secondary breaker

This paper introduces the fault finding procedure of frequently and secretly trips for circuit breaker at mid-voltage side of a 110 kV substation on the following aspects: secondary circuit, harmonic effect, protective device, etc. A treatment method is also offered as a reference.

针对某110kV变电站主变中压侧开关频繁偷跳的现象，从二次回路、谐波影响、保护装置等方面介绍了故障排查过程，井给出了解决办法。

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Here's a dependable piece of equipment that's built with high insulation between sections of the secondary coil and a reliable circuit breaker.

这是一个很好的实验装置，在仪器的各部分有很好的绝缘装置及有效的断电装置。

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