮƽһÖ¡£ £¨3£©½ÓµØ±äѹÆ÷¶î¶¨ÈÝÁ¿µÄÈ·¶¨¡£ 1£©¶ÔÓÚµ¥Ïà½ÓµØ±äѹÆ÷£¨kVA£©¡£

SN?UN1U2I2?I2 £¨14-69£© K3Kn?ʽÖУºU2£­½ÓµØ±äѹÆ÷¶þ´Î²àµçѹ£¬kV£» I2£­¶þ´Î²àµç×èµçÁ÷£¬A£»

K£­±äѹÆ÷µÄ¹ý¸ººÉϵÊý£¨ÓɱäѹÆ÷ÖÆÔ쳧Ìṩ£©¡£

£¨2£©¶ÔÓÚÈýÏà½ÓµØ±äѹÆ÷

Æä¶î¶¨ÈÝÁ¿Ó¦ÓëÆäÖÐÐÔµãµÄÏû»¡ÏßȦ»ò½ÓµØµç×èÈÝÁ¿ÏàÆ¥Åä¡£Èô´øÓжþ´Î¸ºÔØ£¬»¹Ó¦¿¼ÂǶþ´Î¸ººÉÈÝÁ¿¡£

¶ÔÓÚZÐÍ»òYNd½ÓÏßÈýÏà½ÓµØ±äѹÆ÷£¬ÈôÖÐÐÔµã½ÓÏû»¡ÏßȦ£¬½ÓµØ±äѹÆ÷ÈÝÁ¿Îª£º

SN?Qx SN?Pr £¨14-70£©

ʽÖУºQx£­Ïû»¡ÏßȦ¶î¶¨ÈÝÁ¿£»

Pr£­½ÓµØµç×è¶î¶¨ÈÝÁ¿¡£

¶ÔÓÚY/¿ª¿Úd½ÓÏߵĽӵرäѹÆ÷£¨Èý̨µ¥Ïࣩ£¬ÈôÖÐÐÔµã½ÓÏû»¡ÏßȦ»òµç×裬½ÓµØ±äѹÆ÷ÈÝÁ¿Îª£º

SN?3Qx/3 SN?3Pr/3 £¨14-71£©

4.±ÜÀ×Æ÷µÄÑ¡Ôñ

£¨1£©ÖÐÐÔµã·ÇÖ±½ÓµØϵͳ·§ÐͱÜÀ×Æ÷µÄÑ¡Ôñ¡£

ÔÚÖÐÐÔµã·ÇÖ±½ÓµØϵͳÖУ¬Ñ¡Ôñ±äѹÆ÷ÖÐÐԵ㷧ÐͱÜÀ×Æ÷Ó¦Âú×ãÏÂÁÐÌõ¼þ£º

1£©Ã𻡵çѹUm£º Um>Uphmax £¨14-72£© ʽÖУºUphmax£­ÏµÍ³×î¸ßÏàµçѹ¡£

2£©¹¤Æµ·ÅµçµçѹÏÂÏÞUgfx£º Ugfx> Ung £¨14-73£© ʽÖУºUng£­ÄÚ¹ýµçѹˮƽ£¬35¡«63kVÈ¡2.67 Uphmax£»110¡«154kVÈ¡2.33 Uphmax¡£

3£©¹¤Æµ·ÅµçµçѹÉÏÏÞUxg£º Uxg<1.15 Ugs £¨14-74£© ʽÖУºUgs¡ª¡ª±äѹÆ÷ÄÚ¾øÔµÒ»·ÖÖÓ¹¤ÆµÊÔÑéµçѹ¡£

323

4£©5kAʱµÄ²ÐѹUbc5£º Ubc5£¼1Ucs £¨14-75£© KʽÖУºUbc5£­±ÜÀ×Æ÷ÔÚ5kAʱµÄ²Ðѹ£»

Ucs£­±äѹÆ÷ÄÚ¾øÔµ³å»÷ÊÔÑéµçѹ£» K£­ÅäºÏϵÊý¡£¿¼Âǵ½Á÷¹ýÖÐÐÔµã±ÜÀ×Æ÷µÄµçÁ÷½ÏСºÍ±ÜÀ×Æ÷¾à±äѹÆ÷½Ï½üµÈÒòËØ£¬¶ÔÆÕͨ·§ÐͱÜÀ×Æ÷È¡K=1.1£»¶Ô´Å´µ·§ÐͱÜÀ×Æ÷È¡K=1.23¡£

±£»¤±äѹÆ÷ÖÐÐÔµã¾øÔµµÄ·§ÐͱÜÀ×Æ÷ÐÍʽ£¬¿É°´±í14£­16Ñ¡Ôñ¡£

±í14£­16 ÖÐÐÔµã·ÇÖ±½Ó½ÓµØϵͳÖб£»¤±äѹÆ÷ÖÐÐÔµã¾øÔµµÄ·§ÐͱÜÀ×Æ÷ ±äѹÆ÷¶î¶¨µçѹ£¨kV£© 35 FZ¡ª15+FZ¡ª10 ±ÜÀ×ÐÍʽ FZ¡ª30 FZ¡ª35 63 FZ¡ª40 FZ¡ª60 110 FZ¡ª110J 4¡ÁFZ¡ª15 ×¢£º ±ÜÀ×Æ÷ÉÐÓ¦ÓëÏû»¡ÏßȦµÄ¾øԵˮƽÏàÅäºÏ¡£

£¨2£©ÖÐÐÔµãÖ±½Ó½ÓµØϵͳ·§ÐͱÜÀ×Æ÷µÄÑ¡Ôñ¡£

ÔÚÖÐÐÔµãÖ±½Ó½ÓµØϵͳÖУ¬Ñ¡Ôñ±äѹÆ÷ÖÐÐԵ㷧ÐͱÜÀ×Æ÷Ó¦Âú×ãÏÂÁÐÌõ¼þ£º

1£©Ã𻡵çѹUm£º Um>Uphmax £¨14-76£© 2£©¹¤Æµ·ÅµçµçѹÏÂÏÞUgfx£º Ugfx > 1.68Uphmax £¨14-77£©

3£©¹¤Æµ·ÅµçµçѹÉÏÏÞUxgºÍ²ÐѹUbc5µÄÑ¡ÔñÓ루1£©Í¬¡£ ·§ÐͱÜÀ×Æ÷µÄÐÍʽ¿É°´±í14£­17Ñ¡Ôñ¡£

±í14£­17 ÖÐÐÔµãÖ±½Ó½ÓµØϵͳÖб£»¤±äѹÆ÷ÖÐÐÔµã¾øÔµµÄ±ÜÀ×Æ÷ ±äѹÆ÷¶î¶¨µçѹ ÖÐÐÔµã¾øÔµµÈ¼¶ 110 kV 110kV¼¶ FZ¡ª110J FZ£­60 35kV¼¶ ÔÝÓÃFZ¡ª40ÍƼöÓÃÑõ»¯Ð¿±ÜÀ×Æ÷ 220 kV 110kV¼¶ 330 kV <154kV¼¶ 154kV¼¶ FCZ¡ª154J FZ¡ª154J 500 kV <220kV¼¶ ÍƼöÓÃÑõ»¯Ð¿±ÜÀ×Æ÷ п±ÜÀ×ÐÍʽ FCZ¡ª110 ÍƼöÓÃÑõ»¯Ð¿FZ¡ª110J ±ÜÀ×Æ÷ ×¢£ºÈçʹÓÃͬÆÚÐÔÄܲ»Á¼µÄ¶Ï·Æ÷£¨ÈýÏà·ÖºÏÕ¢·ÇͬÆÚʱ¼ä³¬¹ý10ms£©£¬¶ÔÖÐÐÔµãΪ·Ö¼¶¾øÔµµÄ220kV±äѹÆ÷£¬±ÜÀ×Æ÷ÅÔÒËÔöÉè°ôÐͱ£»¤¼ä϶ÓëÆä²¢Áª£¬¼ä϶¿É²ÉÓÃ250¡«350mm¡£

£¨3£©Ñõ»¯Ð¿±ÜÀ×Æ÷µÄÑ¡Ôñ¡£

±äѹÆ÷ÖÐÐÔµãÓùú²úÑõ»¯Ð¿±ÜÀ×Æ÷£¬¼¼Êõ²ÎÊý¼û¸½Â¼¢÷£­3¡¢¢÷£­4£¬ÆäËû²ÎÊýÔÚ¹¤³ÌÖпÉÔÝ°´ÏÂÊöÔ­ÔòÑ¡Ôñ£º

1£©±äѹÆ÷ÖÐÐÔµã¾øÔµµÄ³å»÷ÊÔÑéµçѹÓëÑõ»¯Ð¿±ÜÀ×Æ÷1kAÀ×µç³å»÷²Ðѹ֮¼äÓ¦ÖÁÉÙÓÐ20£¥µÄÔ£¶È¡£

2£©±äѹÆ÷ÖÐÐÔµã¾øÔµµÄ¹¤ÆµÊÔÑéµçѹ³ËÒÔ³å»÷ϵÊýºóÓëÑõ»¯Ð¿±ÜÀ×Æ÷µÄ²Ù×÷³å»÷µçÁ÷ϵIJÐѹ֮¼äÓ¦ÓÐ15£¥µÄÔ£¶È¡£

3£©Ñõ»¯Ð¿±ÜÀ×Æ÷µÄ¶î¶¨µçѹ²»Ó¦µÍÓÚϵͳ×î¸ßÏàµçѹUphmax£¬ÈçÓÐÀ§ÄÑʱ£¬ÖÁÉÙ²»Ó¦µÍÓÚ0.6Uphmax¡£

324

µÚËÄ½Ú µ¼ÌåºÍ¾øÔµ×ÓµÄÑ¡Ôñ

Ò»¡¢Ä¸ÏßµÄÑ¡Ôñ

1.µ¼Ìå²ÄÁÏ¡¢ÀàÐͺͲ¼Ö÷½Ê½

Ò»°ã²ÉÓÃÂÁ»òÂÁºÏ½ð²ÄÁÏ×÷Ϊµ¼Ìå²ÄÁÏ¡£³£ÓõÄÈíµ¼ÏßÓиÖоÂÁ½ÊÏß¡¢×éºÏµ¼Ïß¡¢·ÖÁѵ¼ÏߺÍÀ©¾¶µ¼Ïߣ¬ºóÕ߶àÓÃÓÚ330kV¼°ÒÔÉϵÄÅäµç×°Öá£

¾ØÐε¼ÌåÒ»°ãÖ»ÓÃÓÚ35kV¼°ÒÔÏ£¬µçÁ÷ÔÚ4000A¼°ÒÔϵÄÅäµç×°ÖÃÖС£²ÛÐε¼ÌåÒ»°ãÓÃÓÚ4000¡«8000AµÄÅäµç×°ÖÃÖС£¹ÜÐε¼ÌåÓÃÓÚ8000AÒÔÉϵĴóµçÁ÷ĸÏߣ¬»òÓÃÔÚ110kV¼°ÒÔÉϵÄÅäµç×°ÖÃÖС£

µ¼ÌåµÄÉ¢ÈȺͻúеǿ¶ÈÓëµ¼Ìå²¼Ö÷½Ê½Óйء£µ¼ÌåµÄ²¼Ö÷½Ê½Ó¦¸ù¾ÝÔØÁ÷Á¿µÄ´óС¡¢¶Ì·µçÁ÷ˮƽºÍÅäµç×°ÖõľßÌåÇé¿ö¶ø¶¨¡£

2.µ¼Ìå½ØÃæÑ¡Ôñ

µ¼Ìå½ØÃæ¿É°´³¤ÆÚ·¢ÈÈÔÊÐíµçÁ÷»ò¾­¼ÃµçÁ÷ÃܶÈÑ¡Ôñ¡£³ýÅäµç×°ÖõĻãÁ÷ĸÏßÍ⣬¶ÔÓÚÄ긺ºÉÀûÓÃСʱÊý´ó¡¢´«ÊäÈÝÁ¿´ó¡¢³¤¶ÈÔÚ20mÒÔÉϵĵ¼Ì壬Æä½ØÃæÒ»°ã°´¾­¼ÃµçÁ÷ÃܶÈÀ´Ñ¡Ôñ¡£

£¨1£©°´µ¼Ì峤ÆÚ·¢ÈÈÔÊÐíµçÁ÷Ñ¡Ôñ¡£

Æä¼ÆËãʽΪ£º KIa1?Ima x £¨14-78£©Ê½ÖУºImax£­µ¼ÌåËùÔڻطÖеÄ×î´ó³ÖÐø¹¤×÷µçÁ÷£» Ia1£­Ôڶ»·¾³Î¶ȦÈ0=25¡æʱµ¼ÌåÔÊÐíµçÁ÷£»

K£­Óëʵ¼ÊζȺͺ£°ÎÓйصÄ×ÛºÏÐÞÕýϵÊý£¬¿ÉÔÚ¸½Â¼²éÕÒ¡£ £¨2£©°´¾­¼ÃµçÁ÷ÃܶÈÑ¡Ôñ¡£

°´¾­¼ÃµçÁ÷ÃܶÈÑ¡Ôñµ¼Ìå½ØÃæ¿ÉʹÄê¼ÆËã·ÑÓÃ×îµÍ¡£¶Ô²»Í¬µÄµ¼ÌåÖÖÀàºÍ²»Í¬µÄ×î´ó¸ººÉÀûÓÃСʱÊýTmax£¬½«ÓÐÒ»¸öÄê¼ÆËã·ÑÓÃ×îµÍµÄµçÁ÷Ãܶȣ¬³ÆΪ¾­¼ÃµçÁ÷ÃܶÈJ£¬¸÷ÖÖÂÁµ¼ÌåµÄ¾­¼ÃµçÁ÷ÃܶÈÈçͼ14£­10Ëùʾ¡£

