有备自投装置的低压进线断路器保护与配电变保护的配合

The Combination of Low-voltage Incoming Circuit Breaker Protection with Automatic Switching Device and Distribution Transformer Protection

石化企业内供电系统中有备自投装置的低压进线断路器保护与配电变保护的配合问题非常重要,但容易疏忽。文中举例说明了如何进行配合整定计算。

The combination of low--voltage incoming circuit breaker protection and automatic switching device and distribution transformer protection in the power supple system of petrochemical plant is very important ,but it is easily neglicted. Illustrate with examples how to combine setting calculation.