铁路牵引负荷对电网电能质量的影响及治理

摘要

Aiming at the problem of influence of electrified railway operation on the power quality of Guyuan power grid, analyzes deep the influence factors, puts forward the method of installing static var generator(SVG)and high voltage filter capacitor (FC), solves the problems of negative sequence current, harmonic wave, reactive power and load fluctuation produced by the operation of electrified railway. The application result shows that using the method of installing SVG+FC can effectively improve the power quality of power system in the operation of electrified railway.%针对电气化铁路运行影响固原电网电能质量的问题，对其影响因素进行深入分析，提出加装静止型动态无功发生装置（Static Var Generator,SVG）及高压滤波补偿装置（Fixed Capacitor,FC）的方法，解决电气化铁路运行过程中产生负序电流、谐波、无功及负荷波动等问题。应用结果表明：利用加装SVG+FC装置的方法，明显改善了电气化铁路运行中电网系统的电能质量。