Modified unipolar carrier-based PWM strategy for three-level neutral-point-clamped voltage source inverters
This paper presents a simple modified unipolar carrier-based pulsewidth modulation (CBPWM) strategy for the three-level neutral-point-clamped (NPC) voltage source inverter (VSI). Analytical expressions for the relationship between modulation reference signals and output voltages are derived. The pro...
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th-cmuir.6653943832-535032018-09-04T09:50:30Z Modified unipolar carrier-based PWM strategy for three-level neutral-point-clamped voltage source inverters Watcharin Srirattanawichaikul Suttichai Premrudeepreechacharn Yuttana Kumsuwan Engineering This paper presents a simple modified unipolar carrier-based pulsewidth modulation (CBPWM) strategy for the three-level neutral-point-clamped (NPC) voltage source inverter (VSI). Analytical expressions for the relationship between modulation reference signals and output voltages are derived. The proposed modulation technique for the three-level NPC VSI includes the maximum and minimum of the three-phase sinusoidal reference voltages with zero-sequence voltage injection concept. The proposed modified CB-PWM strategy incorporates a novel method that requires only of one triangular carrier wave for generate the gating pulses in three-level NPC VSI. It has the advantages of being simplifying the algorithm with no need of complex two/multi-carrier pulsewidth modulation or space vector modulation (SVM) and it's also simple to implement. The possibility of the proposed CB-PWM technique has been verified though computer simulation and experimental results. 2018-09-04T09:50:30Z 2018-09-04T09:50:30Z 2014-03-01 Journal 19750102 2-s2.0-84896847512 10.5370/JEET.2014.9.2.489 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84896847512&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/53503 |
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Engineering Watcharin Srirattanawichaikul Suttichai Premrudeepreechacharn Yuttana Kumsuwan Modified unipolar carrier-based PWM strategy for three-level neutral-point-clamped voltage source inverters |
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This paper presents a simple modified unipolar carrier-based pulsewidth modulation (CBPWM) strategy for the three-level neutral-point-clamped (NPC) voltage source inverter (VSI). Analytical expressions for the relationship between modulation reference signals and output voltages are derived. The proposed modulation technique for the three-level NPC VSI includes the maximum and minimum of the three-phase sinusoidal reference voltages with zero-sequence voltage injection concept. The proposed modified CB-PWM strategy incorporates a novel method that requires only of one triangular carrier wave for generate the gating pulses in three-level NPC VSI. It has the advantages of being simplifying the algorithm with no need of complex two/multi-carrier pulsewidth modulation or space vector modulation (SVM) and it's also simple to implement. The possibility of the proposed CB-PWM technique has been verified though computer simulation and experimental results. |
format |
Journal |
author |
Watcharin Srirattanawichaikul Suttichai Premrudeepreechacharn Yuttana Kumsuwan |
author_facet |
Watcharin Srirattanawichaikul Suttichai Premrudeepreechacharn Yuttana Kumsuwan |
author_sort |
Watcharin Srirattanawichaikul |
title |
Modified unipolar carrier-based PWM strategy for three-level neutral-point-clamped voltage source inverters |
title_short |
Modified unipolar carrier-based PWM strategy for three-level neutral-point-clamped voltage source inverters |
title_full |
Modified unipolar carrier-based PWM strategy for three-level neutral-point-clamped voltage source inverters |
title_fullStr |
Modified unipolar carrier-based PWM strategy for three-level neutral-point-clamped voltage source inverters |
title_full_unstemmed |
Modified unipolar carrier-based PWM strategy for three-level neutral-point-clamped voltage source inverters |
title_sort |
modified unipolar carrier-based pwm strategy for three-level neutral-point-clamped voltage source inverters |
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2018 |
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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84896847512&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/53503 |
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