Power system having an inductive charge effect limiting inverter

Details Power system having an inductive charge effect limiting inverter Power system having an inductive charge effect limiting inverter

1977-03-30

1979-07-24

Shoop, William M.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

307148, 361341, 363133, 363 41, H02M 3335

Patent

active

041625250

ABSTRACT:
A power system provides a duty cycle modulated high frequency carrier signal to an inductive load with positive and negative buses. During the inductive energy discharge period the energy stored in the inductive load causes a reversal in the polarity of the inductor terminal and tends to drive the new polarity towards infinity. Thus, the magnitude of one of the buses may be increased as the result of duty cycle modulation. First and second inverters are coupled in parallel across the positive and negative buses. First and second series coupled capacitors are also connected in parallel with the inverters. The power inverter senses the increased voltage on the second bus as a result of the inductive energy discharge and transfers that energy back to the first bus. Power may thus be sensed, converted in form, and transferred from one bus to another while conserving 90% of the energy which would otherwise be wasted.

REFERENCES:
patent: 3308371 (1967-03-01), Studtmann, Jr.
patent: 3958131 (1976-05-01), Mozdzer

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