µ¼ÌåµÄ¾­¼Ã½ØÃ棺 S?Imax £¨14-79£©

fʽÖУºImax£­Õý³£¹¤×÷ʱµÄ×î´ó³ÖÐø¹¤×÷µçÁ÷¡£

Ó¦¾¡Á¿Ñ¡Ôñ½Ó½üÉÏʽ¼ÆËãµÄ±ê×¼½ØÃ棬µ±ÎÞºÏÊʹæ¸ñµÄµ¼Ìåʱ£¬Îª½ÚԼͶ×Ê£¬ÔÊÐíÑ¡ÔñСÓÚ¾­¼Ã½ØÃæµÄµ¼Ìå¡£°´¾­¼ÃµçÁ÷ÃܶÈÑ¡ÔñµÄµ¼Ìå½ØÃæµÄÔÊÐíµçÁ÷»¹±ØÐëÂú×ãÉÏʽµÄÒªÇó¡£

ͼ14£­10 ¾­¼ÃµçÁ÷ÃܶÈ

325

3.µçÔεçѹУÑé

µçÔηŵ罫ÒýÆðµçÔÎËðºÄ¡¢ÎÞÏßµç¸ÉÈÅ¡¢ÔëÉùºÍ½ðÊô¸¯Ê´µÈÐí¶à²»ÀûÓ°Ïì¡£¶ÔÓÚ110kV¼°ÒÔÉÏÂãµ¼Ìå¿É°´ÇçÌì²»·¢ÉúÈ«ÃæÔÎÌõ¼þУÑ飬¼´Âãµ¼µÄÁÙ½çµçѹUcrÓ¦´óÓÚ×î¸ß¹¤×÷µçѹUmax£¬¼´£º

Ucr>Umax £¨14-80£©

µ±ËùÑ¡Èíµ¼ÏßÐͺź͹ÜÐε¼ÌåÍ⾶´óÓÚ»òµÈÓÚÏÂÁÐÊýֵʱ£¬¿É²»½øÐеçÔÎУÑ飺 110kV£¬LGJ£­70£¯¦Õ20£»220kY£¬LGJ£­300£¯¦Õ30¡£

4.ÈÈÎȶ¨Ð£Ñé

ÔÚУÑéµ¼ÌåÈÈÎȶ¨Ê±£¬Èô¼Æ¼°¼¯·ôЧӦϵÊýKsµÄÓ°Ï죬ÓÉÈÈÎȶ¨¾ö¶¨µÄµ¼Ìå×îС½ØÃæ

Ϊ£º Smin?QkKs/(Ak?Ai)?QkKs/C £¨14-81£© ʽÖУºC£­ÈÈÎȶ¨ÏµÊý£¬C£½Ak£­Ai£¬CÖµ£¨¼û±í14£­18£©Óëµ¼Ìå²ÄÁϼ°¹¤×÷ζÈÓйء£ËùÑ¡½ØÃæÓ¦´óÓÚµÈÓÚSmax¡£

±í14£­18 ²»Í¬¹¤×÷ζÈÏÂÂãµ¼ÌåµÄCÖµ ¹¤×÷ÎÂ¶È Ó²ÂÁ¼°ÂÁÃ̺Ͻð Ӳͭ 40 99 186 45 97 183 50 95 181 55 93 179 60 91 176 65 89 174 70 87 171 75 85 169 80 83 166 85 82 164 90 81 161 5.Ó²µ¼ÌåµÄ¶¯Îȶ¨Ð£Ñé

¸÷ÖÖÐÎ×´µÄÓ²µ¼Ìåͨ³£¶¼°²×°ÔÚÖ§Öù¾øÔµ×ÓÉÏ£¬¶Ì·³å»÷µçÁ÷²úÉúµÄµç¶¯Á¦½«Ê¹µ¼Ìå·¢ÉúÍäÇú£¬Òò´Ë£¬µ¼ÌåÓ¦°´ÍäÇúÇé¿ö½øÐÐÓ¦Á¦¼ÆËã¡£

¾ØÐε¼ÌåÓ¦Á¦¼ÆË㣺°üÀ¨µ¥Ìõ¾ØÐε¼ÌåºÍ¶àÌõ¾ØÐε¼ÌåÁ½ÖÖ¡£ £¨1£©µ¥Ìõ¾ØÐε¼Ìå¹¹³ÉĸÏßµÄÓ¦Á¦¼ÆËã¡£

°´ÕÕµ¼ÌåÔÚÖ§Öù¾øÔµ×ÓÉϹ̶¨µÄÐÎʽ£¬Í¨³£¼Ù¶¨µ¼ÌåΪ×ÔÓÉÖ§³ÅÔÚ¾øÔµ×ÓÉϵĶà¿ç¾à¡¢ÔÈÔغÉÁº¡£Ôڵ綯Á¦µÄ×÷ÓÃÏ£¬µ¼ÌåËùÊܵÄ×î´óÍä¾ØMΪ£º

M?fPhl2/10 £¨14-82£©

ʽÖУºfPh£­µ¥Î»³¤¶Èµ¼ÌåÉÏËùÊÜÏà¼äµç¶¯Á¦£¬N£¯m£»

l£­Ö§³Öµ¼ÌåµÄÖ§Öù¾øÔµ×Ó¼äµÄ¿ç¾à£¬m¡£ µ±¿ç¾àÊýµÈÓÚ2ʱ£¬µ¼ÌåËùÊÜ×î´óÍä¾àΪ

M?fPhl2/8 £¨14-83£©

µ¼Ìå×î´óÏà¼ä¼ÆËãÓ¦Á¦

?Ph?MW?fPhl2/?10W?£¨Pa£© £¨14-84£©

ʽÖУºW£­µ¼Ìå¶Ô´¹Ö±ÓÚ×÷ÓÃÁ¦·½ÏòÖáµÄ½ØÃæϵÊý£¬¼û±í14£­19¡£

Çó³öµÄµ¼ÌåÓ¦Á¦²»Ó¦³¬¹ýµ¼Ìå²ÄÁÏÔÊÐíÓ¦Á¦ºÍµ¼Ì壨¼û±í14£­20£©£¬¼´£º

?Ph??p £¨Pa£© £¨14£­85£©

±í14£­20 µ¼Ìå×î´óÔÊÐíÓ¦Á¦ µ¼Ìå²ÄÁÏ Ó²ÂÁ Ӳͭ ×î´óÔÊÐíÓ¦Á¦£¨Pa£© 70¡Á106 140¡Á106?Ph 326

±í14£­19 µ¼Ìå½ØÃæϵÊý

ΪÁ˱ãÓÚ¼ÆËãºÍÊ©¹¤£¬Éè¼ÆÖг£¸ù¾Ý²ÄÁÏ×î´óÔÊÐíÓ¦Á¦?a1À´È·¶¨¾øÔµ×Ó¼ä×î´óÔÊÐí¿ç¾à£¬¼´Áî?Ph??a1ÓÉÉÏʽ¿ÉµÃ£º

lmax?10?a1W/fph£¨m£© £¨14-86£©

µ±¾ØÐε¼Ìåƽ·Åʱ£¬Îª±ÜÃâµ¼ÌåÒò×ÔÖضø¹ý·ÖÍäÇú£¬ËùÑ¡¿ç¾àÒ»°ã²»³¬¹ý1.5¡«2m¡£¿¼Âǵ½¾øÔµ×ÓÖ§×ù¼°ÒýÏÂÏß°²×°·½±ã£¬ÈýÏàˮƽ²¼ÖõĻãÁ÷ĸÏß¾øÔµ×Ó¿ç¾à³£È¡µÈµ±Åäµç×°Öüä¸ô¿í¶È¡£

£¨2£©¶àÌõ¾ØÐε¼Ìå¹¹³ÉĸÏßµÄÓ¦Á¦¼ÆËã¡£

µ±Í¬ÏàĸÏßÓɶàÌõ¾ØÐε¼Ìå×é³Éʱ£¬Ä¸ÏßÖÐ×î´ó»úеӦÁ¦ÓÉÏà¼äÓ¦Á¦?phºÍͬÏàÌõ¼äÓ¦Á¦?bµþ¼Ó¶ø³É£¬¼´£º

?max??ph??b £¨14-87£©

ʽÖÐÏà¼äÓ¦Á¦?phÈÔÓÃʽ£¨14£­84£©¼ÆË㣬µ«WӦΪ¶àÌõ×éºÏµ¼ÌåµÄ½ØÃæϵÊý£¨¼û±í14£­19£©¡£

¼ÆËãÌõ¼ä×÷ÓÃÁ¦fbʱ£¬Ó¦×¢ÒâͬÏà¸÷Ìõµ¼ÌåµÄÐÎ״ϵÊý¼°µçÁ÷·ÖÅä¡£µ±Í¬ÏàÓÉË«Ìõµ¼Ìå×é³Éʱ£¬¿ÉÒÔÈÏΪÏàµçÁ÷ÔÚÁ½ÌõÖÐƽ¾ù·ÖÅ䣻ÈôͬÏàÓÐÈýÌõµ¼Ìå×é³Éʱ£¬¿ÉÒÔÈÏΪÖмäÌõͨ¹ý20£¥ÏàµçÁ÷£¬Á½²àÌõ¸÷ͨ¹ý40£¥ÏàµçÁ÷¡£µ±Ìõ¼äÖÐÐľàÀëΪ2bʱ£¬¿ÉÒÔËã³öÌõ¼ä×÷ÓÃÁ¦¡£µ±Í¬ÏàΪ¶þÌõµ¼ÌåʱΪ£º

fb?2k12?0.5ik?211?10?7?2.5k12i2k?10?8 (N/m) £¨14-88£© 2b2b1?10 (N/m) £¨14-89£© bµ±Ã¿ÏàΪ3Ìõʱ£¬±ßÌõÊÜÁ¦×î´ó¡£Ìõ1ÊÜÁ¦ÎªÌõ2¡¢3¶ÔÌõ1×÷ÓÃÁ¦Ö®ºÍ£º

2fb?fb1~b2?fb1~b3?8?K12?K13?ikÉÏÃæ¶þʽÖÐK12K13¡ª¡ªÌõ1¡¢2ºÍÌõ1¡¢3µÄ½ØÃæÐÎ״ϵÊý£¨¼ûͼ14£­1£©¡£

ÓÉÓÚͬÏàÌõ¼ä¾àÀëºÜ½ü£¬Ìõ¼ä×÷ÓÃÁ¦´ó£¬ÎªÁ˼õÉÙ?b£¬Ìõ¼äͨ³£ÉèÓгĵ棨ÂÝ˨£©¡£ÎªÁË·ÀֹͬÏà¸÷Ìõ¾ØÐε¼ÌåÔÚÌõ¼ä×÷ÓÃÁ¦Ï²úÉúÍäÇú¶ø»¥Ïà½Ó´¥£¬µæ¼äÔÊÐíµÄ×î´ó¿ç¾à¡ª

327

ÁÙ½ç¿ç¾àlcr£¬¿ÉÓÉÏÂʽ¾ö¶¨£¬¼´£º

lcr??b4hfb ?m? £¨14-90£©

ʽÖУºb¡¢h£­¾ØÐε¼ÌåµÄ¿íºÍ¸ß£¬m£»

¦Ë£­ÏµÊý£¬Í­£ºË«ÌõΪ1774£¬ÈýÌõΪ1355£»ÂÁ£ºË«ÌõΪ1003£¬ÈýÌõΪ1197¡£

ËùÑ¡³Äµæ¿ç¾àÓ¦Âú×ãlb

¸ù¾Ýµ¼Ìå½á¹¹Çé¿ö£¬±ßÌõµ¼ÌåËùÊÜÍä¾Ø¿É°´Á½¶Ë¹Ì¶¨µÄÔÈÔغÉÁº¼ÆË㣬¼´£º

2Mb?fblb/12 £¨N.m£© £¨14-91£©

Ìõ¼ä×÷ÓÃÓ¦Á¦£º

2?b?MbW?fblb12W (Pa) £¨14-92£©

ÒòΪ´¹Ö±ÓÚÌõ¼ä×÷ÓÃÁ¦µÄ½ØÃæϵÊýW=b2h£¯6£¬¹ÊÉÏʽ¿Éд³É£º

?b?fblb2?2b2h? £¨Pa£© £¨14-93£©

Èô¶àÌõµ¼Ìå×é³ÉĸÏßµÄ×î´óÓ¦Á¦£¬?max??ph??b??al£¬ÔòĸÏßÂú×㶯Îȶ¨ÒªÇó¡£ ÎªÁ˼ò»¯¼ÆË㣬Ҳ¿É¸ù¾ÝÌõ¼äÔÊÐíÓ¦Á¦?bal£¨ÆäֵΪ?al??ph£©À´¾ö¶¨×î´óÔÊÐí³Äµæ

¼ä¿ç¾à£º

lbmax?12?alWfb £¨14-94£©

ÈôËùÈ¡µÄlb

Éè¼ÆÖÐÒ²³£¸ù¾ÝËù¸øÌõ¼þ£¬ÏÈÑ¡¶¨Ìõ¼ä³ÄµæµÄ¿ç¾à£¬Ëã³öÌõ¼äÓ¦Á¦£¬È»ºó°´ÔÊÐíÏà¼äÓ¦Á¦À´È·¶¨¾øÔµ×Ó¼äÔÊÐí×î´ó¿ç¾à¡£

