云广±800kV直流输电线路电磁感应的等效短路电流探讨  

Discussion on Equivalent Short-Circuit Current of Magnetic Induction for Yunnan-Guangdong ±800 kV DC Transmission Line

作　　者：赵世雄[1] 

机构地区：[1]广东省电力设计研究院,广州510663

出　　处：《南方电网技术》2010年第4期37-39,共3页Southern Power System Technology

摘　　要：以云广±800kV直流输电工程为背景,探讨直流输电线路工程通信保护设计中,求解电磁感应的等效短路电流的简便方法,所得到的结果能应用TXBH程序进行通信影响计算,并能方便地计算杆塔地电位。Yunnan-Guangdong ±800 kV DC project is taken as an example,and a simple calculation method for equivalent short-circuit current in the communication protection design for DC power transmission lines is discussed.The results can be applied to calculate communication interference effects by using the TXBH program and determine the grounding voltage rise of DC power tower easily.

关 键 词：特高压直流输电线 等效短路电流 通信影响 

分 类 号：TM721.1[电气工程—电力系统及自动化] TM744