Coordinated design of power system stabilizers and TCSC employing improved harmony search algorithm

作     者：Naresh, G. Raju, M. Ramalinga Narasimham, S. V. L. 

作者机构：Pragati Engn Coll Dept EEE Surampalem Andhra Pradesh India JNTUK Univ Coll Engn Kakinada Dept EEE Kakinada Andhra Pradesh India JNTUH Sch Informat Technol Dept CSE Hyderabad Andhra Pradesh India 

出 版 物：《SWARM AND EVOLUTIONARY COMPUTATION》 (群与进化计算)

年 卷 期：2016年第27卷

页      面：169-179页

核心收录：

学科分类：08[工学] 0812[工学-计算机科学与技术（可授工学、理学学位）] 

主　　题：Damping Improved Harmony Search Algorithm Power System Stabilizers TCSC 

摘      要：Power System Stabilizers (PSS) are generally employed to damp electromechanical oscillations by providing auxiliary stabilizing signals to the excitation system of the generators. But it has been found that these Conventional PSS (CPSS) do not provide sufficient damping for inter-area oscillations in multi machine power systems. Thyristor Controlled Series Capacitor (TCSC) has immense potential in damping of inter-area power swings and in mitigating the sub-synchronous resonance. In this paper Improved Harmony Search Algorithm (IHSA) has been proposed for coordinated design of multiple PSS and TCSC in order to effectively damp the oscillations. The results obtained by using IHSA on WSCC 3-machine, 9-bus system are found to be superior compared to the results obtained using Bacterial Swarm Optimization (BSO) algorithm. The damping performance of conventional PSS and TCSC controllers is also compared with coordinated design of IHSA based PSS and TCSC on New England 10-machine, 39-bus system over wide range of operating conditions and contingencies. To demonstrate the effectiveness of the proposed technique the results obtained on this test system are also compared with the results obtained with Genetic Algorithm (GA), Particle Swarm Optimization (PSO), Harmony Search Algorithm (HSA) and Bacterial Swarm Optimization (BSO). (C) 2015 Elsevier B.V. All rights reserved.