DXK1限流器在330kV北郊变电站240MVA主变短路保护中的应用研究  

Application of DXK1 Current Limiter in Short Circuit Protection of 240 MVA Main Transformer in 330 kV Northern Suburb Substation

作　　者：李品德[1] 霍大渭[1] 郭安祥[1] 薛军 罗建勇 汪金星 张文星 乐琨 褚磊[3] 彭清宁[3] 

机构地区：[1]陕西电力科学研究院,陕西西安710054 [2]陕西省电力公司,陕西西安710048 [3]西安供电局．陕西西安710032

出　　处：《陕西电力》2011年第4期34-38,共5页Shanxi Electric Power

摘　　要：通过陕西电网330kV主变在短路电流作用下损坏的实例,分析了短路电流对电气设备破坏的机理,针对大型电力变压器抗短路能力不足的问题,指出传统的补救措施有一定的局限性,提出330kV北郊变电站240MVA主变短路保护的全新补救方案,并阐述了该方案的适用性,得出的结论可供电力主管部门作为相关电气设备反事故措施的参考。In the light of 330kV main transformer damage under short circuit in Shaanxi power network,the mechanism of short circuit current＇s damage upon electric equipment is analyzed.It is pointed out that the traditional compensation measures have certain limitation,the new compensation scheme of 240MVA main transformer short circuit protection in 330kV northern suburb substation,and the feasibility of scheme is demonstrated,the conclusion can be used as reference for electric power administration department when making related electric equipment countermeasure.

关 键 词：变压器 短路电流 短路电流限流开断器 电动力 限流器 

分 类 号：TM41[电气工程—电器] TM56