Automatic generation control of three area hydro-thermal power systems with electric and mechanical governor

2014 IEEE International Conference on Computational Intelligence and Computing Research Pub Date : 2014-12-01 DOI:10.1109/ICCIC.2014.7238280

K. Jagatheesan, B. Anand

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引用次数: 17

Abstract

This paper presents the dynamic performance of interconnected three area hydrothermal power systems with conventional controllers. In this work, area 1 and area 2 consists of thermal power plant while area 3 consists of hydro power plant. The thermal and hydro power plant incorporate with reheat turbine and either mechanical governor or electric governor respectively. The conventional Proportional Integral (PI) controller is used in load frequency control. The Integral Time Absolute Error (ITAE) optimization criterion is used for the design of conventional controller gain. Performance of mechanical and electric governor is compared with and without considering generation rate constraint effects. Also the performance of Electric governor is studied with Integral (I) and Proportional Integral (PI) controller. The simulation result shows that electric governor improves the control performance more efficiently than the mechanical governor. One percentage of step load has been considered in either area of the system for this investigation.

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电、机调速器三区水火发电系统自动发电控制

本文研究了采用常规控制器的三区水热发电系统的动态特性。在本工程中，1区和2区为火电厂，3区为水电厂。火电厂和水电厂分别由再热轮机和机械调速器或电动调速器组成。负载频率控制采用传统的比例积分(PI)控制器。传统的控制器增益设计采用积分时间绝对误差(ITAE)优化准则。在考虑发电速率约束效应和不考虑发电速率约束效应的情况下，比较了机械调速器和电动调速器的性能。采用积分(I)和比例积分(PI)控制器对电调速器的性能进行了研究。仿真结果表明，电控调速器比机械调速器更有效地改善了控制性能。在本调查中，系统的任何一个区域都考虑了一个百分比的阶跃负荷。

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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2014 IEEE International Conference on Computational Intelligence and Computing Research

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