Electrical charging apparatus
First Claim
1. A charging apparatus for charging electric storage devices of electric vehicles includinga feed-in unit for feeding electric energy into an electric ac voltage network includingan electric dc voltage intermediate circuit for the intermediate storage of electric energy with an intermediate circuit voltage, andan inverter circuit for converting a direct current of the dc voltage intermediate circuit into an alternating current for feeding it into the electric ac voltage network and for converting an alternating current from the ac voltage network into a dc voltage for feeding it into the dc voltage intermediate circuit, andat least one electric storage charge circuit for at least partial charging one of the electric storage devices from the dc voltage intermediate circuit and for at least partial discharging of one of the electric storage devices into the dc voltage intermediate circuit.
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Accused Products
Abstract
The present invention concerns a charging apparatus for charging electric storage devices of electric vehicles including a feed-in unit for feeding electric energy into an electric ac voltage network including an electric dc voltage intermediate circuit for the intermediate storage of electric energy with an intermediate circuit voltage, and an inverter for converting a direct current of the dc voltage intermediate circuit into an alternating current, for feeding it into the electric ac voltage network and for converting an alternating current from the ac voltage network into a direct current for feeding it into the dc voltage intermediate circuit, and at least one electric storage charge circuit for at least partial charging of one of the electric storage devices from the dc voltage intermediate circuit and for at least partial discharging of one of the electric storage devices into the dc voltage intermediate circuit.
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Citations
18 Claims
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1. A charging apparatus for charging electric storage devices of electric vehicles including
a feed-in unit for feeding electric energy into an electric ac voltage network including an electric dc voltage intermediate circuit for the intermediate storage of electric energy with an intermediate circuit voltage, and an inverter circuit for converting a direct current of the dc voltage intermediate circuit into an alternating current for feeding it into the electric ac voltage network and for converting an alternating current from the ac voltage network into a dc voltage for feeding it into the dc voltage intermediate circuit, and at least one electric storage charge circuit for at least partial charging one of the electric storage devices from the dc voltage intermediate circuit and for at least partial discharging of one of the electric storage devices into the dc voltage intermediate circuit.
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15. Use of a feed-in unit of a wind power installation as a feed-in unit of a charging apparatus for charging electric storage devices of electric vehicles,
wherein the feed-in unit includes an electric dc voltage intermediate circuit for the intermediate storage of electric energy with an intermediate circuit voltage, and an inverter circuit for converting a direct current of the dc voltage intermediate circuit into an alternating current, for feeding it into an electric ac voltage network and for converting an alternating current from the ac voltage network into a direct current for feeding it into the dc voltage intermediate circuit, and a respective electric storage charge circuit coupled to the dc voltage intermediate circuit is used for at least partial charging of one of the electric storage devices from the dc voltage intermediate circuit and for at least partial discharging of one of the electric storage devices into the dc voltage intermediate circuit.
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16. A method of controlling a charging apparatus connected to an ac voltage network for at least one of charging and discharging electric storage devices of electric vehicles including the steps:
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receiving an item of presetting information for predetermining feeding active power into the ac voltage network or taking active power from the ac voltage network and feeding reactive power into the ac voltage network or taking reactive power from the ac voltage network, and controlling the charging apparatus in dependence on the presetting information to feed active power into the ac voltage network or take active power from the ac voltage network and/or to feed reactive power into the ac voltage network or take reactive power from the ac voltage network, and/or controlling the charging apparatus in such a way that in dependence on the presetting information at least one of the electric storage devices is at least partially charged or discharged. - View Dependent Claims (17, 18)
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Specification