SIEMENS 7UT51型数字式差动保护继电器中差动保护的整定计算

Setting calculation for differential protection in SIEMENS 7UT51 digital differential protection relay

介绍SIEMENS 7UT5 1型数字式差动保护继电器中的差动保护部分的特性 ,详细分析该保护的整定计算原则 。

The character of the differential protection in SIEMENS 7UT51 digital differential protection relay is introduced in this paper. The setting calculation principle of the protection is analyzed in detail and it is used in the setting calculation of the service power system in No.2 Power Plant of Yangzhou.