国家试验站交流比较器15万A暂态电流测量

IEEE Instrumentation and Measurement Technology Conference Sensing, Processing, Networking. IMTC Proceedings Pub Date : 1997-05-19 DOI:10.1109/IMTC.1997.603977

S. Ren, Wenyi Hu, Sunan Lu

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引用次数: 0

摘要

介绍了一种基于自平衡式交流电流比较器的15万A暂态电流测量装置，可用于国家试验站和工业大电流系统的校准和测量。对比较器的测试表明，在一次瞬态电流为150000 a、直流分量100%全偏置、一次电流时间常数为150ms的条件下，比较器的暂态电流容限小于1%。讨论了瞬态性能和试验结果。

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A 150,000-A transient current measurement of AC comparator for national test station

A 150,000-A transient current measurement device based on self-balancing AC current comparator type, which can be used in National Test Station and industrial heavy current system for calibration and measurement is presented. Testing of the comparator indicates that its transient current tolerance is less than 1% under the conditions of 150,000-A primary transient current, 100% full offset DC component, and 150 ms time constant of primary current. The transient performance and the test results are discussed.

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IEEE Instrumentation and Measurement Technology Conference Sensing, Processing, Networking. IMTC Proceedings

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