Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Patent
1991-10-16
1993-01-12
Beha, Jr., William H.
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
323222, 363131, H02M 7537
Patent
active
051795116
ABSTRACT:
A self-regulating Class E/resonant power converter includes a power switching device which is gated on at each transition between negative and positive half cycles of the load current by drive signals generated by a drive circuit, the rate at which the drive signals are generated being controlled by a zero crossing detector which monitors the load current and adjusts the frequency of the drive signals in correspondence with changes in the time between successive negative-to-positive zero crossings of the load current such that the power switching device continues to be switched on at substantially zero voltge, zero slope conditions to maintain the power converter operating at the optimal Class E frequency.
REFERENCES:
patent: 3919656 (1975-11-01), Sokal et al.
patent: 4535399 (1985-08-01), Szepesi
patent: 4607323 (1986-08-01), Sokal et al.
patent: 4891746 (1990-01-01), Bowman et al.
Schwan Martin A. K.
Troyk Philip R.
Beha Jr. William H.
Illinois Institute of Technology
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