一种创新的生物启发的GA和PSO算法的实现,用于考虑蒸汽GT动态的控制器设计
Implementation of an Innovative Bio Inspired GA and PSO Algorithm for Controller design considering Steam GT Dynamics
摘要:
近年来,生物算法在复杂电力系统稳定问题中的应用成为人工智能领域的研究热点。电力系统中扰动后的低频振荡,如果没有得到足够的阻尼,会使系统不稳定。本文提出了一种基于生物遗传算法和粒子群优化算法的低频振荡阻尼系统。所提出的控制器的设计是基于制定一个系统阻尼比增强的优化标准,以计算最佳的控制器参数,更好的稳定性。本论文的创新点在于对同步发电机模型进行了数学建模和仿真,包括汽轮机调速器的动态特性。为了显示所提出的控制器的鲁棒性,非线性时域仿真已经在各种系统操作条件下进行。此外,一个详细的比较研究已经完成,以显示基于生物启发算法的控制器比传统的领先滞后控制器的优越性。
英文摘要:
The Application of Bio Inspired Algorithms to complicated Power System Stability Problems has recently attracted the researchers in the field of Artificial Intelligence. Low frequency oscillations after a disturbance in a Power system, if not sufficiently damped, can drive the system unstable. This paper provides a systematic procedure to damp the low frequency oscillations based on Bio Inspired Genetic (GA) and Particle Swarm Optimization (PSO) algorithms. The proposed controller design is based on formulating a System Damping ratio enhancement based Optimization criterion to compute the optimal controller parameters for better stability. The Novel and contrasting feature of this work is the mathematical modeling and simulation of the Synchronous generator model including the Steam Governor Turbine (GT) dynamics. To show the robustness of the proposed controller, Non linear Time domain simulations have been carried out under various system operating conditions. Also, a detailed Comparative study has been done to show the superiority of the Bio inspired algorithm based controllers over the Conventional Lead lag controller.
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