发明名称 |
Controlling apparatus for induction motor |
摘要 |
By detecting that an induction motor has entered in regenerative running, the velocity or voltage is corrected such that the q-axis flux takes a negative value in regenerative running, thereby preventing the torque from being reduced by flux change and suppressing an insufficient torque. <IMAGE> |
申请公布号 |
EP0743745(B1) |
申请公布日期 |
2003.07.30 |
申请号 |
EP19960303382 |
申请日期 |
1996.05.14 |
申请人 |
HITACHI, LTD. |
发明人 |
ISHIDA, SEIJI;OKUYAMA, TOSHIAKI;TOBARI, KAZUAKI;OOHASHI, HIRONORI;TOMITA, HIROYUKI;FUJI, HIROSHI |
分类号 |
H02P21/00;H02P27/04;H02P27/06 |
主分类号 |
H02P21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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