共和光热电厂35kV输电线路接地故障原因分析及处理

Cause Analysis and Treatment of Ground Fault for 35kV Transmission Line in Gonghe Solar Thermal Power Plant

为了满足当前光热行业发展的要求,35 kV输电线路运行维护与故障排除是一项十分重要的工作,关系到光热电厂的稳定运行,影响着光热电厂可靠持续发用电。由于35 kV输电线路在日常运行中很容易受到外界复杂因素的影响,所以难以避免会出现故障,而一旦出现故障就会导致用电中断,所以构建科学的维护体系,提升故障排除技术水平十分重要。在35kV配电线路故障中采用保护动作信号及故障录波等方法,对故障直接原因和间接原因进行分析,提出了35 kV输电线路故障问题的解决方法和防范措施,可为光热发电工程35 kV输电线路提供借鉴。

To meet the requirements of the solar-thermal industry development,the operation,maintenance and troubleshooting of 35 kV transmission lines is a very important task,which concerns the stable operation of the solar thermal power plant and affects the reliable and continuous power generation of the plant.Since 35 kV transmission lines are vulnerable to complex external factors in daily operation,it is difficult to avoid fault,and once faults occur,power supply will be interrupted.Therefore,it is very important to establish a scientific maintenance system and improve the technical level of troubleshooting.In the fault of 35 kV transmission line,the measures of furnishing protection signal and fault recording are taken to analyze the direct and indirect causes of the fault,and solutions and preventive measures are put forward,which provides reference for 35 kV transmission lines of similar solar thermal power generation projects.