Research on the High Speed Pantograph-catenary System’s Harmonic Analysis Method

REN Zhiling; WANG Yue

doi:10.13296/j.1001-1609.hva.2017.07.012

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Research on the High Speed Pantograph-catenary System’s Harmonic Analysis Method

更新时间：2025-04-26

- Research on the High Speed Pantograph-catenary System’s Harmonic Analysis Method
- High VoltageApparatus Vol. 53, Issue 7, Pages: 73-79(2017)
- 作者机构：
  
  辽宁工程技术大学电气与控制工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.07.012
  CLC： U223.63
- Published：2017
- 稿件说明：
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[1]任志玲,王月.高速铁路弓网系统谐波分析方法的研究[J].高压电器,2017,53(07):73-79.

REN Zhiling, WANG Yue. Research on the High Speed Pantograph-catenary System’s Harmonic Analysis Method[J]. High voltageapparatus, 2017, 53(7): 73-79.
[1]任志玲,王月.高速铁路弓网系统谐波分析方法的研究[J].高压电器,2017,53(07):73-79. DOI： 10.13296/j.1001-1609.hva.2017.07.012.

REN Zhiling, WANG Yue. Research on the High Speed Pantograph-catenary System’s Harmonic Analysis Method[J]. High voltageapparatus, 2017, 53(7): 73-79. DOI： 10.13296/j.1001-1609.hva.2017.07.012.

摘要

离线电弧是弓网谐波的主要来源

并且其发生是随机的

因此要求弓网谐波方法具有高度的自适应能力。针对弓网系统电磁谐波干扰成分提取分析的问题

文中提出了一种基于NGA-MP的原子分解方法。首先

通过弓网系统模拟实验获取电压信号

利用NGA-MP原子分解法对电压信号进行原子匹配

提取出谐波、间谐波以及脉冲干扰分量;然后

通过信号重构以及频谱方法

验证了NGA-MP原子分解法的精确性;最后

通过对不同工况下电压信号的原子匹配分析

得出随着速度越大

信号中谐波成分越丰富的结论

并对原因进行了相应的理论分析。实验分析表明:基于NGA-MP的原子分解法具有自适应能力强、精确性高以及运算速度快等优势。

Abstract

As the main source of the pantograph-catenary system’s harmonic

off-line arc is random. It is required that the pantograph-catenary harmonic analysis method has a high degree of adaptive capacity. Aimed at solving the problem of the extraction of pantograph-catenary system’s electromagnetic harmonic interference component

a method of the atomic decomposition based on NGA-MP is presented. Firstly

the pantograph system is simulated by the experiment machine

the pantograph’s voltage is obtained

and the harmonic

the inter harmonic and the pulse interference components of voltage are extracted by the atomic matching. Then

the accuracy of the atomic decomposition based on NGA-MP is verified by the signal reconstruction and the spectrum method. Finally

the voltage signal that is obtained by different working conditions is decomposed by atomic matching

and the conclusion is the higher speed

the more abundant harmonic components

and the reason is analysed theoretically. Experimental results also show that the method of the atomic decomposition based on NGA-MP has the advantages of strong adaptability

high accuracy and fast calculation speed.

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