NDLI: Space Vector Sequence Investigation and Synchronization Methods for Active Front-End Rectifiers in High-Power Current-Source Drives

Content Provider	IEEE Xplore Digital Library
Author	Yun Wei Li Bin Wu Xu, D. Zargari, N.R.
Copyright Year	1982
Abstract	Space vector pulsewidth modulation (PWM) schemes for the active front end of a high-power drive normally produce low-order and suborder harmonics due to the low switching frequency and the drifting of synchronization between the PWM waveform and the rectifier input frequency. To provide a synchronized PWM and achieve the best harmonic performance, different space vector sequences suitable for a current-source converter are investigated in this paper. Details on how to achieve the waveform symmetries with a minimum switching frequency for each sequence are discussed. A thorough comparison of the harmonic performance of different space vector sequences is carried out. An optimum space vector modulation method by switching between two best sequences is proposed to achieve the best line-current total harmonic distortion with reduced switching losses. In addition, two synchronization methods, namely a PWM frame regulation method and a direct digital phase-locked loop synchronization method, are proposed. Both methods are equally effective in providing tight synchronization of the PWM waveform with the rectifier input frequency. The work has been verified in simulation and experiment.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	1022
Ending Page	1034
Page Count	13
File Size	2242970
File Format	PDF
ISSN	02780046
Volume Number	55
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rectifiers Space vector pulse width modulation Frequency synchronization Pulse width modulation converters Power harmonic filters Switching frequency Phase locked loops Medium voltage Thyristors Total harmonic distortion synchronized PWM Current-source drive current-source rectifier (CSR) digital phase-locked loop (DPLL) high-power converter space vector pulsewidth modulation (SVPWM) sychronized pulse width modulation (PWM) space vector PWM (SVPWM) current source rectifier (CSR) current source drive high power converter
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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