ÑïÖÝ´óѧ¹ãÁêѧԺ

±¾¿ÆÉú¿Î³ÌÉè¼Æ

Ìâ Ä¿£º¹«°²¾Ö°ì¹«Â¥10kv±äµçËùµçÆøÉè¼Æ

¿Î ³Ì£º ¹©Åäµç¹¤³Ì ר Òµ£º °à ¼¶£º XXX ѧ ºÅ: XXX ÐÕ Ãû£º XXX Ö¸µ¼½Ìʦ£º XXX Íê³ÉÈÕÆÚ£º 2011Äê3ÔÂ5ÈÕ

ÑïÖÝ´óѧ¹ãÁêѧԺ

¹©Åäµç¹¤³Ì¿Î³ÌÉè¼ÆÈÎÎñÊé

1£®Ìâ Ä¿

¹«°²¾Ö°ì¹«Â¥10kV±äµçËùµçÆøÉè¼Æ

2£®Ô­Ê¼×ÊÁÏ

2.1 ¿ÎÌâԭʼ×ÊÁÏ

¸÷¿ÎÌâµÄ¹¤³Ì¸Å¿ö¼°¸ººÉÏê¼û¹¤³Ìͼֽ×ÊÁÏ£¨Áí¸½£©¡£ 2.2 ¹©µçÌõ¼þ

£¨1£©¹©µç²¿ÃÅ110/10kV±äµçËùλÓÚ¹¤³Ì¸½½ü1.5km´¦£¬10kVĸÏ߶Ì·µçÁ÷Ϊ20kA£¬¸ù¾ÝÐèÒª¿ÉÌṩ¸øÓû§1·»ò2·10kVרÏß¹©µç¡£

£¨2£©²ÉÓø߹©¸ß¼Æ£¬ÒªÇóÔÂƽ¾ù¹¦ÂÊÒòÊý²»ÉÙÓÚ0.95¡£²»Í¬µç¼Û¸ººÉ£¬¼ÆÁ¿·Ö¿ª¡£ÈçѧУÓõçͳһִÐоÓÃñµç¼Û£¬¹«¹²½¨ÖþÖ´ÐÐÉÌÒµÕÕÃ÷µç¼Û¡¢·Ç¹¤Òµ¶¯Á¦µç¼Û£¬¹¤ÒµÆóÒµÉú²úÓõçͳһִÐдó¹¤Òµµç¼Û¡¢Ö°¹¤Éú»îÓõçÖ´ÐоÓÃñµç¼Û¡£

£¨3£©¹©µç²¿ÃÅÒªÇóÓû§±äµçËù¸ßѹ¼ÆÁ¿¹ñÔÚ½øÏßÖ÷¿ª¹Ø¹ñ֮ǰ£¬ÇÒµÚÒ»¹ñΪ¸ôÀë¹ñ¡£ 2.3 ÆäËû×ÊÁÏ

µ±µØ×îÈÈÔµÄÈÕ×î¸ßÆøÎÂƽ¾ùֵΪ38¡æ£¬Äê×îÈÈÔµØÏÂ0.8m´¦×î¸ßζÈƽ¾ùֵΪ25¡æ¡£µ±µØÄêÀ×±©ÈÕÊýΪ35Ìì¡£µ±µØµØÖÊƽ̹£¬º£°Î¸ß¶ÈΪ100m£¬ÍÁÈÀΪÆÕͨճÍÁ¡£

3£®¾ßÌåÈÎÎñ¼°¼¼ÊõÒªÇó

±¾´Î¿Î³ÌÉè¼Æ¹²1ÖÜʱ¼ä£¬¾ßÌåÈÎÎñÓëÈճ̰²ÅÅÈçÏ£º

µÚ1ÖÜÖÜÒ»£ºÊìϤ×ÊÁϼ°Éè¼ÆÈÎÎñ£¬¸ººÉ¼ÆËãÓëÎÞ¹¦²¹³¥¡¢±äѹÆ÷Ñ¡Ôñ¡£ Öܶþ£º¹©Åäµçϵͳһ´Î½ÓÏßÉè¼Æ£¬Éè¼Æ»æÖƱäµçËù¸ßѹ²àÖ÷½ÓÏßͼ¡£

ÖÜÈý£º¶Ì·µçÁ÷¼ÆË㣬¸ßµÍѹµçÆ÷¼°µçÏßµçÀÂÑ¡Ôñ¼ÆËã¡£ ÖÜËÄ£ºÉè¼Æ»æÖƱäµçËùµÍѹ²àÖ÷½ÓÏßͼ¡£

2

ÖÜÎ壺±àÖÆÉè¼Æ±¨¸æÕýÎÄ£¨Éè¼Æ˵Ã÷Êé¡¢¼ÆËãÊ飩µç×Ӱ棬ÕûÀí´òÓ¡

Éè¼Æ±¨¸æ£¬½»Éè¼Æ³É¹û¡£

ÒªÇó¸ù¾ÝÉè¼ÆÈÎÎñ¼°¹¤³Ìʵ¼ÊÇé¿ö£¬°´ÕÕ°²È«¿É¿¿¡¢¼¼ÊõÏȽø¡¢¾­¼ÃºÏÀíµÄÒªÇ󣬶ÀÁ¢Íê³É10kV±äµçËùµÄµçÆøÉè¼Æ¡£Éè¼ÆÉî¶ÈÓ¦´ïµ½³õ²½Éè¼ÆÒªÇó£¬ÖÆͼӦ·ûºÏ¹ú¼Ò¹æ·¶ÒªÇó¡£

4£®ÊµÎïÄÚÈݼ°ÒªÇó

¿Î³ÌÉè¼Æ±¨¸æÎı¾ÄÚÈÝ°üÀ¨£º1.·âÃ棻2.ÈÎÎñÊ飻3.Ŀ¼£»4.ÕýÎÄ£»5.ÖÂл£»6.²Î¿¼ÎÄÏ×£»7.¸½Â¼£¨¿Î³ÌÉè¼ÆÓйØͼֽ£©¡£ 4.1 Éè¼Æ±¨¸æÕýÎÄÄÚÈÝ

£¨1£©¹¤³Ì¸Å¿öÓëÉè¼ÆÒÀ¾Ý £¨2£©¸ººÉ¼ÆËãÓëÎÞ¹¦²¹³¥Éè¼Æ £¨3£©¹©Åäµçϵͳһ´Î½ÓÏßÉè¼Æ £¨4£©±äµçËùÉè¼Æ

£¨5£©¶Ì·¼ÆËãÓë¸ßµÍѹµçÆ÷Ñ¡Ôñ £¨6£©µçÏßµçÀÂÑ¡Ôñ £¨7£©µÍѹÅäµçÏß·±£»¤Éè¼Æ

Éè¼Æ±¨¸æÕýÎıàдµÄÒ»°ãÒªÇóÊÇ£º±ØÐë²ûÃ÷Éè¼ÆÖ÷Ì⣬ͻ³ö²ûÊöÉè¼Æ·½°¸¡¢ÎÄ×Ö¾«Á¶¡¢¼ÆËã¼òÃ÷£¬ÌõÀíÇåÎú¡¢²ã´Î·ÖÃ÷¡££¨±äµçËù³öÏß²¿·ÖÄÚÈݸ÷ÓвàÖØ£©

Éè¼Æ±¨¸æÕýÎIJÉÓÃA4Ö½´òÓ¡¡£ 4.2 Éè¼Æͼֽ

£¨1£©±äµçËù¸ßѹ²àµçÆøÖ÷½ÓÏßͼ£¨1ÕÅA3£© £¨2£©±äµçËùµÍѹ²àµçÆøÖ÷½ÓÏßͼ£¨2¡«4ÕÅA3£©

Éè¼Æͼֽ»æÖƵÄÒ»°ãÒªÇóÊÇ£ºÂú×ãÉè¼ÆÒªÇó£¬×ñÑ­ÖÆͼ±ê×¼£¬ÒÀ¾ÝÉè¼Æ¹æ·¶£¬±ÈÀýÊʵ±¡¢²¼¾ÖºÏÀí£¬½²¾¿»æͼÖÊÁ¿¡££¨±äµçËù³öÏß²¿·ÖÄÚÈݸ÷ÓвàÖØ£©

Éè¼Æͼֽ²ÉÓÃA3ͼֽCAD³öͼ¡£Ó뱨¸æÕýÎÄÒ»Æð×°¶©³É²á¡£

5£®²Î¿¼ÎÄÏ×

[1] ÎÌË«°²Ö÷±à£®¹©Åäµç¹¤³ÌÉè¼ÆÖ¸µ¼[M]£®±±¾©£º»úе¹¤Òµ³ö°æÉ磬2008 [2] ÎÌË«°²Ö÷±à£®¹©µç¹¤³Ì[M]£®±±¾©£º»úе¹¤Òµ³ö°æÉ磬2004

3

[3] ÈÎÔª»áÖ÷±à£®¹¤ÒµÓëÃñÓÃÅäµçÉè¼ÆÊÖ²á[M]£®3°æ£®±±¾©£ºÖйúµçÁ¦³ö°æÉ磬2005

6£®Íê³ÉÆÚÏÞ

ÈÎÎñÊéдÓÚ2011Äê2ÔÂ21ÈÕ£¬Íê³ÉÆÚÏÞΪ2011Äê3ÔÂ7ÈÕ

7¡¢Ö¸µ¼½Ìʦ£º ÓÚÕÕ

4

Ŀ ¼

1 ¹¤³Ì¸Å¿öÓëÉè¼ÆÒÀ¾Ý¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.6 1.1 ¹¤³Ì¸Å¿ö¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­6 1.2 Éè¼ÆÒÀ¾Ý¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.6 2 ¸ººÉ¼ÆËã¼°ÎÞ¹¦²¹³¥Éè¼Æ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..7 2.1 ¸ººÉÊý¾Ý¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..7 2.2 ¸ººÉ¼ÆËã¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.8 2.2.1ÕÕÃ÷¸ººÉµÍѹÅäµç¸ÉÏ߸ººÉ¼ÆËã¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­8 2.2.2µçÁ¦¸ººÉÓëƽʱÏû·À¸ººÉµÍѹÅäµç¸ÉÏ߸ººÉ¼ÆËã¡­¡­¡­¡­¡­¡­¡­8 2.2.3 »ðÔÖʱÏû·À¸ººÉµÍѹÅäµç¸ÉÏ߸ººÉ¼ÆËã¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..9 2.2.4 ±äµçËù¸ººÉ¼ÆËã¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..9 3 ¹©Åäµçϵͳһ´Î½ÓÏßÉè¼Æ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­10

