Space vector modulated matrix converter with minimized number of switchings and a feedforward compensation of input voltage unbalance
- Danfoss A/S, Graasten (Denmark). Transmission Div.
- Aalborg Univ. (Denmark). Inst. of Energy Technology
This paper presents a new double-sided modulation strategy for matrix converters based upon an indirect conversion scheme which models the matrix converter as two independent stages performing rectification and inversion. The new modulation strategy keeps the number of switchings at a minimum. This paper shows that the indirect conversion scheme contains insufficient information to achieve the minimum. The new strategy establishes a link between the two modulations. Numerical simulations as well as analytical results show a reduction of more than 10% of the switchings compared to the conventional strategy. It is shown that the indirect conversion scheme is quite useful in the analysis of the input voltage unbalance. A feedforward compensation method based upon measurements of the instantaneous values of all three input voltages is presented. It is shown that with a further restriction on the voltage transfer ratio it is possible to operate the converter with balanced output voltages, even when input voltages are unbalanced.
- OSTI ID:
- 474560
- Report Number(s):
- CONF-9601119-; ISBN 0-7803-2795-0; TRN: IM9723%%453
- Resource Relation:
- Conference: IEEE international conference on power electronics, drives and energy systems for industrial growth (PEDES 96). Vols I & II, New Delhi (India), 8-11 Jan 1996; Other Information: PBD: 1995; Related Information: Is Part Of 1996 international conference on power electronics, drives and energy systems for industrial growth: Proceedings. Volume 2; Murthy, S.S.; Roy, S. [eds.] [Indian Inst. of Tech., New Delhi (India)]; Divan, D. [ed.] [Univ. of Wisconsin, Madison, WI (United States)]; Doradla, S.R. [ed.] [Indian Inst. of Tech., Kanpur (India)]; Murthy, B.V. [ed.] [General Motors, Detroit, MI (United States)]; PB: 472 p.
- Country of Publication:
- United States
- Language:
- English
Similar Records
Space vector modulated three-phase to three-phase matrix converter with input power factor correction
Discrete pulse control of AC/DC/AC converters for minimizing reactive elements