CHARGING SYSTEM HAVING AN ACCUMULATOR, USE OF AN MPP TRACKING METHOD FOR CHARGING AN ACCUMULATOR, AND METHOD FOR CHARGING AN ACCUMULATOR WITH THE AID OF A CHARGING SYSTEM
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Abstract
A charging system including an accumulator, a use of an MPP tracking method for charging an accumulator, and a method for charging an accumulator with the aid of a charging system, the charging system including a voltage source, a converter, and a rectifier, the current supplied and/or driven by the voltage source being supplied to the DC-voltage-side terminal of a converter, the converter having semiconductor switches, which are controllable in a pulse-width modulated manner, in order to generate an output-side AC voltage, the output-side AC voltage feeding a rectifier, whose output-side voltage, especially rectified voltage, functioning and/or acting as charging voltage for the accumulator, an arrangement for detecting the output current of the inverter being situated in the converter, the effective value of the output current in particular corresponding to the charge current of the converter, a current limiting arrangement of the converter limiting the output current of the inverter to a current value such that the charging power, i.e., the product of charging voltage and charge current, is controlled toward a maximum value.
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Citations
35 Claims
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1-9. -9. (canceled)
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10. A charging system, comprising:
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an accumulator; a voltage source; a converter including an inverter; and a rectifier, wherein; a current at least one of supplied and driven by the voltage source is supplied to a DC-voltage-side terminal of the inverter, the inverter includes semiconductor switches that are controllable in a pulse-width modulated manner for generating an output-side AC voltage, the output-side AC voltage feeds the rectifier that produces a rectified output-side voltage that at least one of functions and acts as a charging voltage for the accumulator, the converter includes an arrangement for detecting an output current of the inverter, an effective value of the output current corresponds to a charge current of the converter, the output-side AC voltage as a controlled variable is communicated to a controller, and the converter includes a current limiting arrangement that limits the output current of the inverter to a current value such that a charging power is controlled toward a maximum value. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. An MPP tracking method for charging an accumulator, comprising:
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charging the accumulator by an inverter that is actuated in a pulse-width modulated manner and supplied from a voltage source; and limiting an output current of the inverter to a current value such that a charging power is controlled toward to a maximum value. - View Dependent Claims (27, 28, 29, 30, 31)
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32. A method for charging an accumulator with the aid of a charging system that includes a voltage source, a converter, and a rectifier, the method comprising:
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supplying a current that is one of supplied and driven by the voltage source to a DC-voltage-side terminal of an inverter; actuating semiconductor switches of the inverter in a pulse-width modulated manner in order to generate an output-side alternating voltage of the inverter; rectifying the output-side alternating voltage, wherein the output-side rectified voltage at least one of functioning and acting as a charging voltage for the accumulator; detecting an output current of the inverter; and limiting the output current of the inverter to a current value such that a charging power is controlled toward to maximum value. - View Dependent Claims (33, 34, 35)
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Specification