6.µ¼Ìå¹²ÕñУÑé

¶ÔÓÚÖØÒª»Ø·£¨Èç·¢µç»ú¡¢±äѹÆ÷¼°»ãÁ÷ĸÏߵȣ©µÄµ¼ÌåÓ¦½øÐй²ÕñУÑé¡£°´Ê½ÏÂʽ¼ÆË㣺

f1?ʽÖУºf1£­½×¹ÌÓÐƵÂÊ£¬Hz£»

L£­¿ç¾à£¬m£»

NfL2EI £¨14-95£© mNf£­ÆµÂÊϵÊý£¬Nf¸ù¾Ýµ¼ÌåÁ¬Ðø¿çÊýºÍÖ§³Å·½Ê½¶øÒ죬ÆäÖµ¼û±í14£­21£» E£­µ¼ÌåµÄµ¯ÐÔÄ£Á¿£¬Pa£» I£­µ¼Ìå¶ÏÃæ¶þ´Î¾à£¬m4¡£

µ¼Ìå·¢ÉúÕñ¶¯Ê±£¬ÔÚµ¼ÌåÄÚ²¿»á²úÉú¶¯Ì¬Ó¦Á¦£¬¶ÔÓÚ¶¯Ì¬Ó¦Á¦µÄ¿¼ÂÇ£¬Ò»°ãÊDzÉÓÃÐÞÕý¾²Ì¬¼ÆËã·¨£¬ÔÚ×î´óµç¶¯Á¦ÉϳËÒÔ¶¯Ì¬Ó¦Á¦ÏµÊý¦Â£¨¦ÂΪ¶¯Ì¬Ó¦Á¦Ó뾲̬ӦÁ¦µÄ±ÈÖµ£©£¬ÒÔÇóµÃʵ¼Ê¶¯Ì¬¹ý³ÌÖж¯Ì¬Ó¦Á¦µÄ×î´óÖµ¡£¶¯Ì¬Ó¦Á¦ÏµÊý¦ÂÓë¹ÌÓÐƵÂʵĹØϵ£¬Èçͼ14£­11Ëùʾ¡£ÓÉͼ14£­11¿É¼û£¬¹ÌÓÐƵÂÊÔÚÖм䷶Χ±ä»¯Ê±£¬¦Â>1£»¹ÌÓÐƵÂʽϵÍʱ£¬¦Â

328

<1£»¹ÌÓÐÂʽϸßʱ£¬¦Â¡Ö1¡£¶ÔÓÚÎÝÍâÅäµç×°ÖÃÖеÄÂÁ¹Üµ¼Ì壬¦Â£½0.58¡£

ΪÁ˱ÜÃâµ¼Ìå²úÉúΣÏյĹ²Õñ£¬¶ÔÓÚÖØÒªµÄµ¼Ì壬ӦʹÆä¹ÌÓÐƵÂÊÔÚÏÂÊö·¶Î§ÒÔÍ⣺ ¢Ùµ¥Ìõµ¼Ìå¼°Ò»×éÖеĸ÷Ìõµ¼ÌåΪ35¡«135Hz¡£ ¢Ú¶àÌõµ¼Ìå¼°ÓÐÒýÏÂÏߵĵ¥Ìõµ¼ÌåΪ35¡«155Hz¡£ ¢Û²ÛÐκ͹ÜÐε¼ÌåΪ90¡«160Hz¡£

±í14£­21 µ¼Ì岻ͬ¹Ì¶¨·½Ê½ÏµÄƵÂÊϵÊýNfÖµ

¿çÊý¼°Ö§³Å·½Ê½ µ¥¿ç¡¢Á½¶Ë¼òÖ§ Nf 1.57 µ¥¿ç¡¢Ò»¶Ë¹Ì¶¨¡¢Ò»¶Ë¼òÖ§Á½µÈ¿ç¡¢¼òÖ§ 2.45 µ¥¿ç¡¢Á½¶Ë¹Ì¶¨¶àµÈ¿ç¡¢¼òÖ§ µ¥¿ç¡¢Ò»¶Ë¹Ì¶¨¡¢Ò»¶Ë»î¶¯

3.56 0.56 ͼ14-11 ¶¯Ì¬Ó¦Á¦ÏµÊý¦Â

Èç¹û¹ÌÓÐƵÂÊÔÚÉÏÊö·¶Î§ÒÔÍ⣬¿ÉÈ¡¦Â£½1¡£Èç¹ûÔÚÉÏÊö·¶Î§ÒÔÄÚ£¬ÐèÒªÔڵ綯Á¦

ÉϳËÒԦ£¬¼´

2Fmax?1.73?10?7ikL?(N) £¨14-96£© a¼ÆËãµ¼ÌåµÄÒ»½××ÔÕñƵÂÊflʱ£¬µ±flÎÞ·¨ÏÞÖÆÔÚ¹²ÕñƵÂÊÖ®Í⣬µ¼ÌåÊÜÁ¦±ØÐë³ËÓ¦Á¦ÏµÊý¡£µ¼Ìå²»·¢Éú¹²ÕñµÄ×î´ó¾øÔµ×Ó¿ç¾àlmaxΪ£º

lmax?Nff1EI £¨14-97£© mµ±ÒÑÖªµ¼Ìå²ÄÁÏ¡¢ÐÎ×´¡¢²¼Ö÷½Ê½ºÍÓ¦±Ü¿ª×ÔÕñƵÂÊ£¨Ò»°ã¿ÉÈ¡fl=160Hz£©Ê±£¬ÓÉʽ£¨14£­97£©¼ÆËãµ¼Ìå²»·¢Éú¹²ÕñµÄ×î´ó¾øÔµ×Ó¿ç¾àlmax£¬µ±ËùÈ¡¾øÔµ×Ó¿ç¾àl

Àý14£­7Ñ¡Ôñijµç³§10kVÅäµç×°ÖõĻãÁ÷ĸÏߣ¬ÒÑÖª¸ÃĸÏßµÄImax= 3464A£¬ÈýÏർÌåˮƽ²¼Öã¬Ïà¼ä¾àÀëa£½0.75m£¬¾øÔµ×Ó¿ç¾àΪ1.2m¡£Ä¸Ïß±£»¤Ê±¼äΪ0.05s£¬¶Ï·Æ÷µÄÈ«¿ª¶Ïʱ¼äΪ0.2s£¬Ä¸Ï߶Ì·µçÁ÷I??£½51kA£¬Itk2£½41kA£¬Itk£½34kA£¬»·¾³Î¶È+30¡æ£¬ÂÁµ¼ÌåµÄµ¯ÐÔÄ£Á¿E£½7¡Á1010Pa¡£

½â£º£¨1£©°´³¤ÆÚ·¢ÈÈÔÊÐíµçÁ÷Ñ¡Ôñµ¼ÌåµÄ½ØÃæ¡£²é¸½Â¼¢ñ£­2£¬Ñ¡ÓÃ3Ìõ125mm¡Ál0mm¾ØÐε¼Ì壬Ia1£½3903A£¬Ks£½1.8£¬²é¸½Â¼¢ñ£­5²é³öζÈÐÞÕýϵÊýK0£½0.94£¬Ôò

Ia130 C?0.94?3903?3669 (A) £¾ 3464£¨A£©£¨2£©ÈÈÎȶ¨Ð£Ñé¡£¶Ì·³ÖÐøʱ¼äΪ

tk?tpr?tab£½0.05+0.2£½0.25£¨s£©

ÖÜÆÚ·ÖÁ¿µÄÈÈЧӦ

329

tk512?10?412?342222Qp?I???10It2?It??0.25?482.7 [£¨kA£©2¡¤s]

??12kk12Òòt£¼1s£¬¹ÊÓ¦¼ÆËã·ÇÖÜÆÚ·ÖÁ¿µÄÈÈЧӦ

Qap?TI??2?0.2?512?520.2 [£¨kA£©2¡¤s]

ËùÒÔQk?Qp?Qap?482.7?520.2?1002.9 [£¨kA£©2¡¤s]

Õý³£ÔËÐÐʱµ¼ÌåµÄζÈΪ

?I2max?34652?i??0???e??0???I????30??70?30??65.6 £¨¡æ£© N?36692²é±í14£­18£¬C£½89£¬Ôò

S6min?QkKs/C?1002.9?10?1.8/89?477.4 (mm2) £¼3750 (mm2)Âú×ãÈÈÎȶ¨µÄÒªÇó¡£ £¨3£©¶¯Îȶ¨Ð£Ñé¡£´Ëʱ

m?hb?W?0.125?0.01?2700?3.375£¨kg/m£©

I?bh212?0.01?0.1253/12?1.63?10?6£¨m4£©

°´»ãÁ÷ĸÏßΪÁ½¶Ë¼òÖ§¶à¿ç¾àÁº²é±í14£­21£¬Nf = 3.56£¬Ôò

fNfEI3.567?1010?1.63?10?61?L2m?1.223.375?454.5(Hz)£¾155£¨Hz£© ¹ÊÈ¡¦Â=l

·¢µç»ú³ö¿Ú¶Ì·ʱ£¬³å»÷ϵÊýΪ1.9£¬Ôò

ik?1.92I???2.69?51?137.19(kA)

£¨4£©Ó¦Á¦¼ÆËã¡£¶Ì·ʱÏà¼äµ¥Î»³¤¶ÈµÄ×î´óµç¶¯Á¦¼ÆË㣺

f1.73?10?7i21max?Ma??1.73?10?7?1371902/0.75?43419(N/m) W?0.5bh2?0.5?0.01?0.1252?78.125?10?6(m3)

Ôò£º ?2ph?fphiM/10W?4341?1.2210?78.125?10?6?8?106(Pa) ͬÏàÌõ¼äÓ¦Á¦¼ÆËã

b102b?b2?10?104b?bh?125?0.08,b?h?10?125?0.074,b?h?30135?0.222 ÓÉͼ14£­1ÇúÏß²éµÃK12=0.37£¬K13=0.57£¬Ôò

330

21fb?8?K12?K13?ik?10?9?8?0.37?0.57??1371902?10?9/0.01?14153(N/m) bÌõ¼ä³ÄµæÁÙ½ç¿ç¾à¼ÆËã

lcr??b4hfb?1197?0.0140.125/14153?0.65(m)

Ìõ¼ä³Äµæ×î´ó¿ç¾àΪ

lbmax?12?alWfb?12?70?8??106?102?0.125/14153?0.33(m) £¼ 0.65(m)

L1.2?0.3(m) Òò´Ë£¬¿ÉÒÔÔÚÿ¿ç×°ÉèÈý¸ö³Äµæ lb??44¶þ¡¢µçÀµÄÑ¡Ôñ

µçÁ¦µçÀÂÓ¦°´ÏÂÁÐÌõ¼þÑ¡ÔñºÍУÑ飺¢ÙµçÀÂоÏß²ÄÁϼ°Ðͺţ»¢Ú¶î¶¨µçѹ£»¢Û½ØÃæÑ¡Ôñ£»¢ÜÔÊÐíµçѹ½µÐ£Ñ飻¢ÝÈÈÎȶ¨Ð£Ñé¡£µçÀµĶ¯Îȶ¨Óɳ§¼Ò±£Ö¤£¬¿É²»±ØУÑé¡£

1.µçÀÂоÏß²ÄÁϼ°ÐͺÅÑ¡Ôñ

µçÁ¦µçÀÂоÏßÓÐͭоºÍÂÁо£¬¹úÄÚ¹¤³ÌÒ»°ãÑ¡ÓÃÂÁоµçÀ¡£µçÀµÄÐͺźܶ࣬Ӧ¸ù¾ÝÆäÓÃ;¡¢·óÉ跽ʽºÍʹÓÃÌõ¼þ½øÐÐÑ¡Ôñ¡£³ý1l0kV¼°ÒÔÉϲÉÓõ¥ÏཻÁª¾ÛÒÒÏ©µçÀ»òµ¥Ïà¸ßѹ³äÓ͵çÀÂÍ⣬һ°ã²ÉÓÃÈýÏàÂÁоÓͽþÖ½¾øÔµµçÀ¡¢ÏðƤ¾øÔµµçÀ¡¢¾ÛÂÈÒÒÏ¡¾øÔµµçÀ»ò½»Áª¾ÛÒÒÏ©µçÀ£»¶¯Á¦µçÀÂͨ³£²ÉÓÃÈýо»òËÄо£¨ÈýÏàËÄÏߣ©£»¸ßγ¡ËùÒËÓÃÄÍÈȵçÀ£»ÖØÒªÖ±Á÷»Ø·»ò±£°²µçÔ´µçÀÂÒËÑ¡ÓÃ×èȼÐ͵çÀ£»Ö±ÂñµØÏÂÒ»°ãÑ¡Óøִøîø×°µçÀ£»³±Êª»ò¸¯Ê´µØÇøӦѡÓÃËÜÁÏ»¤Ì×µçÀ£»·óÉèÔÚ¸ßÂä²î´óµÄµØµã£¬Ó¦²ÉÓý»Áª¾ÛÒÒÏ©µçÀ¡£Ëæ×ŲÄÁϼ¼ÊõµÄ·¢Õ¹£¬×èȼÄÍÈÈÐͽ»Áª¾ÛÒÒÏ©µçÀµõ½ÁËÔ½À´Ô½¹ã·ºµÄÓ¦Óá£ÓͽþÖ½¾øÔµºÍ³äÓ͵çÀµÈÒÑÇ÷ÓÚÌÔÌ­¡£¸÷ÀàµçÀµIJÎÊý¼û¸½Â¼¢ñ£­3¡¢¢ñ£­4¡£