3.1 ¸ººÉ·Ö¼¶¼°¹©µçµçÔ´¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..11 3.2 µçѹѡÔñÓëµçÄÜÖÊÁ¿¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.11 3.3 µçÁ¦±äѹÆ÷Ñ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.11 3.4 ±äµçËùµçÆøÖ÷½ÓÏßÉè¼Æ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.13 3.4.1 ±äµçËù¸ßѹ²àµçÆøÖ÷½ÓÏßÉè¼Æ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..14 3.4.2 ±äµçËùµÍѹ²àµçÆøÖ÷½ÓÏßÉè¼Æ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..14 4 ¶Ì·µçÁ÷¼ÆËãÓë¸ßµÍѹµçÆ÷Ñ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­15

4.1 ±äµçËù¸ßѹ²à¶Ì·µçÁ÷¼ÆËã¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..16 4.2 µÍѹµçÍø¶Ì·µçÁ÷¼ÆËã¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..16 4.2.1 ±äѹÆ÷µÍѹ²à¶Ì·µçÁ÷¼ÆËã¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..16 4.2.2 µÍѹÅäµçÏß·¶Ì·µçÁ÷¼ÆËã¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ ..17 4.3 ¸ßѹµçÆ÷Ñ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.20 4.4 ¸ßѹ»¥¸ÐÆ÷Ñ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.21 4.5 µÍѹ¶Ï·Æ÷µÄ³õ²½Ñ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.21 4.5.1Åäµç¸ÉÏß±£»¤¶Ï·Æ÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄ³õ²½Ñ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­22 4.5.2±äµçËùµÍѹµçÔ´½øÏ߶Ï·Æ÷µÄ³õ²½Ñ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­22 5 µçÏßµçÀÂÑ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.23

5

5.1 ¸ßѹ½ø³öÏßµçÀÂÑ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.23 5.2 ±äµçËùӲĸÏßÑ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.24 5.3 µÍѹÅäµç¸ÉÏßµçÀÂÑ¡Ôñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.25 6µÍѹÅäµçÏß·±£»¤Éè¼Æ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.25

6.1 µÍѹÅäµçÏß·µÄ±£»¤ÉèÖá­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.25 6.2 µÍѹ¶Ï·Æ÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄÕû¶¨¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.27 6.2.1 Åäµç¸ÉÏß±£»¤¶Ï·Æ÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄÕû¶¨¡­¡­¡­¡­¡­¡­¡­¡­¡­28 6.2.2 ±äµçËùµÍѹµçÔ´½øÏ߶Ï·Æ÷µÄÕû¶¨¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..29

1¹¤³Ì¸Å¿ö¼°Éè¼ÆÒÀ¾Ý

1.1.1¹¤³Ì¸Å¿ö

±¾½¨ÖþÒ»¹²16²ã£¬ÊôÒ»Àà¸ß²ã½¨Öþ¡£µØÏÂÒ»²ãΪÉ豸Ó÷¿¼°ÈË·À¡£¹©µçÌõ¼þ£º£¨1£©¹©µç²¿ÃÅ110/10kV±äµçËùλÓÚ¹¤³Ì¸½½ü1.5km´¦£¬10kVĸÏ߶Ì·µçÁ÷Ϊ20kA£¬¸ù¾ÝÐèÒª¿ÉÌṩ¸øÓû§1·»ò2·10kVרÏß¹©µç¡££¨2£©²ÉÓø߹©¸ß¼Æ£¬ÒªÇóÔÂƽ¾ù¹¦ÂÊÒòÊý²»ÉÙÓÚ0.95¡£²»Í¬µç¼Û¸ººÉ£¬¼ÆÁ¿·Ö¿ª¡£ÈçѧУÓõçͳһִÐоÓÃñµç¼Û£¬¹«¹²½¨ÖþÖ´ÐÐÉÌÒµÕÕÃ÷µç¼Û¡¢·Ç¹¤Òµ¶¯Á¦µç¼Û£¬¹¤ÒµÆóÒµÉú²úÓõçͳһִÐдó¹¤Òµµç¼Û¡¢Ö°¹¤Éú»îÓõçÖ´ÐоÓÃñµç¼Û¡££¨3£©¹©µç²¿ÃÅÒªÇóÓû§±äµçËù¸ßѹ¼ÆÁ¿¹ñÔÚ½øÏßÖ÷¿ª¹Ø¹ñ֮ǰ£¬ÇÒµÚÒ»¹ñΪ¸ôÀë¹ñ¡£ÆäËû×ÊÁÏ£ºµ±µØ×îÈÈÔµÄÈÕ×î¸ßÆøÎÂƽ¾ùֵΪ38¡æ£¬Äê×îÈÈÔµØÏÂ0.8m´¦×î¸ßζÈƽ¾ùֵΪ25¡æ¡£µ±µØÄêÀ×±©ÈÕÊýΪ35Ìì¡£µ±µØµØÖÊƽ̹£¬º£°Î¸ß¶ÈΪ100m£¬ÍÁÈÀΪÆÕͨճÍÁ¡£

1.1.2 Éè¼ÆÒÀ¾Ý

1£©Éè¼ÆÈÎÎñÊé

2£©¹ú¼ÒÏÖÐеçÆøÉè¼Æ¹æ·¶£º

a£©¹©ÅäµçϵͳÉè¼Æ¹æ·¶ GB50052-95 b) 10kV¼°ÒÔϱäµçËùÉè¼Æ¹æ·¶ GB50053-94 c) µÍѹÅäµçϵͳÉè¼Æ¹æ·¶ GB50054-95 d£©ÃñÓý¨ÖþµçÆøÉè¼Æ¹æ·¶ JGJ/T 16-92µÈ 3£©Ïà¹ØרҵÌṩµÄÌõ¼þ 4) µ±µØ¹©µç²¿ÃÅÓйعÜÀí¹æ¶¨ 5£©ÒµÖ÷ÓйØÒªÇó

6

2.¸ººÉ¼ÆËã¼°ÎÞ¹¦²¹³¥Éè¼Æ

2.1 ¸ººÉÊý¾Ý »Ø·Ãû³Æ WLI-1 WLI-2 WLI-3 WLI-4-1 WLI-4-2 WLI-4-3 WLI-4-4 WLI-5-1 WLI-5-2 WLI-5-3 WLI-7 WLI-8 WLI-9 WLI-10 WLI-11 WLI-12 WLI-13 WLI-14 WLI-15 WLI-16 WLI-B10 WLI-B11 WLI-B12 I¶ÎĸÏßºÏ¼Æ WLII-17 WLII-16 WLII-15 WLII-14 WLII-12 WLII-11 WLII-8-3 WLII-8-2 WLII-8-1 WLII-7

Óй¦ ÎÞ¹¦ ÊÓÔÚ ¶î¶¨ÈÝÐèҪϵ¹¦ÂÊÒò¼ÆËãµç ¹¦ÂÊ ¹¦ÂÊ ¹¦ÂÊ Á¿ /kW ÊýKd Êýcos¦Õ Á÷ A /kW /kvar /kVA 120 119 0.8 0.8 0.8 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.8 0.8 0.85 0.85 0.85 0.7 0.7 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.8 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 7

96.0 95.2 37.6 9.6 7.2 7.2 16.0 10.4 16.0 13.6 72.8 151.2 12.0 96.0 41.2 4.0 4.0 40.0 12.0 12.0 16.0 20.0 20.0 677.6 40.0 137.6 94.4 72.0 48.0 97.6 9.6 12.0 15.2 40.0 59.5 59.0 23.3 5.9 4.5 4.5 9.9 6.4 9.9 8.4 54.6 113.4 7.4 59.5 25.5 4.1 4.1 24.8 7.4 7.4 9.9 12.4 12.4 420.0 24.8 103.2 58.5 44.6 29.7 60.5 5.9 7.4 9.4 24.8 112.9 171.7 112.0 170.2 44.2 11.3 8.5 8.5 18.8 12.2 18.8 16.0 91.0 189.0 14.1 112.9 48.5 5.7 5.7 47.1 14.1 14.1 18.8 23.5 23.5 797.2 47.1 172.0 111.1 84.7 56.5 114.8 11.3 14.1 17.9 47.1 67.2 17.2 12.9 12.9 28.6 18.6 28.6 24.3 138.3 287.3 21.5 171.7 73.7 8.7 8.7 71.5 21.5 21.5 28.6 35.8 35.8 1211.8 71.5 261.4 168.8 128.8 85.8 174.5 17.2 21.5 27.2 71.5 47 0.8 12 9 0.8 9 0.8 20 0.8 13 0.8 20 0.8 17 0.8 91 0.8 189 0.8 15 0.8 120 0.8 51.5 0.8 20 0.2 20 0.2 50 0.8 15 0.8 15 0.8 20 0.8 25 0.8 25 0.8 1042.5 0.65 50 0.8 172 0.8 118 0.8 90 0.8 120 0.4 122 0.8 12 0.8 15 0.8 19 0.8 50 0.8

