Performance comparison of TCSC with TCPS and SSSC controllers in AGC of realistic interconnected multi-source power system
Performance comparison of TCSC with TCPS and SSSC controllers in AGC of realistic interconnected multi-source power system
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DOI：
10.1016/j.asej.2015.11.012
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发表时间：
2016-03-01
影响因子：
6
通讯作者：
Hagh, Mehrdad Tarafdar
中科院分区：
文献类型：
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作者：
Morsali, Javad;Zare, Kazem;Hagh, Mehrdad Tarafdar
在互连电力系统的自动发电控制（AGC）研究中采用串联柔性交流输电系统（FACTS）的主要目标是减轻区域频率和联络线功率振荡。本文将晶闸管控制串联电容器（TCSC）作为阻尼控制器与晶闸管控制移相器（TCPS）和静态同步串联补偿器（SSSC）串联FACTS阻尼控制器的动态性能进行了比较。阻尼控制器的结构采用常用的超前滞后控制器。基于小信号负载扰动的泰勒级数展开，对 TCSC 在联络线电力交换中的影响进行了数学建模。将所提出的 TCSC 控制器与积分 AGC 配合的性能与 TCPS-AGC 和 SSSC-AGC 的情况进行了比较。采用改进的粒子群优化（IPSO）算法和时间乘方误差积分（ITSE）性能指标来设计阻尼控制器。针对发电率约束 (GRC) 和调速器死区 (GDB) 的非线性效应，评估每个区域均由再热热力、水力和天然气机组发电的两区域电力系统。 MATLAB/SIMULINK环境中的仿真结果表明，所提出的TCSC-AGC在抑制区域频率和联络线振荡方面比其他TCSC-AGC具有更优越的性能。此外，还进行了敏感性分析以显示 TCSC-AGC 具有更高的鲁棒性。 (C) 2015 年艾因夏姆斯大学工程学院。由 Elsevier B.V 制作和托管。这是一篇遵循 CC BY-NC-ND 许可证 (http://creativecommons.org/licenses/by-nc-nd/4.0/) 的开放获取文章。
The primary goals of employing series flexible ac transmission system (FACTS) in automatic generation control (AGC) studies of interconnected power systems are mitigating area frequency and tie-line power oscillations. This paper compares dynamic performance of thyristor controlled series capacitor (TCSC) as damping controller with thyristor controlled phase shifter (TCPS) and static synchronous series compensator (SSSC) which are series FACTS damping controllers. Commonly used lead-lag controllers are used in structure of damping controllers. The effect of TCSC in tie-line power exchange is modeled mathematically based on the Taylor series expansion for small-signal load disturbance. The performance of the proposed TCSC controller in coordination with integral AGC is compared with cases of TCPS-AGC and SSSC-AGC. An improved particle swarm optimization (IPSO) algorithm and integral of time multiplied squared error (ITSE) performance index are used to design the damping controllers. A two-area power system having generations from reheat thermal, hydro, and gas units in each area is evaluated regarding nonlinearity effects of generation rate constraint (GRC) and governor dead band (GDB). The simulations results in MATLAB/SIMULINK environment show that the proposed TCSC-AGC yields superior performance than others in damping of area frequencies and tie-line oscillations. Furthermore, sensitivity analyses are performed to show greater robustness of TCSC-AGC. (C) 2015 Faculty of Engineering, Ain Shams University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).