On-line battery monitoring system with defective cell detection capability
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United States of America Patent
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Jan 20, 1998
Grant Date -
N/A
app pub date -
Feb 1, 1996
filing date -
Feb 1, 1996
priority date (Note) -
Expired
status (Latency Note)
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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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