The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
A Method for Detecting Fundamental Positive and Negative Sequence Currents in Traction Power Grid
Author(s): 
Pages: 89-94
Year: Issue:  7
Journal: Proceedings of the Chinese Society of Universities

Keyword:  current detectingfundamental negative sequence currentsfundamental positive sequence currentstraction power gridequivalent conductanceScott transformer;
Abstract: 为了有效检测出电气化铁路供电臂中正负序电流分量,提出了一种基于FBD(Fryze-Buchholz-Depenbrock)原理的电流实时检测新方法.以Scott变压器牵引供电系统为研究对象,分析了变压器原副边正负电流之间的关系.在此基础上,通过锁相环产生并构造基波正负序参考电压;利用构造的参考电压和两相电流求出对应的等效电导;再由等效电导提取供电臂中基波正负序电流及其他分量.克服了传统方法只能检测出有功、无功和谐波电流的局限性,且计算过程简单,检测电流实时有效.仿真结果验证了该方法的正确性.
Related Articles
No related articles found