增加采样率下瞬时电气工作参数的测定

2020 International Conference on Electrotechnical Complexes and Systems (ICOECS) Pub Date : 2020-10-27 DOI:10.1109/ICOECS50468.2020.9278482

P. Kovalenko, M. Senyuk, A. Dmitrieva

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引用次数: 2

摘要

提出了一种时延小于一个工频周期的电气运行参数快速评定算法。研究了用欧拉法表示信号时确定基频的方法，开发了两种基于电压信号确定三相网络同步频率的算法，并确定了算法的适用范围。选取STC UPS、JSC电动力模拟器中的暂态计算模型和500kv电网的稳态数据进行试验。对每一种数据类型，得到了算法确定运行参数时的延时值。

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Determination of The Instantaneous Electrical Operating Parameters With an Increased Sampling Rate

The paper presents the algorithm for the rapid assessment of electrical operating parameters with a delay of less than one industrial frequency period. The method for setting the basic frequency when representing a signal by the Euler method was studied, as well as two algorithms for determining the synchronous frequency in a three-phase network based on voltage signals were developed, with determining the scope of the algorithm. The computational model of the transient in the electrodynamic simulator of STC UPS, JSC, and the steady-state data in a 500 kV grid were chosen for the tests. The delay values in determining the operating parameters by the algorithm are obtained for each data type.

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2020 International Conference on Electrotechnical Complexes and Systems (ICOECS)

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