3AQ1EG型断路器氮气泄漏及频繁打压缺陷分析及处理

Analysis and Treatment of Nitrogen Leakage and Frequent Pressure Defects of SIEMENS Circuit-Breaker 3AQ1EG

针对3AQ1EG型断路器频繁发生氮气泄漏或断路器频繁打压缺陷,在该型断路器不同液压状态基础上对二次回路进行分析。结合现场实际情况,提出解决氮气泄漏、断路器频繁打压缺陷的方法,提升了3AQ1EG型断路器缺陷处理速度,保证了设备及电网安全、稳定运行。

To the problem of frequent nitrogen leakage and pressing defects of circuit breaker 3AQ1EG,the secondary circuit was analyzed based on the different hydraulic state of the circuit breaker.Combined with the actual situation on site,a method to solve the defects of nitrogen leakage and frequent pressing of circuit breakers was proposed,which improved the processing speed of 3AQ1EG circuit breakers and ensured the safe and stable operation of equipment and power grid.