Real time Monitoring System of Leakage Current for High voltage Small oil volume Circuit Breaker 高压少油开关泄漏电流的实时监测系统
The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it's important method of ensuring the safe operation of transformer and oil-filled circuit breaker, etc. 绝缘油的介质损耗因数、体积电阻率测量,是判断绝缘油的劣化与污染程度的有效预防性试验,是保障变压器、油断路器等充油电力设备安全运行的重要手段。
Infrared Diagnosis for Faults of Internal Contacts in Less Oil Circuit Breaker 浅谈少油断路器内部触头故障的红外诊断
An overall analysis on a case of oil ejecting and on-fire fault of a 10 kV circuit breaker is performed, which shows the importance of analyzing distribution network equipment faults. A discussion on the status of Handan urban distribution network after being reformed is also performed. 对一例10kV断路器喷油着火故障进行了全面的分析,指出了分析配网设备故障的重要性,并对邯郸市城网改造完成后配网设备的现状进行了探讨。
By analysis of explosion accident of high voltage little oil circuit breaker, found out the weak link existed on this breaker, for which proposes some suggestions for reader reference. 通过分析一起高压少油断路器爆炸事故,从中找出断路器本身存在的薄弱环节,为此提出一些改进建议供读者参考。
Fault Diagnosis and Analysis for Oil Pressure Mechanism of HV Circuit Breaker 高压断路器液压机构故障诊断及处理
The HP oil pipes, with great length, a large number of joints and high rated oil pressure, often break off and experience oil leakage at joints, which impacts the normal running of the circuit breaker. 由于高压油管路径长、接头多,额定油压力高,高压油管崩脱、接头渗油现象十分普遍,影响断路器的正常运行。
SF6 circuit breaker is a technically mature high-voltage electrical equipment, and many of its performance are significantly better than the original oil circuit breaker, the recent 10 years in the country to obtain a large area applications. SF6断路器是技术上逐渐成熟的高压电器设备,它的许多性能都明显优于原来的油断路器,最近十多年来在国内获得大面积应用。