?¸ßѹ±äƵÆ÷¾ßÓи߶ÈÖÇÄÜ»¯ÔËËãˮƽºÍÍêÉÆµÄ¹ÊÕϼì²âµç·£¬£¬²¢ÄܶÔËùÓеĹÊÕÏÌṩ׼ȷµÄ¶¨Î»£¬£¬ÔÚÖ÷¿Ø½çÃæÉÏ×ö³öÃ÷È·µÄָʾ¡£¡£¡£ÔÚÏÖʵµÄÔËÓÃÖÐÎÒÃÇ·¢Ã÷£¬£¬³£¼ûµÄ¹ÊÕϿɷÖΪ¿ØÖÆÍ¨µÀÒì³£¡¢IGBT¹ýÁ÷£¬£¬¹ýµçѹ¹ÊÕϵȵȡ£¡£¡£ÕâÀï¾Í³£¼ûµÄ¹ÊÕϼ°±¬·¢µÄÔµ¹ÊÔÓɺʹ¦Öóͷ£ÒªÁì¾ÙÐÐÆÊÎö¡£¡£¡£
1.¿ØÖÆÍ¨µÀÒì³£¹ÊÕÏ
¿ØÖÆÍ¨µÀÒì³£¹ÊÕÏͨ³£ÓÉÓÚPWM°åÓ빦Âʵ¥Î»°åÖ®¼äµÄ¹âÏËͨѶÔì³ÉµÄ£¬£¬Ò»Ñùƽ³£ÓÉÒÔϼ¸ÖÖÇéÐΣº
1£©¹âÏËÅþÁ¬²¿Î»½Ó´¥²»Á¼»ò¹âÏËÍ·ÍÑÂ䣻£»£»£»
2£©¹âÏËÐźŷ¢ËÍ/ÎüÊÕÆ÷ÄÚ²¿Èº¼¯»Ò³¾£»£»£»£»
3£©¹âÏËÕÛ¶Ï£»£»£»£»
2.¹âÏËͨѶ¿ØÖưåËð»µ
ÔÚ·ºÆð¹âÏ˹ÊÕϵÄÇéÐÎÏ£¬£¬Ê×ÏÈÐèÒªÅжÏÊǹ¦Âʵ¥Î»¹ÊÕÏÕվɿØÖÆÆ÷²à·ºÆð¹ÊÕÏ£¬£¬¿ÉÒÔͨ¹ý¶Ôµ÷¹âÏ˵ÄÒªÁì¾ÙÐÐÅжϡ£¡£¡£½«ÔÚ¿ØÖÆÆ÷ÖйâÏ˰åÉϵÃͳһÏàµÃí§ÒâÒ»¸ö¹¦Âʵ¥Î»¶ÔÓ¦µÄ¹âÏËÓ뱨¹ÊÕϵĹâÏ˾ÙÐжԵ÷£¬£¬ÔÙ´ÎÉϵç¼à¿Ø½çÃæ¶¨Î»µÄ¹âÏ˹ÊÕÏÈôÊÇÈÔÈ»ÔÚÔλÖ㬣¬ËµÃ÷ÊǹâÏ˰åË𻵣¬£¬·´Ö®£¬£¬¼à¿Ø½çÃæÏÔʾµÄ¹âÏ˹ÊÕÏÒÑ¾Ìæ»»Î»Ö㬣¬Ôò˵Ã÷Êǹ¦Âʵ¥Î»¹ÊÕÏ£¬£¬´Ëʱ¿ÉÒÔ˼Á¿Ìæ»»»òάÐÞ¹ÊÕϹ¦Âʵ¥Î»¡£¡£¡£
3.IGBT¹ýÁ÷¹ÊÕϵÄÔµ¹ÊÔÓɼ°½â¾ö²½·¥
IGBTÊǸßѹ±äƵÆ÷ÖиüÒªº¦µÄ¹¦ÂÊÆ÷¼þ£¬£¬IGBT×÷ΪһÖÖ´ó¹¦Âʵĸ´ºÏÆ÷¼þ£¬£¬±£´æ×ŹýÁ÷ʱ¿ÉÄܱ¬·¢Ëø¶¨Õ÷Ïó¶øÔì³ÉË𻵵ÄÎÊÌâ¡£¡£¡£ÎªÁËÌá¸ßϵͳµÄ¿É¿¿ÐÔ£¬£¬½ÓÄÉÁËһЩ²½·¥±ÜÃâÒò¹ýÁ÷¶øË𻵡£¡£¡£Í¨³£ÒýÆðIGBT¹ýÁ÷¹ÊÕϵÄÔµ¹ÊÔÓÉÓÐÒÔϼ¸ÖÖ£º
