利用宽带测量完成利用电压电力系统阻抗的表征

Proceedings of 1996 IAS Industrial and Commercial Power Systems Technical Conference Pub Date : 1996-05-06 DOI:10.1109/ICPS.1996.533946

J. Rhode, A. Kelley, M. Baran

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引用次数: 82

摘要

本文介绍了一种廉价的便携式仪器，用于测量用电电压电力系统的阻抗。在电力系统正常运行时，在20hz ~ 24khz的带宽范围内测量线对中性点、线对地和中性点对地的阻抗。测量的阻抗表示为随频率变化的电阻和电感。根据测量结果，进行额外的计算以找出系统中每个导体的电阻和电感。这一完整的宽带电力系统阻抗特性为电能质量计算提供了有价值的数据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Complete characterization of utilization-voltage power system impedance using wideband measurement

Inexpensive portable instrumentation is used to measure the impedance of an example utilization-voltage power system. With the power system in normal operation, line-to-neutral, line-to-ground, and neutral-to-ground impedances are measured over a bandwidth of 20 Hz to 24 kHz. The measured impedance is presented as resistance and inductance which vary with frequency. Based on the measurements, additional calculations are performed to find the resistance and inductance of every conductor in the system. This complete wideband characterization of power system impedance provides valuable data for power quality calculations.

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Proceedings of 1996 IAS Industrial and Commercial Power Systems Technical Conference

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