Transformerless power inverter with only one type transistors

Details Transformerless power inverter with only one type transistors Transformerless power inverter with only one type transistors

1980-03-10

1985-08-06

Wong, Peter S.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 98, H02M 7537

Patent

active

045339899

ABSTRACT:
A full transistor bridge power inverter employs a single untapped DC power supply and no transformer, and includes four power bridge NPN transistors and a simple two NPN transistor commutating circuit. The two commutating transistors are driven from a source providing two square wave signals 180.degree. out of phase with each other. This inverter is capable of driving with a square wave voltage, inductive, resistive and capacitive loads.

REFERENCES:
patent: 3343037 (1967-09-01), Kutz
patent: 3441832 (1969-04-01), Leu
patent: 3662191 (1972-05-01), Aley
patent: 3759078 (1971-05-01), Cronin et al.
patent: 3769525 (1973-10-01), Foss et al.
patent: 4045689 (1977-08-01), Tietz

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