NDLI: Hybrid PWM for High-Power Current-Source-Inverter-Fed Drives With Low Switching Frequency

Content Provider	IEEE Xplore Digital Library
Author	Zheng Wang Bin Wu Dewei Xu Zargari, N.
Copyright Year	1986
Abstract	In this paper, a hybrid pulsewidth modulation (PWM) scheme is proposed to suppress the LC resonance for the high-power current-source inverter (CSI) fed drives with low switching frequency. In CSI drive systems, the selective harmonic elimination (SHE) is selected due to the better performance of harmonics, but the LC resonance cannot be effectively damped due to the lack of control flexibility of SHE. In this paper, SHE is only used for the steady-state operation. The modulation scheme is then switched to space vector modulation with dynamic capacitor voltage control when the transient event occurs. The smoothed transitions between different modulation schemes are proposed. The proposed hybrid method effectively solves the resonant issues in CSI drives, while maintaining the power quality. Both simulation and experiments verify the performance of the proposed hybrid PWM scheme.
Sponsorship	IEEE Power Electronics Society
Starting Page	1754
Ending Page	1764
Page Count	11
File Size	2342034
File Format	PDF
ISSN	08858993
Volume Number	26
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Harmonic analysis Support vector machines Power harmonic filters Switching frequency Switches Modulation Capacitors selective harmonic elimination (SHE) Current source inverter (CSI) hybrid PWM LC resonance
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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