高压直流换流变一次通流试验方法的研究及应用  

Research and Application on One Time Through-Flow Test Methods of HVDC Converter Rheological

作　　者：李鹏[1] 袁宇波[1] 黄浩声[1] 张佳敏[1] 高磊[1] 

机构地区：[1]江苏省电力公司电力科学研究院,江苏南京211103

出　　处：《江苏电机工程》2012年第6期26-30,共5页Jiangsu Electrical Engineering

摘　　要：在高压直流换流变保护调试中,确定其套管电流互感器(TA)极性及其二次回路正确性是一项较困难和复杂的工作。文中结合实际工程应用,提出了采用直流和交流一次通流校验换流变套管TA二次回路的方法。在介绍互感器同名端和极性的基础上,分析了利用直流和交流一次通流检查TA二次回路的原理;给出了换流变套管TA二次回路检查的一次通流方法及其现场应用的关键问题和完整实现方案。利用政平站换流变保护改造调试,将文中的直流和交流一次通流方法应用于实际工作,检查换流变保护相关二次电流回路极性及接线等的正确性和完整性,现场启动试验的带负荷测试验证了此方案的有效性。It is a complicated and difficult job to make sure the polarity of the bushing current transformers （TA） and correctness of its secondary circuit in HVDC converter transformer protection debugging. Combined with practical engineering applications, the method that uses one time through-flow to check secondary circuit of converter transformer bushing TA with DC and AC is proposed in this paper. On the basis of the introduction about the side of the same name and polarity of transformer, the theory that uses one time through-flow to check secondary circuit of converter transformer bushing TA with DC and AC is analyzed, and the key problems and complete implementation on methods and site applications is given in this paper. Taking advantage of renovation debugging on the zhengping converter transformer protection, the method that uses one time through-flow to check secondary circuit of converter transformer bushing TA with DC and AC is applied to the practical work to check the correct and integrity of secondary current loop polarity and wiring. The effectiveness of this program is verified with starting the test with a load test in spot.

关 键 词：高压直流换流变 TA二次回路 一次通流试验 换流变保护 

分 类 号：TM77[电气工程—电力系统及自动化]