Soft switched three-phase boost rectifiers and voltage source in

Details Soft switched three-phase boost rectifiers and voltage source in Soft switched three-phase boost rectifiers and voltage source in

1995-01-23

1997-05-27

Nguyen, Matthew V.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363132, H02M 75387, H02M 7217

Patent

active

056337930

ABSTRACT:
A boost rectifier is provided with an ultra high speed diode in its direct current rail to reduce diode reverse recovery loss with or without implementing a soft switching technique. Full zero-voltage-transition (ZVT) as well as zero-current-transition (ZCT) may also be achieved by adding a simple auxiliary network across the DC rail which operates only during the short turn-on transients of the bridge switches. Similarly, a simple, inexpensive auxiliary circuit can be added to the DC rail of a conventional voltage source inverter shown to implement both ZVT and ZCT.

REFERENCES:
patent: 4864483 (1989-09-01), Divan
patent: 5255175 (1993-10-01), Uchino
patent: 5291388 (1994-03-01), Heinrich
patent: 5367448 (1994-11-01), Carroll
patent: 5432695 (1995-07-01), Vlatkovic et al.

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