Flywheel energy storage system

Electricity: single generator systems – With flywheels or massive moving parts

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Details

322 41, 310 74, 318150, 318161, H02K 702

Patent

active

046124942

ABSTRACT:
A flywheel energy storage system comprises a dynamoelectric machine, a flywheel connected to the dynamoelectric machine for rotation therewith, an auxiliary machine for performing operational tasks associated with the operation of the dynamoelectric machine and the flywheel, a low voltage power source for operating the auxiliary machine, a permanent magnet generator connected to be operated by energy stored in the flywheel for generating electric power which is supplied to the auxiliary machine when the low-voltage power source is not available, and a converter means connected between the permanent magnet generator and the auxiliary machine for converting a varying voltage from the permanent magnet generator into a stable voltage which can be supplied to the auxiliary machine.

REFERENCES:
patent: 4278928 (1981-07-01), Griffiths et al.

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