Rectifier with alternative path for freewheeling current

Details Rectifier with alternative path for freewheeling current Rectifier with alternative path for freewheeling current

1998-06-02

1999-08-03

Wong, Peter S.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 34, H02M 706

Patent

active

059333421

ABSTRACT:
A rectification circuit comprises a diode full-wave bridge rectifier, a freewheeling current path and a blocking diode coupled between the rectifier and the freewheeling current path to cause freewheeling current of the bridge rectifier to at least partially flow through the freewheeling current path instead of through the diodes of the bridge rectifier. A result is reduced "reverse recovery" power dissipation in the rectifier diodes.

REFERENCES:
patent: 4271462 (1981-06-01), Peters
patent: 4412278 (1983-10-01), Cambier et al.
patent: 4805082 (1989-02-01), Heinrich et al.
patent: 5329439 (1994-07-01), Borojevic et al.
patent: 5331534 (1994-07-01), Suzuki et al.
patent: 5345164 (1994-09-01), Lesea
patent: 5535085 (1996-07-01), Tanaka et al.
patent: 5684683 (1997-11-01), Divan et al.
patent: 5764496 (1998-06-01), Sato et al.

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