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Abstract¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡1
µÚ1Õ ¿ÎÌâµÄÑ¡¶¨ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2
µÚ2Õ ¿ÎÌâÉè¼ÆÄ¿±ê ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2
2.1 Ö÷Òª¹¦Äܺ͹æ¸ñ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡3
2.2 Ö÷Òª¼¼ÊõÖ¸±ê ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡3
2.3 µç·½á¹¹ÐÍʽ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡3
µÚ3Õ ¿ÎÌâ·½°¸Ñ¡Ôñ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡4
3.1 Ó봫ͳÐîµç³Ø·Åµç×°ÖõıȽϡ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ 4
3.1.1 µç×è·Åµç×°Öá¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡4
3.1.2 ¾§Õ¢¹ÜÓÐÔ´Äæ±ä·Åµç×°Öá¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡4
3.2 ϵͳ·½°¸È·¶¨ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡5
µÚ4Õ ϵͳ·½°¸Éè¼Æ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡6
4.1 BUCKµç·µÄ¹¤×÷¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ 6
4.2 ±ä»»Æ÷Ö÷»Ø·ʹÓÃÔª¼þÃ÷ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡7
4.2.1 IGBT¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ 7
4.2.2 µç¸Ð¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ 7
4.2.3 µçÈÝ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ 8
4.2.4 PTC·Åµçµç×è¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡8
4.2.5 PTCÎƲ¨·¢ÈÈÌå¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡9
4.3 ϵͳ¹¤×÷ÔÀí˵Ã÷¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡10
4.3.1 Ö÷µç·²¿·Ö ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡11
4.3.2 µçÔ´²¿·Ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡11
4.3.3 Çý¶¯²¿·Ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡12
4.3.4 ¿ØÖƲ¿·Ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡13
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4.3.6 ¼ì²â²¿·Ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡1
4.3.7 ϵͳÈíÆô¶¯ÐźſØÖÆ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡15
4.3.8 ͨѶµç·²¿·Ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡16
4.4 Èí¼þÉè¼Æ˵Ã÷¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡16
4.5 ½á¹¹¹¤ÒÕ¼Æ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡24
µÚ5Õ ½áÊøÓïÖÂл¼°²Î¿¼ÎÄÏ× ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡25
¸½Â¼£¨³ÌÐòÇåµ¥£© ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡28
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¡¾¹Ø¼ü´Ê¡¿£ºµç³ØÈÝÁ¿¡¢IGBT¡¢PTCµç×è¡¢ÓÐÔ´Äæ±ä¡¢BUCKµç·
Abstract: It should be once checked discharge when baterries are fixed first time or when they are continuous function on float running after one year.So it should be used a device to discharge the baterries.For these cases, comparing some projects,a BUCK circuit of DC/DC transform has benn application. The performance of the device experimentation have proved it is suitable in electrical system.
Keywords: baterries¡¢capacity¡¢IGBT¡¢PTC resistance¡¢active inverter¡¢BUCK circuit