Influence of electric traction system on power grid harmonics

2019 The 5th International Conference on Electrical Engineering, Control and Robotics

无线电电子学;计算机科学

Tan, Meng^1 ; He, Dongshan^2 ; Wen, Jun^2 ; Geng, Xiaohong^2 ; Wang, Sichao^2

State Key Laboratory of Advanced Transmission Technology, Global Energy Internet Research Institute, Beijing

102209, China^1

North China Electric Power University, School of Electrical and Electronic Engineering, Beijing

102206, China^2

关键词: Actual conditions;    Electric traction system;    Electrified railways;    Harmonic model;    Nonlinear characteristics;    Power electronic devices;    Traction power supply system;    Traction substation;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/533/1/012016/pdf
DOI  :  10.1088/1757-899X/533/1/012016

学科分类：计算机科学（综合）

来源: IOP

【 摘 要 】

This paper analyzes the traction power supply system and traction substation of electrified railway. Due to the use of a large number of power electronic devices, the electric locomotive has strong nonlinear characteristics. Focusing on harmonics, this paper studies the harmonics generated by AC-DC and AC-DC-AC electric locomotives respectively. Based on this, The mathematical model of the power supply system of electrified traction locomotive is established, and the harmonic model is established. The simulation results are in good agreement with the actual conditions.