Wide input voltage range power supply with auto-transformers and

Details Wide input voltage range power supply with auto-transformers and Wide input voltage range power supply with auto-transformers and

1996-03-28

1997-10-07

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 97, 363131, H02M 7537

Patent

active

056754841

ABSTRACT:
N-channel enhancement type switching transistors complementarily turn on and off in response to pulse signals complementary to each other so as to cause two auto-transformers to alternately supply secondary potentials to primary electrodes of a piezoelectric transformer, and the piezoelectric transformer supplies an alternating current signal to a load; the primary winding portion of each auto-transformer is dually used in the accumulation of current energy and the resonating phenomenon for generating the secondary potential, and, for this reason, the auto-transformers make the driving circuit for the load compact.

REFERENCES:
patent: 3736446 (1973-05-01), Berlincourt
patent: 5424935 (1995-06-01), Wu
patent: 5548189 (1996-08-01), Williams

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