WLII-B9-1 WLII-B9-2 WLII-B8-1 WLII-B8-2 WLII-B7-1 WLII-B7-2 WLII-B6 II¶ÎĸÏߺϼÆ

2.2 ¸ººÉ¼ÆËã

75 1.5 75 1.5 8 7.5 32 968.5 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.65 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 60.0 1.2 60.0 1.2 6.4 6.0 25.6 629.5 37.2 0.7 37.2 0.7 4.0 3.7 15.9 390.1 70.6 1.4 70.6 1.4 7.5 7.1 30.1 740.6 107.3 2.1 107.3 2.1 11.4 10.7 45.8 1125.7 2.2.1ÕÕÃ÷¸ººÉµÍѹÅäµç¸ÉÏ߸ººÉ¼ÆËã

2-1ÕÕÃ÷¸ººÉµÍѹÅäµç¸ÉÏ߸ººÉ¼ÆËã±í

ÕÕÃ÷»Ø·Ãû³Æ WLI-2 WLI-3 WLI-4-1 WLI-4-4 WLI-B-10 WLII-7 WLII-11 WLII-17 ºÏ¼Æ ³ËͬʱϵÊý£¨0.75/0.80) ¶î¶¨ÐèҪϵÊýÈÝÁ¿ Kd /kW 119 0.8 47 12 20 20 50 122 50 440 440 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.60 ¹¦ÂÊÒòÊýcos¦Õ 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.83 Óй¦/kW ¹¦ ÎÞ¹¦ ÊÓÔÚ ÂÊ ¹¦ÂÊ ¹¦ÂÊ ¼ÆËãµçÁ÷ A /kvar /kVA 59.0 23.3 5.9 9.9 9.9 24.8 60.5 24.8 218.2 174.5 112.0 44.2 11.3 18.8 18.8 47.1 114.8 47.1 414.1 316.5 170.2 67.2 17.2 28.6 28.6 71.5 174.5 71.5 629.5 481.0 95.2 37.6 9.6 16.0 16.0 40.0 97.6 40.0 352.0 264.0

2.2.2µçÁ¦¸ººÉÓëƽʱÏû·À¸ººÉµÍѹÅäµç¸ÉÏ߸ººÉ¼ÆËã

2-2µçÁ¦¸ººÉµÍѹÅäµç¸ÉÏ߸ººÉ¼ÆËã±í

µçÁ¦¼°Æ½Ê±Ïû·À»Ø·Ãû³Æ WLI-1 WLI-4-2 WLI-4-3 WLI-5 WLI-7 WLI-8

¶î¶¨ÈÝÁ¿ /kW 120 9 9 50 91 189 ÐèҪϵÊýKd 0.8 0.8 0.8 0.8 0.8 0.8 ¹¦ÂÊÒòÊýcos¦Õ 0.85 0.85 0.85 0.85 0.8 0.8 8

Óй¦ ÎÞ¹¦ ÊÓÔÚ ¼ÆËãµçÁ÷ ¹¦ÂÊ ¹¦ÂÊ ¹¦ÂÊ A /kW /kvar /kVA 96.0 7.2 7.2 40.0 72.8 151.2 59.5 4.5 4.5 24.8 54.6 112.9 8.5 8.5 47.1 91.0 171.7 12.9 12.9 71.5 138.3 287.3 113.4 189.0

WLI-9 WLI-10 WLI-11 WLI-12 WLI-13 WLI-14 WLI-15 WLI-16 WLI-B-11 WLI-B-12 WLII-8 WLII-12 WLII-14 WLII-15 WLII-16 WLII-B-6 WLII-B-7 WLII-B-8 WLII-B-9 ºÏ¼Æ ³ËͬʱϵÊý£¨0.75/0.80) 15 120 51.5 20 20 50 15 15 25 25 46 120 90 118 172 32 15.5 76.5 76.5 1571 1571 0.8 0.8 0.8 0.2 0.2 0.8 0.8 0.8 0.8 0.8 0.8 0.4 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.75 0.57 0.85 0.85 0.85 0.7 0.7 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.8 0.85 0.85 0.85 0.85 0.83 0.82 12.0 96.0 41.2 4.0 4.0 40.0 12.0 12.0 20.0 20.0 36.8 48.0 72.0 94.4 137.6 25.6 12.4 61.2 61.2 1184.8 888.6 7.4 59.5 25.5 4.1 4.1 24.8 7.4 7.4 12.4 12.4 22.8 29.7 44.6 58.5 15.9 7.7 37.9 37.9 14.1 112.9 48.5 5.7 5.7 47.1 14.1 14.1 23.5 23.5 43.3 56.5 84.7 111.1 30.1 14.6 72.0 72.0 21.5 171.7 73.7 8.7 8.7 71.5 21.5 21.5 35.8 35.8 65.8 85.8 128.8 168.8 261.4 45.8 22.2 109.4 109.4 2160.0 1653.6 103.2 172.0 1421.784.6 0 1087.627.7 9

2.2.3 ±äµçËù¸ººÉ¼ÆËã

2-3±äµçËù¸ººÉ¼ÆËã±í

¶î¶¨ÈÝÐèҪϵÁ¿ /kW ÊýKd 440.0 0.80 1571.0 0.75 2011 2011 2011 0.57 0.57 0.57 2011.0 0.76 ¹¦ÂÊÒòÊýcos¦Õ 0.85 0.83 0.84 0.82 0.95 Óй¦ ÎÞ¹¦ ÊÓÔÚ ¼ÆËãµç¹¦ÂÊ ¹¦ÂÊ ¹¦ÂÊ Á÷ A /kW /kvar /kVA 352.0 218.2 414.1 629.5 1184.8 784.6 1421.0 2160.0 0.0 0.0 0.0 0.0 1536.8 1002.7 1835.0 2789.2 1152.6 802.2 1404.3 2134.5 11.9 -500 59.6 2000 60% »Ø·Ãû³Æ ÕÕÃ÷»Ø· µçÁ¦»Ø· ºÏ¼Æ ³ËͬʱϵÊý£¨0.75/0.80) ¹¦ÂÊÒòÊý²¹³¥ ¹¦ÂÊÒòÊý²¹³¥ºó ±äѹÆ÷ËðºÄ ¸ßѹ²à¸ººÉ ±äѹÆ÷Ñ¡Ôñ2¡Á1000KVA ±äѹÆ÷¸ººÉÂÊ 0.97 1152.6 302.2 1191.6 1811.2 1164.5 361.8 1219.4 70.4

9

3 ¹©Åäµçϵͳһ´Î½ÓÏßÉè¼Æ

3.1.1 ¸ººÉ·Ö¼¶

¹«°²¾ÖÐÐÕþ´óÂ¥ÖУ¬Ò»°ãÕÕÃ÷£¬¿Õµ÷£¬³ø·¿£¬²ÍÌü£¬È¹·¿ÕÕÃ÷ΪÈý¼¶¸ººÉ£¬Ïû·ÀµçÌÝ£¬µçÌÝ£¬Ò»°ã¶¯Á¦µÈΪһ¶þ¼¶¸ººÉ¡£

±í1-1 ¸ººÉµÈ¼¶È·¶¨

ÐòºÅ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ÓõçÉ豸Ãû³Æ ÕÕÃ÷ ÕÕÃ÷ ÕÕÃ÷ ÕÕÃ÷ ÕÕÃ÷ ÕÕÃ÷ ÕÕÃ÷ ÕÕÃ÷ µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À µçÁ¦Ïû·À ¸ººÉµÈ¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Èý¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ Ò»¼¶ µÍѹÅäµç»Ø· ÕÕÃ÷»Ø· ÕÕÃ÷»Ø· ÕÕÃ÷»Ø· ÕÕÃ÷»Ø· ÕÕÃ÷»Ø· ÕÕÃ÷»Ø· ÕÕÃ÷»Ø· ÕÕÃ÷»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· »Ø·±àºÅ WLI-2 WLI-3 WLI-4-1 WLI-4-4 WLI-B-10 WL¢ò-7 WL¢ò-11 WL¢ò-17 WLI-1 WLI-7 WLI-8 WLI-9 WLI-10 WL¢ò-12 WL¢ò-14 WL¢ò-14 WL¢ò-15 WL¢ò-16 WLI-4 WLI-5 WLI-11 WLI-12 WLI-13 WLI-14 WLI-15 WLI-16 WL¢ò-8 WL-B-11 WL-B-12 WL-B-6 WL-B-7 ±¸×¢

10

32 33 µçÁ¦Ïû·À µçÁ¦Ïû·À Ò»¼¶ Ò»¼¶ µçÁ¦Ïû·À»Ø· µçÁ¦Ïû·À»Ø· WL-B-8 WL-B-9 3.1.2¹©µçµçÔ´È¡µÃ

±¾¹¤³Ì´Ó¹©µç²¿ÃŵÄ110/10KV±äµçÕ¾ÒýÀ´Á½Â·10KVרÏßµçÔ´£¬Á½Â·µçÔ´¿Éͬʱ¹©µç£¬

¿ÉÒÔ»¥Îª±¸Óã¬ÓÉÓÚ±¾¹¤³ÌµÄÁ½¸ö10KV¹©µçµçÔ´Ï໥¶ÀÁ¢¿É¿¿£¬Òò´Ë²»ÔÙÉèÖÃ×Ô±¸·¢µç»ú×é³ÉÆäËû¼¯ÖÐʽӦ¼±µçÔ´×°Öá£

3.2 µçѹѡÔñÓëµçÄÜÖÊÁ¿

±¾¹¤³Ì×ÜÓй¦¹¦ÂÊ1536.8KV.A£¬¹Ê²ÉÓÃ10KV¹©µç¡£±¾¹¤³ÌÓõçÉ豸¶î¶¨µçѹΪ220/380v£¬ËùÒÔ±¾¹¤³ÌÉèÖÃÒ»×ù10/0.38kvµÄ±äµçËù£¬¶ÔËùÓÐÓõçÉ豸¾ù²ÉÓõÍѹ220/380vÈýÏàËÄÏßÖƵÄTN-C-Sϵͳ¡£ ±¾¹¤³Ì½«²ÉÈ¡ÒÔÏ´ëʩʹµçÄÜÖÊÁ¿Âú×ãÒªÇó£º £¨1£©Ñ¡ÓÃDyn11Áª½Ó×é±ðµÄÈýÏàÅäµç±äѹÆ÷£¬²ÉÓÃ+£¨-£©5%ÎÞÀø´Åµ÷ѹ·Ö½ÓÍ·£» £¨2£©²ÉÓÃͭоµçÀ£¬Ñ¡ÔñºÏÊʵĵ¼Ìå½ØÃ棬½«µçѹËðʧÏÞÖÆÔÚ5%ÒÔÄÚ£» £¨3£©±äµçËùµÍѹ²à²ÉÈ¡¼¯Öв¹³¥£¬×Ô¶¯Í¶ÇУ» £¨4£©½«µ¥ÏàÓõçÉ豸¾ùÔÈ·Ö²¼ÓÚÈýÏàÅäµçϵͳÖУ»

