Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent
1999-07-06
2000-11-28
Ballato, Josie
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
H02J 906
Patent
active
061539473
ABSTRACT:
The dual feed hot swap battery plant controller for power supplies provides true isolation between buses, both power and return, and enables the use of a single power converter, which may be powered from two totally isolated independent battery plant feeds. The dual feed hot swap battery plant controller is connected to the power and return buses of both a primary and a secondary battery plant. The dual feed hot swap battery plant controller uses a pair of hot swap devices to monitor the power and return buses of both the primary and the secondary battery plants to determine the state of each of these battery plants. The pair of hot swap devices are interconnected to control the operation of a power switching relay device which switches and provides true isolation between buses, both power and return in response to the present state of the battery plants. The switched power and return buses are used to power a single power converter, thereby sharing the power converter between two battery plants. Additional control circuitry is provided to indicate the occurrence of a power failure as well as provide the ability to test both buses under software control with high level of confidence of catching latent faults.
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Rockow Bruce C.
Vu Thuc Khanh
Ballato Josie
DeBeradinis Robert L.
Lucent Technologies - Inc.
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