空气相对湿度对高压电机线圈电晕起始电压影响的试验研究

Test & Study about Influence of Air Relative Humidity on Corona Initial Voltage of Coils for High Voltage Electrical Machine

介绍了空气相对湿度对高压电机线圈电晕起始电压的影响，采用了人工模拟试验和实地试验两种方法．试验选择了有代表性的、不同电压等级的和不同绝缘结构的试样。两种试验结果是接近的。本文为线圈的制造与检查提供了数据，并为制定防电晕标准提供了参考资料。

In this paper is introduced the influence of air relative humidity on corona initial voltage of coil for high voltage electrical machine.Two test methods in this study are the man-made simulative test and the test at site.In the tests were selected the typical samples with different voltage and coil isulation construction. Results of these two methods are close.The date for producting and checking coils as well as reference for establishing standard of coil corona-resistant structure are presented in this paper.