阻抗匹配平衡变压器的几种差动保护接线方式剖析

Analysis on Some Types of Differential Protective Wiring for Impedance Matching Balance Transformer

针对几种阻抗匹配平衡变压器的差动保护接线方式，进行了简要的理论分析，对照变压器继电保护的设计技术规程，指出了它们的优缺点和存在的缺陷，进行了综合性能技术指标比较。

According to some kinds of the differential protective wiring type of the impedance matching balance transformer, this paper works out the concise analysis on theory. Collating the regulation of power transformer relay protection design, their advantages and disadvantages are pointed out. By means of comparison of synthetical functions and technical indexes, the authors make conclusion that which wiring type is of applying value.