一起10 kV电压互感器故障原因分析与应对措施

Cause Analysis and Countermeasures of a 10 kV Voltage Transformer Fault

电压互感器工作原理与变压器相同,基本结构也是铁心和原、副绕组。电压互感器的特点是容量很小且比较恒定,正常运行时接近于空载状态,对电网系统稳定起重要作用。针对近年来所辖设备出现的一起故障原因进行分析,并针对性提出应对措施,可有效指导日常生产运维。

The working principle of the voltage transformer is the same as that of the transformer, and the basic structure is also iron core and primary and secondary windings. It is characterized by small capacity and relatively constant,normal operation is close to no-load state, plays an important role in the stability of power system. The author analyzes the reason of a breakdown of the equipment in recent years, and puts forward corresponding measures, which can effectively guide the daily production and maintenance.