µç¹¤Ñ§ÉÙѧʱÌƽéÖ÷±à¿ÎºóÏ°Ìâ´ð°¸ - ͼÎÄ ÏÂÔر¾ÎÄ

ÉÏÒ»Ò³

ÏÂÒ»Ìâ

ÉÏÒ»Ìâ

»ÃµÆƬ44

2.5.1 ͼËùʾµç·ԭÒÑ´¦ÓÚÎÈ̬¡£ÊÔÓÃÈýÒªËØ·¨Çó¿ª¹Ø S ±ÕºÏºóµÄ uL ºÍ uR¡£

¡¾½â¡¿

R2uC(0)?uC(0?)?USR1?R2?R36?103 ??40 V3332?10?6?10?12?10uC(?)?0 V6?103?12?103?6??(R2//R3)C?(?50?10) s?0.2 s336?10?12?10Ôò

uC?uC(?)?[uC(0)?uC(?)]euR??uC??12e?5tV?t??12e?5t VÓÉ»»Â·ºóµÄµç·֪

·µ »ØÁ·Ï°ÌâÌ⼯

ÏÂÒ»Ìâ

ÉÏÒ»Ìâ

»ÃµÆƬ45

2.5.2 ͼËùʾµç·ԭÒÑ´¦ÓÚÎÈ̬¡£ÊÔÓÃÈýÒªËØ·¨Çó S ±ÕºÏºóµÄ uC¡£

¡¾½â¡¿

Ôò

»ÃµÆƬ46

2.5.3 Çó»»Â·ºóµÄ uC ¡¾½â¡¿Ôò

·µ »ØÁ·Ï°ÌâÌ⼯

ÏÂÒ»Ìâ

ÉÏÒ»Ìâ

ͼËùʾµç·ԭÒÑ´¦ÓÚÎÈ̬£¬ÔÚ t = 0 ʱ£¬½«¿ª¹Ø S ¶Ï¿ª£¬ÊÔÓÃÈýÒªËØ·¨ºÍ iC¡£

uC(0)?uC(0?)?US?18 VuC(?)??R2IS??6 V?(R1?R2)C?0.001 su?tC?uC(?)?[uC(0)?uC(?)]e? ?(?6?24e?1000t) VuCduCL?dt??1.2e?1000t A

?·µ »ØÁ·Ï°ÌâÌ⼯

ÏÂÒ»Ìâ

ÉÏÒ»Ìâ

»ÃµÆƬ47

2.5.4 ͼËùʾµç·ԭÒÑ´¦ÓÚÎÈ̬¡£ÊÔÓÃÈýÒªËØ·¨Çó¿ª¹Ø S ¶Ï¿ªºóµÄ iL ºÍ uL¡£

¡¾½â¡¿

Ôò

·µ»ØÖ÷Ò³

·µ»ØÁ·Ï°ÌâÌ⼯

ÉÏÒ»Ìâ

»ÃµÆƬ48

3.1.1 ÒÑ֪ij¸ºÔصĵçÁ÷ºÍµçѹµÄÓÐЧֵºÍ³õÏàλ·Ö±ð ??3045 ÊÇ2A ¡¢- ; 36V¡¢ , ƵÂʾùΪ 50 Hz¡£(1)д³öËüÃÇµÄ Ë²Ê±Öµ±í´ïʽ£»(2)»­³öËüÃǵIJ¨ÐÎͼ£»(3) Ö¸³öËüÃǵķù Öµ¡¢½ÇƵÂÊÒÔ¼°¶þÕßÖ®¼äµÄÏàλ²î¡£

¡¾½â¡¿ ±¾ÌâÄ¿µÄÊÇΪÁËÊìϤÕýÏÒ½»Á÷µçµÄÈýÒªËØ¡£

ͼ3.5

£¨1£©

i?22sin(314t?30)Au?362sin(314t?45)V

??£¨2£©²¨ÐÎͼÈçͼ3.5 Ëùʾ¡£

ÏÂÒ»Ìâ

ÏÂÒ»Ò³

·µ »Ø

»ÃµÆƬ49

£¨3£© ·ùÖµ ½ÇƵÂÊ Ïàλ²î