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Optimization of a novel DC-link current modulated interface with 3-phase utility systems to minimize line current harmonics

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3 Author(s)
Rastogi, M. ; Dept. of Electr. Eng., Minnesota Univ., Minneapolis, MN, USA ; Naik, R. ; Mohan, N.

A novel three-phase utility interface is discussed. The interface draws near-sinusoidal currents from the utility and provides a regulated DC output voltage. The performance of the system is optimized. Simulation results for a three-phase, 208 V (line-to-line), 3 kW system are presented. The sensitivity of the interface to unbalances in various system parameters is examined. Simulation results indicate that a total harmonic distortion in the line currents lower than 5% can be achieved by the interface. It is shown that there is minimal degradation of performance with changes in system parameters

Published in:

Power Electronics Specialists Conference, 1992. PESC '92 Record., 23rd Annual IEEE

Date of Conference:

29 Jun-3 Jul 1992