发明名称 |
Method and apparatus for increasing AC motor torque output at low frequency |
摘要 |
Methods and apparatus are provided for controlling AC motor torque output. The method comprises the steps of producing a current based on a first comparison of a fundamental output frequency of the AC motor with a predetermined frequency and a second comparison of a magnitude of a commanded current with a predetermined DC current, and supplying the current to the AC motor.
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申请公布号 |
US7218071(B1) |
申请公布日期 |
2007.05.15 |
申请号 |
US20060375429 |
申请日期 |
2006.03.14 |
申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS, INC. |
发明人 |
WELCHKO BRIAN;SCHULZ STEVEN E.;HITI SILVA |
分类号 |
H02P27/06 |
主分类号 |
H02P27/06 |
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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