Patent ID: 6023419
Filing Date: 2000-02-08
Classification: H02M

Abstract:
A capacitor regulated controllable voltage and current power supply comprising:a voltage reducing and current limiting rectifying circuit arranged to be connected to an AC power source having one or more phases and AC output terminals, said rectifying circuit including a current rectifier device having rectifier output terminals, said current rectifier device being parallel connected to said AC output terminals;a capacitor parallel connected to a resistor and series connected between said AC power source and said current rectifier device;a controllable current distributing device for actively controlling output voltage, said controllable current distributing device being parallel connected to said current rectifier device output terminals; anda voltage output control device connected to said controllable current distributing device for supplying a control bias voltage to said distributing device, said output voltage control device being arranged to be selectively connected to a control terminal of said controllable current distributing device and including a series connected zener diode and current limiting resistor;a diode arranged to be selectively series connected in a current direction between said controllable current distributing device and said output voltage control device; anda capacitor arranged to be selectively parallel connected with said load at a point between said output voltage control device said load.