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首页> 外文期刊>Renewable Power Generation, IET >Comparative performance evaluation of WCA-optimised non-integer controller employed with WPG–DSPG–PHEV based isolated two-area interconnected microgrid system
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Comparative performance evaluation of WCA-optimised non-integer controller employed with WPG–DSPG–PHEV based isolated two-area interconnected microgrid system

机译：基于WPG-DSPG-PHEV的WCA优化的非整数控制器的比较性能评估基于WPG-DSPG-PHEV的孤立的两个区域互连的微电网系统

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摘要

This study endeavours an effective frequency control of renewable-based isolated two-area interconnected microgrid (IC mu G) without battery, incorporating wind power generation in area-1, dish-Stirling solar power generation system in area-2 and other common distributed generation systems such as diesel engine driven generator, plug-in hybrid electric vehicle, heat pump and freezer in both the areas. A recently developed heuristic optimisation technique called water cycle algorithm (WCA) is applied to optimally tune the parameters of the non-integer fractional-order proportional-integral-derivative (FOPID) controllers employed with IC mu G. Application of WCA-based FOPID controllers in frequency control two-area IC mu G without battery is a novel work. The comparative performance analysis of proportional-integral-derivative (PID), PID with filter and non-integer order-based FOPID controller with their gains tuned by particle swarm optimisation (PSO), improved PSO, firefly algorithm and WCA algorithms indicates the superiority of WCA-based FOPID controller's under different case studies (considering different load disturbances, wind speed variation with real data, and solar irradiance) in terms of frequency deviation, tie-line power, and objective function. Furthermore, the sensitivity analysis contemplates that WCA-optimised FOPID controller can withstand +/- 25% change in synchronising coefficient, +20% change in loading condition and +/- 25% change in frequency bias constant without resetting the gain values.
机译：本研究努力，无需电池的可再生基于两区域互联的微电网（IC MU G）的有效频率控制，在区域-1和其他普通分布生成中将风力发电结合在区域-1，斯特林太阳能发电系统中柴油发动机驱动发电机等系统，在两个区域中的插入式混合动力电动车，热泵和冰箱。最近开发的启发式优化技术称为水循环算法（WCA），应用于最佳地调整与IC MU G采用的非整数分数比例 - 积分 - 积分衍生物（FOPID）控制器的参数。基于WCA的FoPID控制器应用在频率控制中，两区域IC MU G没有电池是一种新颖的工作。比例积分衍生物（PID）的比较性能分析，PID与滤波器和基于非整数顺序的FoPID控制器，其提升由粒子群优化（PSO）调整，改进的PSO，萤火虫算法和WCA算法表示优势基于WCA的FoPID控制器在不同的案例研究（考虑到不同的负载障碍，在频率偏差，扎线电源和客观函数方面考虑实际数据和太阳辐照度的风速变化。此外，敏感性分析考虑了WCA优化的FoPID控制器可以承受同步系数的变化+/- 25％，加载条件的+ 20％变化和频率偏置恒定的+/- 25％变化而不重置增益值。

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