局部放电校准器的校准方法

1998 Conference on Precision Electromagnetic Measurements Digest (Cat. No.98CH36254) Pub Date : 1998-07-06 DOI:10.1109/CPEM.1998.699868

O. Gunnarsson, A. Bergman, K. Rydler

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引用次数: 16

摘要

提出了一种基于感应电荷被动积分的局部放电校准器标定方法。通过校准的数字采样电压表测量已知电容上的电压，并计算电压乘以电容的电荷。当覆盖因子k=2时，获得的最佳不确定度为/spl + /2%。

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A method for calibration of partial discharge calibrators

A method for calibration of partial discharge calibrators has been developed based on passive integration of the induced charge. The voltage over a known capacitor is measured by a calibrated digital sampling voltmeter and the charge is calculated as the voltage multiplied by the capacitance. The best achieved uncertainty is /spl plusmn/2% for a coverage factor k=2.

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来源期刊

1998 Conference on Precision Electromagnetic Measurements Digest (Cat. No.98CH36254)

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