研究目的
To enable modern photovoltaics (PVs) with large penetration amounts to participate effectively in the load frequency control in the interconnected power systems, in which frequency and tie-line power sharing deviations exist.
研究成果
The developed PSO-WOA approach demonstrates satisfactory results in terms of system performance indices, outperforming individual PSO and WOA controllers. It benefits from the exploitation characteristics of PSO and the exploration features of WOA, making it plausible and straightforward for solving engineering problems related to load frequency control in power systems with high PV penetrations.
研究不足
The study focuses on a specific model of interconnected power systems with PV penetrations and may not cover all possible configurations or scenarios. The effectiveness of the PSO-WOA algorithm may vary with different system parameters or under extreme conditions.
1：Experimental Design and Method Selection:
The study involves developing a model for solar PV to study its heavy penetration within interconnected power systems, formulating a time domain objective function based on the norm of the area control error, and developing a combined meta-heuristic algorithm (PSO-WOA) for tuning PI controllers.
2：Sample Selection and Data Sources:
The study uses a linearized model of a hydrothermal interconnected power system consisting of three areas with a virtual mass-less PV resource.
3：List of Experimental Equipment and Materials:
The study involves PI controllers and a combined PSO-WOA algorithm for optimization.
4：Experimental Procedures and Operational Workflow:
The study compares the performance of the developed PSO-WOA algorithm with individual PSO and WOA controllers under various scenarios.
5：Data Analysis Methods:
The study evaluates system performance indices and compares the settling times, overshoots, and undershoots of the system responses.
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