NDLI: A Shifted SVPWM Method to Control DC-Link Resonant Inverters and Its FPGA Realization

Content Provider	IEEE Xplore Digital Library
Author	Sanbo Pan Junmin Pan Zuohua Tian
Copyright Year	1982
Abstract	A shifted space vector pulsewidth modulation (PWM) (SVPWM) method to control dc-link resonant inverters is presented in this paper. The shifted SVPWM has the same effective vectors and operation time as the traditional SVPWM in all six space sectors, while the sequences of vectors changed according to the load current flow direction. All the switches of a three-phase inverter can be turned on under the zero-voltage switching condition, and only one auxiliary resonance during one PWM switch period of the inverter is required. The aims of the method are to increase the switching frequency of the inverter, reduce the switching frequency of the dc-link resonant circuit, and improve the utility of the dc-link voltage. A set of design rules to generate the shifted SVPWM, as well as its hardware implementation, is described in detail. The synchronization circuit is also discussed. To decrease the time burden of the digital signal processor, a field-programmable gate array is employed to receive the effective vectors and the corresponding time and generates the shifted SVPWM drive signals. The simulation and experimental results have verified the feasibility of the shifted SVPWM approach.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	3383
Ending Page	3391
Page Count	9
File Size	699364
File Format	PDF
ISSN	02780046
Volume Number	59
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space vector pulse width modulation Vectors RLC circuits Zero voltage switching Resonant inverters Field programmable gate arrays zero-voltage switching (ZVS) DC link field-programmable gate array (FPGA) resonant inverter space vector pulsewidth modulation (PWM) (SVPWM) synchronization
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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