Transistor oscillator power converter

Electric power conversion systems – Cascaded or combined – diverse conversions in which the... – Current and phase

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331117R, H02M 3335

Patent

active

040428702

ABSTRACT:
The converter includes a transistor, a transformer having a ferromagnetic core, tuning capacity, and rectification of high frequency oscillations which occur in the converter for producing a voltage for an electrical load different in magnitude from the voltage of an electrical energy source from which the converter takes power. Load voltage and electrical energy source voltage may be direct current voltages or changing voltages. The converter operates to maintain the voltage across the load at a constant value independent of the resistance of the electrical load. The oscillations occur only when transistor bias current is provided, for example by bias current conduction through the load, in which case negligible power is taken from the electrical energy source by the converter when the load is disconnected. High frequency of oscillations in the converter provides certain advantages.

REFERENCES:
patent: 3491281 (1970-01-01), Penn
patent: 3681674 (1971-12-01), Terry

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