感应电机快速投入控制参数的解析

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Abstract The control parameter analytical technique on quick switching on induction motor with hybrid switch made of vacuum breaker and thyristor valve in parallel connection was proposed. This technique was namely that two phase windings were conducted firstly and the third phase winding was conducted later in order to realize three phase windings to be conducted in one power cycle rapidly, and suppress inrush current with advantage of low loss, low cost and high reliability. Based on the non symmetry to symmetry induction motor mathematical model in the condition of about synchronous speed and no stator residual voltage, the function relationship between the control parameter of quick switch and induction motor parameter was deduced. The validity can be verified by Matlab simulation and engineering test. The technique on quick switching on induction motor with hybrid switch can solve conflict between speediness and reliability and will be a new method for induction motor control in engineering project. The mathematical analytical method of induction motor stator current based on the non symmetry to symmetry mathematical model is providing the theoretical foundation further for quick switch on induction motor in the condition of residual voltage of stator.

Key words： Induction motor quick switch hybrid switch space-vector initial trigger angle the third phase trigger angle

Received: 19 July 2012 Published: 25 March 2014

PACS:

TM351

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	Li Weiguo
	Cui Xunshen
	Luo Yingli
	Wang Yilong

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Li Weiguo,Cui Xunshen,Luo Yingli等. Analytical Method on Control Parameter of Quick Switching on Induction Motor Load[J]. Transactions of China Electrotechnical Society, 2013, 28(3): 154-160.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I3/154

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