Comparison of predictive control strategies for direct resonant high voltage DC power supply
Comparison of predictive control strategies for direct resonant high voltage DC power supply
- Author(s): E.F. Reyes ; A.J. Watson ; J.C. Clare ; P.W. Wheeler
- DOI: 10.1049/cp.2012.0198
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- Author(s): E.F. Reyes ; A.J. Watson ; J.C. Clare ; P.W. Wheeler Source: 6th IET International Conference on Power Electronics, Machines and Drives (PEMD 2012), 2012 page ()
- Conference: 6th IET International Conference on Power Electronics, Machines and Drives (PEMD 2012)
- DOI: 10.1049/cp.2012.0198
- ISBN: 978-1-84919-616-1
- Location: Bristol, UK
- Conference date: 27-29 March 2012
- Format: PDF
This paper presents a comparison between two predictive control strategies for a HVDC power supply based on a direct resonant power converter: Input Predictive Control (IPC) and Output Predictive Control (OPC). IPC regulates the input filter capacitor voltage and OPC, the tank capacitor voltage. The resonant converter corresponds to a three phase to single phase matrix converter which feeds a resonant tank (SRPL). Both predictive strategies allow soft commutations, thus, minimizing the switching losses. Previous work has analysed the effects of the control choice on an AC voltage power supply only. The main contribution of this paper is the consideration of the effect of the control choice on the input current as well HVDC quality produced by the power supply. (6 pages)
Inspec keywords: switching convertors; matrix convertors; capacitors; resonant power convertors; predictive control; HVDC power convertors; voltage control
Subjects: Power convertors and power supplies to apparatus; d.c. transmission; Control of electric power systems; Voltage control; Optimal control
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