Power Quality Assessment for Indian Railway Traction A Case study

2018 International Conference on Recent Trends in Electrical, Control and Communication (RTECC) Pub Date : 2018-03-01 DOI:10.1109/RTECC.2018.8625633

A. Amsaveni, C. Sharmeela, V. Jeyalakshmi, S. Prakash

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Abstract

Harmonics is the one of the major Power Quality (PQ) problems in power systems majorly due to the use of non-linear characteristics of the equipments. Power electronics based converters are the main cause for non-linear waveform in power system. Secondary distribution systems are mainly affected because of higher proliferation of power electronics based loads. Compare to transmission system, distribution systems are highly affected due to harmonics. Electric traction is used to power the electric locomotive system for movement of the train. Traction uses the power electronic based components for controlling the speed of electric locomotive system. However the non-linear current characteristics injected from the traction power converters impacts the power quality in transmission system. The power quality measurements are carried to find the harmonic current injection by traction power converters in Avadi and Thondayarpet substation in Chennai, Tamilnadu and probable solution techniques for mitigating the harmonics.

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印度铁路牵引系统电能质量评估案例研究

谐波是电力系统中主要的电能质量问题之一，主要是由于电力系统设备的非线性特性所导致的。电力电子变换器是电力系统中产生非线性波形的主要原因。二次配电系统受到影响的主要原因是基于电力电子负载的高扩散。与输电系统相比，配电系统受谐波的影响较大。电力牵引是用来给电力机车系统提供动力，使列车运行。牵引系统采用电力电子元件控制电力机车系统的速度。然而，牵引变流器注入的非线性电流特性影响了输电系统的电能质量。对泰米尔纳德邦金奈的阿瓦迪和桑达亚帕特变电站牵引变流器注入的谐波电流进行了电能质量测量，并提出了缓解谐波的可行方法。

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2018 International Conference on Recent Trends in Electrical, Control and Communication (RTECC)

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