【摘要】 文章介绍了目前国内外变电站电气设备的防冰、除冰技术以及应用效果。通过在2005年和2008年冰灾中,运用紫外光成像技术对覆冰绝缘子进行电晕放电检测和故障诊断,提出了变电站电气设备冰灾超前诊断方法与提前防范技术,重点在于防范电气设备覆冰闪络。更多还原

【Abstract】 The preventive and de-icing technique for the de-icing of substation electrical equipment home and abroad and its application effectiveness were introduced.In connection with the experience of applying UV daytime camera in the detection of corona occurring on the electrical equipment and flashover due to the development of the corona,pre-failure diagnosis of substation electrical equipment under icing condition and preventive techniques were raised in order to prevent flashover from happening.更多还原