Research on Insulation Resistance Monitoring and Electrical Performance Evaluation into Permanent Magnet Synchronous Motor Considering Humidity and Heat Factors

Author:

Zhang Wei1,Qiu Zizhen1,Kong Zhiguo1,Huang Xin1,Wang Fang1

Affiliation:

1. CATARC New Energy Vehicle Test Center

Abstract

<div class="section abstract"><div class="htmlview paragraph">Focused on the permanent magnet synchronous motor (PMSM) used in electric, this paper proposes an online insulation testing method based on voltage injection under high-temperature and high-humidity conditions. The effect of constant humidity and temperature on the insulation performance has been also studied. Firstly, the high-voltage insulation structure and principle of PMSM are analyzed, while an electrical insulation testing method considered constant humidity and temperature is proposed. Finally, a temperature and humidity experimental cycling test is carried out on a certain prototype PMSM, taking heat conduction and radiation models, water vapor, and partial discharge into account. The results show that the electrical insulation performance of the motor under constant humidity and temperature operation environment exhibits a decreasing trend. This study can provide theoretical and practical references for the reliable durability design of PMSM.</div></div>

Publisher

SAE International

Reference10 articles.

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3. Ruihua , L. , Guoxiang , M. , Hengkun , X. et al. A Hybrid Prediction Approach for Stator Insulation Breakdown Voltage of Large Generator Based on PLS Combined with Artificial Neural Network Proceedings of the CSEE 27 3 2007 100 105

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