2.µçѹѡÔñ

µçÀµĶµçѹUNÓ¦´óÓÚµÈÓÚËùÔÚµçÍøµÄ¶î¶¨µçѹUNs£¬¼´£º

UN¡ÝUNs £¨14-98£©

3.½ØÃæÑ¡Ôñ

µçÁ¦µçÀ½ØÃæÒ»°ã°´³¤ÆÚ·¢ÈÈÔÊÐíµçÁ÷Ñ¡Ôñ£¬µ±µçÀµÄ×î´ó¸ººÉÀûÓÃСʱTmax>5000h£¬ÇÒ³¤¶È³¬¹ý20mʱ£¬ÔòÓ¦°´¾­¼ÃµçÁ÷ÃܶÈÑ¡Ôñ¡£µçÀ½ØÃæÑ¡Ôñ·½·¨ÓëÂãµ¼Ìå»ù±¾Ïàͬ£¬¿É°´Ê½£¨14£­78£©ºÍʽ£¨14£­79£©¼ÆËã¡£ÖµµÃÖ¸³öµÄÊÇʽ£¨14£­78£©ÓÃÓÚµçÀÂÑ¡Ôñʱ£¬ÆäÐÞÕýϵÊýKÓë·óÉ跽ʽºÍ»·¾³Î¶ÈÓйأ¬¼´£º

K=KtKlK2 »ò K=KtK3K4 £¨14-99£©

ʽÖУºKtΪζÈÐÞÕýϵÊý£¬¿ÉÓɸ½Â¼¢ñ£­6²éÕÒ£¬µ«µçÀÂоÏß³¤ÆÚ·¢ÈÈ×î¸ßÔÊÐíζÈ?a1ÓëµçѹµÈ¼¶¡¢¾øÔµ²ÄÁϺͽṹÓйأ»Kl¡¢K2£ºÎª¿ÕÆøÖжà¸ùµçÀ²¢Áкʹ©¹Ü·óÉèʱµÄÐÞÕýϵÊý£¬µ±µçѹÔÚl0kV¼°ÒÔÏ¡¢½ØÃæΪ95mm2¼°ÒÔÏÂʱK2È¡0.9£¬½ØÃæΪ120¡«185mm2ʱK2£ºÈ¡0.85£»K3ΪֱÂñµçÀÂÒòÍÁÈÀÈÈ×費ͬµÄÐÞÕýϵÊý£»K4ΪÍÁÈÀÖжà¸ù²¢ÁÐÐÞÕýϵÊý¡£Kl¡¢K2¡¢ K3¡¢K4¼°?a1Öµ¿ÉÓɸ½Â¼¢ñ£­7¡¢¢ñ£­8²é³ö¡£

ΪÁ˲»ËðÉ˵çÀ¾øÔµ¼°±£»¤²ã£¬·óÉèʱµçÀÂÓ¦±£³ÖÒ»¶¨µÄÍäÇú°ë¾¶£¬Èç¶àоֽ¾øԵǦ°üµçÀµÄÍäÇú°ë¾¶²»Ó¦Ð¡ÓÚµçÀÂÍ⾶µÄ15±¶¡£

331

4.ÔÊÐíµçѹ½µÐ£Ñé

¶Ô¹©µç¾àÀë½ÏÔ¶¡¢ÈÝÁ¿½Ï´óµÄµçÀÂÏß·£¬Ó¦Ð£ÑéÆäµçѹËðʧ¡÷U£¥¡£Ò»°ãÓ¦Âú×ã¡÷U£¥<5£¥¡£¶ÔÓÚÈýÏཻÁ÷£¬Æä¼ÆË㹫ʽΪ£º

?U%?173ImaxL?rcos??xsin??/U £¨14-100£©

ʽÖУºU¡¢L£­Ïß·¹¤×÷µçѹ£¨Ïßµçѹ£©ºÍ³¤¶È£»

cos?£­¹¦ÂÊÒòÊý£»

r¡¢x£­µ¥Î»³¤¶ÈµÄµç×èºÍµç¿¹¡£ 5.ÈÈÎȶ¨Ð£Ñé

ÓÉÓÚµçÀÂоÏßÒ»°ãϵ¶à¹ÉÏß¹¹³É£¬½ØÃæÔÚ400mm2ÒÔÏÂʱ£¬K¡Ö1£¬Âú×ãµçÀÂÈÈÎȶ¨µÄ×îС½ØÃæ¿ÉÒÔ¼ò»¯Ð´³É£º

Smin?Qk/C £¨14-101£©

µçÀÂÈÈÎȶ¨ÏµÊýC¼ÆËãʽΪ£º

C?1?4.2Q1?a??k?20?ln?10?2 £¨14-102£© K?20a1?a???20??£­¼Æ¼°µçÀÂоÏß³äÌîÎïÈÈÈÝÁ¿Ëæζȱ仯ÒÔ¼°¾øԵɢÈÈÓ°ÏìµÄУÕýϵÊý£»Ê½ÖУº¶ÔÓÚ3¡«6kV³§ÓûØ·?È¡0.93£¬35kV¼°ÒÔÉϻط¿É?È¡1.0£»

Q£­µçÀÂоµ¥Î»Ìå»ýµÄÈÈÈÝÁ¿£¬ÂÁоȡ0.59£¬J/£¨cm3¡¤¡æ£©£» a£­µçÀÂоÔÚ20¡æʱµÄµç×èζÈϵÊý£¬ÂÁоΪ0.00403£¬1£¯¡æ£»

K£­20¡æµ¼Ìå½»Á÷µç×èÓëÖ±Á÷µç×èÖ®±È£¬S<100mm2µÄÈýоµçÀÂK=1£¬S=120¡«240mm2

µÄÈýоµçÀÂK=1.005¡«1.035£»

?20£­µçÀÂоÔÚ20¡æʱµÄµç×èϵÊý£¬ÂÁоȡ0.031¡Á10£­4£¬¦¸¡¤cm2/cm£»

¦È£­¶Ì·ǰµçÀµĹ¤×÷ζȣ¬¡æ£»

¦Èk£­µçÀÂÔڶ̷ʱµÄ×î¸ßÔÊÐíζȣ¬¶Ô10kV¼°ÒÔÏÂÆÕͨճÐÔ½þ×ÕÖ½¾øÔµ¼°½»Áª¾ÛÒÒÏ©¾øÔµµçÀÂΪ200¡æ£¬ÓÐÖмä½ÓÍ·£¨Îýº¸£©µÄµçÀÂ×î¸ßÔÊÐíζÈΪ120¡æ¡£

ͨ³£µçÀÂCÖµÒ²¿Éͨ¹ý¼ÆËãµçÀµÄÕý³£×î¸ß¹¤×÷ζȺó²é±í14£­18ÇóµÃ¡£µçÀµÄÕý³£×î¸ß¹¤×÷ζÈ?i¿É²éͼ14£­3ÇúÏßÇóµÃ¡£

Àý14£­8£ºÈçͼ14£­12Ëùʾ½ÓÏߣ¬ÊÔÑ¡Ôñ³öÏßµçÀ¡£ÔÚ±äµçÕ¾AÁ½¶ÎĸÏßÉϸ÷½ÓÓÐһ̨3150kVA±äѹÆ÷£¬Õý³£Ê±Ä¸Ïß·Ö¶ÎÔËÐУ¬µ±Ò»ÌõÏß·¹ÊÕÏʱ£¬ÒªÇóÁíÒ»ÌõÏß·Äܹ©Á½Ì¨±äѹÆ÷Âú¸ººÉÔËÐС£Tmax£½4500h£¬±äµçÕ¾¾àµç³§500m£¬ÔÚ250m

10.5kVA½ÓÍ·tab=0.6sͼ14£­12 Ñ¡Ôñ³öÏßµçÀ½ÓÏßͼ

332

´¦ÓÐÖмä½ÓÍ·£¬¸Ã½ÓÍ·´¦·¢Éú¶Ì·ʱ£¬I???18kA,Itk/2?14kA£¬Ik?10kA£¬Itk?12kA£¬µçÀ²ÉÓÃÖ±ÂñµØÏ£¬ÍÁÈÀζÈ?0?20¡æ£¬¼Ìµç±£»¤Õû¶¨Ê±¼ätpr?0.6s£¬¶Ï·Æ÷È«¿ª¶Ïʱ¼ätab?0.1s£¬cos??0.8,ÍÁÈÀµÄÈÈ×èϵÊýg?80¡£

½â£º£¨1£©°´¾­¼ÃµçÁ÷ÃܶÈÑ¡Ôñ½ØÃ棬һ̨±äѹÆ÷µÄ³öÏ߻ط

Imax?1.05?3150?182 (A)

3?10.52²éͼ14£­12ÇúÏß1ÂÁоµçÀÂTmax?4500h£¬J?0.8A/mm£¬

Sj?Imax182??227 (mm2) J0.8£­3

Ñ¡ÓÃÁ½¸ù10kV ZR YJV22£­3¡Á95£¨×èȼÈýо½»Áª¾ÛÒÒÏ©¾øԵͭоîø×°£©µçÀ£¬Ã¿¸ùµçÀÂS=95mm£¬IN25?C?234 (A)£¬Õý³£ÔÊÐí×î¸ßζÈ90¡æ£¬r=0.194¡Á10£¨¦¸/m£©£¬x=0.076

2

¡Á10£¨¦¸/m£©¡£

£¨2£©°´³¤ÆÚ·¢ÈÈÔÊÐíµçÁ÷УÑ飬¿¼ÂÇÒ»»ØÏß¹ÊÕÏʱ¸ººÉµÄתÒÆ£¬

£­3

??2?182?364A Imaxµ±Êµ¼ÊÍÁÈÀζÈΪ+20¡æʱ£¬²é¸½Â¼¢ñ£­6ÇóµÃµçÀµÄÔØÁ÷Á¿µÄÐÞÕýϵÊýΪ1.04¡£µ±µçÀ¼ä¾àÈ¡200mmʱ£¬ÓÉÊÖ²á¿É²éµÃ¶þ¸ù²¢ÅÅÐÞÕýϵÊýΪ0.92£¬¹Ê¶þ¸ùµçÀµÄÔÊÐíÔØÁ÷Á¿

? Ϊ£ºIN20?C?1.04?0.92?234?2?447.8A>Imax£¨3£©ÈÈÎȶ¨Ð£Ñ飬tk?tpr?tab?0.1?0.6?0.7 (s)<1(s)£¬ËùÒÔÒª¿¼ÂÇ·ÇÖÜÆÚ·ÖÁ¿µÄÓ°Ïì¡£

tk182?10?142?122222Qp?I???10Itk2?Itk??0.7?142.3[£¨kA£©2¡¤s]

1212??Qap?TI??2?0.6?182?194.4[£¨kA£©2¡¤s]

Qk?Qp?Qap?432.3?194.4?626.7[£¨kA£©2¡¤s]

¶Ì·ǰµçÀµÄ×î¸ßÔËÐÐζÈΪ

?i??0?(?y??0)(?2Imax3642)?20?(90?20)()?66£¨¡æ£© IN447.8²é±í14£­18µÃC=174£¬ÈÈÎȶ¨ËùÐèµÄ×îС½ØÃæΪ

Smin?Qk/C?626.7?106/174?144£¨mm2£©<2¡Á95 mm2

ÔÊÐíѹ½µÐ£Ñé

333

?U%?173ImaxL?rcos??xsin??/U ?173?364?250?(0.194?10?3?0.8?0.076?10?3?0.6)/(10.5?103) ?0.28%?5%½á¹û±íÃ÷ZR YJV22£­3¡Á95 10kVµçÀÂÄÜÂú×ãÒªÇó¡£ Èý¡¢Ö§Öù¾øÔµ×Ӻʹ©Ç½Ì׹ܵÄÑ¡Ôñ

Ö§Öù¾øÔµ×ÓÓ¦°´¶î¶¨µçѹºÍÀàÐÍÑ¡Ôñ£¬²¢½øÐжÌ·ʱ¶¯Îȶ¨Ð£Ñé¡£´©Ç½Ì×¹ÜÓ¦°´¶î¶¨µçѹ¡¢¶î¶¨µçÁ÷ºÍÀàÐÍÑ¡Ôñ£¬°´¶Ì·Ìõ¼þУÑ鶯¡¢ÈÈÎȶ¨¡£

1.°´¶î¶¨µçѹѡÔñÖ§Öù¾øÔµ×Ӻʹ©Ç½Ì×¹Ü

Ö§Öù¾øÔµ×Ӻʹ©Ç½Ì׹ܵĶµçѹUNÓ¦´óÓÚµÈÓÚËùÔÚµçÍøµÄ¶î¶¨µçѹUNs£¬¼´

UN>UNs £¨14-103£©

·¢µç³§Óë±äµçÕ¾µÄ3¡«20kVÎÝÍâÖ§Öù¾øÔµ×ÓºÍÌ׹ܣ¬µ±ÓбùÑ©ºÍÎÛ»àʱ£¬ÒËÑ¡ÓøßÒ»¼¶µÄ²úÆ·¡£

2.°´¶î¶¨µçÁ÷Ñ¡Ôñ´©Ç½Ì×¹Ü

´©Ç½Ì׹ܵĶµçÁ÷IN¡£Ó¦´óÓÚµÈÓڻطÖÐ×î´ó³ÖÐø¹¤×÷µçÁ÷£¬¼´£º

IN > KImax £¨14-104£©

ʽÖУºK¡ªÎ¶ÈÐÞÕýϵÊý¡£

¶ÔĸÏßÐÍ´©Ç½Ì׹ܣ¬Òò±¾ÉíÎÞµ¼Ì壬²»±Ø°´´ËÏîÑ¡ÔñºÍУÑéÈÈÎȶ¨£¬Ö»Ðè±£Ö¤Ì׹ܵÄÐÍʽ´©¹ýĸÏߵijߴçÏàÅäºÏ¡£

