A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM Voltage-Source Inverters

This paper presents a new vector-based hysteresis current controller (HCC) for three-phase pulsewidth modulation (PWM) voltage-source inverters (VSI). The HCC is intrinsically robust to the load parameters variations, exhibits very fast transient performance, and is suitable for simple implementatio...

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Main Authors: Mohseni, Mansour, Islam, Syed
Format: Journal Article
Published: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC 2010
Online Access:http://hdl.handle.net/20.500.11937/17072
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author Mohseni, Mansour
Islam, Syed
author_facet Mohseni, Mansour
Islam, Syed
author_sort Mohseni, Mansour
building Curtin Institutional Repository
collection Online Access
description This paper presents a new vector-based hysteresis current controller (HCC) for three-phase pulsewidth modulation (PWM) voltage-source inverters (VSI). The HCC is intrinsically robust to the load parameters variations, exhibits very fast transient performance, and is suitable for simple implementations. Despite these advantages, the conventional HCC has a major drawback when applied to the three-phase PWM-VSI: interphases dependency leads to very high-switching frequencies in the inverter. This paper starts with a review on the vector-based HCCs reported in the literature to address this problem. Then, a new vector-based method is proposed using multilevel hysteresis comparators integrated with a switching table. The proposed method works with the inverter current vector represented in the stationary α- β frame and produces a coordinated switching pattern. The current error is kept inside a square tolerance region without significant increase in the complexity of the hardware implementation. Simulation results show that the proposed vector-based method can retain the advantages of the conventional HCC. However, the steady-state performance of the proposed current regulator is significantly improved by reducing the switching frequency and minimizing oscillations of the inverter current vector. The proposed current controller is finally compared with other reported vector-based methods and its advantages are illustrated.
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spelling curtin-20.500.11937-170722017-09-13T15:44:15Z A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM Voltage-Source Inverters Mohseni, Mansour Islam, Syed This paper presents a new vector-based hysteresis current controller (HCC) for three-phase pulsewidth modulation (PWM) voltage-source inverters (VSI). The HCC is intrinsically robust to the load parameters variations, exhibits very fast transient performance, and is suitable for simple implementations. Despite these advantages, the conventional HCC has a major drawback when applied to the three-phase PWM-VSI: interphases dependency leads to very high-switching frequencies in the inverter. This paper starts with a review on the vector-based HCCs reported in the literature to address this problem. Then, a new vector-based method is proposed using multilevel hysteresis comparators integrated with a switching table. The proposed method works with the inverter current vector represented in the stationary α- β frame and produces a coordinated switching pattern. The current error is kept inside a square tolerance region without significant increase in the complexity of the hardware implementation. Simulation results show that the proposed vector-based method can retain the advantages of the conventional HCC. However, the steady-state performance of the proposed current regulator is significantly improved by reducing the switching frequency and minimizing oscillations of the inverter current vector. The proposed current controller is finally compared with other reported vector-based methods and its advantages are illustrated. 2010 Journal Article http://hdl.handle.net/20.500.11937/17072 10.1109/TPEL.2010.2047270 IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC restricted
spellingShingle Mohseni, Mansour
Islam, Syed
A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM Voltage-Source Inverters
title A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM Voltage-Source Inverters
title_full A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM Voltage-Source Inverters
title_fullStr A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM Voltage-Source Inverters
title_full_unstemmed A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM Voltage-Source Inverters
title_short A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM Voltage-Source Inverters
title_sort new vector-based hysteresis current control scheme for three-phase pwm voltage-source inverters
url http://hdl.handle.net/20.500.11937/17072