隔离电流互感器现场标定系统

CPEM 2010 Pub Date : 2010-06-13 DOI:10.1109/CPEM.2010.5545013

E. Mohns

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引用次数: 1

摘要

介绍了一种三相隔离电流互感器现场标定系统。它基于发货给客户的精确功率比较器。测试电流可达120a。自校正测量系统的测量不确定度在比值误差为0.005%左右，在工频相位位移为0.01克拉左右。

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On-site calibration system for isolation current transformers

An on-site calibration system for three-phase isolation current transformers is described. It is based on precise power comparators which are shipped to the customer. Measurements can be done at test currents up to 120 A. The measurement uncertainties of the self-calibrating measurement system are in the order of 0.005 % for the ratio error and 0.01 crad for the phase displacement at power frequencies.

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来源期刊

CPEM 2010

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