INVERTER
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Accused Products
Abstract
An inverter, particularly for the energy supply of a three-phase motor (3) of a motor vehicle, where the inverter comprises a half bridge (1a, 1b, 1c) for electrically conductively connecting to the three-phase motor (3). The half-bridge (1a, 1b, 1c) comprises a voltage limiting element (8) which is electrically conductively connected to an input (6b) and an output (6c) of a power semiconductor switch (5a; 5b) of the half bridge (1a, 1b, 1c). The voltage limiting element creates, in a defined manner, a high impedance or low impedance connection between the input (6b) and the output (6c) of the power semiconductor switch (5a; 5b), depending on the voltage value of a voltage present between the input (6b) and the output (6c) of the power semiconductor switch (5a; 5b).
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Citations
25 Claims
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1-12. -12. (canceled)
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13. An inverter for an energy supply of a three-phase motor (3) of a motor vehicle, the inverter comprising:
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a half bridge (1a, 1b, 1c) for electrically conductively connecting to the three-phase motor (3), the half-bridge (1a, 1b, 1c) comprising a voltage limiting element (8) which is electrically conductively connected to an input (6b) and an output (6c) of a power semiconductor switch (5a;
5b) of the half bridge (1a, 1b, 1c) and which creates either a high impedance or a low impedance connection between the input (6b) and the output (6c) of the power semiconductor switch (5a;
5b), depending on a voltage value of a voltage present between the input (6b) and the output (6c) of the power semiconductor switch (5a;
5b). - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A drive arrangement of a motor vehicle containing a three-phase motor (3) in combination with an inverter for supplying electrical energy to the three-phase motor (3), the drive arrangement comprising:
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a winding strand (3a, 3b, 3c) of the three-phase motor (3) which is electrically conductively connected to a half bridge (1a, 1b, 1c), the inverter comprising the half bridge (1a, 1b, 1c) for electrically conductively connecting to the three-phase motor (3), the half-bridge (1a, 1b, 1c) comprising a voltage limiting element (8) which is electrically conductively connected to an input (6b) and an output (6c) of a power semiconductor switch (5a;
5b) of the half bridge (1a, 1b, 1c) and which creates either a high impedance or a low impedance connection between the input (6b) and the output (6c) of the power semiconductor switch (5a;
5b), depending on a voltage value of a voltage present between the input (6b) and the output (6c) of the power semiconductor switch (5a;
5b). - View Dependent Claims (23, 24)
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25. An inverter for an energy supply of a three-phase motor (3) of a motor vehicle, the inverter comprising:
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three half bridges (1a, 1b, 1c) which electrically conductively connect to a respective phase of the three-phase motor (3), each of the three half-bridges (1a, 1b, 1c) comprising a voltage limiting element (8) which is electrically conductively connected to an input (6b) and an output (6c) of a power semiconductor switch (5a;
5b) of the respective half bridge (1a, 1b, 1c) and which creates either a high impedance or low impedance connection between the input (6b) and the output (6c) of the power semiconductor switch (5a;
5b), depending on a value of a voltage present between the input (6b) and the output (6c) of the power semiconductor switch (5a;
5b).
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Specification