Multilevel current source converters for high power medium voltage applications

In medium voltage high power applications, multi-level current source converters (CSCs) are good candidate to increase system power region, reliability, and the quality of output waveforms. Compared with widely researched voltage source multi-level converters (MLCs), the current source MLCs have the...

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Main Authors: Li Ding, Yujuan Lian, Yun Wei Li
Format: Article
Language:English
Published: China Electrotechnical Society 2017-09-01
Series:CES Transactions on Electrical Machines and Systems
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8086110
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author Li Ding
Yujuan Lian
Yun Wei Li
author_facet Li Ding
Yujuan Lian
Yun Wei Li
author_sort Li Ding
collection DOAJ
description In medium voltage high power applications, multi-level current source converters (CSCs) are good candidate to increase system power region, reliability, and the quality of output waveforms. Compared with widely researched voltage source multi-level converters (MLCs), the current source MLCs have the advantages of inherent short-circuit protection, high power capability and high quality of output current waveforms. The main features of MLCs include reduced harmonics, lower switching frequency and reduced current stress on each device which is a particularly important for high power application with low voltage and high current requirements. This paper conducts a general review of the current research about MLCs in higher power medium voltage application. The different types of parallel structure based MLCs and the modulation methodologies will be introduced and compared. Specifically, the circuit analysis of the common-mode (CM) loop for parallel structures will be conducted, the common-mode voltage (CMV) and circulating current suppression methods developed on the base of multilevel modulations will be addressed.
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spelling doaj.art-1e191887fbcd4bc99f9c37e8dd2bbaec2023-07-31T09:06:28ZengChina Electrotechnical SocietyCES Transactions on Electrical Machines and Systems2096-35642837-03252017-09-011330631410.23919/TEMS.2017.8086110Multilevel current source converters for high power medium voltage applicationsLi Ding0Yujuan Lian1Yun Wei Li2University of Alberta, Edmonton, AB, CanadaRockwell Automation Canada, Cambridge, ON, CanadaNanyang Technological University, SingaporeIn medium voltage high power applications, multi-level current source converters (CSCs) are good candidate to increase system power region, reliability, and the quality of output waveforms. Compared with widely researched voltage source multi-level converters (MLCs), the current source MLCs have the advantages of inherent short-circuit protection, high power capability and high quality of output current waveforms. The main features of MLCs include reduced harmonics, lower switching frequency and reduced current stress on each device which is a particularly important for high power application with low voltage and high current requirements. This paper conducts a general review of the current research about MLCs in higher power medium voltage application. The different types of parallel structure based MLCs and the modulation methodologies will be introduced and compared. Specifically, the circuit analysis of the common-mode (CM) loop for parallel structures will be conducted, the common-mode voltage (CMV) and circulating current suppression methods developed on the base of multilevel modulations will be addressed.https://ieeexplore.ieee.org/document/8086110circulating currentcommon-mode voltagecurrent source convertersmulti-level converterhigh power medium voltageparallel structure
spellingShingle Li Ding
Yujuan Lian
Yun Wei Li
Multilevel current source converters for high power medium voltage applications
CES Transactions on Electrical Machines and Systems
circulating current
common-mode voltage
current source converters
multi-level converter
high power medium voltage
parallel structure
title Multilevel current source converters for high power medium voltage applications
title_full Multilevel current source converters for high power medium voltage applications
title_fullStr Multilevel current source converters for high power medium voltage applications
title_full_unstemmed Multilevel current source converters for high power medium voltage applications
title_short Multilevel current source converters for high power medium voltage applications
title_sort multilevel current source converters for high power medium voltage applications
topic circulating current
common-mode voltage
current source converters
multi-level converter
high power medium voltage
parallel structure
url https://ieeexplore.ieee.org/document/8086110
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