On-line battery monitoring system with defective cell detection

Details On-line battery monitoring system with defective cell detection On-line battery monitoring system with defective cell detection

1997-11-17

1999-07-13

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

324429, H02J 700, G01N 27416

Patent

active

059231483

ABSTRACT:
An on-line battery monitoring system for monitoring a plurality of battery cells identifies and computes individual cell and battery bank operating parameters. The system comprises a controller for designating a given battery cell to be monitored, a multiplexer responsive to designation by the controller for selecting a given battery cell to be monitored or for selecting a battery pack to be monitored, an analog board for receiving electrical signals from a given battery cell for providing an output representing measurement of a parameter (voltage, temperature, and the like) of the given battery cell, a voltage sensor circuit for sensing voltage appearing across positive and negative terminals of the battery pack, and a control board responsive to address information for selectively initiating a load test, battery bank charging, or common-mode voltage measurement.

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