高压异步电动机正弦硬绕组的设计

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Abstract Based on the idea of sinusoidal random windings with low harmonics that are often applied to small and medium sized motors, the sinusoidal hard windings that can be applied to high voltage asynchronous motors are presented in the paper. According to the analysis on the harmonics of the sinusoidal hard windings and the differences between the hard lap windings and the random lap windings, the design method of the sinusoidal lap hard windings converted from the conventional double layer lap hard windings is introduced, which references to the design thought of sinusoidal random windings. The number of parallel branches and the stator parallel windings, the wire guage of the flat conductors and the turn number of the windings of -△connection are determined here. The results show that without increasing the cost, the efficiency of high voltage asynchronous motors with sinusoidal hard windings is enhanced further, which is feasible and very valuable for developing high voltage and high efficiency motors.

Key words： Large power and high voltage asynchronous motors sinusoidal hard windings double layer lap windings star-delta mixed connection wire guage turn number

Received: 15 January 2008 Published: 11 February 2014

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TM343

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	Wang Shuping
	Zhao Zhengming

Cite this article:

Wang Shuping,Zhao Zhengming. Design of Sinusoidal Hard Winding for High Voltage Asynchronous Motors[J]. Transactions of China Electrotechnical Society, 2009, 24(2): 8-13.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2009/V24/I2/8

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作者简介: 汪书苹女, 1977年生, 博士研究生, 主要研究方向为高效高压异步电动机设计与分析。赵争鸣男, 1959年生, 博士, 教授, 博士生导师, 主要研究方向为电力电子与电机控制。