CIRCUIT ARRANGEMENTS AND METHODS FOR OPERATING AN ELECTRICAL MACHINE
First Claim
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1. A circuit arrangement comprising:
- a first battery;
a second battery;
an electrical machine connected between the first battery and the second battery wherein the electrical machine is connected to the first battery via a first switching arrangement and the electrical machine is connected to the second battery via a second switching arrangement;
a controller configured to control the first switching arrangement and the second switching arrangement such that a current that has a DC component flows through the electrical machine.
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Abstract
A circuit arrangement is described comprising a first battery; a second battery; an electrical machine connected between the first battery and the second battery wherein the electrical machine is connected to the first battery via a first switching arrangement and the electrical machine is connected to the second battery via a second switching arrangement and a controller configured to control the first switching arrangement and the second switching arrangement such that a current that has a DC component flows through the electrical machine.
12 Citations
23 Claims
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1. A circuit arrangement comprising:
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a first battery; a second battery; an electrical machine connected between the first battery and the second battery wherein the electrical machine is connected to the first battery via a first switching arrangement and the electrical machine is connected to the second battery via a second switching arrangement; a controller configured to control the first switching arrangement and the second switching arrangement such that a current that has a DC component flows through the electrical machine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for operating an electrical machine comprising
controlling a first switching arrangement, via which a first battery is coupled with the electrical machine, and a second switching arrangement, via which a second battery is coupled with the electrical machine, such that a current that has a DC component flows through the electrical machine.
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16. A circuit arrangement comprising:
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a first battery; a second battery; an electrical machine connected between the first battery and the second battery wherein the electrical machine is connected to the first battery via a first switching arrangement and the electrical machine is connected to the second battery via a second switching arrangement and wherein the electrical machine is connected to the second switching arrangement via a plurality of terminals; and a controller configured to control the second switching arrangement, in response to the detection of an error of the second switching arrangement or the second battery, such that the terminals are short-circuited by means of the second switching arrangement. - View Dependent Claims (17, 18, 19)
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20. A method for operating an electrical machine comprising
controlling a switching arrangement, via which a battery is coupled with the electrical machine via a plurality of terminals, such that the terminals are short-circuited by means of the switching arrangement in response to the detection of an error of the switching arrangement or the battery.
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21. A circuit arrangement comprising:
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a first battery; a second battery; an electrical machine connected between the first battery and the second battery wherein the electrical machine is connected to the first battery via a first switching arrangement and the electrical machine is connected to the second battery via a second switching arrangement; a controller configured to control the first switching arrangement and the second switching arrangement such that the first battery supplies electric power to drive the electrical machine and the electric machine supplies power to the second battery to charge the second battery. - View Dependent Claims (22)
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23. A method for operating an electrical machine comprising
controlling a first switching arrangement, via which a first battery is coupled with the electrical machine and a second switching arrangement, via which a second battery is coupled with the electrical machine such that the first battery supplies electric power to drive the electrical machine and the electric machine supplies power to the second battery to charge the second battery.
Specification