£¨5£©ÕÕÃ÷ÓëµçÁ¦Åäµç»Ø··Ö¿ª£»¶Ô½Ï´óÈÝÁ¿µÄµçÁ¦É豸ÈçµçÌÝ¡¢¿Õµ÷»ú×顢ˮ±ÃµÈ²ÉÓÃרÏß¹©µç¡£

3.3 µçÁ¦±äѹÆ÷Ñ¡Ôñ ±äѹÆ÷ÀàÐÍÑ¡Ôñ¼û±í3-1¡£

±í3-1.1 ±äѹÆ÷ÀàÐÍÑ¡Ôñ ÐòºÅ 1 2 3 4 5 6 7 Àà ÐÍ ±äѹÆ÷ÏàÊý ±ä±È¼°µ÷ѹ·½Ê½ ÈÆ×éÐÍʽ ¾øÔµ¼°ÀäÈ´·½Ê½ Íâ¿Ç·À»¤µÈ¼¶ Áª½á×é ÐÍ ºÅ Ñ¡Ôñ½á¹û 3Ïà ÎÞÀø´Åµ÷ѹ Ë«ÈÆ×é ¸Éʽ ÒÀ ¾Ý ¶à²ã»ò¸ß²ãÖ÷Ì彨Öþ IP2X Dyn11 SCB10ÐÍ

11

3.1.2±äѹÆ÷̨ÊýÑ¡Ôñ

±¾¹¤³ÌΪһÀà°ì¹«½¨Öþ£¬²ÉÓÃSCB10ÐÍÈýÏàË«ÈÆ×é¸Éʽ±äѹÆ÷£¬Áª½á×é±êºÅDyn11£¬ÎÞÀø´Åµ÷ѹ£¬µçѹ±È10/0.4kv.¿¼Âǵ½Ó뿪¹Ø¹ñ²¼ÖÃÔÚͬһ·¿¼äÄÚ£¬±äѹÆ÷Íâ¿Ç·À»¤µÈ¼¶Ñ¡ÓÃIP2X¡£SCB10Ð͸Éʽ±äѹÆ÷·ûºÏGB2052-2006¡¶ÈýÏàÅäµç±äѹÆ÷ÄÜЧÏÞ¶¨¼°½ÚÄÜÆÀ¼Û¡·µÄÒªÇó¡£

Òò¹¤³ÌÖоßÓн϶àµÄÒ»¼¶¸ººÉ£¬¹Ê²ÉÓÃÁ½Ì¨±äѹÆ÷¡£ 3..3±äѹÆ÷ÈÝÁ¿Ñ¡Ôñ

±¾¹¤³Ì×ܼÆË㸺ºÉΪ1835.0KV.A£¨¹¦ÂÊÒòÊýΪ0.84£©

Ñ¡ÔñÁ½Ì¨µÈÈÝÁ¿µÄ±äѹÆ÷£¬»¥Îª±¸Óá£Ã¿Ì¨±äѹÆ÷µÄÈÝÁ¿°´0.7*1835.0kva×óÓÒ£¬Ó¦Ñ¡Ôñ Á½Ì¨ÈÝÁ¿Îª1000kvaµÄ±äѹÆ÷¡£Õý³£ÔËÐÐʱÕÕÃ÷¸ººÉÓëµçÁ¦¸ººÉ¹²ÓñäѹÆ÷£¬Í¨¹ýºÏÀí·ÖÅ为ºÉ£¬¿ÉʹÁ½Ì¨±äѹÆ÷Õý³£ÔËÐÐʱ¹¦ÂÊÏ൱¡£

±äѹÆ÷ÈÝÁ¿Ñ¡Ôñ¼û±í3-2¡£

±í3-2±äѹÆ÷T1µÍѹĸÏß¼ÆË㸺ºÉ

±äѹÆ÷T1»Ø·Ãû³Æ WLI-1 WLI-2 WLI-3 WLI-4-1 WLI-4-2 WLI-4-3 WLI-4-4 WLI-5-1 WLI-5-2 WLI-5-3 WLI-7 WLI-8 WLI-9 WLI-10 WLI-11 WLI-12 WLI-13 WLI-14 WLI-15 WLI-16 WLI-B10 WLI-B11 WLI-B12 ºÏ¼Æ

¶î¶¨ÈÝÐèҪϵÁ¿ /kW ÊýKd 120 119 47 12 9 9 20 13 20 17 91 189 15 120 51.5 20 20 50 15 15 20 25 25 1042.5 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.2 0.2 0.8 0.8 0.8 0.8 0.8 0.8 0.78 ¹¦ÂÊÒòÊýcos¦Õ 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.8 0.8 0.85 0.85 0.85 0.7 0.7 0.85 0.85 0.85 0.85 0.85 0.85 0.83 12

Óй¦ ÎÞ¹¦ ÊÓÔÚ ¼ÆËãµç¹¦ÂÊ ¹¦ÂÊ ¹¦ÂÊ Á÷ A /kW /kvar /kVA 96.0 95.2 37.6 9.6 7.2 7.2 16.0 10.4 16.0 13.6 72.8 151.2 12.0 96.0 41.2 4.0 4.0 40.0 12.0 12.0 16.0 20.0 20.0 59.5 59.0 23.3 5.9 4.5 4.5 9.9 6.4 9.9 8.4 54.6 113.4 7.4 59.5 25.5 4.1 4.1 24.8 7.4 7.4 9.9 12.4 12.4 112.9 112.0 44.2 11.3 8.5 8.5 18.8 12.2 18.8 16.0 91.0 189.0 14.1 112.9 48.5 5.7 5.7 47.1 14.1 14.1 18.8 23.5 23.5 171.7 170.2 67.2 17.2 12.9 12.9 28.6 18.6 28.6 24.3 138.3 287.3 21.5 171.7 73.7 8.7 8.7 71.5 21.5 21.5 28.6 35.8 35.8 810.0 534.4 970.4 1475.0

³ËͬʱϵÊý£¨0.75/0.80) 1042.5 ¹¦ÂÊÒòÊý²¹³¥ ¹¦ÂÊÒòÊý²¹³¥ºó

1042.5 0.58 0.58 0.82 0.95 607.5 427.5 742.8 1129.1 -225 607.5 202.5 640.4 973.3

±í3-3 ±äѹÆ÷T2µÍѹĸÏß¼ÆË㸺ºÉ

±äѹÆ÷T2»Ø·Ãû³Æ WLII-17 WLII-16 WLII-15 WLII-14 WLII-12 WLII-11 WLII-8-3 WLII-8-2 WLII-8-1 WLII-7 WLII-B9-1 WLII-B9-2 WLII-B8-1 WLII-B8-2 WLII-B7-1 WLII-B7-2 WLII-B6 ºÏ¼Æ ¹¦ÂÊÒòÊý²¹³¥ ¹¦ÂÊÒòÊý²¹³¥ºó ¶î¶¨ÈÝÐèҪϵÁ¿ /kW ÊýKd 50 172 118 90 120 122 12 15 19 50 75 1.5 75 1.5 8 7.5 32 968.5 968.5 0.8 0.8 0.8 0.8 0.4 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.75 0.56 0.56 ¹¦ÂÊÒòÊýcos¦Õ 0.85 0.8 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.85 0.84 0.82 0.95 Óй¦ ÎÞ¹¦ ÊÓÔÚ ¼ÆËãµç¹¦ÂÊ ¹¦ÂÊ ¹¦ÂÊ Á÷ A /kW /kvar /kVA 40.0 137.6 94.4 72.0 48.0 97.6 9.6 12.0 15.2 40.0 60.0 1.2 60.0 1.2 6.4 6.0 25.6 24.8 103.2 58.5 44.6 29.7 60.5 5.9 7.4 9.4 24.8 37.2 0.7 37.2 0.7 4.0 3.7 15.9 47.1 172.0 111.1 84.7 56.5 114.8 11.3 14.1 17.9 47.1 1.4 1.4 7.5 7.1 30.1 71.5 261.4 168.8 128.8 85.8 174.5 17.2 21.5 27.2 71.5 2.1 2.1 11.4 10.7 45.8 70.6 107.3 70.6 107.3 726.8 468.4 864.6 1314.2 545.1 374.7 661.5 1005.4 -200 545.1 174.7 572.4 870.1 ³ËͬʱϵÊý£¨0.75/0.80) 968.5

3.4 ±äµçËùµçÆøÖ÷½ÓÏßÉè¼Æ

±¾¹¤³Ì±äµçËùµÄÁ½Â·10kvÍ⹩µçÔ´¿Éͬʱ¹©µç£¬²¢ÉèÓÐÁ½Ì¨±äѹÆ÷¡£ Òò´Ë£¬¸ßѹ²àµçÆøÖ÷½ÓÏß²ÉÓ÷ֶε¥Ä¸ÏßÐÎʽ¡£Õý³£ÔËÐÐʱ£¬ÓÉ10kVµçÔ´AºÍµçÔ´Bͬʱ¹©µç£¬Ä¸ÏßÁªÂç¶Ï·Æ÷¶Ï¿ª£¬Á½¸öµçÔ´¸÷³Ðµ£Ò»°ã¸ººÉ¡£µ±µçÔ´B¹ÊÕÏ»ò¼ìÐÞʱ£¬±ÕºÏĸÁª¶Ï·Æ÷£¬ÓɵçÔ´A³Ðµ£È«²¿¸ººÉ£»µ±µçÔ´A¹ÊÕÏ»ò¼ìÐÞʱ£¬Ä¸Áª¶Ï·Æ÷ÈԶϿª£¬ÓɵçÔ´B³Ðµ£Ò»°ë¸ººÉ¡£´Ë·½°¸µÄ¹©µç¿É¿¿ÐԸߡ¢

