METHODS AND SYSTEMS FOR BATTERY CHARGING MANAGEMENT
First Claim
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1. A battery charging system for a vehicle, said system comprising:
- a battery charger electrically coupled to at least one battery; and
a plurality of sensors configured to measure a voltage of the battery, a charging current supplied to the battery, and a temperature of the battery;
wherein said battery charger is configured to determine a state of charge of the battery using at least one of the plurality of sensors to control gassing of the battery during charging.
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Abstract
Methods and systems for battery charging are provided. A system includes a battery charger electrically coupled to at least one battery and a plurality of sensors configured to measure a voltage of the battery, a charging current supplied to the battery, and a temperature of the battery wherein the battery charger is configured to determine a state of charge of the battery using at least one of the plurality of sensors to control gassing of the battery during charging.
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Citations
23 Claims
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1. A battery charging system for a vehicle, said system comprising:
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a battery charger electrically coupled to at least one battery; and a plurality of sensors configured to measure a voltage of the battery, a charging current supplied to the battery, and a temperature of the battery; wherein said battery charger is configured to determine a state of charge of the battery using at least one of the plurality of sensors to control gassing of the battery during charging. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of charging a battery, said method comprising:
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providing charging current to the battery from a battery charger at a substantially constant voltage determined by the measured temperature of the battery; determining a state of charge of the battery using the charging current; and stopping charging of the battery when the determined state of charge of the battery substantially equals a predetermined state of charge of the battery. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A train locomotive comprising:
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an engine; a battery utilized to start said engine; and a battery charger coupled to said battery, said battery charger comprising; at least one temperature sensor configured to measure the temperature of the battery; and a current sensor configured to measure the charging current supplied to the battery from the battery charger; wherein said battery charger is configured to provide charging current to the battery at a substantially constant voltage wherein the voltage is corrected using the measured temperature of the battery. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification