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Method for operating e.g. permanently excited synchronous machine for motor car, involves comparing voltage in intermediate circuit with minimum limit voltage value in circuit, to open converter valves so as to drive machine
Method for operating e.g. permanently excited synchronous machine for motor car, involves comparing voltage in intermediate circuit with minimum limit voltage value in circuit, to open converter valves so as to drive machine
The method involves connecting electrical machine (10) with an intermediate circuit (20) through the power converter valves (21-26). The portion of the converter valves is closed for short-circuiting the electrical machine. The voltage in the intermediate circuit is compared with minimum limit value for the voltage in the intermediate circuit in order to open converter valves so as to drive the electrical machine. An independent claim is included for device for operating electrical machine.
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