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地铁直流馈线微机保护装置的研制
引用本文:张宏荃,张杭,裴军.地铁直流馈线微机保护装置的研制[J].低压电器,2009(11).
作者姓名:张宏荃  张杭  裴军
作者单位:1. 西安交通大学,电气工程学院,陕西,西安,710049
2. 大全集团技术中心,江苏,扬中,212211
摘    要:分析了牵引馈线非金属性短路电流(尤其是电弧性短路电流)和机车过断电区充电电流的变化特征。采用电流上升率作为启动元件检测的主保护判据,并针对以上变化特征提出应用电流累积和监测作为保护判据,两者结合实现地铁直流馈线保护方案;并以该保护方案为基础开发出微机保护装置。

关 键 词:直流牵引供电系统  馈线保护  电流上升率  

Research of Metro DC Microcomputer-Based Feeder Protection Device
ZHANG Hongquan,ZHANG Hang,PEI Jun.Research of Metro DC Microcomputer-Based Feeder Protection Device[J].Low Voltage Apparatus,2009(11).
Authors:ZHANG Hongquan  ZHANG Hang  PEI Jun
Affiliation:1.College of Electrical Engineering;Xi'an Jiaotong University;Xi'an 710049;China;2.Research Center;DAQO Group;Yangzhong 212211;China
Abstract:The variation characteristic of traction feeder nonmetal short current,especially arcing short current,and the charge current which locomotive crosses the power-off area were analyzed.The main protection judgement for starting component test was rise rate of current.Aiming at the above characteristic,it was proposed that current cumulative-sum monitoring was used as protection judgement.The protection scheme for metro DC feeder was implemented by combining the both.The microcomputer-based feeder protection ...
Keywords:DC traction power supply system  feeder protection  rise rate of current  
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