Constant voltage power supply

Details Constant voltage power supply Constant voltage power supply

1987-04-24

1988-06-21

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 41, 363 89, 320 1, H02P 1324

Patent

active

047528648

ABSTRACT:
A constant voltage power supply employs a circuit in which the average voltage over a specified period of time is maintained constant by a circuit for charging a voltage storage means with width modulated pulses applied several times during each specified period whereby to charge the storage means above the desired average level and terminating charging until the voltage falls below the specified level. The period of time over which the voltage is averaged is a function of the thermal inertia of a load to be driven. The average voltage is employed as the energizing circuit to a high frequency oscillator, and driver stages supplying the output of the oscillator to an output stage of a power supply whereby the energizing voltage of the stages and thus the dissipation of energy therein does not exceed that required to feed the lead at its then current energy requirements.

REFERENCES:
patent: 4002963 (1977-01-01), Hunter
patent: 4160996 (1979-07-01), Nigra et al.
patent: 4405889 (1983-09-01), Overstreet et al.
patent: 4665476 (1987-05-01), Masuda

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