3.Ö§Öù¾øÔµ×ÓºÍÌ׹ܵÄÖÖÀàºÍÐÍʽѡÔñ

¸ù¾Ý×°Öõص㡢»·¾³Ñ¡ÔñÎÝÄÚ¡¢ÎÝÍâ»ò·ÀÎÛʽ¼°Âú×ãʹÓÃÒªÇóµÄ²úÆ·ÐÍʽ¡£

4.´©Ç½Ì׹ܵÄÈÈÎȶ¨Ð£Ñé

Ì×¹ÜÄÍÊܶÌ·µçÁ÷µÄÈÈЧӦIt2tÓ¦´óÓÚµÈÓڶ̷µçÁ÷ͨ¹ýÌ×¹ÜËù²úÉúµÄÈÈЧӦQk£¬¼´

It2t ¡ÝQk £¨14-105£©

5.Ö§Öù¾øÔµ×ÓºÍÌ׹ܵĶ¯Îȶ¨Ð£Ñé ¾øÔµ×ÓºÍÌ׹ܵĻúеӦÁ¦¼ÆËãÈçÏ£º

ͼ14-13 ¾øÔµ×Ӻʹ©Ç½Ì×¹ÜËùÊܵĵ綯

ͼ14-14 ¾øÔµ×ÓÊÜÁ¦Ê¾Òâͼ

²¼ÖÃÔÚͬһƽÃæÄÚµÄÈýÏർÌ壨Èçͼ14£­13Ëùʾ£©£¬ÔÚ·¢Éú¶Ì·ʱ£¬Ö§Öù¾øÔµ×Ó£¨»òÌ׹ܣ©ËùÊܵÄÁ¦Îª¸Ã¾øÔµ×ÓÏàÁÚ¿çµ¼ÌåÉϵ綯Á¦µÄƽ¾ùÖµ¡£ÀýÈç¾øÔµ×Ó1ËùÊÜÁ¦Îª£º

334

Fmax?F1?F22lc?1.73ik?10?7(N) £¨14-106£© 2aʽÖУºlc£­¼ÆËã¿ç¾à£¬m£»lC??l1?l2?/2£¬l1¡¢l2ΪÓë¾øÔµ×ÓÏàÁڵĿç¾à¡£¶ÔÓÚÌ×¹Ül2=lca£¨Ì׹ܳ¤¶È£©¡£

ÓÉÓÚµ¼Ìåµç¶¯Á¦FmaxÊÇ×÷ÓÃÔÚµ¼Ìå½ØÃæÖÐÐÄÏßÉϵģ¬¶øÖ§Öù¾øÔµ×ӵĿ¹ÍäÆÆ»µÇ¿¶È°´×÷ÓÃÔÚ¾øÔµ×Ӹ߶ÈH´¦¸ø¶¨µÄ£¨Èçͼ14£­14Ëùʾ£©£¬ÎªÁ˱ãÓڱȽϣ¬±ØÐëÇó³ö¶Ì·ʱ×÷ÓÃÔÚÖ§Öù¾øÔµ×Ó¾øÔµ×ÓñÉϵļÆËã×÷ÓÃÁ¦Fco£¬¼´£º

Fco?FmaxH1/H(N) £¨14-107£©

ʽÖУºH1£­¾øÔµ×ӵײ¿µ½µ¼ÌåˮƽÖÐÐÄÏߵĸ߶ȣ¨mm£©£¬H1=H+b+h/2£»

b£­µ¼ÌåÖ§³ÖÆ÷ÏÂƬºñ¶È£¬Ò»°ãÊú·Å¾ØÐε¼Ìåb=18mm£¬Æ½·Å¾ØÐε¼Ìå¼°²ÛÐε¼Ìåb=12mm¡£

Ö§Öù¾øÔµ×Ó¾øÔµ×ÓñÉϵļÆËã×÷ÓÃÁ¦Fco¼°Ì׹ܵÄ×î´óÊÜÁ¦Ó¦²»´óÓÚ60%Ö§Öù¾øÔµ×ӵĿ¹ÍäÆÆ»µ¸ººÉ0.6Fph¡£FphÓÉËùÑ¡¾øÔµ×Ó¸ø¶¨¡£

¶ÔÓÚ35kV¼°ÒÔÉÏˮƽ°²×°µÄÖ§Öù¾øÔµ×Ó£¬ÔÚ½øÐлúе¼ÆËãʱ£¬Ó¦¿¼Âǵ¼ÌåºÍ¾øÔµ×ÓµÄ×ÔÖØÒÔ¼°¶Ì·µç¶¯Á¦µÄ¸´ºÏ×÷Óá£ÎÝÍâÖ§Öù¾øÔµ×ÓÓ¦¼Æ¼°·çºÍ±ùÑ©µÄ¸½¼Ó×÷ÓÃ

Ì׹ܺ;øÔµ×ӵݲȫϵÊý²»Ó¦Ð¡ÓÚ±í14£­22ËùÁÐÊýÖµ¡£

±í14£­22 Ì׹ܺ;øÔµ×ӵݲȫϵÊý

Àà ±ð Ì׹ܡ¢Ö§³Ö¾øÔµ×Ó Ðüʽ¾øÔµ×Ó¼°ÆÚ½ð¾ß ·Ö±ðӦΪ5.3ºÍ3.3¡£

¢ÙºÉÔس¤ÆÚ×÷ÓÃʱ 2.5 4 ºÉÔضÌʱ×÷ÓÃʱ 1.67 2.5 ×¢£º Ðüʽ¾øÔµ×ӵݲȫϵÊý¶ÔÓ¦ÓÚһСʱ»úµçÊÔÑéºÉÔØ£¬¶ø²»ÊÇÆÆ»µºÉÔØ¡£ÈôÊǺóÕߣ¬°²È«ÏµÊýÔò

Àý14£­9 ÊÔÑ¡Ôñ100MW·¢µç»ú£­±äѹÆ÷×éÁ¬½ÓĸÏßµÄÖ§Öù¾øÔµ×Ӻʹ©Ç¿Ì׹ܡ£ÒÑÖª£º·¢µç»úµÄ¶î¶¨µçѹΪ10.5kV£¬¶î¶¨µçÁ÷Ϊ6468A£¬·¢µç»úÁ¬½ÓĸÏßÉϵĶÌ·µçÁ÷I???35.4kA£¬·¢µç»úµÄÁ¬½ÓĸÏßÑ¡ÓÃ2Ìõ±ê×¼²ÛÐÎĸÏß200¡Á90¡Á12mm£¨h¡Áb¡Ác£©£¬S=8080mm2£¬ÈýÏàˮƽ²¼Öã¬Ïà¼ä¾àa=0.7m£¬Ö§Öù¾øÔµ×Ó¿ç¾àΪ1.5m¡£µØÇø×îÈÈÔÂƽ¾ùζÈΪ+35¡æ£¬Ä¸ÏßÔÊÐíµçÁ÷ÐÞÕýµ½+35¡æʱµÄֵΪ7744A¡£

½â£º£¨1£©¼ÆËã¶Ì·³å»÷µçÁ÷·åÖµ¡£

ik?2.55?I???2.55?35.4?90.3kA

£¨2£©Ö§Öù¾øÔµ×ÓµÄÑ¡Ôñ¡£¸ù¾Ý¹¤×÷µçѹºÍ×°Öõص㣬ÎÝÄÚ²¿·ÖÑ¡ZC£­10FÐÍÖ§Öù¾øÔµ×Ó£¬Æ俹ÍäÆÆ»µ¸ººÉFph=12250N£¬¾øÔµ×Ӹ߶ÈH=225mm£¨¼ûͼ14£­16£©¡£

Fmaxh?225?12?100?337mm 21.52lC?1.73ik?10?7?1.73?903002??10?7?3023 (N)

a0.7H1?H?b?335

ËùÒÔ£¬ Fco?FmaxH1337?3023??4528(N)£¼0.6Fph H225ÎÝÍⲿ·ÖµÄÖ§Öù¾øÔµ×Ó£¬¿¼ÂDZùÑ©¼°ÎÛ»àµÄÓ°Ï죬ѡÓõçѹµÈ¼¶¸ßÒ»¼¶µÄ²úÆ·ZPC£­

35£¬ÆäÑéËã·½·¨Í¬ÎÝÄÚ¡£

£¨3£©´©Ç½Ì׹ܵÄÑ¡Ôñ¡£

¸ù¾Ý¹¤×÷µçѹºÍ¶î¶¨µçÁ÷£¬Ñ¡ÓÃCMWF£­20ĸÏßÐÍÌ׹ܣ¬Ì׹ܳ¤¶Èlca?625mm£¬£¨mm¡Ámm£©¡£ Fph?39200N¡£Ì׹ܴ°¿Ú³ß´çΪ210¡Á200£¾2£¨200¡Á90£©

l?l1.5?0.625?1.063 (m) ¼ÆËã¿ç¶È lc?12?221.0632l?72?10?7?2142 (N)£¼0.6Fph Ì×¹ÜÊÜÁ¦Fmax?1.73ikC?10?1.73?90300?a0.7

µÚÎå½Ú Ö÷±äѹÆ÷µÄÑ¡Ôñ

Ö÷±äѹÆ÷µÄÑ¡ÔñÓë±äѹÆ÷µĄ̈Êý¡¢ÐÎʽ¡¢Á¬½Ó×é±ð¡¢µçѹµÈ¼¶¡¢µ÷ѹ·½Ê½¡¢ÀäÈ´·½Ê½¡¢

ÔËÊäÌõ¼þÒÔ¼°±äµçÕ¾µÄÈÝÁ¿¡¢·¢Õ¹Ô¶¾°µÈ·½ÃæµÄÒòÊýÓйأ¬ÔÚÑ¡ÔñÖ÷±äѹÆ÷ÐÍʽʱ£¬Ó¦¿¼ÂÇÒÔϼ¸¸ö·½Ãæ¡£

1.ÈÝÁ¿¼°Ì¨ÊýµÄÈ·¶¨

±äµçÕ¾µÄÈÝÁ¿ÊÇÓɹ©µçµØÇø¹©µç¸ººÉ£¨×ÛºÏ×î´ó¸ººÉ£©¾ö¶¨µÄ£¬Èç¹ûÒÑÖª¹©µçµØÇøµÄ¼ÆË㸺ºÉ£¬Ôò±äµçÕ¾ÈÝÁ¿Îª£º

ST?ʽÖУºPca¡ª±äµçÕ¾¼ÆË㸺ºÉ£¬kW£»

Pca £¨14-108£© cos?cos?¡ªÆ½¾ù¹¦ÂÊÒòÊý£¬Ò»°ãÈ¡0.6¡«0.8¡£

±äµçÕ¾Ö÷±äѹÆ÷̨Êý¿É°´ÈçÏÂÔ­ÔòÈ·¶¨£º

¢Ù¶ÔÓÚÖ»¹©µç¸ø¶þÀà¡¢ÈýÀฺºÉµÄ±äµçÕ¾£¬Ô­ÔòÉÏÖ»×°Éèһ̨±äѹÆ÷¡£

¢Ú¶ÔÓÚ¹©µç¸ººÉ½Ï´óµÄ³ÇÊбäµçÕ¾»òÓÐÒ»ÀฺºÉµÄÖØÒª±äµçÕ¾£¬Ó¦Ñ¡ÓÃÁ½Ì¨ÏàͬÈÝÁ¿µÄÖ÷±äѹÆ÷¡£Ã¿Ì¨±äѹÆ÷µÄÈÝÁ¿Ó¦Âú×ãһ̨±äѹÆ÷Í£Ô˺ó£¬Áíһ̨Äܹ©¸øÈ«²¿Ò»ÀฺºÉ£»ÔÚÎÞ·¨È·¶¨Ò»ÀฺºÉËùÕ¼±ÈÖØʱ£¬Ã¿Ì¨±äѹÆ÷µÄÈÝÁ¿¿É°´¼ÆË㸺ºÉµÄ60£¥¡«80£¥Ñ¡Ôñ¡£

¢Û¶Ô´ó³ÇÊн¼ÇøµÄÒ»´Î±äµçÕ¾£¬Èç¹ûÖС¢µÍѹ²àÒѹ¹³É»·ÍøµÄÇé¿öÏ£¬±äµçÕ¾ÒÔ×°ÉèÁ½Ì¨ÎªÒË£»¶ÔµØÇøÐÔ¹ÂÁ¢µÄÒ»´Î±äµçÕ¾»ò´óÐ͹¤Òµ×¨ÓñäµçÕ¾£¬ÔÚÉè¼ÆʱӦ¿¼ÂÇ×°ÉèÈý̨Ö÷±äѹÆ÷µÄ¿ÉÄÜÐÔ£»¶ÔÓڹ滮ֻװÁ½Ì¨Ö÷±äѹÆ÷µÄ±äµçÕ¾£¬Æä±äѹÆ÷µÄ»ù´¡ÒË°´´óÓÚ±äѹÆ÷ÈÝÁ¿µÄ1¡«2¼¶Éè¼Æ¡£

