differential protection relay

基本解释

Especially on the failure causes due to voltage differential relay protection, reason and treatment methods leading to operation failure are introduce in detail.
尤其对由于差压保护动作，导致投运失败的原因和处理方法作了详细的介绍。
The scheme includes the transverse differential protection, the directional relay action on negative sequence power of fault component and the incomplete differential protection.
该方案包括了横差保护、故障分量负序功率方向保护和不完全纵差保护的综合应用。
Differential relay is the key protection for power transformer.
差动保护是变压器的主保护。