Battery protection circuitry for limiting charging parameters of a battery plant
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United States of America Patent
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-
Dec 30, 1997
Grant Date -
N/A
app pub date -
Mar 11, 1996
filing date -
Mar 11, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an arrangement for charging a battery in a battery plant, a resistive network is situated in the charging path of a battery being charged to guarantee a minimum total resistance of the added resistance and the battery's internal resistance regardless of the thermal effect of reducing the battery's internal resistance. A diode path bypasses the resistive network during discharging of the battery to reduce power dissipation. Charging current is controlled in response to a temperature of a heat sink on which the resistive network is mounted. Ambient temperature is used as a control or in another arrangement as a controlling factor in controlling charging current. Battery temperature may also be used as a control or in another arrangement as a controlling factor in controlling charging current.
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