336

2.ÏàÊýµÄÈ·¶¨

ÔÚ330kV¼°ÒÔϵçÁ¦ÏµÍ³ÖУ¬Ò»°ã¶¼Ó¦Ñ¡ÓÃÈýÏà±äѹÆ÷¡£ÒòΪµ¥Ïà±äѹÆ÷×éÏà¶ÔÀ´½²Í¶×Ê´ó¡¢Õ¼µØ¶à¡¢ÔËÐÐËðºÄÒ²½Ï´ó£¬Í¬Ê±Åäµç×°Öýṹ¸´ÔÓ£¬Ò²Ôö¼ÓÁËάÐÞ¹¤×÷Á¿¡£µ« ÊÇÓÉÓÚ±äѹÆ÷µÄÖÆÔìÌõ¼þºÍÔËÊäÌõ¼þµÄÏÞÖÆ£¬ÌرðÊÇ´óÐͱäѹÆ÷£¬ÓÈÆäÐèÒª¿¼²ìÆäÔËÊä¿ÉÄÜÐÔ£¬´ÓÖÆÔ쳧µ½±äµçÕ¾Ö®¼ä£¬±äѹÆ÷³ß´çÊÇ·ñ³¬¹ýÔËÊä;ÖÐËí¶´¡¢º­¶´¡¢ÇŶ´µÄÔÊÐíͨ¹ýÏ޶±äѹÆ÷ÖØÁ¿ÊÇ·ñ³¬¹ýÔËÊä;ÖгµÁ¾¡¢´¬²°¡¢ÂëÍ·¡¢ÇÅÁºµÈÔËÊ乤¾ß»òÉèÊ©µÄÔÊÐí³ÐÔØÄÜÁ¦¡£³ý°´ÈÝÁ¿¡¢ÖÆÔìˮƽ¡¢ÔËÊäÌõ¼þÈ·¶¨Í⣬¸üÖØÒªµÄÊÇ¿¼ÂǸººÉºÍϵͳÇé¿ö¡¢±£Ö¤¹©µç¿É¿¿ÐÔ£¬½øÐÐ×ۺϷÖÎö£¬ÔÚÂú×ã¼¼Êõ¡¢¾­¼ÃµÄÌõ¼þÏÂÀ´È·¶¨Ñ¡Óõ¥Ïà±äѹÆ÷»¹ÊÇÈýÏà±äѹÆ÷¡£

3.ÈÆ×éÊýµÄÈ·¶¨

¹úÄÚµçÁ¦ÏµÍ³ÖвÉÓõıäѹÆ÷°´ÆäÈÆ×éÊý·ÖÀàÓÐË«ÈÆ×éÆÕͨʽ¡¢ÈýÈÆ×éʽ¡¢×ÔñîʽÒÔ¼°µÍѹÈÆ×é·ÖÁÑʽµÈÐÍʽ±äѹÆ÷¡£ÈçÒÔÁ½ÖÖÉý¸ßµçѹ¼¶ÏòÓû§¹©µç»òÓëϵͳÁ¬½Óʱ£¬¿ÉÒÔ²ÉÓöþ̨˫ÈÆ×é±äѹÆ÷»òÈýÈÆ×é±äѹÆ÷£¬Òà¿ÉÑ¡ÓÃ×Ôñî±äѹÆ÷¡£

ÔÚ110kV¼°ÒÔÉÏÖÐÐÔµãÖ±½Ó½ÓµØϵͳÖУ¬·²ÐèÑ¡ÓÃÈýÈÆ×é±äѹÆ÷µÄ³¡Ëù£¬¾ù¿ÉÓÅÏÈÑ¡ÓÃ×Ôñî±äѹÆ÷£¬ËüËðºÄС¡¢Ìå»ýС¡¢Ð§Âʸߣ¬µ«ÏÞÖƶÌ·µçÁ÷µÄЧ¹û½Ï²î£¬±ä±È²»Ò˹ý´ó¡£

4.ÈÆ×é½ÓÏß×é±ðµÄÈ·¶¨

±äѹÆ÷ÈýÏàÈÆ×éµÄ½ÓÏß×é±ð±ØÐëºÍϵͳµçѹÏàλһÖ£¬·ñÔò£¬²»Äܲ¢ÁÐÔËÐС£µçÁ¦ÏµÍ³²ÉÓõÄÈÆ×éÁ¬½Ó·½Ê½Ö»ÓÐÐÇÐΡ°Y¡±ºÍÈý½ÇÐΡ°¡÷¡±Á½ÖÖ¡£Òò´Ë£¬±äѹÆ÷ÈýÏàÈÆ×éµÄÁ¬½Ó·½Ê½Ó¦¸ù¾Ý¾ßÌ幤³ÌÀ´È·¶¨¡£¶ÔÓÚÈýÏàË«ÈÆ×é±äѹÆ÷µÄ¸ßѹ²à£¬110kV¼°ÒÔÉϵçѹµÈ¼¶£¬ÈýÏàÈÆ×鶼²ÉÓá°YN¡±Á¬½Ó£»35kV¼°ÒÔϲÉÓá°Y¡±Á¬½Ó£» ¶ÔÓÚÈýÏàË«ÈÆ×é±äѹÆ÷µÄµÍѹ²à£¬ÈýÏàÈÆ×é²ÉÓá°¡÷¡±Á¬½Ó£¬ÈôµÍѹ²àµçѹµÈ¼¶Îª380/220V£¬ÔòÈýÏàÈÆ×é²ÉÓá°yn0¡±Á¬½Ó¡£

ÔÚ±äµçÕ¾ÖУ¬ÎªÁËÏÞÖÆÈý´Îг²¨£¬Ö÷±äѹÆ÷½ÓÏß×é±ðÒ»°ã¶¼Ñ¡ÓÃYN£¬d11³£¹æ½ÓÏß¡£½üÄêÀ´£¬¹úÄÚÍâÒàÓвÉÓÃÈ«ÐÇÐνÓÏß×é±ðµÄ±äѹÆ÷¡£Ëùν¡°È«ÐÇÐΡ±±äѹÆ÷£¬Ò»°ãÊÇÖ¸Æä½ÓÏß×é±ðΪ£ºYN£¬yn0£¬y0£¨YN£¬yn0£¬yn0£©»òYN£¬y0£¨YN£¬yn0£©µÄÈýÈÆ×é±äѹÆ÷»ò×Ôñî±äѹÆ÷¡£Ëü²»½öÓë35kVµçÍø²¢ÁÐʱ£¬ÓÉÓÚÏàλһÖ±ȽϷ½±ã£¬¶øÇÒÁãÐò×迹½Ï´ó£¬ÓÐÀûÓÚÏÞÖƶÌ·µçÁ÷¡£Í¬Ê±£¬Ò²±ãÓÚÔÚÖÐÐԵ㴦Á¬½ÓÏû»¡ÏßȦ¡£µ«ÊÇ£¬ÓÉÓÚÈ«ÐÇÐαäѹÆ÷3´Îг²¨ÎÞͨ·£¬Òò´Ë£¬½«ÒýÆðÕýÏÒ²¨µçѹ»û±ä£¬²¢¶ÔͨÐÅÉ豸·¢Éú¸ÉÈÅ£¬Í¬Ê±¶Ô¼Ìµç±£»¤Õû¶¨µÄ׼ȷ¶ÈºÍÁéÃô¶È¾ùÓÐÓ°Ïì¡£

5.µ÷ѹ·½Ê½µÄÈ·¶¨

ΪÁ˱£Ö¤±äµçÕ¾µÄ¹©µçÖÊÁ¿£¬µçѹ±ØÐëά³ÖÔÚÔÊÐí·¶Î§ÄÚ¡£Í¨¹ý±äѹÆ÷µÄ·Ö½ÓÍ·¿ª¹ØÇл»£¬¸Ä±ä±äѹÆ÷¸ßѹ²àÈÆ×éÔÑÊý£¬´Ó¶ø¸Ä±äÆä±ä±È£¬ÊµÏÖµçѹµ÷Õû¡£Çл»·½Ê½ÓÐÁ½ÖÖ£º²»´øµçÇл»£¬³ÆΪÎÞÀø´Åµ÷ѹ£¬µ÷Õû·¶Î§Í¨³£ÔÚ¡À2¡Á2.5£¥ÒÔÄÚ£»ÁíÒ»ÖÖÊÇ´ø¸ººÉÇл»£¬³ÆΪÓÐÔص÷ѹ£¬µ÷Õû·¶Î§¿É´ï30£¥£¬µ«Æä½á¹¹½Ï¸´ÔÓ¡¢¼Û¸ñ½Ï¹ó¡£

6.ÀäÈ´·½Ê½µÄÑ¡Ôñ

µçÁ¦±äѹÆ÷µÄÀäÈ´·½Ê½£¬ËæÆäÐÍʽºÍÈÝÁ¿²»Í¬¶øÒ죬һ°ãÓÐÒÔϼ¸ÖÖÀàÐÍ¡£

£¨1£©×ÔÈ»·çÀäÈ´£ºÒ»°ãÊÊÓÚ7500kVAÒÔÏÂСÈÝÁ¿±äѹÆ÷¡£ÎªÊ¹ÈÈÁ¿É¢·¢µ½¿ÕÆøÖУ¬×°ÓÐƬ״»ò¹ÜÐηøÉäʽÀäÈ´Æ÷£¬ÒÔÔö´óÓÍÏäÀäÈ´Ãæ»ý¡£

337

£¨2£©Ç¿ÆÈ¿ÕÆøÀäÈ´£ºÓÖ¼ò³Æ·çÀäʽ¡£ÈÝÁ¿´óÓÚµÈÓÚ8000kVAµÄ±äѹÆ÷£¬ÔÚ¾øÔµÔÊÐíµÄÓÍÏä³ß´çÏ£¬¼´Ê¹ÓзøÉäÆ÷µÄÉ¢ÈÈ×°ÖÃÈÔ´ï²»µ½ÒªÇóʱ£¬³£²ÉÓÃÈ˹¤·çÀä¡£ÔÚ·øÉäÆ÷¹Ü¼ä¼Ó×°Êý̨µç¶¯·çÉÈ£¬Ó÷紵ÀäÈ´Æ÷£¬Ê¹ÓÍѸËÙÀäÈ´£¬¼ÓËÙÈÈÁ¿É¢³ö¡£·çÉȵÄÆôÍ£¿ÉÒÔ×Ô¶¯¿ØÖÆ£¬Òà¿ÉÈ˹¤²Ù×÷¡£

£¨3£©Ç¿ÆÈÓÍÑ­»·Ë®ÀäÈ´£ºµ¥´¿µÄ¼ÓÇ¿±íÃæÀäÈ´¿ÉÒÔ½µµÍÓÍΣ¬µ«µ±ÓÍνµµ½Ò»¶¨³Ì¶Èʱ£¬Ó͵ÄÕ³¶ÈÔö¼Ó£¬ÒÔÖÂʹÓ͵ÄÁ÷ËÙ½µµÍ£¬¶Ô´óÈÝÁ¿±äѹÆ÷ÒÑ´ï²»µ½Ô¤ÆÚÀäȴЧ¹û£¬¹Ê²ÉÓÃDZÓͱÃÇ¿ÆÈÓÍÑ­»·£¬ÈÃË®¶ÔÓ͹ܵÀ½øÐÐÀäÈ´£¬°Ñ±äѹÆ÷ÖÐÈÈÁ¿´ø×ß¡£ÔÚˮԴ³ä×ãµÄÌõ¼þÏ£¬²ÉÓÃÕâÖÖÀäÈ´·½Ê½¼«ÎªÓÐÀû£¬É¢ÈÈЧÂʸߣ¬½ÚÊ¡²ÄÁÏ£¬¼õС±äѹÆ÷±¾Ìå³ß´ç¡£µ«ÒªÒ»Ì×Ë®ÀäȴϵͳºÍÓйظ½¼þ£¬ÇÒ¶ÔÀäÈ´Æ÷µÄÃÜ·âÐÔÄÜÒªÇó½Ï¸ß¡£¼´Ê¹Ö»Óм«Î¢Á¿µÄË®ÉøÈëÓÍÖУ¬Ò²»áÑÏÖصØÓ°ÏìÓ͵ľøÔµÐÔÄÜ£¬¹ÊÓÍѹӦ¸ßÓÚˮѹ0.1¡«0.15MPa£¬ÒÔÃâË®ÉøÈëÓÍÖС£

£¨4£©Ç¿ÆÈÓÍÑ­»··çÀäÈ´£ºÆäÔ­ÀíÓëÇ¿ÆÈÓÍÑ­»·Ë®ÀäÈ´Ïàͬ¡£

£¨5£©Ç¿ÆÈÓÍÑ­»·µ¼ÏòÀäÈ´£º½üÄêÀ´´óÐͱäѹÆ÷¶¼²ÉÓÃÕâÖÖÀäÈ´·½Ê½¡£ËüÊÇÀûÓÃDZÓͱý«ÀäÓÍѹÈËÏßȦ֮¼ä¡¢Ïß±ýÖ®¼äºÍÌúоµÄÓ͵ÀÖУ¬Ê¹ÌúоºÍÈÆ×éÖеÄÈÈÁ¿Ö±½ÓÓɾßÓÐÒ»¶¨Á÷ËÙµÄÓÍ´ø×ߣ¬¶ø±äѹÆ÷ÉϲãÈÈÓÍÓÃDZÓͱóé³ö£¬¾­¹ýË®ÀäÈ´Æ÷»ò·çÀäÈ´Æ÷ÀäÈ´ºó£¬ÔÙÓÉDZÓͱÃ×¢Èë±äѹÆ÷ÓÍÏäµ×²¿£¬¹¹³É±äѹÆ÷µÄÓÍÑ­»·¡£

