Current sensing circuit for use with decoupled half bridge conve

Details Current sensing circuit for use with decoupled half bridge conve Current sensing circuit for use with decoupled half bridge conve

1988-01-06

1988-08-02

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323358, 323361, 363 17, 363126, H02M 75387

Patent

active

047617276

ABSTRACT:
A high power half bridge converter which uses FETs. Each of the FETs has its own power transformer. This results in a decoupled series half bridge configuration which minimizes the generation of undesirable spurious r.f. signals. Current sensing circuits for use with the decoupled series half bridge configuration are also disclosed. Each current sensing circuit uses cascaded current sensing transformers each of which has an associated circuit for resetting the transformer. In this manner a sample of the resonant current is obtained which is identical to the original except for being reduced in amplitude and d-c level.

REFERENCES:
patent: 3573597 (1971-04-01), Genoit et al.
patent: 3714545 (1973-01-01), Chiffert
patent: 3733538 (1973-05-01), Kernick et al.
patent: 3816810 (1974-06-01), Friedman et al.
patent: 4586119 (1986-04-01), Sutton
patent: 4648017 (1987-03-01), Nerone
patent: 4685039 (1987-08-01), Inou et al.
patent: 4691273 (1987-09-01), Kunata et al.

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