Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1996-09-12
1998-01-13
Krishnan, Aditya
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
H02M 112
Patent
active
057085714
ABSTRACT:
In a synchronous rectifying circuit comprising a main transformer, a primary circuit, a secondary circuit, and a control circuit, the secondary circuit includes a synchronous rectifier which comprises not only a second series circuit comprising first and second synchronous rectifying elements but also first and second impedance circuits. The first impedance circuit is inserted between an end of a secondary winding of the main transformer and a first control terminal of the first synchronous rectifying element. The second impedance circuit is inserted between another end of the secondary winding of the main transformer and a second control terminal of the second synchronous rectifying element. Each of the first and the second impedance circuits may consist of a parallel circuit comprising a resistor and a diode. Each of the first and the second impedance circuits may a capacitor. Each of the first and the second impedance circuits may consist of a capacitor and a parallel circuit comprising a resistor and a diode.
REFERENCES:
patent: 5224025 (1993-06-01), Divan et al.
Krishnan Aditya
NEC Corporation
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