£¨6£©Ë®ÄÚÀä±äѹÆ÷¡£±äѹÆ÷ÈÆ×éÓÿÕÐĵ¼ÌåÖƳɡ£ÔÚÔËÐÐÖУ¬½«´¿Ë®×¢ÈË¿ÕÐÄÈÆ×éÖУ¬½èÖúË®µÄ²»¶ÏÑ­»·£¬½«±äѹÆ÷ÖÐÈÈÁ¿´ø×ß¡£µ«Ë®ÏµÍ³±È½Ï¸´ÔÓ£¬ÇÒ±äѹÆ÷¼Û¸ñ½Ï¸ß¡£

µÚÁù½Ú µÍѹµçÆ÷µÄÑ¡Ôñ

Ò»¡¢µÍѹÈÛ¶ÏÆ÷Ñ¡Ôñ 1.ÈÛ¶ÏÆ÷ÌåµçÁ÷µÄÈ·¶¨

ÈÛÌå¶î¶¨µçÁ÷µÄÑ¡ÔñӦͬʱÂú×ãÕý³£¹¤×÷µçÁ÷ºÍÆô¶¯¼â·åµçÁ÷Á½¸öÌõ¼þ£¬²¢°²¶Ì·µçÁ÷УÑéÆ䶯×÷ÁéÃôÐÔ¡£

£¨1£©°´Õý³£¹¤×÷µçÁ÷Ñ¡Ôñ¡£¼´£º INr?IC £¨A£© £¨14-109£© £¨2£©°´Æ𶯼â·åµçÁ÷Ñ¡Ôñ¡£

1£©µ¥Ì¨µç¶¯»ú»Ø·£º INr?KIst£¨A£© £¨14-110£© 2£©ÅäµçÏß·£º INr?Kr? ?Ist1?Ic(n-1)??£¨A£© £¨14-111£©3£©ÕÕÃ÷Ïß·£º INr?KmIc£¨A£© £¨14-112£© ʽÖУºINr£­ÈÛÌåµÄ¶î¶¨µçÁ÷£¬A£»

Ic£­Ïß·µÄ¼ÆËãµçÁ÷£¬A£» Ist£­µç¶¯»úµÄÆ𶯵çÁ÷£¬A£»

Ist1£­Ïß·ÖÐÆ𶯵çÁ÷×î´óһ̨µç¶¯»úµÄÆ𶯵çÁ÷£¬A£»

Ic£¨n£­1£©£­³ýÆ𶯵çÁ÷×î´óһ̨µç¶¯»úÒÔÍâµÄÏß·¼ÆËãµçÁ÷£¬A£»

338

K£­ÈÛÌåÑ¡Ôñ¼ÆËãϵÊý£¬È¡¾öÓڵ綯»úµÄÆð¶¯×´¿öºÍÈÛ¶ÏÆ÷ÌØÐÔ£¬ÆäÖµ¼û±í14£­23£»

Kr£­ÅäµçÏß·ÈÛÌåÑ¡Ôñ¼ÆËãϵÊý£¬È¡¾öÓÚ×î´óһ̨µç¶¯»úµÄÆð¶¯×´¿ö£¬Ïß·¼ÆËãµçÁ÷Óë¼â·åµçÁ÷Ö®±ÈºÍÈÛ¶ÏÆ÷ÌØÐÔ¡£µ±Ist1ºÜСʱȡ1£¬µ±Ist1½Ï´óʱȡ0.5¡«0.6£¬µ±Ic£¨n£­1£©ºÜСʱ¿É°´K¿¼ÂÇ£»

Km£­ÕÕÃ÷Ïß·ÈÛÌåÑ¡Ôñ¼ÆËãϵÊý£¬È¡¾öÓÚµç¹âÔ´µÄÆð¶¯×´¿öºÍÈÛ¶ÏÆ÷ÌØÐÔ¡£ÆäÊýÖµ¼û±í14£­24¡£

±í14£­23 ÈÛÌåÑ¡Ôñ¼ÆËãϵÊý ÈÛ¶ÏÆ÷ÐͺŠÈÛÌå²ÄÁÏ ÈÛÌåµçÁ÷£¨A£© ¡Ü50 RT0 Í­ 60¡«200 £¾200 ¡Ü20 RT10 Í­ 25¡«50 60¡«100 ¡Ü60 RM7 RM1 RL1 RC1A Í­ п Í­ Í­ 80¡«350 £¾400 180¡«350 ¡Ü60 80¡«100 10¡«200 ¡Ü60 RM10 Í­ 80¡«200 £¾200 ÈÛÌåÑ¡Ôñ¼ÆËãϵÊýK µç¶¯»úÇáÔØÆ𶯠0.38 0.28 0.25 0.45 0.38 0.28 0.38 0.45 0.30 0.38 0.38 0.30 0.30 0.38 0.30 0.28 µç¶¯»úÖØÔØÆ𶯠0.45 0..30 0.30 0.60 0.45 0.30 0.45 0.50 0.40 0.45 0.45 0.38 0.38 0.45 0.38 0.30 ×¢£ºÇáÔØÆð¶¯Ê±¼ä°´¡Ü3s¿¼ÂÇ£»ÖØÔØÆð¶¯Ê±¼ä°´¡Ü8s¿¼ÂÇ£»¶ÔÆð¶¯Ê±¼ä³¬¹ý8s»òƵ·±Æ𶯣¬´øÓз´½ÓÖƶ¯µÄµç¶¯»ú£¬ÈÛÌå¶î¶¨µçÁ÷Ò˱ÈÖØÔØÆð¶¯Ê±¼Ó´óÒ»¼¶¡£

±í14£­24 ÕÕÃ÷Ïß·ÈÛÌåÑ¡Ôñ¼ÆËãϵÊýKmÖµ ÈÛ¶ÏÆ÷ÐͺŠRL1 RC1A ÈÛÌå²ÄÁÏ Í­¡¢Òø Ǧ¡¢Í­ ÈÛÌå¶î¶¨µçÁ÷£¨A£© ¡Ü60 ¡Ü60 °×³ãµÆ¡¢Ó«¹âµÆµÈ 1 1 Km ¸ßѹˮÒøµÆ 1.3¡ª1.7 1¡ª1.5 ¸ßѹÄÆµÆ 1.5 1.1 £¨3£©°´¶Ì·µçÁ÷УÑ鶯×÷ÁéÃôÐÔ¡£

ΪʹÈÛ¶ÏÆ÷¿É¿¿¶¯×÷£¬±ØÐëУÑéÆäÁéÃôÐÔ£¬¼´£º

Ik?min?Kop?r £¨14-113£© INr

339

ʽÖУºIk?min£­±»±£»¤Ï߶Î×îС¶Ì·µçÁ÷£¬¼´×îСÔËÐз½Ê½ÏµÄÁ½Ïà¶Ì·µçÁ÷¡£A£»

Kop?r£­ÈÛ¶ÏÆ÷¶¯×÷ϵÊý£¬Ò»°ãΪ4¡£

2.È۶ϹܵçÁ÷µÄÈ·¶¨ £¨1£©¶î¶¨µçÁ÷µÄÈ·¶¨¡£

°´ÕÕÈÛÌåµÄ¶î¶¨µçÁ÷¼°²úÆ·Ñù±¾ËùÁÐÊý¾Ý£¬¼´¿ÉÈ·¶¨ÈÛ¶ÏÆ÷È۹ܵĶµçÁ÷¡£ ³£ÓÃÈ۶ϹܶµçÁ÷ÓëÈÛÌåµÄ¶î¶¨µçÁ÷Ñ¡Ôñ¼û¸½Â¼¢ø£­1¡£

£¨2£©°´¶Ì·µçÁ÷УÑéÈÛ¶ÏÆ÷µÄ·Ö¶ÏÄÜÁ¦¡£

(3)

ÈÛ¶ÏÆ÷µÄ×î´ó¿ªÂ·µçÁ÷I0ff?rÓ¦´óÓÚ±»±£»¤Ïß·×î´óÈýÏà¶Ì·³å»÷µçÁ÷ÓÐЧֵIk£¬

¼´£º £¨14-114£© I?I(3)ͨ³£ÖÆÔ쳧ÌṩÈÛ¶ÏÆ÷µÄ¼«ÏÞ·Ö¶ÏÄÜÁ¦Îª½»Á÷µçÁ÷ÖÜÆÚ·ÖÁ¿ÓÐЧֵ£¬ÎªÁ˼ò»¯Ð£Ñ飬

(3)Ò²¿ÉÓñ»±£»¤Ïß·×î´óÈýÏà¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿ÓÐЧֵIpÀ´Ð£Ñé¡£¼´

0ff?rk I 0ff ? r ? I p £¨14-115£©

³£ÓÃÈÛ¶ÏÆ÷µÄ¼«ÏÞ·Ö¶ÏÄÜÁ¦¼û±í14£­25¡£

±í14£­25 ÈÛ¶ÏÆ÷µÄ¼«ÏÞ·Ö¶ÏÄÜÁ¦

¼«ÏÞ·Ö¶ÏÄÜÁ¦ ÐÍ ºÅ È۹ܶµçÁ÷£¨A£© »Ø·µçѹΪ380VʱµÄ½»Á÷µçµçÁ÷ÖÜÆÚ·ÖÁ¿ÓÐЧֵ£¨A£© 15 RM7 60 100¡«600 15 RM10 RT0 RT10 RT11 60 ¡Ý100 50¡«60 20¡«100 100¡«400 5 10 RC1A 15 30 60 100¡¢200 RL1 15¡«60 100¡¢20 2500 5000 20000 1200 3500 10000 5000 5000 5000 250 750 1000 1500 4000 5000 25000 50000 0.7 0.6 ¡Ý0.3 0.8 0.7 0.5 0.35 ¡Ý0.3 0.25 0.25 ?cos(3)3.ÈÛ¶ÏÆ÷ÈÛÌ嶯×÷Ñ¡ÔñÐÔµÄÅäºÏ

ÔÚµÍѹϵͳÖУ¬µ±µçÔ´²àÓ븺ºÉ²à¾ùÉèÓжÌ·±£»¤Ê±Ó¦¾¡Á¿Ê¹±£»¤×°ÖõĶ¯×÷ÓÐÑ¡

340

ÔñÐÔ¡£Èç¹û¶¼²ÉÓÃÈÛ¶ÏÆ÷±£»¤£¬Í¬ÐͺÅͬÈÛÌå²ÄÁϵÄÉÏϼ¶ÈÛ¶ÏÆ÷Ö®¼äÈÛÌåµçÁ÷µÈ¼¶Ïà²î2¡«4¼¶£¬Ò»°ã¾ÍÄÜÂú×ãÑ¡ÔñÐÔÒªÇó¡£

¶þ¡¢µÍѹ¶Ï·Æ÷µÄÑ¡Ôñ

1.µÍѹ¶Ï·Æ÷¶î¶¨µçÁ÷µÄÈ·¶¨

INz?Ic£¨A£© £¨14-116£©

ʽÖУºINz£­µÍѹ¶Ï·Æ÷µÄ¶î¶¨µçÁ÷£¬A£»

Ic£­Ïß·µÄ¼ÆËãµçÁ÷£¬A¡£

2.¹ýµçÁ÷ÍÑ¿ÛÆ÷Ñ¡Ôñ

£¨1£©Ë²Ê±¶¯×÷µÄ¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄÈ·¶¨

ÅäµçÓõÍѹ¶Ï·Æ÷µÄ˲ʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷£¬Ó¦¶ã¹ýÅäµçÏß·µÄ¼â·åµçÁ÷£¬¼´£º

??Ic(n-1)??Iz3?set?Kz3?set??Ist1? £¨A£© £¨14-117£©

ʽÖУºKz3.set£­µÍѹ¶Ï·Æ÷˲ʱÍÑ¿ÛÆ÷¿É¿¿ÏµÊý£¬Ò»°ãÈ¡1.2£»

?£­Ïß·ÖÐÆ𶯵çÁ÷×î´óһ̨µç¶¯»úµÄÈ«Æ𶯵çÁ÷£¨A£©£¬ÆäֵΪµç¶¯»úÆ𶯵çÁ÷Ist1Ist1µÄ1.7±¶£»

?£­³ýÆ𶯵çÁ÷×î´óһ̨µç¶¯»úÒÔÍâµÄÏß·¼ÆËãµçÁ÷£¬A¡£ Ic(n-1)¶ÔÑ¡ÔñÐÔÀ´Ëµ£¬µÍѹ¶Ï·Æ÷³ýÓ¦Âú×ãÉÏÊöÌõ¼þÍ⣬»¹Ó¦Âú×ã±»±£»¤Ïß·¸÷¼¶¼äÑ¡ÔñÐÔ

ÒªÇ󣬼´Õû¶¨µçÁ÷Ó¦´óÓÚ»òµÈÓÚÏÂÒ»¼¶µÍѹ¶Ï·Æ÷˲ʱ¶¯×÷µçÁ÷µÄÕû¶¨ÖµµÄ1.2±¶¡£

£¨2£©¶ÌÑÓʱ¶¯×÷µÄ¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄÈ·¶¨¡£ 1£©Õû¶¨µçÁ÷¡£

