Dynamic Multimachine Modeling and Optimal Tuning of Automatic Generation Control

IF 1.3 4区工程技术 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Latin America Transactions Pub Date : 2024-01-23 DOI:10.1109/TLA.2024.10412029

Jose Enriquez;Jaime Cepeda;Oscar de Lima

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引用次数: 0

Abstract

This article describes the control scheme of an actual SCADA/EMS AGC (Automatic Generation Control) function and proposes a methodology for tuning the parameters of both generation units and AGC control systems. AGC tuning is split into two stages: unit control logic parameters and AGC system. In order to determine the optimal parameters, the application of a heuristic optimization algorithm, named MVMO (Mean-Variance Mapping Optimization), is proposed to solve a defined optimization problem. The proposed tuning methodology is validated using a realistic simulation environment named Operator Training Simulator (OTS). In addition, AGC system parameters are determined from real SCADA records and primary frequency response (PFR) obtained from frequency events recorded by the Ecuadorian WAMS (Wide Area Monitoring System). Finally, the AGC system is modeled in PowerFactory with the aim of achieving a realistic AGC model, considering a multimachine power system. For this aim, AGC control is implemented considering the realistic four-seconds sampling period related to a SCADA/EMS and the implementation of a filter that measures the rate of change of frequency (ROCOF) for allowing the primary frequency control to be previously performed. This model is then validated by simulations of generation outage events using a reduced model of the Ecuador-Colombia interconnected power system in PowerFactory.

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多机动态建模和自动发电控制的优化调整

本文介绍了实际 SCADA/EMS AGC（自动发电控制）功能的控制方案，并提出了调整发电设备和 AGC 控制系统参数的方法。AGC 调整分为两个阶段：机组控制逻辑参数和 AGC 系统。为了确定最佳参数，建议应用一种名为 MVMO（均值-方差映射优化）的启发式优化算法来解决确定的优化问题。提议的调整方法通过名为 "操作员培训模拟器"（OTS）的现实模拟环境进行了验证。此外，还根据 SCADA 的真实记录和厄瓜多尔 WAMS（广域监控系统）记录的频率事件获得的主频率响应 (PFR) 确定了 AGC 系统参数。最后，在 PowerFactory 中对 AGC 系统进行建模，目的是在考虑到多机电力系统的情况下，实现逼真的 AGC 模型。为此，考虑到与 SCADA/EMS 相关的实际四秒采样周期，并实施了测量频率变化率（ROCOF）的滤波器，以便先前执行主频率控制，从而实现了 AGC 控制。然后，利用 PowerFactory 中厄瓜多尔-哥伦比亚互联电力系统的简化模型，通过模拟停电事件对该模型进行了验证。

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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来源期刊

IEEE Latin America Transactions COMPUTER SCIENCE, INFORMATION SYSTEMS-ENGINEERING, ELECTRICAL & ELECTRONIC

CiteScore

3.50

自引率

7.70%

发文量

192

审稿时长

3-8 weeks

期刊介绍： IEEE Latin America Transactions (IEEE LATAM) is an interdisciplinary journal focused on the dissemination of original and quality research papers / review articles in Spanish and Portuguese of emerging topics in three main areas: Computing, Electric Energy and Electronics. Some of the sub-areas of the journal are, but not limited to: Automatic control, communications, instrumentation, artificial intelligence, power and industrial electronics, fault diagnosis and detection, transportation electrification, internet of things, electrical machines, circuits and systems, biomedicine and biomedical / haptic applications, secure communications, robotics, sensors and actuators, computer networks, smart grids, among others.