启备变高低压侧相间保护整定配合分析

Analysis on Setting Coordination of Phase Protection at High and Low Voltage Sides for Startup Transformer

针对某厂启备变保护高低压侧相间保护整定配合出现的问题进行了细致分析,介绍了某厂启备变保护高低压侧相间保护的整定计算,并提出了解决方案。

The setting calculation of the phase protection for high and low voltage sides of the high voltage standby transformer is introduced. The problem of setting coordination of the phase protection of the high and low voltage sides of the high voltage standby transformer is analyzed. The problems are directly threatened by the safe and stable operation of the equipment. Therefore,a solution to the problem is proposed.