13

Áé»îÐԺ㬵«¾­¼ÃÐÔÉԲ

Òò±¾¹¤³Ì±äѹÆ÷ÈÝÁ¿´ó£¬¸ßѹ¿ª¹Ø¹ñ²ÉÓÃXGN24¡ª12ÐÍÏäʽ¹Ì¶¨Ê½½ðÊô·â±Õ¿ª¹Ø¹ñ£¬³ß´çΪL500*D860*H1800¡£°´¹æ¶¨£¬µçÔ´½øÏßµÚһ̨¹ñΪ¸ôÀë¹ñ¡£

¿¼Âǵ½¾­¼ÃÐÔ£¬±äµçËù²»ÉèËùÓñäѹÆ÷¡£ 3.4.1 ±äµçËù¸ßѹ²àµçÆøÖ÷½ÓÏßÉè¼Æ

3.4.2 ±äµçËùµÍѹ²àµçÆøÖ÷½ÓÏßÉè¼Æ

14

4 ¶Ì·µçÁ÷¼ÆËãÓë¸ßµÍѹµçÆ÷Ñ¡Ôñ

¸ù¾ÝËùÉè¼ÆµÄ¹©Åäµçϵͳһ´Î½ÓÏߣ¬±¾¹¤³Ì±äµçËù¸ßѹ²à¶Ì·µçÁ÷¼ÆËãµç·Èçͼ5-1Ëùʾ¡£¶Ì·µãk-1µãÑ¡ÔÚ±äµçËùÒ»¶Î10kVĸÏßÉÏ¡£

Skk-1µçÀÂÏß1.5SCB10-1250GµçÔ´A

4.1 ±äµçËù¸ßѹ²à¶Ì·µçÁ÷¼ÆËã

¸ßѹ²à¶Ì·¼ÆËã »ù×¼Öµ Sd=100MVA£¬Uc1=10.5kV£¬Id1=5.5 kA ¶ÌÐòԪ·ºÅ ¼þ µã 1 SA ÔËÐвÎÊý max min X* Ik3\A Ib3/kA Ik3/kA ip3/kA Sk3\MVA Ik2/kA 0.220 25.0 25.0 25.0 63.8 454.7 21.7 0.275 20.0 20.0 20.0 51.0 363.7 17.3 0.129 x/¦¸/km l/km W 2 HA 0.01.5 95 max 1£«3 k-1 2 min k-2 max min 0.349 15.8 15.8 15.8 40.2 286.4 13.6 0.404 13.6 13.6 13.6 34.7 247.5 11.8 0.687 8.0 0.916 6.0 8.0 6.0 7.9 5.9 8.0 6.0 7.9 5.9 20.4 145.5 6.9 15.3 109.1 5.2 4 SB W5 HB 4£«6 5

x/¦¸l/km /km 0.00.1 0.009 95 max 0.696 7.9 min 0.925 5.9 20.2 143.7 6.8 15.2 108.1 5.1 15

4.2 µÍѹµçÍø¶Ì·µçÁ÷¼ÆËã

4.2.1 ±äѹÆ÷µÍѹ²à¶Ì·µçÁ÷¼ÆËã

±¾¹¤³Ì±äµçËùµÍѹ²à¶Ì·µçÁ÷¼ÆËãµç·Èçͼ5-2Ëùʾ¡£¶Ì·µãÑ¡ÔÚһ̨±äѹÆ÷µÍѹÈÆ×é³ö¿Ú´¦k-3µãºÍһ̨µÍѹ½øÏß¿ª¹Ø¸ººÉ²àk-5µã£¨¼´µÍѹ¹ñAA1´¦£©ºÍÀëµÍѹ½øÏß¿ª¹Ø×îÔ¶¶ËĸÏß´¦k-7µã£¨¼´µÍѹ¹ñAA9´¦£©.

µçÔ´A

k-7T1WB2 l=7mTMY-3[2(100¡Á10)]+(100¡Á10)Sk-1k-3k-5T1T1WB1 l=5.8mTMY-3[2(100¡Á10)]+(100¡Á10)SCB10-1250AA10.38kv16

±äѹÆ÷T1µÍѹ²à¶Ì·¼ÆËã Un=380V ÐòºÅ 1 ¶Ì·Ԫ¼þ µã SA k-1 Skmax/MVA ¡÷P363.ÔËÐвÎÊý R/m¦¸ 0.0X/m¦¸ 0.438 Z/m¦¸ 0.440 RL-PE/m¦¸ 0.029 1.4 7.8 8.000 8.438 l/m 4 0.0 0.444 64 1.472 1.501 7.863 8.155 8.292 27.37 1.563 60.50 23.70 27.85 XL-PE/m¦¸ 0.292 ZL-PE/m¦¸ Ik3\A kp ip3/kA Ik2/kA Ik1E/kA 70 44 Uk£¥ 5 SrT/2 T1 1£«2 k-3 kVA 1000 r/m¦¸/ m 0.04 T1WB1 11 rL-PE/mk/kW 9.2 72 63 1.58.33 16 01 x/m¦¸/m 0.116 xL-PE/m¦¸/m 0.26 l/m 4 1.5 8.760 65 ¦¸/ m 0.0 5 3£«4 k-5 33 r/m¦¸/ m 0.06 T1WB2 11 rL-PE/m 8.903 0.132 1.633 1.040 9.195 9.339 25.94 1.572 57.65 22.46 24.73 x/m¦¸/m 0.116 xL-PE/m¦¸/m 0.26 l/m 9.6 1.6 9.8l/m 9.6 0.1 1.106 14 ¦¸/ m 0.0 7 5+6 k-7 33 10.00.317 1.950 2.496 11.6 11. 23. 1.589 51.79 19.96 19.48 65 79 18 91 853 05

4.2.2 µÍѹÅäµçÏß·¶Ì·µçÁ÷¼ÆËã

17

µÍѹÅäµçÏß·¶Ì·µçÁ÷¼ÆËã

¶Ì·¼ÆËãµãÊ׶ËΪµÍѹÅäµç¹ñ³öÏߣ¬Ä©¶ËΪÓëµÍѹÅäµç¹ñÏà¶ÔÓ¦µÄÅäµç×ÜÏä¡£±¾¹¤³Ì±äµçËùµÍѹÅäµçÏß·¶Ì·µçÁ÷¼ÆËãµç·Èçͼ5-2Ëùʾ¡£

TMY-3[2(100¡Á10)]+(100¡Á10)Sk-1T1k-3µçÔ´ASCB10-1250AA10.38kv

ͼ5-2 µÍѹÅäµçÏß·¶Ì·µçÁ÷¼ÆËãµç·

²ÉÓÃÅ·Ä··¨¼ÆË㣬ÒÔµÍѹ¿ª¹Ø¹ñAA13Åä³öµÄµØÏÂÒ»²ãÅÅ·ç»úÓõçÅäµçÏäÅäµç¸ÉÏßWPM55ºÍµÍѹ¿ª¹Ø¹ñAA3Åä³öµÄÅäµç¸ÉÏßWLM22ΪÀý¡£Æä¶Ì·µçÁ÷¼ÆËã±í¸ñ¼û±í5-3ºÍ±í5-4¡£¼ÆËãʱ£¬Åäµç¸ÉÏß¼°Æä·ÖÖ§ÏßµÄÐͺŹæ¸ñÏÈ°´·¢ÈÈÌõ¼þ³õÑ¡¡£

18

±äѹÆ÷T1µÍѹ²àÅäµç¸ÉÏßWL4M,WL5M,WL6M£¨AA5¹ñÅä³ö£©¶Ì·¼ÆËã

ÐòºÅ ¶Ì·Ԫ¼þ µã SA k-1 Skmax/MVA ¡÷P209.ÔËÐвÎÊý R/m¦¸ 0.0X/m¦¸ 0.761 Z/m¦¸ 0.765 RL-PE/m¦¸ 0.051 0.6 5.9 6.000 l/m 10.2 0.1 1.112 83 0.638 5.966 XL-PE/m¦¸ 0.508 ZL-PE/m¦¸ Ik3\A kp ip3/kA Ik2/kA Ik1E/kA 1 10 76 Uk£¥ 6 SrT/2 T1 kVA 1600 r/m¦¸/ m 0.03 T1WB 11 rL-PE/mk/kW 10.2 38 66 x/m¦¸/m 0.116 xL-PE/m¦¸/m 0.26 l/m 10.2 0.8 7.926 11 ¦¸/ m 0.0 4 1+2+3 AA5 33 r/m¦¸/ m 0.05 WL4,5,6M 6 585 rL-PE/m 7.954 0.337 1.025 2.652 9.126 9.183 29.04 1.720 70.64 25.15 25.15 x/m¦¸/m 0.039 xL-PE/m¦¸/m 0.076 l/m 50 3.7 9.8l/m 50 2.9 1.925 50 ¦¸/m 0.1 4~64+5 ATL1 755 8.775 9.800 3.800 12.926 21.89 1.303 40.32 18.96 14.24 51 61 10.550 16.221

19

4.3 ¸ßѹµçÆ÷Ñ¡Ôñ ¸ßѹ¶Ï·Æ÷µÄÑ¡Ôñ£º

±¾¹¤³Ì¸ßѹ¶Ï·Æ÷×÷Ϊ±äѹÆ÷»Ø·¡¢µçÔ´½øÏ߻طµÄ¿ØÖƺͱ£»¤µçÆ÷¼°·Ö¶ÎÁªÂçÓõçÆ÷¡£²é¹âÅÌ×ÊÁÏÑ¡ÓÃVD4-12-630A/20kAÐÍ»§ÄÚ¸ßѹÕæ¿Õ¶Ï·Æ÷£¬ÅäÓõ¯»É²Ù¶¯»ú¹¹£¬¶þ´ÎÉ豸µçѹΪDC 110V£¬¸ßѹ¶Ï·Æ÷µÄÑ¡ÔñУÑé¼û±í4-3£¬Óɱí¿ÉÖª£¬ËùÑ¡¶Ï·Æ÷ºÏ¸ñ¡£

