摘要
过电压是造成井下电气设备损坏的主要因素,但极易被忽视,过电压的保护是保证设备安全的重要手段,介绍、分析过电压的产生与危害及防护。
The overvoltage is primary factors causing electrical equipment underground the coal mine,it is ignored. The overvohage protection is an important method to ensure the equipment safety. The paper means to present and analyze the overvoltage production, damage and production.
出处
《电气开关》
2008年第6期67-68,70,共3页
Electric Switchgear
关键词
井下
过电压
保护
under the shaft
overvoltage
protection
