Secondary electrical power supply

Details Secondary electrical power supply Secondary electrical power supply

1993-03-08

1995-03-21

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

307 91, H02J 700, H02J 900

Patent

active

053999096

ABSTRACT:
A secondary battery equipped power supply is provided with charging and related circuitry such that when placed in a location, such as in a DC powered electrical transit system, where there are normal, surge and continuous peak demands placed on the primary DC supply, the battery charges during normal operation and discharges to provide additional power on the occasion of a surge or peak demand.

REFERENCES:
patent: 4339704 (1982-07-01), McSparran et al.
patent: 4468572 (1984-08-01), Miura et al.
patent: 5121046 (1992-06-01), McCullough

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