Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent
1995-08-22
1997-08-19
Wong, Peter S.
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
307 44, 307 66, H02J 700, H02J 900, H02J 110, H02J 338
Patent
active
056592078
ABSTRACT:
The present invention is related to an uninterrupted power supply providing a power for a load. The present uninterrupted power supply includes a rectifying device receiving and rectifying an input power signal for generating first rectified signal; first and a second charge/discharge devices electrically connected to the rectifying device, and alternately executing a charge/discharge operation in response to the first rectified signal; first and second voltage supply devices respectively electrically connected to the first and the second charge/discharge devices, respectively receiving charges from the first and the second charge/discharge devices for being kept at a stable electrical potential level, and outputting a voltage signal for providing the power for the load; and a power reservoir receiving and storing therein the input power signal and outputting a reserve power signal serving as the input power signal to the rectifying device when there is no subsequent input power signal inputted.
REFERENCES:
patent: 4238690 (1980-12-01), Clarke
patent: 4728808 (1988-03-01), Bet-Esh et al.
patent: 4763013 (1988-08-01), Gvoth, Jr. et al.
patent: 5010469 (1991-04-01), Bobry
Delta Electronics , Inc.
Vu Bao Q.
Wong Peter S.
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