作 者: ;
机构地区: 广东电网公司
出 处: 《继电器》 2007年第S1期122-125,共4页
摘 要: 随着主变微机保护的发展,各种主变差动保护装置动作的正确性、可靠性也越来越重要,直接影响到电网的安全稳定运行。本文从影响主变差动保护的不平衡电流入手,结合不同厂家、不同型号的保护装置的处理方法,对主变差动保护二次电流平衡性问题进行分析与探讨。同时,结合实际对一些在差动保护平衡试验中需要的注意的问题进行了归纳和总结。 With the development of micro-computer-based protection in main transformers,the correctness and dependability of protection device is more and more important and influence directly security of power system.Bases on the unbalance current of differential protection and unites the methods of various company and devices,some analysis and discuss on balance differential protection of main transformers was brought forward,and combining fact some problem which need be noticed in balance test of differential prote...
领 域: [电气工程]