Harmonic Quantitative Analysis for Dead-Time Effects in SPWM Inverters
Dead-time is commonly designed to avoid shoot-through phenomenon within each arm in voltage source converter. The presence of dead-time tends to cause a power quality issue. Quantitative analysis for dead-time effects is important to mitigate power quality issue. This paper presents two harmonic qua...
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doaj-bf85951673d1469ba6dbafbb9346fd9c2021-03-29T22:49:21ZengIEEEIEEE Access2169-35362019-01-017431434315210.1109/ACCESS.2019.29071768677278Harmonic Quantitative Analysis for Dead-Time Effects in SPWM InvertersNing Jiao0Shunliang Wang1https://orcid.org/0000-0003-1852-8295Tianqi Liu2Yanbo Wang3Zhe Chen4College of Electrical Engineering and Information Technology, Sichuan University, Chengdu, ChinaCollege of Electrical Engineering and Information Technology, Sichuan University, Chengdu, ChinaCollege of Electrical Engineering and Information Technology, Sichuan University, Chengdu, ChinaDepartment of Energy Technology, Aalborg University, Aalborg, DenmarkDepartment of Energy Technology, Aalborg University, Aalborg, DenmarkDead-time is commonly designed to avoid shoot-through phenomenon within each arm in voltage source converter. The presence of dead-time tends to cause a power quality issue. Quantitative analysis for dead-time effects is important to mitigate power quality issue. This paper presents two harmonic quantitative analysis methods for dead-time effects in SPWM inverters. First, the harmonic analysis method based on double Fourier series is modified to adapt any initial phase angle and calculate additional harmonics from dead-time effects. Then, a calculation method for switching angles in sinusoidal pulse width modulation (SPWM) is presented. Based on the obtained switching angles and single Fourier series, a more concise calculation method is proposed to perform quantitative analysis for the impact of dead-time on harmonics. The harmonic model is able to reveal the mechanism of harmonics generation from dead-time. Finally, the inner relationship and essential difference between double- and single-Fourier series are summarized. The simulation and experimental results show that both of the proposed quantitative analysis methods can accurately evaluate the effect of dead-time on harmonics.https://ieeexplore.ieee.org/document/8677278/Harmonicsdead-timedouble Fourier seriessingle Fourier seriesSPWM |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ning Jiao Shunliang Wang Tianqi Liu Yanbo Wang Zhe Chen |
spellingShingle |
Ning Jiao Shunliang Wang Tianqi Liu Yanbo Wang Zhe Chen Harmonic Quantitative Analysis for Dead-Time Effects in SPWM Inverters IEEE Access Harmonics dead-time double Fourier series single Fourier series SPWM |
author_facet |
Ning Jiao Shunliang Wang Tianqi Liu Yanbo Wang Zhe Chen |
author_sort |
Ning Jiao |
title |
Harmonic Quantitative Analysis for Dead-Time Effects in SPWM Inverters |
title_short |
Harmonic Quantitative Analysis for Dead-Time Effects in SPWM Inverters |
title_full |
Harmonic Quantitative Analysis for Dead-Time Effects in SPWM Inverters |
title_fullStr |
Harmonic Quantitative Analysis for Dead-Time Effects in SPWM Inverters |
title_full_unstemmed |
Harmonic Quantitative Analysis for Dead-Time Effects in SPWM Inverters |
title_sort |
harmonic quantitative analysis for dead-time effects in spwm inverters |
publisher |
IEEE |
series |
IEEE Access |
issn |
2169-3536 |
publishDate |
2019-01-01 |
description |
Dead-time is commonly designed to avoid shoot-through phenomenon within each arm in voltage source converter. The presence of dead-time tends to cause a power quality issue. Quantitative analysis for dead-time effects is important to mitigate power quality issue. This paper presents two harmonic quantitative analysis methods for dead-time effects in SPWM inverters. First, the harmonic analysis method based on double Fourier series is modified to adapt any initial phase angle and calculate additional harmonics from dead-time effects. Then, a calculation method for switching angles in sinusoidal pulse width modulation (SPWM) is presented. Based on the obtained switching angles and single Fourier series, a more concise calculation method is proposed to perform quantitative analysis for the impact of dead-time on harmonics. The harmonic model is able to reveal the mechanism of harmonics generation from dead-time. Finally, the inner relationship and essential difference between double- and single-Fourier series are summarized. The simulation and experimental results show that both of the proposed quantitative analysis methods can accurately evaluate the effect of dead-time on harmonics. |
topic |
Harmonics dead-time double Fourier series single Fourier series SPWM |
url |
https://ieeexplore.ieee.org/document/8677278/ |
work_keys_str_mv |
AT ningjiao harmonicquantitativeanalysisfordeadtimeeffectsinspwminverters AT shunliangwang harmonicquantitativeanalysisfordeadtimeeffectsinspwminverters AT tianqiliu harmonicquantitativeanalysisfordeadtimeeffectsinspwminverters AT yanbowang harmonicquantitativeanalysisfordeadtimeeffectsinspwminverters AT zhechen harmonicquantitativeanalysisfordeadtimeeffectsinspwminverters |
_version_ |
1724190841898008576 |