APPARATUS AND METHOD FOR AN ELECTRIC POWER SUPPLY
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Abstract
A traction power source for electric vehicles in a single unit. Specifically, traction power source integrates several functions, such as the battery and inverter. In addition, further functionalities that are traditionally in separate units can be integrated into the system and efficiently performed by the same electronics, such as battery management and thermal management.
46 Citations
104 Claims
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1-52. -52. (canceled)
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53. An electrical circuit comprising at least three battery modules, wherein each of said battery modules comprises at least one battery subportion and at least two electric switches;
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wherein each of said battery modules is electrically connected to at least a second of said battery modules through at least one electric inter-battery-module connection line; and wherein said at least two electric switches in each battery module are configured to change an electric connectivity between a first battery subportion of one of said battery modules and at least one second battery subportion of another of said battery modules between at least two alternatives of the electric connectivity by effective switching of said electric switches. - View Dependent Claims (54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91)
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92. A method for generating at least one electrical voltage for at least one electrical load comprising:
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regularly reconfiguring an electrical connectivity of at least two battery subportions by subsequently changing between at least the following switching states using at least two electric switches per battery subportion; a first battery subportion is electrically conductively connected in series to at least one second battery subportion, and the at least one battery subportion is not electrically conductively connected to any other battery subportion. - View Dependent Claims (93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104)
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Specification