A New Active Zero State PWM for Six-Phase Inverter

Jae Hyuk Baik; Sang Won Yun; Ji Yoon Yoo

A New Active Zero State PWM for Six-Phase Inverter

Jae Hyuk Baik, Sang Won Yun, Ji Yoon Yoo

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper presents a new active zero state pulse width modulation (AZSPWM) that improves the performance of both switching and common-mode voltage (CMV) of six-phase drives. The new AZSPWM applies two opposite large voltage vectors instead of zero voltage vectors for synthesizing the reference voltage vector. Compared with conventional space vector PWM (CSVPWM), the switching patterns of the new AZSPWM present a symmetrical waveform, halving the switching frequency and reducing the total switching dramatically. The simultaneous switchings are also eliminated and the CMV is reduced by 1/3 in full modulation index. Simulation results show that the new AZSPWM slightly increases \alpha-\beta, and x-y current distortions, but these distortions rapidly decrease as modulation index increases.

Original language	English
Title of host publication	ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	933-938
Number of pages	6
ISBN (Electronic)	9788957083130
Publication status	Published - 2019 May
Event	10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia - Busan, Korea, Republic of Duration: 2019 May 27 → 2019 May 30

Publication series

Name	ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia

Conference

Conference	10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia
Country	Korea, Republic of
City	Busan
Period	19/5/27 → 19/5/30

Keywords

Active zero state PWM (AZSPWM)
Common-mode voltage (CMV)
Reduced common-mode voltage PWM (RCMV-PWM)
Six-phase inverter

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering
Control and Optimization

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Cite this

A New Active Zero State PWM for Six-Phase Inverter. / Baik, Jae Hyuk; Yun, Sang Won; Yoo, Ji Yoon.

ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 2019. p. 933-938 8797257 (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Baik, JH, Yun, SW & Yoo, JY 2019, A New Active Zero State PWM for Six-Phase Inverter. in ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia., 8797257, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia, Institute of Electrical and Electronics Engineers Inc., pp. 933-938, 10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia, Busan, Korea, Republic of, 19/5/27.

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abstract = "This paper presents a new active zero state pulse width modulation (AZSPWM) that improves the performance of both switching and common-mode voltage (CMV) of six-phase drives. The new AZSPWM applies two opposite large voltage vectors instead of zero voltage vectors for synthesizing the reference voltage vector. Compared with conventional space vector PWM (CSVPWM), the switching patterns of the new AZSPWM present a symmetrical waveform, halving the switching frequency and reducing the total switching dramatically. The simultaneous switchings are also eliminated and the CMV is reduced by 1/3 in full modulation index. Simulation results show that the new AZSPWM slightly increases \alpha-\beta, and x-y current distortions, but these distortions rapidly decrease as modulation index increases.",

keywords = "Active zero state PWM (AZSPWM), Common-mode voltage (CMV), Reduced common-mode voltage PWM (RCMV-PWM), Six-phase inverter",

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N2 - This paper presents a new active zero state pulse width modulation (AZSPWM) that improves the performance of both switching and common-mode voltage (CMV) of six-phase drives. The new AZSPWM applies two opposite large voltage vectors instead of zero voltage vectors for synthesizing the reference voltage vector. Compared with conventional space vector PWM (CSVPWM), the switching patterns of the new AZSPWM present a symmetrical waveform, halving the switching frequency and reducing the total switching dramatically. The simultaneous switchings are also eliminated and the CMV is reduced by 1/3 in full modulation index. Simulation results show that the new AZSPWM slightly increases \alpha-\beta, and x-y current distortions, but these distortions rapidly decrease as modulation index increases.

AB - This paper presents a new active zero state pulse width modulation (AZSPWM) that improves the performance of both switching and common-mode voltage (CMV) of six-phase drives. The new AZSPWM applies two opposite large voltage vectors instead of zero voltage vectors for synthesizing the reference voltage vector. Compared with conventional space vector PWM (CSVPWM), the switching patterns of the new AZSPWM present a symmetrical waveform, halving the switching frequency and reducing the total switching dramatically. The simultaneous switchings are also eliminated and the CMV is reduced by 1/3 in full modulation index. Simulation results show that the new AZSPWM slightly increases \alpha-\beta, and x-y current distortions, but these distortions rapidly decrease as modulation index increases.

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