Modelling, simulating and parameter designing for traction power system with bidirectional converter devices

Abstract The bidirectional converter device (BCD) can substitute the substation rectifier and the energy feedback system (EFS) by transforming energy between the AC side and DC side. However, the performance of the railway system with BCDs as only converters has not been fully understood. A simulati...

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Autores principales:	Jian Zhang, Wei Liu, Zhongbei Tian, Hao Zhang, Jiaxin Zeng, He Qi
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2022
Materias:	Distribution or transmission of electric power TK3001-3521 Production of electric energy or power. Powerplants. Central stations TK1001-1841
Acceso en línea:	https://doaj.org/article/cb880cfccde349b29df65915239fecf0
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spelling	oai:doaj.org-article:cb880cfccde349b29df65915239fecf02021-12-02T14:01:23ZModelling, simulating and parameter designing for traction power system with bidirectional converter devices1751-86951751-868710.1049/gtd2.12281https://doaj.org/article/cb880cfccde349b29df65915239fecf02022-01-01T00:00:00Zhttps://doi.org/10.1049/gtd2.12281https://doaj.org/toc/1751-8687https://doaj.org/toc/1751-8695Abstract The bidirectional converter device (BCD) can substitute the substation rectifier and the energy feedback system (EFS) by transforming energy between the AC side and DC side. However, the performance of the railway system with BCDs as only converters has not been fully understood. A simulation approach is required to evaluate the system performance and guide the design. In this paper, the traction power supply system considering the capacity constraint of BCDs is modelled first, and the AC/DC power calculating algorithm is studied. A three‐layer double‐loop parameter designing strategy based on the enhanced brute force is proposed, which considers the N −1 principle. In the case study, the power source model for trains and power constraint for BCDs are verified. The boundary configuration set is obtained. The capacity of BCDs is at least 7 MW, while the slope is 0 and the no‐load voltage is between 1730 and 1750 V. Finally, compared with the system with rectifiers and EFSs, the system with BCDs has better performance, which is 46.7 V less of the rail potential, 127.8 V less of network voltage fluctuation, and 735.56 kWh per hour more of the feedback energy.Jian ZhangWei LiuZhongbei TianHao ZhangJiaxin ZengHe QiWileyarticleDistribution or transmission of electric powerTK3001-3521Production of electric energy or power. Powerplants. Central stationsTK1001-1841ENIET Generation, Transmission & Distribution, Vol 16, Iss 1, Pp 110-122 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Distribution or transmission of electric power TK3001-3521 Production of electric energy or power. Powerplants. Central stations TK1001-1841
spellingShingle	Distribution or transmission of electric power TK3001-3521 Production of electric energy or power. Powerplants. Central stations TK1001-1841 Jian Zhang Wei Liu Zhongbei Tian Hao Zhang Jiaxin Zeng He Qi Modelling, simulating and parameter designing for traction power system with bidirectional converter devices
description	Abstract The bidirectional converter device (BCD) can substitute the substation rectifier and the energy feedback system (EFS) by transforming energy between the AC side and DC side. However, the performance of the railway system with BCDs as only converters has not been fully understood. A simulation approach is required to evaluate the system performance and guide the design. In this paper, the traction power supply system considering the capacity constraint of BCDs is modelled first, and the AC/DC power calculating algorithm is studied. A three‐layer double‐loop parameter designing strategy based on the enhanced brute force is proposed, which considers the N −1 principle. In the case study, the power source model for trains and power constraint for BCDs are verified. The boundary configuration set is obtained. The capacity of BCDs is at least 7 MW, while the slope is 0 and the no‐load voltage is between 1730 and 1750 V. Finally, compared with the system with rectifiers and EFSs, the system with BCDs has better performance, which is 46.7 V less of the rail potential, 127.8 V less of network voltage fluctuation, and 735.56 kWh per hour more of the feedback energy.
format	article
author	Jian Zhang Wei Liu Zhongbei Tian Hao Zhang Jiaxin Zeng He Qi
author_facet	Jian Zhang Wei Liu Zhongbei Tian Hao Zhang Jiaxin Zeng He Qi
author_sort	Jian Zhang
title	Modelling, simulating and parameter designing for traction power system with bidirectional converter devices
title_short	Modelling, simulating and parameter designing for traction power system with bidirectional converter devices
title_full	Modelling, simulating and parameter designing for traction power system with bidirectional converter devices
title_fullStr	Modelling, simulating and parameter designing for traction power system with bidirectional converter devices
title_full_unstemmed	Modelling, simulating and parameter designing for traction power system with bidirectional converter devices
title_sort	modelling, simulating and parameter designing for traction power system with bidirectional converter devices
publisher	Wiley
publishDate	2022
url	https://doaj.org/article/cb880cfccde349b29df65915239fecf0
work_keys_str_mv	AT jianzhang modellingsimulatingandparameterdesigningfortractionpowersystemwithbidirectionalconverterdevices AT weiliu modellingsimulatingandparameterdesigningfortractionpowersystemwithbidirectionalconverterdevices AT zhongbeitian modellingsimulatingandparameterdesigningfortractionpowersystemwithbidirectionalconverterdevices AT haozhang modellingsimulatingandparameterdesigningfortractionpowersystemwithbidirectionalconverterdevices AT jiaxinzeng modellingsimulatingandparameterdesigningfortractionpowersystemwithbidirectionalconverterdevices AT heqi modellingsimulatingandparameterdesigningfortractionpowersystemwithbidirectionalconverterdevices
_version_	1718392170036068352

Modelling, simulating and parameter designing for traction power system with bidirectional converter devices

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