±í4-3 ¸ßѹ¶Ï·Æ÷µÄÑ¡ÔñУÑé

ÐòºÅ Ñ¡ÔñÏî×°Öõص㼼ÊõÊý¾Ý Ä¿ ¶î¶¨µçѹÓë×î1 ¸ß¹¤×÷µçѹ ¶î¶¨µç2 Á÷ ¶î¶¨Æµ3 ÂÊ ¶î¶¨¶Ì· 4 ¿ª¶ÏµçÁ÷ ¶î¶¨·åÖµ 5 ÄÍÊܵçÁ÷ ¶î¶¨¶Ìʱ£¨4s£©6 ÄÍÊܵçÁ÷ =162.266kA¡¤S 2¶Ï·Æ÷¼¼ÊõÊý¾Ý ½áÂÛ Un=10kV£¬Ur=12kV Um=10¡Á1.15kV=11.5 kV Ur>Um£¬ ºÏ¸ñ AH4¹ñ£ºImax=92.4A Ir=630A Ir>Imax£¬ ºÏ¸ñ 50Hz 50Hz ºÏ¸ñ Ib3=15.8kA Ib=20kA Ib>Ib3£¬ ºÏ¸ñ ip3=40.2kA imax=50kA imax>ip3£¬ ºÏ¸ñ AH4¹ñ£ºQt=15.8¡Á£¨0.1+0.5+0.05£©2It2t=202¡Á4=1600kA¡¤S 2It2t>Qt£¬ ºÏ¸ñ

20

¶î¶¨¶Ï· 7 ¹ØºÏµçÁ÷ ³ÐÊܹýµçѹÄÜ8 Á¦¼°¾øԵˮƽ »·¾³Ìõ9 ¼þ ÆäËûÌõ10 ¼þ ÎÞÌØÊâÒªÇó ·Ö-180s-ºÏ·Ö-180s-ºÏ·Ö ¶î¶¨²Ù×÷˳Ðò£º Âú×ãÌõ¼þ Ö÷½¨ÖþµØÏÂÊÒÒ»²ã Õý³£Ê¹Óû·¾³ Âú×ãÌõ¼þ ½ÓµØ 1min¹¤ÆµÄÍÊܵçѹ42kV 10kVϵͳÖÐÐԵ㾭Ïû»¡ÏßȦÀ×µç³å»÷ÄÍÊܵçѹ75kV Âú×ãÌõ¼þ ip3=40.2kA i=50kA i>ip3£¬ºÏ¸ñ

4.4 ¸ßѹ»¥¸ÐÆ÷Ñ¡Ôñ ¸ßѹµçÁ÷»¥¸ÐÆ÷µÄÑ¡Ôñ£º

±¾¹¤³Ì¸ßѹµçÁ÷»¥¸ÐÆ÷ÓеݲװÓÚµçÄܼÆÁ¿¹ñAH2/AH9ÄÚ×÷¼ÆÁ¿×¨Óã¬ÓеݲװÓÚµçÔ´½øÏß¹ñAH3/AH8¡¢±äѹÆ÷±£»¤¹ñAH4/AH7¡¢·Ö¶ÎÁªÂç¹ñAH5ÄÚ×÷¼Ìµç±£»¤£¨²âÁ¿£©Óᣲé¹âÅÌ×ÊÁÏ£¬Ñ¡ÓÃLZZBJ12-10AÐ͵ÄÑ¡Ôñ»§ÄÚ¸ßѹµçÁ÷»¥¸ÐÆ÷¡£

4.5 µÍѹ¶Ï·Æ÷µÄ³õ²½Ñ¡Ôñ

Åäµç¸ÉÏß±£»¤¶Ï·Æ÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄ³õ²½Ñ¡Ôñ£¨ÒÔWPM55ΪÀý£©

ÐòºÅ 1 Ñ¡Ôñ ¼«Êý 2 Ñ¡Ôñ ¶î¶¨µç3 Á÷Ñ¡Ôñ TN-C-Sϵͳ 3P ºÏ¸ñ WPM55 T2S,160,PR221DS-LS Ñ¡Ôñ ×°Öõص㼼ÊõÊý¾Ý ÏîÄ¿ Àà±ð µÍѹСÈÝÁ¿³öÏß±£»¤ÓÃËÜ¿Çʽ¶Ï·Æ÷£¬Ñ¡ÔñÐÍÁ½¶Î±£»¤£¬ºÏ¸ñ ¶Ï·Æ÷¼¼ÊõÊý¾Ý ½áÂÛ Ic=39.3A Iu=160A£¬In=160A Iu¡ÝIn£¾Ic,ºÏ¸ñ

21

·Ö¶ÏÄÜ4 Á¦Ñ¡Ôñ ¸½¼þ 5 Ñ¡Ôñ Ib3¡Ü30.72kA ·ÇÏû·ÀÓõç»Ø·¶Ïµç¼°¶¯×÷Ðźŷµ»Ø Ics=Icu=50kA µç·ÖAC220£¬´øºÏ·Ö¸¨Öú´¥µãÐźŠIcs£¾Ib3£¬ ºÏ¸ñ Âú×ãÒªÇó ¼°¹ýµçÁ÷ÍÑ¿ÛÆ÷¶¯×÷ÐźÅ

4.5.1Åäµç¸ÉÏß±£»¤¶Ï·Æ÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄ³õ²½Ñ¡Ôñ

Åäµç¸ÉÏß±£»¤¶Ï·Æ÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄ³õ²½Ñ¡Ôñ£¨ÒÔWLM22ΪÀý£©

ÐòºÅ 1 Ñ¡Ôñ ¼«Êý 2 Ñ¡Ôñ ¶î¶¨µç3 Á÷Ñ¡Ôñ ·Ö¶ÏÄÜ4 Á¦Ñ¡Ôñ ¸½¼þ 5 Ñ¡Ôñ ¶¯×÷Ðźŷµ»Ø ¼°¹ýµçÁ÷ÍÑ¿ÛÆ÷¶¯×÷ÐźŠTN-C-Sϵͳ 3P ºÏ¸ñ ±£»¤ÓÃWLM22 T5S,400,PR222P-LSI Ñ¡Ôñ ×°Öõص㼼ÊõÊý¾Ý ÏîÄ¿ Àà±ð µÍѹ´óÈÝÁ¿³öÏß ËÜ¿Çʽ¶Ï·Æ÷£¬Ñ¡ÔñÐÍÈý¶Î±£»¤£¬ºÏ¸ñ ¶Ï·Æ÷¼¼ÊõÊý¾Ý ½áÂÛ Ic=323.4A Iu=400A£¬In=400A Iu¡ÝIn>Ic,ºÏ¸ñ Ib3¡Ü30.72kA ·ÇÏû·ÀÓõç»Ø·¶Ïµç¼°Ics=Icu=50kA µç·ÖAC220£¬´øºÏ·Ö¸¨Öú´¥µãÐźŠIcs£¾Ib3£¬ ºÏ¸ñ Âú×ãÒªÇó

4.5.2±äµçËùµÍѹµçÔ´½øÏ߶Ï·Æ÷µÄ³õ²½Ñ¡Ôñ¡­

±äµçËùµÍѹµçÔ´½øÏ߶Ï·Æ÷µÄ³õ²½Ñ¡Ôñ

Ñ¡Ôñ ÐòºÅ ÏîÄ¿ Àà±ð 1 Ñ¡Ôñ E3N,32,PR122/P-LSI 2 ¼«Êý TN-C-Sϵͳ 3P ºÏ¸ñ µçÔ´½øÏß Ñ¡ÔñÐÍÈý¶Î±£»¤£¬ºÏ¸ñ ¼¼ÊõÊý¾Ý ³é³öʽ¿ÕÆø¶Ï·Æ÷£¬ ×°Öõص㠶Ï·Æ÷¼¼ÊõÊý¾Ý ½áÂÛ

22

Ñ¡Ôñ ¶î¶¨µçÁ÷ 3 Ñ¡Ôñ ·Ö¶ÏÄÜÁ¦ 4 Ñ¡Ôñ ¸½¼þ 5 Ñ¡Ôñ ÅäÖà ¼°¹ýµçÁ÷ÍÑ¿ÛÆ÷¶¯×÷ÐźŠIc=1854.1A Iu=3200A£¬In=3200A Iu¡ÝIn£¾Ic ºÏ¸ñ Ib3¡Ü30.72kA ±ê×¼¸½¼þ Ics=Icu=65kA µç·ÖAC220£¬´øºÏ·Ö¸¨Öú´¥µãÐźŠIcs£¾Ib3£¬ ºÏ¸ñ Âú×ãÒªÇó

5 µçÏßµçÀÂÑ¡Ôñ

ÒÑÖªµ±µØ×îÈÈÔµÄÈÕ×î¸ßÆøÎÂƽ¾ùֵΪ38¡æ£¬Äê×îÈÈÔµØÏÂ0.8m´¦×î¸ßζÈƽ¾ùֵΪ25¡æ¡£

5.1.1 ¸ßѹ½øÏßµçÀÂÑ¡Ôñ

10kVµçÔ´ÒýÈëµçÀÂÑ¡ÓÃYJV22-8.7/10ÐÍ3оµçÀ¡£¸ßѹµçÔ´½øÏßµçÀ½ØÃæÏÈ°´ÔÊÐíÎÂÉýÌõ¼þÑ¡Ôñ£¬È»ºó¼ìÑéÆäµçѹËðʧÌõ¼þ£¬¶Ì·ÈÈÎȶ¨Ìõ¼þδУÑ飬¼û±í5-1¡£

