研究目的
To propose a power flow algorithm that applies the Newton–Raphson technique to handle multiple PV systems with an LCF for a faster calculation in a three-phase unbalanced distribution system.
研究成果
The developed PFA integrates PV output calculations with the Newton–Raphson method, resulting in a 29.9-fold shorter calculation time than the conventional algorithm, making it more effective for power flow analysis in systems with multiple PV systems.
研究不足
The conventional algorithm requires a lengthy calculation time. The developed PFA addresses this by integrating PV output calculations with the Newton–Raphson method for faster computation.
1：Experimental Design and Method Selection
The developed power flow algorithm integrates PV output calculations, in terms of the equivalent real and reactive power equation of a three-phase electrical system, using a Jacobian matrix of Newton–Raphson method.
2：Sample Selection and Data Sources
The algorithm was demonstrated in a modified 19-node distribution system with 18 connected PV systems.
3：List of Experimental Equipment and Materials
PV systems with local control function (LCF), three-phase unbalanced distribution system.
4：Experimental Procedures and Operational Workflow
The algorithm involves calculating real and reactive power generation from each PV system, performing power flow analysis, and updating system voltage until convergence is achieved.
5：Data Analysis Methods
The effectiveness of the algorithm was evaluated based on calculation speed and accuracy in voltage profile results.
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