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2018 | OriginalPaper | Chapter

Transient Overvoltage Analysis of Traction Power Supply System with Neutral Sections in China High-Speed Railway Using a State-Space Model

Authors : Xiaoqin Lv, Xiaoru Wang, Jiwei Zheng

Published in: Proceedings of the 3rd International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2017

Publisher: Springer Singapore

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Abstract

This study proposes a complete state-space model of 2 × 25 kV traction power supply system with neutral sections in China high-speed railway where the catenary system is divided into several sections insulated with each other and is connected by neutral sections. First, the system is modularized by a neutral section module, a source module, autotransformer (AT) modules, series modules, and parallel modules which are represented with differential equations. Then the state-space model is built by means of slicing catenary system and combining with those modules. By calculating this proposed model, the transient processes of the electric train auto-passing trough the neutral section are analyzed. Transient overvoltages occurred due to high-frequency oscillations as the circuit topology changing in each process.

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Metadata
Title
Transient Overvoltage Analysis of Traction Power Supply System with Neutral Sections in China High-Speed Railway Using a State-Space Model
Authors
Xiaoqin Lv
Xiaoru Wang
Jiwei Zheng
Copyright Year
2018
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-10-7989-4_1

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