ÐòºÅ Ñ¡ÔñУ¾ßÌåÄÚÈÝ ÑéÏîÄ¿ Ïß·µçÁ÷¼ÆËã ³õÑ¡µçÀ½ØÃæ °´·óÉ跽ʽÓë»·¾³Ìõ¼þÈ·¶¨µÄ µçÀÂÔØÁ÷Á¿ ¼ÆË㸺ºÉ µçѹ 2 Ëðʧ µçѹËðʧ¼ÆËãÖµ ?U%?Ïß·²ÎÊý ÒÑÖªÏß·³¤¶ÈL=1.5km P=1174.2kW£¬Q=449.2kvar r=0.181¦¸/km£¬x=0.095¦¸/km¡£ Âú×ãÌõ¼þ½áÂÛ Ic=72.4A S=120mm 2ÔÊÐí 1 ÎÂÉý Âú×ãÌõ¼þIc

23

ÔÊÐíµçѹËðʧ ?Ual%=5 µçÀÂÐͺŹæ¸ñ±íʾ£ºYJV22-8.7/10-3¡Á120 5.1.2¸ßѹ³öÏßµçÀÂÑ¡Ôñ

ÒÔ¸ßѹ¹ñÖÁ±äѹÆ÷T1Ò»´Î²àµÄµçÀÂΪÀý¡££¬¸ßѹ¹ñÖÁ±äѹÆ÷T1Ò»´Î²àµÄµçÀÂÑ¡ÓÃZB-YJV-8.7/10ÐÍ3оµçÀ¡£¸ßѹµçÔ´³öÏßµçÀ½ØÃæ½ö°´ÔÊÐíÎÂÉýÌõ¼þ½øÐгõÑ¡£¬Î´Ð£Ñé¶Ì·ÈÈÎȶ¨Ìõ¼þ£¬ÓÉÓڸöεçÀ³¤¶È½Ï¶Ì£¬µçѹËðʧ¼«Ð¡£¬²»ÐèУÑ飬¼û±í5-2¡£

ÐòºÅ Ñ¡ÔñУÑéÏîÄ¿ Ïß·µçÁ÷¼ÆËã ³õÑ¡µçÀ½ØÃæ 1 ÔÊÐíÎÂÉý °´·óÉ跽ʽÓë»·¾³Ìõ¼þÈ·¶¨µÄµçÀÂÔØÁ÷Á¿ ¾ßÌåÄÚÈÝ ½áÂÛ Ic=72.4A S=70mm 2Âú×ãÌõ¼þIc

£¨Ò»£©¸ßѹ¿ª¹Ø¹ñĸÏßÑ¡Ôñ

±¾¹¤³Ì²ÉÓÃXGN24Ð͸ßѹ¿ª¹Ø¹ñ£¬Ñ¡ÓÃÓ²ÂãͭĸÏߣ¬Ã¿Ïà1Ƭ¡£Ä¸Ïß½ØÃæÏÈ°´ÔÊÐíÎÂÉýÌõ¼þÑ¡Ôñ£¬È»ºóУÑéÆä¶Ì·¶¯Îȶ¨Ìõ¼þ£¬¶Ì·ÈÈÎȶ¨Ìõ¼þδУÑé¡£ÓÉÓÚĸÏß³¤¶È½Ï¶Ì£¬µçѹËðʧ½ÏС£¬²»ÐèУÑé¡£¿ª¹Ø¹ñÓÐÖ÷ĸÏߺͷÖ֧ĸÏߣ¬ÒÔÖ÷ĸÏß½ØÃæÑ¡ÔñΪÀý£¬¼û±í5-3¡£

ÐòºÅ Ñ¡ÔñУÑéÏîÄ¿ ĸÏßµçÁ÷¼ÆËã ¾ßÌåÄÚÈÝ ½áÂÛ Ic=72.4A S=80mm¡Á8mm Âú×ãÌõ¼þ³õѡĸÏß½ØÃæ 1 ÔÊÐíÎÂÉý °´·óÉ跽ʽÓë»òÔØÁ÷Á¿Ï൱µÄÒìÐÍĸÏß Ic

24

ÈýÏà¶Ì· µçÁ÷·åÖµ 2 ¶Ì·¶¯Îȶ¨ ¶î¶¨·åÖµ ÄÍÊܵçÁ÷ ip3=29.3kA XGN24Ð͸ßѹ¿ª¹Ø¹ñÉè¼ÆÖµ£ºÂú×ãÌõ¼þimax>ip3 ºÏ¸ñ imax=50kA Ö÷ĸÏßÐͺŹæ¸ñ±íʾ£ºTMY-3(80¡Á8) £¨¶þ£©µÍѹ¿ª¹Ø¹ñÖ÷ĸÏßÑ¡Ôñ

±¾¹¤³Ì²ÉÓÃMNS(BWL3)-04Ð͵Íѹ¿ª¹Ø¹ñ£¬¹ñÄÚÖ÷ĸÏßÑ¡ÓÃÿÏà2ƬӲÂãͭĸÏß¡£Ä¸Ïß½ØÃæÏÈ°´ÔÊÐíÎÂÉýÌõ¼þÑ¡Ôñ£¬È»ºóУÑéÆä¶Ì·¶¯Îȶ¨Ìõ¼þ£¬¶Ì·ÈÈÎȶ¨Ìõ¼þδУÑé¡£ÓÉÓÚĸÏß³¤¶È½Ï¶Ì£¬µçѹËðʧ½ÏС£¬²»ÐèУÑé¡£¿ª¹Ø¹ñÓÐÖ÷ĸÏߺͷÖ֧ĸÏߣ¬ÒÔ±äѹÆ÷T1µÍѹ²àÖ÷ĸÏß½ØÃæÑ¡ÔñΪÀý£¬¼û±í5-4¡£

ÐòºÅ Ñ¡ÔñУÑéÏîÄ¿ ¾ßÌåÄÚÈÝ ½áÂÛ Ic=1854.1A£¬ÔÊÐí±äѹÆ÷1.2ĸÏßµçÁ÷¼ÆËã ±¶¹ýÔØʱImax=2224.92A ÏàĸÏßS=2£¨100mm¡Á10mm£©£¬Âú×ãÌõ¼þN¼°PEĸÏß½ØÃæΪ1 ÔÊÐíÎÂÉý ³õѡĸÏß½ØÃæ 100mm¡Á10mm »òÔØÁ÷Á¿Ï൱µÄÒìÐÍĸÏß °´·óÉ跽ʽÓë»·¾³Ìõ¼þÈ·¶¨µÄĸÏßÔØÁ÷Á¿ ÈýÏà¶Ì· µçÁ÷·åÖµ 2 ¶Ì·¶¯Îȶ¨ ¶î¶¨·åÖµ ÄÍÊܵçÁ÷ Icip3 ºÏ¸ñ ĸÏßÐͺŹæ¸ñ±íʾ£ºTMY-3[2(100¡Á10)]+(100¡Á10) 5.3 µÍѹÅäµç¸ÉÏßµçÀÂÑ¡Ôñ. £¨Ò»£©Åäµç¸ÉÏßWP-1APE1µçÀÂÑ¡Ôñ

WPM55ΪµØÏÂÒ»²ãÅÅ·ç»úÅäµçÏߣ¬²ÉÓÃÏßÀÂÐͺÅΪYJV-5¡Á16£¬ÏßÀ½ØÃæÏÈ

25

°´ÎÂÉýÌõ¼þÑ¡Ôñ£¬È»ºóУÑéÆäµçѹËðʧÌõ¼þ£¬¶Ì·ÈÈÎȶ¨Ìõ¼þδУÑ飬¼û±í5-5¡£

ÐòÑ¡ÔñУÑéÏîÄ¿ ºÅ Ïß·µçÁ÷¼ÆËã ¾ßÌåÄÚÈÝ ½áÂÛ Ic=39.3A ÏàÏßS=16mm£¬NÏß2³õÑ¡µçÀ½ØÃæ 1 ÔÊÐíÎÂÉý °´·óÉ跽ʽÓë»·¾³Ìõ¼þÈ·¶¨µÄµçÀÂÔØÁ÷Á¿ ¼ÆË㸺ºÉ Ïß·²ÎÊý ÒÑÖªÏß·³¤¶ÈL=0.075km 2 µçѹËðʧ µçѹËðʧ¼ÆËãÖµ ÔÊÐíµçѹËðʧ

P=22.0kW£¬Q=13.6kvar r=1.359¦¸/km£¬x=0.082¦¸/km¡£ S=16mm,PEÏßΪ16mm 22Âú×ãÌõ¼þIc

ZAP1ΪÄÏ¥ʵÑéÓõçÅäµçÏß·£¬²ÉÓÃÏßÀÂÐͺÅΪYJV-2(4¡Á300+1¡Á150)£¬ÏßÀ½ØÃæÏÈ°´ÎÂÉýÌõ¼þÑ¡Ôñ£¬È»ºóУÑéÆäµçѹËðʧÌõ¼þ£¬¶Ì·ÈÈÎȶ¨Ìõ¼þδУÑ飬¼û±í5-6¡£

ÐòºÅ Ñ¡ÔñУÑéÏîÄ¿ Ïß·µçÁ÷¼ÆËã ¾ßÌåÄÚÈÝ ½áÂÛ Ic=324.3 A ÏàÏßS=300mm£¬NÏß2Âú×ãÌõ¼þ21 ÔÊÐíÎÂÉý ³õÑ¡µçÀ½ØÃæ S=300mm,PEÏßΪ150mm °´·óÉ跽ʽÓë»·¾³Ìõ¼þÈ·¶¨2Ic

26

µÄµçÀÂÔØÁ÷Á¿ ¼ÆË㸺ºÉ Ïß·²ÎÊý ÒÑÖªÏß·³¤¶ÈL=0.03km 2 µçѹËðʧ µçѹËðʧ ¼ÆËãÖµ ÔÊÐíµçѹËðʧ P=192.0kW£¬Q=93.0kvar r=0.088¦¸/km£¬x=0.077¦¸/km Âú×ãÌõ¼þ?U%?1210Un?U%

