RECTIFIED VOLTAGE REGULATOR Russian patent published in 1999 - IPC

FIELD: electrical engineering; output voltage regulation for automobile permanent-magnet brushless generators and battery chargers. SUBSTANCE: three-phase bridge rectifier that has cathode group of power diodes and anode group of thyristors whose gate electrodes are connected through isolating diodes to phase- shifting circuits is provided, in addition, with low-power analog output voltage regulator that feeds mentioned phase-shifting circuits interconnected to form diode bridge. Negative lead of this bridge is connected to anodes of isolating diodes and diagonally opposite pairs of terminals, to cathodes of mentioned thyristors via timing capacitors; positive lead of bridge is connected to center tap of switch rectifier feeding windings and to limiting resistor of standard diode of mentioned regulator inserted between positive pole of switch rectifier and point of connection of limiting resistor to base of driving p-n-p transistor whose emitter is connected to output voltage divider and collector, to base of regulating n-p-n transistor whose emitter is connected to anodes of isolating diodes and collector, to negative pole of switch rectifier. EFFECT: reduced size, improved reliability and performance characteristics at all load currents. 2 dwg