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Experimental Setup for Harmonic Impedance Measurement in a Real HV Power Grid

机译：实际高压电网中谐波阻抗测量的实验装置

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摘要

The article describes an experimental setup constructed for the verification of harmonic impedance (HI) measurement method in a real HV power grid. The setup is located in a 110 kV distribution substation in Poland. It includes voltage measurement circuits based on wideband resistive voltage dividers, multiple current measurement circuits, and distributed time synchronized data acquisition system. The whole setup is able to simultaneously sample 3 voltage and 12 current signals and record data on a dedicated data server. The details of the setup construction are presented. Some guidelines, based on experiences, are given on how to prepare such setup. Additionally a result of a preliminary experiment, in which the HI of the supply system was measured, is shown to confirm capabilities of the setup.
机译：本文介绍了一种用于验证实际高压电网中谐波阻抗（HI）测量方法的实验装置。该设备位于波兰的一个110 kV配电变电站中。它包括基于宽带电阻分压器的电压测量电路，多个电流测量电路以及分布式时间同步数据采集系统。整个设置能够同时采样3个电压和12个电流信号，并将数据记录在专用数据服务器上。介绍了安装结构的详细信息。根据经验，给出了一些有关如何准备此类设置的准则。此外，还显示了初步实验的结果，其中测量了供应系统的HI，以确认设置的功能。

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