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Design and experiment of 155kW doubly-fed induction motor system used in pump stations

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6 Author(s)
Jie Zhang ; Coll. of Electr. & Electron. Eng., Huazhong Univ. of Sci. & Technol., Wuhan ; Yong Kang ; Dong-Chu Liao ; Hua-Feng Cai
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It is new application to use doubly-fed induction motor (DFIM) in pump stations in China. This paper presents the design and experiment of a 155 kW DFIM system. In order to solve the problem which occurs during the motor changing its working condition from asynchrony to AC excitation, a strategy of two-step AC excitation is proposed. Three-phase half-wave cycleconverter and stator flux-orientated vector control are adopted to achieve speed control and power factor (PF) control. This system has been experimented in a pump station. Experimental waveforms and analysis are given.

Published in:

Automation Congress, 2008. WAC 2008. World

Date of Conference:

Sept. 28 2008-Oct. 2 2008