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METHOD OR VOLTAGE DETECTION SYSTEM FOR DETERMINING A CORRECTION PARAMETER FOR A MEASUREMENT CHANNEL AND FOR DETECTING A TERMINAL VOLTAGE OF AN ELECTRIC MOTOR
METHOD OR VOLTAGE DETECTION SYSTEM FOR DETERMINING A CORRECTION PARAMETER FOR A MEASUREMENT CHANNEL AND FOR DETECTING A TERMINAL VOLTAGE OF AN ELECTRIC MOTOR
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机译:方法或电压检测系统,用于确定测量通道的校正参数并确定电动机的端子电压
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摘要
The invention relates to a method for determining a correction parameter for a measurement channel (6) which is connected to a connection terminal (3) of an electric motor (2) in order to measure a terminal voltage (U1, U2), characterized in that the connection terminal (3) is connected to a first potential via switching elements (T1, T2, T3, T4) for driving the electric motor (2), after a steady state of the measurement channel (6) has been reached, the connection terminal (3) is connected to a second potential, which differs from the first, by changing over at least one switching element (T1, T2, T3, T4), the dynamic response of the measurement channel (6) is detected following connection to the second potential, and the correction parameter for the dynamic response of the measurement channel (6) is determined on the basis of the detected dynamic response of the latter.
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