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METHOD AND ARRANGEMENT FOR CONTROLLING PERMANENT M

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专利名称:METHOD AND ARRANGEMENT FOR

CONTROLLING PERMANENT MAGNETSYNCHRONOUS MACHINES

发明人:Antti PIIPPO,Jani Kangas,Jussi Rantanen申请号:US12970362申请日:20101216

公开号:US20110148334A1公开日:20110623

专利附图:

摘要:A method and an arrangement are provided for controlling a sensorlesspermanent magnet synchronous machine using a frequency converter connected to feed

the machine with electrical power. A current a current vector having a magnitude isproduced to the stator of the machine with the frequency converter, and the currentvector is rotated for rotating the rotor of the machine. Prior to starting the drive, a valueis defined for the magnitude of the current vector and a frequency limit. The definedvalue is used as the magnitude of the current vector when the rotor of the machine isrotated with a frequency that is lower than the defined frequency limit. A vector controlmethod is used for controlling the machine when the frequency of the machine is higherthan or equal to the defined frequency limit.

申请人:Antti PIIPPO,Jani Kangas,Jussi Rantanen

地址:Espoo FI,Espoo FI,Espoo FI

国籍:FI,FI,FI

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