Improving the Computer Aided Power System Operation in Ecuador: Enhancements to SCADA/EMS

2015 Asia-Pacific Conference on Computer Aided System Engineering Pub Date : 2015-07-14 DOI:10.1109/APCASE.2015.21

J. Cepeda, Gabriel Rivera, Lourdes Farinango

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引用次数: 3

Abstract

SCADA (supervisory control and data acquisition) is a sophisticated system that allows controlling devices via coded signals into communication channels. Its main function is to allow the control of remote power system devices from a remote control center. In addition to the SCADA, complex software is required in order to analyze the data obtained from the system. Without proper analysis, the operator might not be able to take a correct decision of operation. Therefore, Energy Management Systems (EMS) have been designed with the aim of aiding power system operators to carry out the better decision making in real time. CENACE, as the Ecuadorian Power System Operator, has a SCADA/EMS system that is currently facing a full upgrade. Among this upgrade, the problem of lack of adequate modeling of three-winding transformers with tap changers has been addressed by this paper. Thus, a novel three-winding transformer model has been proposed and implemented in the new EMS version at CENACE. State estimation results obtained after implementation of the modeling changes demonstrate the benefits of the proposed model.

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改进厄瓜多尔计算机辅助电力系统运行:SCADA/EMS的改进

SCADA(监控和数据采集)是一个复杂的系统，它允许通过编码信号进入通信通道来控制设备。其主要功能是允许从远程控制中心对远程电力系统设备进行控制。除了SCADA之外，还需要复杂的软件来分析从系统中获得的数据。没有适当的分析，操作员可能无法作出正确的操作决定。因此，能源管理系统(EMS)的设计旨在帮助电力系统运营商进行更好的实时决策。CENACE作为厄瓜多尔电力系统运营商，其SCADA/EMS系统目前正面临全面升级。在这次升级中，本文解决了带分接开关的三绕组变压器缺乏充分建模的问题。因此，提出了一种新的三绕组变压器模型，并在CENACE的新EMS版本中实现。在实现建模更改后获得的状态估计结果证明了所提出模型的优点。

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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2015 Asia-Pacific Conference on Computer Aided System Engineering

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