Stabilization characteristics of user load equipped with electric spring for various types of line impedance

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society Pub Date : 2019-10-01 DOI:10.1109/IECON.2019.8927416

Stefano Giacomuzzi, G. Buja, Qingsong Wang, M. Bertoluzzo

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引用次数: 3

Abstract

In the last years, Renewable Energy Sources (RESs) have increasingly contributed to the power delivered by the grid. Despite the environmental benefits made by RESs, their unpredictable power production is responsible of variations in the voltage of the distribution lines that can be disruptive for the functioning of the supplied loads. Electric Spring (ES) is a device that faces such an issue by stabilizing the supply voltage of the critical load of a user in a simple but effective way. This paper is concerned with the stabilization characteristics of a user load supplied by a low-voltage distribution line and equipped with a reactive power-operated ES. After working out an ES model that facilitates the analysis of an ES-equipped user load, its stabilization characteristics are found for three types of line impedance, namely pure resistive, pure inductive and resistive-inductive. Comparison of the resultant characteristics shows the different performance of the ES-equipped user load under various types of line impedance.

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用户负载的稳定特性配备电弹簧对各种类型的线路阻抗

在过去的几年里，可再生能源(RESs)对电网输送的电力贡献越来越大。尽管RESs带来了环境效益，但其不可预测的电力生产是配电线路电压变化的原因，这可能会破坏供电负载的功能。电子弹簧(ES)是一种解决这一问题的设备，它通过一种简单而有效的方式稳定用户临界负载的供电电压。本文研究了由低压配电线路供电并装有无功ES的用户负荷的稳定特性。通过建立ES模型，便于对配备ES的用户负载进行分析，得到了ES在纯电阻、纯电感和电阻-电感三种线路阻抗下的稳定特性。通过对结果特性的比较，可以看出es用户负载在不同类型的线阻抗下的不同性能。

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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IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society

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