H8 inverter for common-mode voltage reduction in electric drives

Luca Concari; Davide Barater; Giampaolo Buticchi; Carlo Concari; Marco Liserre

doi:10.1109/TIA.2016.2581763

H8 inverter for common-mode voltage reduction in electric drives

Luca Concari, Davide Barater, Giampaolo Buticchi, Carlo Concari, Marco Liserre

Research output: Journal Publication › Article › peer-review

63 Citations (Scopus)

Abstract

This paper presents a modified two-level three-phase inverter for the reduction of the leakage current. With respect to a traditional two-level inverter, the proposed solution reduces the common-mode voltage (CMV), both in amplitude and frequency. Between the dc source and the traditional three-phase bridge, two active dc-decoupling devices and a voltage-clamping network have been added. A dedicated control strategy was developed adopting a modified space vector pulse-width modulation, oriented to the reduction of the CMV. Simulations showing the good performance of the solution are presented. A preliminary prototype was developed and experimental results are presented.

Original language	English
Article number	7493639
Pages (from-to)	4010-4019
Number of pages	10
Journal	IEEE Transactions on Industry Applications
Volume	52
Issue number	5
DOIs	https://doi.org/10.1109/TIA.2016.2581763
Publication status	Published - 1 Sept 2016
Externally published	Yes

Keywords

Common-mode voltage (CMV)
H8
drives
inverters
leakage currents
pulse-width modulation (PWM)
space vector (SV)
three-phase

ASJC Scopus subject areas

Control and Systems Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/TIA.2016.2581763

Cite this

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title = "H8 inverter for common-mode voltage reduction in electric drives",

abstract = "This paper presents a modified two-level three-phase inverter for the reduction of the leakage current. With respect to a traditional two-level inverter, the proposed solution reduces the common-mode voltage (CMV), both in amplitude and frequency. Between the dc source and the traditional three-phase bridge, two active dc-decoupling devices and a voltage-clamping network have been added. A dedicated control strategy was developed adopting a modified space vector pulse-width modulation, oriented to the reduction of the CMV. Simulations showing the good performance of the solution are presented. A preliminary prototype was developed and experimental results are presented.",

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AU - Concari, Luca

AU - Barater, Davide

AU - Buticchi, Giampaolo

AU - Concari, Carlo

AU - Liserre, Marco

PY - 2016/9/1

Y1 - 2016/9/1

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AB - This paper presents a modified two-level three-phase inverter for the reduction of the leakage current. With respect to a traditional two-level inverter, the proposed solution reduces the common-mode voltage (CMV), both in amplitude and frequency. Between the dc source and the traditional three-phase bridge, two active dc-decoupling devices and a voltage-clamping network have been added. A dedicated control strategy was developed adopting a modified space vector pulse-width modulation, oriented to the reduction of the CMV. Simulations showing the good performance of the solution are presented. A preliminary prototype was developed and experimental results are presented.

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KW - drives

KW - inverters

KW - leakage currents

KW - pulse-width modulation (PWM)

KW - space vector (SV)

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H8 inverter for common-mode voltage reduction in electric drives

Abstract

Keywords

ASJC Scopus subject areas

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