摘要
目前重载铁路运行的电力机车主要为韶山系列及和谐系列机车,无论是何种系列的机车,均采用大功率电力电子技术进行电能变换,由此不可避免地会对电网造成影响,其运行造成的谐波问题对公共电网的高效、安全运行造成极大的挑战。为此本文分析了我国现有重载铁路中主力电力机车主电路工作原理,通过搭建仿真模型分析得出了韶山型电力机车及和谐型电力机车谐波产生的机理及特性。为了验证理论分析的正确性,采用现场实测数据的方式,确认了重载铁路牵引供电系统中存在的谐波污染问题,并验证了理论分析的正确性。最后根据现场测试数据及理论分析结果,有针对性地制定了重载铁路牵引供电系统的谐波治理方案,采用有源-无源结合的方式消除由于电力机车运行对电力系统的影响。
At present,the electric locomotive running presently is mainly both Shaoshan and Harmony series locomotives which,for any series of locomotives,adopt high power electric and electronic technology for energy transformation.This will unavoidably affect the power grid and the harmonic issue during the running causes great challenge to the high efficient and safe operation of the public grid.Therefore,the operating principle of main circuit of electric locomotive in the heavy railway in China is analyzed,and the generated mechanism and feature of the harmonic of Shaoshan and Harmony electric locomotive is obtained through analysis of set simulation model.For verifying the correctness of theoretical analysis,the actual measurement at site is adopted to confirm the harmonic pollution problem which exists in the traction power supply system of heavy railway and the correctness of the theoretical analysis is verified.Finally,the harmonic control scheme of the traction power supply system of heavy railway is formulated specifically and the combination of active-reactive mode is adopted to eliminate the influence of operation of the electric locomotive on the power system in accordance with site measurement data and the theoretical analysis result.
作者
李艳军
朱宁辉
蒋文琦
王寅
姜鹏
LI Yanjun;ZHU Ninghui;JIANG Wenqi;WANG Yin;JIANG Peng(Nari Group(State Grid Electric Power Research Institute Co.,Ltd),Nanjing,211106,China;CLP Power Puri Technology Co.,Ltd.,Beijing 102200,China;Guangxi Branch of China Southern Airlines Co.,Ltd.,Nanning 530048,China)
出处
《电力电容器与无功补偿》
北大核心
2019年第6期123-129,共7页
Power Capacitor & Reactive Power Compensation
关键词
牵引供电系统
电流谐波
有源滤波
LCL滤波
traction power supply system
current harmonics
active filtering
LCL filtering
