DC-to-AC voltage converter

Details DC-to-AC voltage converter DC-to-AC voltage converter

1978-06-19

1979-10-30

Shoop, William M.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363134, H02M 7537

Patent

active

041730402

ABSTRACT:
A dc-to-ac voltage converter built around a multivibrator wherein the emitters of its transistors are interconnected and the collectors are connected to the primary terminals of an output transformer, and comprising a parametric voltage regulator. The transformer also has a feedback winding connected to a rectifier having one of its terminals connected to a voltage divider whose center tap is coupled to the base of a composite transistor and whose other terminal is coupled to the point of connection of a ballast resistor and a Zener diode of the voltage stabilizer. The other terminal of the rectifier is connected to a terminal of the dc voltage source, to the free lead of the Zener diode and to the emitter of the composite transistor whose collector is coupled to the point of connection of the emitters of the multivibrator transistors. Connected to the other terminal of the dc voltage source is the center tap of the transformer primary winding.

REFERENCES:
patent: 2968738 (1961-01-01), Pintell
patent: 3417311 (1968-12-01), Logan
patent: 3758841 (1973-09-01), Bourbeau

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