6µÍѹÅäµçÏß·±£»¤Éè¼Æ

6.1 µÍѹÅäµçÏß·µÄ±£»¤ÉèÖà £¨Ò»£©¹ýµçÁ÷±£»¤ÉèÖÃ

(1)±¾¹¤³ÌµÍѹÅäµçÏß·װÉèÓжÌ·±£»¤¡¢¹ý¸ººÉ±£»¤£¬±£»¤×÷ÓÃÓÚÇжϹ©µçµçÔ´¡£±£»¤µçÆ÷°²×°ÓÚÏß·Ê׶ˡ£

(2)±äµçËùµÍѹµçÔ´½øÏß¼°Ä¸Áª¿ª¹Ø¡¢µÍѹÅäµç¸ÉÏß¾ù²ÉÓÃÅäÖÃ΢´¦ÀíÆ÷ÍÑ¿ÛÆ÷µÄÈý¶Î±£»¤(LSI)»òÁ½¶Î±£»¤(LS)Ñ¡ÔñÐÍÈÛ¶ÏÆ÷£¬ÒÔʵÏÖ¹ýµçÁ÷±£»¤µÄÑ¡ÔñÐÍ¡£ËùÓеÍѹÅäµç¸ÉÏßÓëÅäµçÖ§Ïߵı£»¤µçÆ÷ÉÏϼ¶Ö®¼ä¾ù°´Ñ¡ÔñÐÔÅäºÏÒªÇóÅäÖá£

£¨¶þ£©½ÓµØ¹ÊÕϵçÆø»ðÔÖ·À»¤ÉèÖÃ

±¾¹¤³ÌΪ»ðÔÖΣÏÕ³¡Ëù£¬¹ÊÔÚµçÔ´½øÏß´¦ÉèÖÃÓÃÓÚ·À»ðµÄÊ£ÓàµçÁ÷±£»¤µçÆ÷¡£Õý³£ÕÕÃ÷Ïß·µÄÊ£ÓàµçÁ÷±£»¤µçÆ÷Ö±½Ó¶¯×÷ÓÚÇжϵçÔ´£¬¹«¹²Í¨µÀÕÕÃ÷¼°Ó¦¼±ÕÕÃ÷Ïß·µÄÊ£ÓàµçÁ÷±£»¤µçÆ÷¶¯×÷ÓëÐźţ¬ÓÉ»ðÔÖ×Ô¶¯±¨¾¯¼°Ïû·ÀÁª¶¯¿ØÖÆϵͳ½ÓÊÕ£¬·´À¡¸øÏû·À¿ØÖÆÖÐÐÄ¡£

6.2 µÍѹ¶Ï·Æ÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄÕû¶¨

6.2.1 Åäµç¸ÉÏß±£»¤¶Ï·Æ÷¹ýµçÁ÷ÍÑ¿ÛÆ÷µÄÕû¶¨ £¨Ò»£©Åäµç¸ÉÏßWPM55±£»¤¶Ï·Æ÷µÄÑ¡ÔñÓëÕû¶¨

Åäµç¸ÉÏßWPM55±£»¤ÓöÏ·Æ÷µÄ³õÑ¡ÐͺÅΪT2S£¬160£¬PR222P-LSI£¬R160£¬3P¡£Æä¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨¼û±í6-1¡£

ÐòºÅ Õû¶¨ÏîÄ¿ Õû¶¨¼ÆË㹫ʽ Õû¶¨Öµ/½áÂÛ

27

ÒÑÖªIc=39.3A£¬Iu=160A£» 1 ¹ýµçÁ÷ÍÑ¿ÛÆ÷¶î¶¨µçÁ÷Ñ¡Ôñ ÒªÇóIu¡ÝIn£¾Ic 2 ³¤ÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷ In=40A Ir1¡ÝIc=39.3A 1£©¶ã¹ý¶Ìʱ¼â·åµçÁ÷ Ir1=0.7In ¶ÌÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷ 3 Õû¶¨µçÁ÷¼°Ê±¼ä Ir2=5In t2=0.25s Ir2¡Ý£¨4¡«7£©Ic 2£©Õû¶¨Ê±¼ä0.25s ÒÑÖªIk.min=0.93kA 4 ±£»¤ÁéÃô¶ÈµÄ¼ìÑé Ik.min/Ir2£¾1.3 ºÏ¸ñ Ik.minIr2=4.6 ¹ý¸ººÉ±£»¤ Óë±»±£»¤Ïß· 5 µÄÅäºÏ ¶Ì·±£»¤ ÅäºÏ ÒÑÖªµçÀ½ØÃæΪ16mm£¬ 2Ir1£¼Ial ºÏ¸ñ Ial=96A¡Á0.55=52.8A Âú×ã¶Ì·ÈÈÎȶ¨Ìõ¼þ ºÏ¸ñ ÅäºÏ £¨¶þ£©Åäµç¸ÉÏßWLM22±£»¤¶Ï·Æ÷µÄÑ¡ÔñÓëÕû¶¨

Åäµç¸ÉÏßWLM22±£»¤ÓöÏ·Æ÷µÄ³õÑ¡ÐͺÅΪT5S£¬630£¬PR221DS-LS£¬R630£¬3P¡£Æä¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨¼û±í6-2¡£

ÐòºÅ Õû¶¨ÏîÄ¿ Õû¶¨¼ÆË㹫ʽ ÒÑÖªIc=324.3A£¬Iu=630A£» 1 ¹ýµçÁ÷ÍÑ¿ÛÆ÷¶î¶¨µçÁ÷Ñ¡Ôñ ÒªÇóIu¡ÝIn£¾Ic 2 ³¤ÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷ Õû¶¨Öµ/½áÂÛ In=500A Ir1¡ÝIc=324.3A 1£©¶ã¹ý¶Ìʱ¼â·åµçÁ÷ Ir1=0.8In ¶ÌÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷ 3 Õû¶¨µçÁ÷¼°Ê±¼ä Ir2=5.5In t2=0.25s Ir2¡Ý£¨4¡«7£©Ic 2£©Õû¶¨Ê±¼ä0.25s 4 ±£»¤ÁéÃô¶ÈµÄ¼ìÑé ÒÑÖªIk.min=8.05kA Ik.min/Ir2£¾1.3 ºÏ¸ñ

28

Ik.minIr2=2.9 ¹ý¸ººÉ±£»¤ ÒÑÖªµçÀ½ØÃæΪ300mm£¬ÅäºÏ 5 Óë±»±£»¤Ïß·µÄÅäºÏ ¶Ì·±£»¤ Âú×ã¶Ì·ÈÈÎȶ¨Ìõ¼þ ÅäºÏ 2Ir1£¼Ial ºÏ¸ñ Ial=596A¡Á0.8=476.8A ºÏ¸ñ 6.2.2 ±äµçËùµÍѹµçÔ´½øÏ߶Ï·Æ÷µÄÕû¶¨

±äµçËùµÍѹµçÔ´½øÏ߶Ï·Æ÷³õÑ¡ÐͺÅΪE3N£¬32£¬PR122/P-LSI£¬R2500£¬3P¡£Æä¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨¼û±í6-3¡£

ÐòºÅ Õû¶¨ÏîÄ¿ Õû¶¨¼ÆË㹫ʽ ÒÑÖªIc=1854.1A£¬Iu=3200A£» 1 ¹ýµçÁ÷ÍÑ¿ÛÆ÷¶î¶¨µçÁ÷Ñ¡Ôñ ÒªÇóIu¡ÝIn£¾Ic Âú×ãÕý³£·ûºÏÒªÇó£º ³¤ÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨µç2 Á÷ Õû¶¨Öµ/½áÂÛ In=2000A Ir1¡ÝIc=1854.1A£¬Í¬Ê±Ir1¡Ü1.2Ic£¨ÔÊÐí±äѹÆ÷1.2±¶µÄ¹ýÔØ£© 1£©¶ã¹ý¶Ìʱ¼â·åµçÁ÷ Ir1=0.9In Ir2¡Ý1.2[Ist.M+Ic(n?1)]=3367.68A¶ÌÑÓʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷ 3 Õû¶¨µçÁ÷¼°Ê±¼ä £¨È¡¶î¶¨µçÁ÷30.4A£¬Æô¶¯µçÁ÷±¶ÊýΪ7£© 2£©Õû¶¨Ê±¼ä0.25s£¨Ï¼¶ÑÓʱ×ʱ¼ä£©+0.15s=0.4s ¶ã¹ý˲ʱ¼â·åµçÁ÷ 4 ˲ʱ¹ýµçÁ÷ÍÑ¿ÛÆ÷Õû¶¨µçÁ÷ 'Ir2=1.7In t2=0.4s Ir3¡Ý1.2[Ist.M+Ic(n?1)]=3367.68A Ir3=1.7In 5 ±£»¤ÁéÃô¶ÈµÄ¼ìÑé ÒÑÖªIk.min=22.57kA Ik.min/Ir2£¾1.3 ºÏ¸ñ

29

Ik.minIr2¹ý¸ººÉ±£»¤Óë±»±£»¤Ïß·6 µÄÅäºÏ ¶Ì·±£»¤ ÅäºÏ =6.7 ÒÑ֪ĸÏßIal=2624A Ir1£¼Ial ºÏ¸ñ Âú×ã¶Ì·ÈÈÎȶ¨Ìõ¼þ ÅäºÏ ºÏ¸ñ

ͼ ֽ Ŀ ¼

ÐòºÅ 1 2 3 4 ͼ Ö½ Ãû ³Æ ±äµçËù¸ßѹ²àµçÆøÖ÷½ÓÏßͼ ±äµçËùµÍѹ²àµçÆøÖ÷½ÓÏßͼ

ͼ·ù A3 A3 ͼֽ±àºÅ µç01 µç02 ¹² ÕÅ ±¸ ×¢

30