Flat frequency, constant voltage power source device

Details Flat frequency, constant voltage power source device Flat frequency, constant voltage power source device

1989-06-19

1990-06-26

Smith, Jr., David

Electrical transmission or interconnection systems

Plural supply circuits or sources

Connecting or disconnecting

307 84, 322 16, H02P 900

Patent

active

049374630

ABSTRACT:
A flat frequency, constant voltage power source device provided for parallel operation of a plurality of electric generators is arranged to have a starting sequence determination means which automatically determines which one of the electric generators is to be started initially and places the remaining ones of the electric generators sequentially into the parallel operation with the initially started generator, the plurality of the electric generators sequentially satisfying conditions for their parallel operation and being smoothly placed in parallel operation.

REFERENCES:
patent: 3235743 (1956-02-01), Ryerson et al.
patent: 3444387 (1969-05-01), Billings et al.
patent: 3497711 (1970-02-01), Wuttig
patent: 3588519 (1971-06-01), Luebrecht
patent: 3609388 (1971-09-01), Hemmenway
patent: 4575671 (1986-04-01), Lee et al.

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