一起电能质量干扰导致的保护误动事件及应对

摘要

The rectification method, implementation effect of the method and causes of an actual malfunction tripping of a microprocessor-based protection signal transducer at a sub-station are analyzed. The mechanism of malfunction caused by a voltage-source disturbance is described and prevention measures are discussed.%就一起实际发生的微机型保护信号传送装置误动事故，对其整改方法、效果、误动原因进行了分析。阐述了一类电压源型干扰导致误动的机理，并讨论了防治方法。