pwm -逆变式异步电动机绝缘系统的比较

ICEMS'2001. Proceedings of the Fifth International Conference on Electrical Machines and Systems (IEEE Cat. No.01EX501) Pub Date : 2001-08-18 DOI:10.1109/ICEMS.2001.970612

D. Hwang, Doh-Young Park, YongJun Kim, Young-Hoon Lee, Dong-Hee Kim, In-Woo Lee, Ick-Goo Hur

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引用次数: 4

摘要

电压馈电逆变器调速系统中低压感应电动机绕组绝缘由于电压分布不均匀，电压应力过大(dv/dt)，导致绕组绝缘过早击穿。本文介绍了用于逆变器的20hp, 380v感应电动机绝缘特性的测试结果。五种不同类型的绝缘技术应用于19个感应电机。将绝缘特性与局部放电、电容、交流电流和耗散因数测试进行比较。并进行了高压脉冲绝缘击穿试验，得到了相应的击穿电压。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A comparison with insulation system for PWM-inverter-fed induction motors

The winding insulation of low-voltage induction motors in adjustable-speed drive system with voltage-fed inverters is substantially stressed due to the uneven voltage distribution and excessive voltage stress (dv/dt), which result in the premature insulation breakdown. This paper describes test results of the insulation characteristics from 20 HP, 380 V induction motors for inverter applications. Five different types of insulation techniques are applied to 19 induction motors. The insulation characteristics are compared to partial discharge, capacitance, AC current, and dissipation factor tests. Also, the insulation breakdown tests by high voltage pulses are performed, and the corresponding breakdown voltages are obtained.

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ICEMS'2001. Proceedings of the Fifth International Conference on Electrical Machines and Systems (IEEE Cat. No.01EX501)

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