Design of a novel traction converter for electric locomotive

In view of problems of complex structure of main circuit and limited power and voltage existed in traditional traction system of AC-DC-AC electric locomotive, a traction converter for electric locomotive with single-phase AC input and three-phase AC output was designed based on structure of modular...

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Main Authors: ZHANG Hongtao, NIU Xiaowei
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2017-06-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2017.06.014
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author ZHANG Hongtao
NIU Xiaowei
author_facet ZHANG Hongtao
NIU Xiaowei
author_sort ZHANG Hongtao
collection DOAJ
description In view of problems of complex structure of main circuit and limited power and voltage existed in traditional traction system of AC-DC-AC electric locomotive, a traction converter for electric locomotive with single-phase AC input and three-phase AC output was designed based on structure of modular multilevel converter using full bridge sub-module. The traction converter can drive traction motor directly, so as to eliminate vehicle-mounted step-down transformer and reduce complexity of traction system of electric locomotive. A constant AC voltage control strategy in outer loop and direct current control strategy in inner loop was proposed according to mathematic model of the converter established in two-phase synchronous rotating dq coordinate system. The simulation results verify validity of the converter and the control strategies.
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spelling doaj.art-8760cae0fc47427db4715901cc1c39512023-03-17T01:41:33ZzhoEditorial Department of Industry and Mine AutomationGong-kuang zidonghua1671-251X2017-06-01436606410.13272/j.issn.1671-251x.2017.06.014Design of a novel traction converter for electric locomotiveZHANG HongtaoNIU XiaoweiIn view of problems of complex structure of main circuit and limited power and voltage existed in traditional traction system of AC-DC-AC electric locomotive, a traction converter for electric locomotive with single-phase AC input and three-phase AC output was designed based on structure of modular multilevel converter using full bridge sub-module. The traction converter can drive traction motor directly, so as to eliminate vehicle-mounted step-down transformer and reduce complexity of traction system of electric locomotive. A constant AC voltage control strategy in outer loop and direct current control strategy in inner loop was proposed according to mathematic model of the converter established in two-phase synchronous rotating dq coordinate system. The simulation results verify validity of the converter and the control strategies.http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2017.06.014ac-dc-ac electric locomotiveelectric locomotive tractiontraction convertermodular multilevel converterfull bridge sub-moduledirect current control
spellingShingle ZHANG Hongtao
NIU Xiaowei
Design of a novel traction converter for electric locomotive
Gong-kuang zidonghua
ac-dc-ac electric locomotive
electric locomotive traction
traction converter
modular multilevel converter
full bridge sub-module
direct current control
title Design of a novel traction converter for electric locomotive
title_full Design of a novel traction converter for electric locomotive
title_fullStr Design of a novel traction converter for electric locomotive
title_full_unstemmed Design of a novel traction converter for electric locomotive
title_short Design of a novel traction converter for electric locomotive
title_sort design of a novel traction converter for electric locomotive
topic ac-dc-ac electric locomotive
electric locomotive traction
traction converter
modular multilevel converter
full bridge sub-module
direct current control
url http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2017.06.014
work_keys_str_mv AT zhanghongtao designofanoveltractionconverterforelectriclocomotive
AT niuxiaowei designofanoveltractionconverterforelectriclocomotive