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Robust Voltage/VAR Control Using PSO Based STATCOM: A Case Study in Turkey

机译:基于PSO的STATCOM的稳健电压/无功控制:土耳其的案例研究

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In this paper, voltage stability assessment of a real power system subjected to a large disturbance is introduced by a combination of static and dynamic approaches. In the first part of the study, the system is analyzed for both normal operation and contingencies by using static analysis tool in which continuation power flow method (CPF) is performed. In order to improve static and dynamic voltage stability, a shunt flexible AC transmission system (FACTS) device, static synchronous compensator (STATCOM) is employed to the system as an additional voltage support device. However, action of the STATCOM is directly influenced by proper functioning of the controller. Poorly tuned STATCOM controller results in voltage oscillations. Main purpose of the paper is optimal parameter tuning of the STATCOM in order to improve the dynamic voltage control capability in the case of occurence of a severe disturbance in the power system. Therefore, in the second part of the study, the tuning problem of the STATCOM is converted to an optimization problem which minimizes the voltage deviations. Particle swarm optimization (PSO) technique is applied to the problem in search of the optimal control parameters of the STATCOM.
机译:本文通过静态和动态两种方法相结合的方法,介绍了遭受较大干扰的有功电力系统的电压稳定性评估。在研究的第一部分中,使用静态分析工具对系统的正常运行和意外情况进行了分析,在该工具中执行了连续功率流方法(CPF)。为了提高静态和动态电压稳定性,系统采用了并联柔性交流输电系统(FACTS)设备,静态同步补偿器(STATCOM)作为附加的电压支持设备。但是,STATCOM的动作直接受到控制器正常运行的影响。 STATCOM控制器调谐不良会导致电压振荡。本文的主要目的是优化STATCOM的参数,以在电力系统发生严重干扰的情况下提高动态电压控制能力。因此,在研究的第二部分中,STATCOM的调谐问题被转换为最小化电压偏差的优化问题。粒子群优化(PSO)技术应用于该问题,以寻求STATCOM的最佳控制参数。

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