摘要
过流保护是煤矿三大保护之一,对过流保护装置合理、正确的使用和设置是保证矿山安全、高效生产的重要措施。本文对煤矿井下过电流故障产生的原因及危害进行了分析,阐述了各种过电流保护装置动作值的整定方法和对装置的要求。
Over-current protection is one of the three protection in coal mine,its reasonable and proper usage ensures safety and high efficiency production in mine.The paper has analyzed the causes and hazards of over-current fault in coal mine underground and elaborated the setting method of various of over-current protection device working value and the demands for this device.
出处
《江西煤炭科技》
2010年第3期88-89,共2页
Jiangxi Coal Science & Technology
关键词
过流保护
短路
熔断器
过流继电器
over-current protection
short circuit
fuse
over-current relay
