Comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters

Abstract Non‐isolated inverters have the disadvantage of large leakage current, which will damage the equipment and personal safety. In order to solve this problem, this paper proposes two H10 three‐phase inverter topologies named forward‐clamped and reverse‐clamped H10 inverters. Each of the topolo...

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Autores principales:	Haixiao Ma, Pengcheng Shao, Zhaixing Lan
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/df722048faba493986258f3e815106f7
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spelling	oai:doaj.org-article:df722048faba493986258f3e815106f72021-11-22T13:36:44ZComparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters1755-45431755-453510.1049/pel2.12200https://doaj.org/article/df722048faba493986258f3e815106f72021-12-01T00:00:00Zhttps://doi.org/10.1049/pel2.12200https://doaj.org/toc/1755-4535https://doaj.org/toc/1755-4543Abstract Non‐isolated inverters have the disadvantage of large leakage current, which will damage the equipment and personal safety. In order to solve this problem, this paper proposes two H10 three‐phase inverter topologies named forward‐clamped and reverse‐clamped H10 inverters. Each of the topologies is composed of two DC bus switches, a clamping circuit and a traditional three‐phase inverter, but the clamping method of these two topologies is different. A general control strategy combining carrier modulation and logic operation for these two topologies are proposed. The control strategy allows the common‐mode voltage of these two topologies to vary between one third and two thirds of the DC bus voltage, but the frequency of the common‐mode voltage of the reverse‐clamped inverter is three times that of the forward‐clamped inverter. The loop impedance of the reverse‐clamped inverter increases significantly at high frequency, so the leakage current suppression capability is better. Simulation and experiment platforms of the inverter systems are built. The obtained results verify the correctness of the theoretical analysis.Haixiao MaPengcheng ShaoZhaixing LanWileyarticleElectronicsTK7800-8360ENIET Power Electronics, Vol 14, Iss 16, Pp 2563-2573 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electronics TK7800-8360
spellingShingle	Electronics TK7800-8360 Haixiao Ma Pengcheng Shao Zhaixing Lan Comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters
description	Abstract Non‐isolated inverters have the disadvantage of large leakage current, which will damage the equipment and personal safety. In order to solve this problem, this paper proposes two H10 three‐phase inverter topologies named forward‐clamped and reverse‐clamped H10 inverters. Each of the topologies is composed of two DC bus switches, a clamping circuit and a traditional three‐phase inverter, but the clamping method of these two topologies is different. A general control strategy combining carrier modulation and logic operation for these two topologies are proposed. The control strategy allows the common‐mode voltage of these two topologies to vary between one third and two thirds of the DC bus voltage, but the frequency of the common‐mode voltage of the reverse‐clamped inverter is three times that of the forward‐clamped inverter. The loop impedance of the reverse‐clamped inverter increases significantly at high frequency, so the leakage current suppression capability is better. Simulation and experiment platforms of the inverter systems are built. The obtained results verify the correctness of the theoretical analysis.
format	article
author	Haixiao Ma Pengcheng Shao Zhaixing Lan
author_facet	Haixiao Ma Pengcheng Shao Zhaixing Lan
author_sort	Haixiao Ma
title	Comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters
title_short	Comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters
title_full	Comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters
title_fullStr	Comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters
title_full_unstemmed	Comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters
title_sort	comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped h10 three‐phase inverters
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/df722048faba493986258f3e815106f7
work_keys_str_mv	AT haixiaoma comparativeanalysisofleakagecurrentsuppressioncapabilityofforwardclampedandreverseclampedh10threephaseinverters AT pengchengshao comparativeanalysisofleakagecurrentsuppressioncapabilityofforwardclampedandreverseclampedh10threephaseinverters AT zhaixinglan comparativeanalysisofleakagecurrentsuppressioncapabilityofforwardclampedandreverseclampedh10threephaseinverters
_version_	1718417585372921856

Comparative analysis of leakage current suppression capability of forward‐clamped and reverse‐clamped H10 three‐phase inverters

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