不同原理构成的主变差动保护技术特性比较分析

Analysis and comparison of the characteristics of the differential protections for main transformers in different principles

就传统的不同原理构成的主变差动保护技术特性作了比较分析 ,对各种保护的具体应用作了简单说明 ,并就变压器微机型差动保护与传统保护的技术特点及发展作了扼要介绍。

The characteristics of the differential protections for main transformers in different principles are analyzed and compared in this paper. The detailed applications of different kinds of protections are described briefly and some technical features and development of microprocessor based differential protection for transformers are introduced as well.