研究目的
To present a new approach of large-scale photovoltaic solar farm inverter as STATCOM, known as PV-STATCOM, for regulation of voltage at the point of common coupling which recovers the voltage stability of the transmission line.
研究成果
The paper concludes that the PV-STATCOM can effectively regulate voltage at the PCC during both day and night, providing reactive power compensation when needed. The use of a multilevel inverter reduces the need for heavy and complex filters.
研究不足
The study is based on simulation results using MATLAB/SIMULINK, and real-world implementation may face challenges such as the cost and reliability of VSC based controllers.
1：Experimental Design and Method Selection:
The study involves the use of a multilevel inverter, specifically a cascaded H-bridge inverter, for the PV-STATCOM application. The methodology includes the design and simulation of the system using MATLAB/SIMULINK.
2：Sample Selection and Data Sources:
The system under study includes a generator, transmission line, transformers, and a PV-STATCOM connected at the center of the transmission line.
3：List of Experimental Equipment and Materials:
The equipment includes a five-level cascaded H-bridge inverter, DC-link capacitor, and various transformers and transmission lines.
4：Experimental Procedures and Operational Workflow:
The system is simulated under different loading conditions to study the voltage regulation at the point of common coupling (PCC) using the PV-STATCOM.
5：Data Analysis Methods:
The simulation results are analyzed to validate the effectiveness of the PV-STATCOM in regulating voltage at the PCC.
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