BATTERY CHARGING METHOD AND APPARATUS
First Claim
1. A method of charging a battery of electric accumulators from the electric energy supplied by an electric generator, wherein the battery is charged to a first maximum state-of-charge in a first operating mode and to a second maximum state-of-charge, lower than the first maximum state-of-charge, in a second operating mode, the method comprising switching from the first operating mode to the second operating mode when a first condition relative to the day length, or to the variation of the day length, is fulfilled, and comprising switching from the second operating mode to the first operating mode when second conditions are fulfilled, the second conditions comprising determining that the day length becomes shorter than a first duration threshold and determining that a criterion determined from the environmental conditions of the electric generator or of the battery is fulfilled.
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Abstract
A method of charging a battery of electric accumulators from the electric energy supplied by an electric generator, wherein the battery is chary to a first maximum state-of-charge in a first operating mode and to a second maximum state-of-charge, lower than the first maximum state-of-charge, in a second operating mode. The method includes switching from the first mode to the second mode when a first condition relative to the day length, or to the variation of the day length, is fulfilled and comprises switching from the second mode to the first mode when second conditions are fulfilled, the second conditions including determining that the day length becomes shorter than a first duration threshold and determining that a criterion determined from the environmental conditions of the electric generator or of the battery is fulfilled.
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Citations
15 Claims
- 1. A method of charging a battery of electric accumulators from the electric energy supplied by an electric generator, wherein the battery is charged to a first maximum state-of-charge in a first operating mode and to a second maximum state-of-charge, lower than the first maximum state-of-charge, in a second operating mode, the method comprising switching from the first operating mode to the second operating mode when a first condition relative to the day length, or to the variation of the day length, is fulfilled, and comprising switching from the second operating mode to the first operating mode when second conditions are fulfilled, the second conditions comprising determining that the day length becomes shorter than a first duration threshold and determining that a criterion determined from the environmental conditions of the electric generator or of the battery is fulfilled.
- 14. A system comprising an electric generator, a battery, a circuit charging the battery from the electric energy supplied by the generator, and a unit for controlling the charge circuit, the control unit being capable of controlling the charge of the battery to a first maximum state-of-charge in a first operating mode and to a second maximum state-of-charge, lower than the first maximum state-of-charge, in a second operating mode, the control unit being capable of switching from the first operating mode to the second operating mode when a first condition relative to the day length, or to the variation of the day length, is fulfilled, and capable of switching from the second operating mode to the first operating mode when second conditions are fulfilled, the second conditions comprising determining that the day length becomes shorter than a first duration threshold and determining that a criterion determined from the environmental conditions of the electric generator or of the battery is fulfilled.
Specification