Flywheel power source apparatus

Details Flywheel power source apparatus Flywheel power source apparatus

1986-10-30

1987-11-17

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including an a.c.-d.c.-a.c. converter

363124, 307 66, H02M 5451

Patent

active

047077743

ABSTRACT:
A flywheel power source apparatus of the invention can be additively used in a power source apparatus for a load such as computer, which is adversely affected by momentary service interruption or large voltage variation. The flywheel power source apparatus comprises a main circuit having a converter for converting AC power source output into DC output and a first inverter for converting the DC output of the converter into AC output and supplying it to a load, a flywheel device supplied with power from the main circuit and driven for rotation, and a compensation circuit for supplying the stored energy based on the rotational energy of the flywheel device to the first inverter of the main circuit. The flywheel power source apparatus is composed of a chopper circuit for controlling the voltage of the compensation circuit, a second inverter circuit for controlling the frequency of the compensation circuit, and first and second comparators for comparing outputs during outage of the power source and in a normal state with reference values respectively and controlling the chopper circuit.

REFERENCES:
patent: 4065711 (1977-12-01), Kawabata

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