变频器驱动下组合转子电机运行性能

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Abstract Based on the small signal linearized method, the cause of the oscillation occurred in the starting process of the combined rotor machine driven by inverter was analyzed in the paper. It is found that the negative electromagnet damping factor can be the key point to result in the oscillation. In order to enhance anti-disturbance capability by making use of the mechanical damper on the rotor shaft, theoretical analysis results show that the reasonable damper can enhance systematic load capability. Experimental results show that the variable-frequency starting performance of the combined rotor machine with damper is significant improved, the load performance of the machine is also increased. A conclusion is drawn that the method of the damper installed on the rotor shaft to improve operating performance of the machine is feasible and effective.

Key words： Synchronous machine combined rotor load capability inertial damper variable- frequency startup

Received: 28 December 2010 Published: 20 March 2014

PACS:

TM351

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	Chen Xuezhen
	Gu Chenglin

Cite this article:

Chen Xuezhen,Gu Chenglin. Operating Performance of Combined Rotor Machine Driven by Inverter[J]. Transactions of China Electrotechnical Society, 2012, 27(10): 114-119.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I10/114

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