电网扰动时逆变器同步角精度的评估

IF 1 4区工程技术 Q4 INSTRUMENTS & INSTRUMENTATION

Metrology and Measurement Systems Pub Date : 2023-07-20 DOI:10.24425/MMS.2020.132780

W. Jarzyna, Dariusz Zieliński, K. Gopakumar

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引用次数: 11

摘要

并网逆变器根据瞬时电压相位角与电网同步。这个角度是通过所谓的同步算法来计算的。在电网扰动期间，它以一定的精度进行估计，该精度因不同的扰动而变化，并取决于算法的选择。这里给出的测试确定了如何对同步算法进行最佳选择。所采用的研究方法有建模、仿真和分析所获得的结果。最重要的结果之一是确定均方根同步误差及其动力学含义。该研究结论应引起具有大量逆变器能源的分布式能源系统的设计者的特别兴趣。

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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An evaluation of the accuracy of inverter sync angle during the grid's disturbances

The grid-tied inverter synchronizes with the network on the basis of the instantaneous voltage phase angle. This angle is computed by the so-called synchronization algorithms. During grid disturbances, it is estimated with a certain accuracy, which varies for diﬀerent disturbances and depends on the choice of algorithm. The tests presented here determine how to make an optimal selection of the synchronization algorithm. The research methods used are modeling, simulation and analysis of the results obtained. One of the most important outcomes is the determination of the root-mean-square sync error and its dynamics denotation. The research conclusions should be of particular interest to designers of distributed energy systems with a large number of inverter energy sources.

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来源期刊

Metrology and Measurement Systems INSTRUMENTS & INSTRUMENTATION-

CiteScore

2.00

自引率

10.00%

发文量

审稿时长

6 months

期刊介绍： Contributions are invited on all aspects of the research, development and applications of the measurement science and technology. The list of topics covered includes: theory and general principles of measurement; measurement of physical, chemical and biological quantities; medical measurements; sensors and transducers; measurement data acquisition; measurement signal transmission; processing and data analysis; measurement systems and embedded systems; design, manufacture and evaluation of instruments. The average publication cycle is 6 months.