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Current measurement device and method using a Rogowski type current transducer

机译:使用Rogowski型电流传感器的电流测量装置和方法

摘要

A current measurement device for measuring a current through a primary conductor is provided. The current measurement device comprises a current transducer of the Rogowski type, the current transducer comprising a conductor winding connected to a pair of transducer terminals and adapted to induce there between a measurement voltage indicative of a current through the primary conductor; a pair of calibration terminals adapted for providing a calibration current to a calibration current path conforming to the primary conductor, so that the calibration current induces a calibration response voltage component between the pair of transducer terminals; and a control circuit. The control circuit comprises a calibration current generator for generating the calibration current and connected to the pair of calibration terminals for providing the calibration current via the pair of calibration terminals to the calibration current path, and a voltage analyzer connected to the pair of transducer terminals for receiving the calibration response voltage component induced between the pair of transducer terminals.
机译:提供了一种用于测量通过初级导体的电流的电流测量装置。电流测量装置包括Rogowski型电流传感器,该电流传感器包括导体绕组,该导体绕组连接到一对传感器端子并适于在它们之间感应出表示通过初级导体的电流的测量电压。一对校准端子,用于向与所述初级导体一致的校准电流路径提供校准电流,从而所述校准电流在所述一对换能器端子之间感应出校准响应电压分量;和控制电路。该控制电路包括:校准电流发生器,用于产生校准电流,并且连接至一对校准端子,用于经由一对校准端子向校准电流路径提供校准电流;以及电压分析仪,其连接至一对换能器端子,用于接收在一对换能器端子之间感应的校准响应电压分量。

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