METHOD FOR CONTROLLING THE CHARGING OF A BATTERY OF AN ELECTRIC VEHICLE IN A NON-CONTACT CHARGING SYSTEM
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Abstract
A method for controlling charging of a battery of an electric drive motor vehicle or a hybrid motor vehicle, in a non-contact charging system wherein a power generator including a direct current source followed by an inverter feeds a load including an inductor arranged in series with the inverter, the method including: controlling the inverter at a working frequency slaved to a load resonance frequency by transmission of first and second pulse-width modulation command signals respectively to first and second switching arms of the inverter; and performing a closed-loop regulation on an intensity of a supply current of the inverter, a supply current set value being defined according to a maximum current that can be supplied by the direct current source.
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Citations
18 Claims
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1-9. -9. (canceled)
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10. A method for controlling charging of a battery of an electric or hybrid drive motor vehicle in a non-contact charging system, wherein a power generator including a DC voltage source followed by an inverter feeds a load including an inductor, the load being connected in series with an output of the inverter, the method comprising:
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controlling the inverter at a working frequency slaved to a frequency close to a load resonance frequency at the output of the inverter by transmission of a first pulsewidth modulation command signal and a second pulsewidth modulation command signal to a first switching arm and a second switching arm respectively of the inverter; performing a closed-loop regulation of an intensity of a supply current of the inverter, a supply current intensity set value being fixed to be constant, equal to a maximum current able to be provided by the DC voltage source of the inverter; and performing a closed-loop regulation of power transmitted by the inverter simultaneously by acting on a control of a supply voltage of the inverter, a power set value being established according to a piece of electrical power information required for the charging of the battery. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification