Modular and reconfigurable rapid battery charger

Details Modular and reconfigurable rapid battery charger Modular and reconfigurable rapid battery charger

2006-11-14

2006-11-14

Tso, Edward H. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

Reexamination Certificate

active

07135836

ABSTRACT:
The battery charger is modular and reconfigurable. It includes charging modular power stages that are configured to receive an alternating current (AC) input and provide a direct current (DC) output for charging a battery. These modular power stages include an inverter coupled to a rectifier circuit that outputs a battery charging current. The modular power stages can also each include a current mode controller coupled to the output of the rectifier circuit and configured to provide a current control signal for the modular power stage, a voltage mode controller coupled to the output of the rectifier circuit and configured to provide a voltage control signal for the modular power stage, and a droop sharing control and configured to ensure current sharing between a plurality of modular power stages under constant voltage operation. A system controller is configured to interface with the modular power stages.

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patent: 2003/0038612 (2003-02-01), Kutkut

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