摘要
根据相关标准和厂家产品指导原则,介绍了低压断路器的选型和应用原则。结合实际工作经验,探讨了在运营电厂中低压断路器选型的要点和难点,对低压配电设备安全、可靠、经济地运行有保障作用。
According to the relevant standards and manufacturers＇ guiding principles, the principles of selection and application of low voltage circuit breakers were described. Combined with practical experience, the key points and difficulties of the low voltage circuit breakers selection in operating power plants was discussed, iR guarantees the safety, reliability and economical efficiency of low voltage switch box.
出处
《低压电器》
2013年第7期53-57,共5页
Low Voltage Apparatus
关键词
低压断路器
脱扣特性
过载
短路
选择性
low voltage circuit breaker
tripping characteristic
overload
short circuit
selectiveness
