ããud/sqrt(3)æ¯æçµååæç¢éçæ大å¹
å¼ï¼
线çµåæ大å¹
å¼å¯è¾¾1*udï¼å æ¤è¯´æ§å¶ç¢éèå²è°å¶æ¹æ³çç´æµçµåå©ç¨ç为100%ã
ããSVPWMç主è¦ææ³æ¯ä»¥ä¸ç¸å¯¹ç§°
æ£å¼¦æ³¢çµåä¾çµæ¶ä¸ç¸å¯¹ç§°çµå¨æºå®åçæ³ç£é¾å为åèæ åï¼ä»¥ä¸ç¸éåå¨ä¸åå¼å
³æ¨¡å¼ä½éå½çåæ¢ï¼ä»èå½¢æPWMæ³¢ï¼ä»¥æå½¢æçå®é
ç£é¾ç¢éæ¥è¿½è¸ªå
¶åç¡®ç£é¾åãä¼ ç»çSPWMæ¹æ³ä»çµæºçè§åº¦åºåï¼ä»¥çæä¸ä¸ªå¯è°é¢è°åçæ£å¼¦æ³¢çµæºï¼èSVPWMæ¹æ³å°éåç³»ç»å
å¼æ¥çµæºçä½ä¸ä¸ªæ´ä½æ¥èèï¼æ¨¡åæ¯è¾ç®åï¼ä¹ä¾¿äºå¾®å¤çå¨çå®æ¶æ§å¶ã