Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent
1978-12-27
1980-12-09
Gonzales, John
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
307 87, H02J 906
Patent
active
042386918
ABSTRACT:
A power supply load transfer system reduces the transients produced at a moment of transfer by reducing the first and second half-cycle durations of the reserve signal output following the moment of transfer by equal amounts so that a previous phase lag between a primary signal and the reserve signal is eliminated.
REFERENCES:
patent: 3805139 (1974-04-01), Hoffman, Jr. et al.
patent: 4010381 (1977-03-01), Fickenscher et al.
patent: 4148097 (1979-04-01), Deisch
Bell Telephone Laboratories Incorporated
Dwyer James L.
Gonzales John
Steinmetz Alfred G.
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