Power supply controller, electric vehicle and battery...

Details Power supply controller, electric vehicle and battery... Power supply controller, electric vehicle and battery...

2006-05-30

2006-05-30

Tibbits, Pia (Department: 2838)

Electricity: battery or capacitor charging or discharging

One cell or battery charges another

Vehicle battery charging

Reexamination Certificate

active

07053588

ABSTRACT:
A voltage measurement part200measures voltage Vn for each of the blocks of a battery pack7, electric current In is measured with the same timing by a current measuring circuit201, and a counter206counts the number of times an effective load power Pn obtained from a product of the electric current and voltage of each block by an electric power computation part203exceeds permissible electric power values Pcn and Pdn calculated by a permissible electric power computation part205, such that when the count value is equal to or higher than a preset value, a decision part207outputs a contactor opening request signal Copen so as to bring the contactors into an open state and protect the battery pack.

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patent: 2003-219510 (2003-07-01), None

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