Electric power supply system, vehicle and method of operating a vehicle
First Claim
1. An electrical power supply system of a vehicle, wherein the electrical power supply system comprises:
- an inverter,an electric machine,a receiving device adapted to receive an alternating electromagnetic field and to produce an alternating electric current by electromagnetic induction, anda passive electric circuit arrangement adapted to connect the inverter, the electric machine, and the receiving device, wherein the passive electric circuit arrangement comprises;
a first transmission circuit for transferring electric energy between the receiving device and the electric machine,a second transmission circuit for transferring electric energy between the receiving device and the inverter, anda third transmission circuit for transferring electric energy between the inverter and the electric machine, wherein the passive electric circuit arrangement is designed such that at a charging frequency, an impedance of the first transmission circuit at the charging frequency is higher than a predetermined first blocking impedance and an impedance of the second transmission circuit at the charging frequency is lower than a predetermined second passing impedance, whereupon electrical energy is transferred from the receiving device to the inverter, and transfer of electrical energy from the receiving device to the electrical machine is blocked.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is an electric power supply system, vehicle and method of operating a vehicle, wherein an electrical power supply system, in particular a traction system, of a vehicle, includes an energy storage module, an inverter, an electric machine, a receiving device adapted to receive an alternating electromagnetic field and to produce an alternating electric current by electromagnetic induction, and a passive electric circuit arrangement adapted to connect the inverter, the electric machine, and the receiving device, wherein the passive electric circuit arrangement includes a first transmission circuit for transferring electric energy between the receiving device and the electric machine, a second transmission circuit for transferring electric energy between the receiving device and the inverter, and a third transmission circuit for transferring electric energy between the inverter and the electric machine, wherein the passive electric circuit arrangement is designed such that at a given charging frequency, an impedance provided by the first transmission circuit is higher than a predetermined first blocking impedance and an impedance provided by the second transmission circuit is lower than a predetermined second passing impedance.
9 Citations
18 Claims
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1. An electrical power supply system of a vehicle, wherein the electrical power supply system comprises:
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an inverter, an electric machine, a receiving device adapted to receive an alternating electromagnetic field and to produce an alternating electric current by electromagnetic induction, and a passive electric circuit arrangement adapted to connect the inverter, the electric machine, and the receiving device, wherein the passive electric circuit arrangement comprises; a first transmission circuit for transferring electric energy between the receiving device and the electric machine, a second transmission circuit for transferring electric energy between the receiving device and the inverter, and a third transmission circuit for transferring electric energy between the inverter and the electric machine, wherein the passive electric circuit arrangement is designed such that at a charging frequency, an impedance of the first transmission circuit at the charging frequency is higher than a predetermined first blocking impedance and an impedance of the second transmission circuit at the charging frequency is lower than a predetermined second passing impedance, whereupon electrical energy is transferred from the receiving device to the inverter, and transfer of electrical energy from the receiving device to the electrical machine is blocked. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of operating a vehicle, using electric energy, comprising a charging mode wherein:
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an alternating electromagnetic field operating at a charging frequency is received by a receiving device and is used to produce an alternating electric current by electromagnetic induction, electric energy at the charging frequency is transferred from the receiving device to an inverter via a second transmission circuit, and a transfer of electric energy at the charging frequency from the receiving device to an electric machine via a first transmission circuit is blocked by an impedance of the first transmission circuit. - View Dependent Claims (15)
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16. A method of manufacturing a vehicle comprising:
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providing a receiving device adapted to receive an alternating electromagnetic field and to produce an alternating electric current by electromagnetic induction, providing an inverter, providing an electric machine, providing a passive electric circuit arrangement such that at a charging frequency, an impedance of a first transmission circuit of the passive electric circuit arrangement at the charging frequency is higher than a predetermined first blocking impedance and an impedance of a second transmission circuit of the passive electric circuit arrangement at the charging frequency is lower than a predetermined second passing impedance whereupon electrical energy is transferred from the receiving device to the inverter, and transfer of electrical energy from the receiving device to the electrical machine is blocked, and electrically connecting the receiving device, the inverter, and the electric machine by the passive electric circuit arrangement, wherein the passive electric circuit arrangement comprises the first transmission circuit for transferring electric energy between the receiving device and the electric machine, the second transmission circuit for transferring electric energy between the receiving device and the inverter, and a third transmission circuit for transferring electric energy between the inverter and the electric machine. - View Dependent Claims (17, 18)
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Specification