研究目的
Investigating the integration of a modified single-ended primary inductor converter (M-SEPIC) based PV inverter with an Active Power Filter (APF) to improve power quality in photovoltaic systems.
研究成果
The proposed PV-APF system with an M-SEPIC converter effectively improves power quality by compensating for harmonics and enhancing power factor. The system demonstrates high efficiency and low switching losses, making it a viable solution for integrating renewable energy sources into the grid.
研究不足
The study is based on simulation results, and practical implementation challenges such as component tolerances, environmental conditions, and real-time control complexities are not addressed.
1：Experimental Design and Method Selection:
The study proposes a three-phase three-wire system integrating a PV generator with an M-SEPIC converter for high voltage conversion and an APF for power quality improvement. The system employs maximum power point tracking (MPPT) and space vector modulation (SVM) control for enhanced performance.
2：Sample Selection and Data Sources:
The study focuses on a PV system connected to nonlinear loads, simulating typical residential or commercial applications.
3：List of Experimental Equipment and Materials:
Includes a PV generator, M-SEPIC converter, voltage source converter (VSC), and filters for harmonic elimination.
4：Experimental Procedures and Operational Workflow:
The system is designed to simultaneously compensate for power factor, current abnormality, and distortions, while injecting the generated PV power into the utility grid.
5：Data Analysis Methods:
The performance is evaluated through simulation, focusing on total harmonic distortion (THD) and power factor improvement.
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