摘要
首先从电气化铁路接触网的供电方式、牵引变压器的接线型式、电力机车的用电特性、无功补偿的方式等几个方面叙述了电气化铁路的用电特征。然后分析了电铁产生的谐波、负序、负荷波动的特点,及其对电网的电容器、继电保护、电能计量等的影响。并就减少电铁谐波、负序,减轻电铁对继电保护、电能计量的影响提出一些治理措施。最后从电力部门角度,提出针对电铁污染所应采取的一系列对策。
Electrification railway's characteristics about traction transformer's connecting formation,engine's electric feature,and reactive power compensation are firstly introduced. Secondly the features and effects on power system of harmonics and negative-sequence current are analyzed,including load wave generated by electrification railway,which would be harmful to capacitor,relay protection and electric power metering. The measures to reduce these effects are provided. In the end, a series of ways to deal with electrification railway's harm are suggested to the electricity sector.
出处
《江苏电机工程》
2005年第3期8-11,共4页
Jiangsu Electrical Engineering
关键词
电气化铁路
谐波
负序
继电保护
电能计量
electrification railway
harmonics
negative sequence
relay protection
electric power metering
