发明授权
US5486748A Method and apparatus for improved efficiency in a pulse-width-modulated
alternating current motor drive
失效
用于提高脉冲宽度调制的交流电动机驱动器的效率的方法和装置
- 专利标题: Method and apparatus for improved efficiency in a pulse-width-modulated alternating current motor drive
- 专利标题(中): 用于提高脉冲宽度调制的交流电动机驱动器的效率的方法和装置
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申请号: US195636申请日: 1994-02-14
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公开(公告)号: US5486748A公开(公告)日: 1996-01-23
- 发明人: Charles E. Konrad , Richard W. Boothe
- 申请人: Charles E. Konrad , Richard W. Boothe
- 申请人地址: NY Schenectady
- 专利权人: General Electric Company
- 当前专利权人: General Electric Company
- 当前专利权人地址: NY Schenectady
- 主分类号: H02P27/08
- IPC分类号: H02P27/08 ; B60L11/18 ; H02M7/5387 ; H02P27/06 ; H02P5/28
摘要:
A scheme for optimizing the efficiency of an AC motor drive operated in a pulse-width-modulated mode provides that the modulation frequency of the power furnished to the motor is a function of commanded motor torque and is higher at lower torque requirements than at higher torque requirements.
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