¡¡1£©±äƵÆ÷Êä³ö¶Ì·£»£»£»£»
¡¡2£©¹¦Âʵ¥Î»ÄÚIGBT±»»÷´©£»£»£»£»
¡¡3£©Çý¶¯¼ì²âµç·Ëð»µ
¡¡4£©¼ì²âµç·±»×ÌÈÅ£»£»£»£»
¼ì²âÒªÁìÊÇÆ¾Ö¤¼à¿Ø½çÃæÏÔʾµÄ¹ÊÕ϶¨Î»ÕÒµ½¶ÔÓ¦µÃÄ£¿£¿£¿£¿£¿é£¬£¬²ð¿ª¼ì²éIGBTÊÇ·ñË𻵣¬£¬ÅжϵÄÒªÁìÊÇÕÒµ½¹¦Âʵ¥Î»ÄÚ²¿Ö±Á÷ĸÏßµÄÕý¼«V+Ó븺¼« V-£¬£¬½«ÍòÓñíµÄºÚ±í±Ê½Óµ½V+ÉÏ£¬£¬ºì±í±Ê»®·Ö½Óµ½U,VÉÏ£¬£¬Óöþ¼«¹Üµµ£¬£¬Ó¦¸ÃÏÔʾ0.4V×óÓÒµÄÊýÖµ£¬£¬·´ÏàÔòÏÔʾÎÞÏ޴󣻣»£»£»½«ºì±í±Ê½Óµ½V-ÉÏ£¬£¬Öظ´ÒÔÉϰ취£¬£¬Ó¦»ñµÃÏàͬµÄЧ¹û£¬£¬²»È»¿ÉÅжÏIGBTËð»µÐèÒªÌæ»»¡£¡£¡£
4.¹ýµçѹ¹ÊÕÏÔµ¹ÊÔÓɼ°½â¾ö²½·¥
¹ýµçѹԵ¹ÊÔÓÉÒ»Ñùƽ³£ÊÇÊÇÀ´×ÔµçÔ´ÊäÈë²àµÄ¹ýµçѹ£¬£¬Õý³£ÇéÐÎϵçÍøµçѹµÄ²¨¶¯ÔڶµçѹµÄ-10%¡«+10%ÒÔÄÚ£¬£¬¿ÉÊÇÔÚÌØÊâÇéÐÎÏ¡£¡£¡£ÓÉÓÚÖ±Á÷ĸÏßµçÑ¹Ëæ×ŵçÔ´µçѹÉÏÉý£¬£¬ÒÔÊǵ±µçѹÉÏÉýµ½±£»£»£»£»¤ÖµÊ±£¬£¬±äƵÆ÷»áÒò¹ýµçѹ±£»£»£»£»¤¶øÌøÕ¢¡£¡£¡£Îª×èÖ¹ÊäÈë²à¹ýµçѹ¿ÉÒԸıä±äѹÆ÷µÄ³éÍ·¾ÙÐе÷Àí£¬£¬´ËÖÖÒªÁìÖ»ÊʺÏÓÚÏÖ³¡µçѹһֱƫ¸ßµÄÇéÐÎÏ£¬£¬ÁíÍ⻹¿ÉÒÔ˼Á¿ÔÚµçÔ´ÊäÈë²àÔöÌíÎüÊÕ×°Ö㬣¬ïÔÌ±äÆµÆ÷ÊäÈë²à¹ýµçѹÒòËØ¡£¡£¡£
......
¸ü¶àÄÚÈݽӴýÓëÎÒÃǽ»Á÷¡£¡£¡£