ÅäµçÓõÍѹ¶Ï·Æ÷µÄ¶ÌÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷£¬Ó¦Äܶã¹ý¶Ìʱ¼ä³öÏֵĸººÉ¼â·åµçÁ÷£¬¼´£º

Iz2?set?Kz2?rel??Ist1?Ic(n-1)?? £¨A£© £¨14-118£©

ʽÖУºKz2?rel£­µÍѹ¶Ï·Æ÷¶ÌÑÓʱÍÑ¿ÛÆ÷¿É¿¿ÏµÊý£¬È¡1.2£»

Ist1£­Ïß·ÖÐÆ𶯵çÁ÷×î´óһ̨µç¶¯»úµÄÆ𶯵çÁ÷£¬A£»

Ic(n-1)£­³ýÆ𶯵çÁ÷×î´óһ̨µç¶¯»úÒÔÍâµÄÏß·¼ÆËãµçÁ÷£¬A£»

2£©¶¯×÷ʱ¼äµÄÈ·¶¨¡£

¶ÌÑÓʱÖ÷ÒªÓÃÓÚ±£Ö¤±£»¤×°Öö¯×÷µÄÑ¡ÔñÐÔ¡£µÍѹ¶Ï·Æ÷ÑÓʱ¶Ï¿ªÊ±¼ä·Ö0.1£¨0.2£©s¡¢0.4sºÍ0.6sÈýÖÖ£¬ÓÉ´ËÈ·¶¨¶¯×÷ʱ¼ä¡£

£¨3£©³¤ÑÓʱ¶¯×÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄµçÁ÷Õû¶¨ÓëЧÑé¡£

1£©Õû¶¨µçÁ÷¡£µÍѹÓöÏ·Æ÷µÄ³¤ÑÓʱ¶¯×÷¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷Ϊ

Iz1?set?Kz1?relIc £¨A£© £¨14-119£©

ʽÖУºKz1?rel£­³¤ÑÓʱÍÑ¿ÛÆ÷¿É¿¿²ÎÊý£¬È¡1.1£»

Ic£­Ïß·µÄ¼ÆËãµçÁ÷£¬A¡£

2£©¶¯×÷ʱ¼äУÑ顣УÑéµÍѹ¶Ï·Æ÷ÔÚ3±¶Iz1?setʱ¿É·µ»Øʱ¼ä£¬Ó¦´óÓڶ̷ʱ¼â·åµçÁ÷µÄ³ÖÐøʱ¼ä¡£¸ù¾ÝµÍѹ¶Ï·Æ÷±ê×¼£¬ÅäµçÓõÍѹ¶Ï·Æ÷µÄ³¤ÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷¶¯×÷ÌØÐÔ

341

¼û±í14£­26£¬·µ»ØµçÁ÷ֵΪÆäÕû¶¨µçÁ÷ÖµµÄ90%¡£

±í14£­26 ³¤ÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷¶¯×÷ÌØÐÔ

ÏÂÁжµçÁ÷ÍÑ¿ÛÆ÷µÄ¶¯×÷ʱ¼ä ¡Ü100A ²»¶¯×÷ £¼1h £¼4min ¿É·µ»Øʱ¼ä£¾1s»ò3s £¾100A ²»¶¯×÷ £¼1h £¼10min ¿É·µ»Øʱ¼ä£¾3s»ò8s»ò15s Ïß·µçÁ÷?? ?Iz1?set?ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷??1.0 1.3 2.0 3.0 I£¨4£©ÕÕÃ÷ÓõÍѹ¶Ï·Æ÷µÄ¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄÕû¶¨¡£

ÕÕÃ÷ÓõÍѹ¶Ï·Æ÷µÄ³¤ÑÓʱºÍ˲ʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷·Ö±ðΪ£º

Iz1?set?Kk1Ic £¨A£© £¨14-120£© Iz3?set?Kk3Ic £¨A£© £¨14-121£©

ʽÖУºIc£­ÕÕÃ÷Ïß·µÄ¼ÆËãµçÁ÷£¬A£»

Kk1¡¢Kk3£­³¤ÑÓʱºÍ˲ʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷¼ÆËãϵÊý£¬ÆäÊýÖµ¼û±í14£­27¡£

ÕÕÃ÷ÓõÍѹ¶Ï·Æ÷µÄ¶¯×÷ÌØÐÔ£¬Ó¦·ûºÏ±í14£­28µÄ¹æ¶¨¡£

±í14£­27 ÕÕÃ÷ÓõÍѹ¶Ï·Æ÷³¤ÑÓʱºÍ˲ʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷¼ÆËãϵÊý

×Ô¶¯¿ª¹Ø ´øÈÈÍÑ¿ÛÆ÷ ´ø˲ʱÍÑ¿ÛÆ÷ ¼ÆËãϵÊý Kk3 Kk1 °×³ãµÆ¡¢Ó«¹âµÆ¡¢Â±ÎÙµÆ 1 6 ¸ßѹˮÒøµÆ 1.1 6 ¸ßѹÄÆµÆ 1 6 ±í14£­28 ÕÕÃ÷µÍѹ¶Ï·Æ÷µÄ¶¯×÷ÌØÐÔ

I?Ïß·µçÁ÷? ?Iz1?set?ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷??1.0 1.3 ¶¯×÷ʱ¼ä ²»¶¯×÷ £¼1h I?Ïß·µçÁ÷? ?Iz1?set?ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷??2.0 2.6 ¶¯×÷ʱ¼ä £¼4min ˲ʱ¶¯×÷ 3.µÍѹ¶Ï·Æ÷µÄУÑé

³£°´¶Ì·µçÁ÷УÑéµÍѹ¶Ï·Æ÷µÄ·Ö¶ÏÄÜÁ¦

£¨1£©·Ö¶Ïʱ¼ä´óÓÚ0.02sµÄµÍѹ¶Ï·Æ÷µÄУÑé¡£

(3) £¨14-122£© Ioff?z?IpʽÖУºIoff?z£­ÒÔ½»Á÷µçÁ÷ÖÜÆÚ·ÖÁ¿ÓÐЧֵ±íʾµÄµÍѹ¶Ï·Æ÷¼«ÏÞ·Ö¶ÏÄÜÁ¦£¬kA£»

(3)£­±»±£»¤Ïß·µÄÈýÏà¶Ì·µçÁ÷ÖÜÆÚ·ÖÁ¿ÓÐЧֵ£¬kA£» Ip£¨2£©·Ö¶Ïʱ¼äСÓÚ0.02sµÄµÍѹ¶Ï·Æ÷µÄУÑé¡£

(3) £¨14-123£© Ioff?lim?z?IpmʽÖУºIoff?lim?z£­µÍѹ¶Ï·Æ÷¿ª¶ÏµçÁ÷£¨³å»÷µçÁ÷ÓÐЧֵ£©£¬kA£»

(3)£­¶Ì·¿ªÊ¼µÚÒ»ÖÜÆÚÄÚµÄÈ«µçÁ÷ÓÐЧֵ£¬A£» Ipm³£ÓõÍѹ¶Ï·Æ÷µÄ¼«ÏÞ·Ö¶ÏÄÜÁ¦Êý¾Ý¼û¸½Â¼¢ø£­2¡£

342

£¨3£©°´¶Ì·µçÁ÷УÑéµÍѹ¶Ï·Æ÷¶¯×÷ÁéÃôÐÔ¡£

ΪʹµÍѹ¶Ï·Æ÷¿É¿¿¶¯×÷£¬±ØÐëУÑéÆäÁéÃôÐÔ£¬¼´£º

Ik?min?Kop?z £¨14-124£© Iz?setʽÖУºIk?min£­±»±£»¤Ï߶Î×îС¶Ì·µçÁ÷£¬A£»

Iz?set£­µÍѹ¶Ï·Æ÷ÍÑ¿ÛÆ÷µÄ˲ʱ»òÑÓʱÕû¶¨µçÁ÷£¬A£» Kop?z£­µÍѹ¶Ï·Æ÷¶¯×÷ϵÊý£¬³£È¡1.5¡£

Èý¡¢µ¶¿ª¹Ø¡¢½Ó´¥Æ÷ºÍÈȼ̵çÆ÷µÄÑ¡Ôñ 1.µ¶¿ª¹ØµÄÑ¡Ôñ

µ¶¿ª¹Ø°´Ïß·µÄ¶î¶¨µçѹ¡¢¼ÆËãµçÁ÷¼°¶Ï¿ªµçÁ÷Ñ¡Ôñ£¬°´¶Ì·ʱµÄ¶¯¡¢ÈÈÎȶ¨Ð£Ñé¡£µ¶¿ª¹Ø¶Ï¿ªµÄ¸ººÉµçÁ÷²»Ó¦³¬¹ý²úÆ·¹æ¶¨µÄ¶¯¡¢ÈÈÎȶ¨Öµ£¬µ¶¿ª¹Ø¶¯¡¢ÈÈÎȶ¨ÐԺͱ£°²ÐԵļ¼ÊõÊý¾Ý¼û±í14£­29¡£

±í14£­29 µ¶¿ª¹Ø¶¯¡¢ÈÈÎȶ¨ÐԺͱ£°²ÐÔ¼¼ÊõÊý¾Ý ¶î¶¨¹¤×÷µçÁ÷£¨A£© 1sÈÈÎȶ¨µçÁ÷ÓÐЧֵ£¨kA£© µç¶¯Îȶ¨µçÁ÷·åÖµ£¨kA£© ¼«ÏÞ±£°²µçÁ÷·åÖµ£¨kA£© ÖÐÑëÊÖ±úʽ ¸Ü¸Ë²Ù×÷ʽ ÖÐÑëÊÖ±úʽ ¸Ü¸Ë²Ù×÷ʽ ÖÐÑëÊÖ±úʽ ¸Ü¸Ë²Ù×÷ʽ 6 10 20 25 30 7 12 20 25 30 35 15 20 30 40 50 15 25 40 50 70 90 30 40 50 60 30 40 50 60 95 110 IN?100 100£¼IN¡Ü250 250£¼IN¡Ü400 400£¼IN¡Ü630 630£¼IN¡Ü1000 1000£¼IN¡Ü1600 ×¢£º¼«ÏÞ±£°²µçÁ÷·åÖµ£¬ÊǵçÆ÷ͨ¹ýµÄ¶Ì·ȫµçÁ÷·åÖµ£¬³ÖÐøͨµç0.1sºó£¬ÔÊÐí±»Ê½µçÆ÷µ¼Ìå±äÐΣ¬´¥Í·ÈÛº¸£¬ÉõÖÁ¸ü»»´¥Í·µÈÒ×ËðÁã¼þ»òÕû¸ö²úÆ·£¬µ«²»µÃ²úÉúµ¼ÖÂÏàÁÚ×°ÖõĵçÆ÷»òÏàÁڻط·¢Éú¶Ì··É»¡ÒÔ¼°Î£º¦²Ù×÷ÈËÔ±°²È«µÄʹʡ£

2.½»Á÷½Ó´¥Æ÷µÄÑ¡Ôñ

½»Á÷½Ó´¥Æ÷ÔÚ²»Í¬Ê¹Óó¡ºÏϵIJÙ×÷Ìõ¼þ´æÔںܴó²îÒ죬¼´Æä¶î¶¨¹¤×÷µçÁ÷»ò¶î¶¨¿ØÖƹ¦ÂÊËæʹÓÃÌõ¼þ£¨¶î¶¨¹¤×÷µçѹ¡¢Ê¹ÓÃÀà±ðµÈ£©²»Í¬¶ø±ä»¯¡£Ö»Óиù¾Ý²»Í¬Ê¹ÓÃÌõ¼þÕýÈ·Ñ¡ÓÃÆäÈÝÁ¿µÈ¼¶£¬²ÅÄܱ£Ö¤½Ó´¥Æ÷ÔÚ¿ØÖÆϵͳÖг¤ÆÚ¿É¿¿ÔËÐС£

£¨1£©°´µç¶¯»úµÄ¶î¶¨¹¦ÂÊ»òÏß·µÄ¼ÆËãµçÁ÷Ñ¡Ôñ½Ó´¥Æ÷µÄµÈ¼¶£¬²¢¸ù¾Ý°²×°ÏÖ³¡Ñ¡Ôñ½á¹¹ÐÎʽ¡£

£¨2£©°´¶Ì·ʱµÄ¶¯¡¢ÈÈÎȶ¨Ð£Ñé¡£Ïß·µÄÈýÏà¶Ì·µçÁ÷²»Ó¦³¬¹ý½Ó´¥Æ÷µÄ¶¯¡¢ÈÈÎȶ¨Öµ¡£µ±Ê¹½Ó´¥Æ÷ÄÜÇж϶Ì·µçÁ÷ʱ£¬»¹Ó¦Ð£ÑéÆä·Ö¶ÏÄÜÁ¦¡£

£¨3£©½Ó´¥Æ÷ÎüÒýÏßȦµÄ¶î¶¨µçÁ÷¡¢µçѹ¼°¸¨Öú´¥Í·µÄÊýÄ¿Âú×ã¿ØÖƻط½ÓÏßµÄÒªÇó¡£ £¨4£©¸ù¾Ý²Ù×÷´ÎÊýУÑé½Ó´¥Æ÷ÔÊÐíµÄ²Ù×÷ƵÂÊ¡£

³£ÓÃCJ10¡¢CJ12ϵÁн»Á÷½Ó´¥Æ÷Ö÷Òª¼¼ÊõÖ¸±ê¼û¸½Â¼¢ø£­3¡£

343

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ì滻Ϊ@)