研究目的
Investigating the design and implementation of a multiplier SEPIC converter for a Power-Hardware-in-the-Loop (Power HIL) emulator of a PV system to extract the maximum power from a solar panel.
研究成果
The design, simulation, and emulation of a SEPIC conversion system for a photovoltaic solar panel emulator with MPPT algorithm were successfully demonstrated. The SEPIC converter provided maximum efficiency when the duty cycle was between 30% and 40%. The use of a dSPACE allowed control of the solar panel emulator and the SEPIC converter, facilitating the development of new technologies for renewable energy systems.
研究不足
The SEPIC converter has an efficiency of 75% with ± 8% tolerance, showing a restricted topology with duty variation. Its particular non-linear behavior after 50% means that more robust control strategies must be used to support the stability of the system.
1：Experimental Design and Method Selection:
The design and implementation of a multiplier SEPIC converter for a Power HIL emulator of a PV system. The emulation system was developed in a dSPACE 1104, allowing data exchange from a voltage variable power supply and the SEPIC converter.
2：Sample Selection and Data Sources:
The reference to be emulated is a YINGLI 60 CELL-series of 40mm and reference YL250p-29b.
3：9b. List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: dSPACE 1104, voltage variable power supply, SEPIC converter components including inductors, capacitors, MOSFET, and diode.
4：Experimental Procedures and Operational Workflow:
The system was simulated in SIMULINK with a sample time of 10 μs. The SEPIC was tested in dynamic mode with an irradiance of 1000 W/m2, a temperature of 25°C, and a load of
5：8?. Data Analysis Methods:
The behavior of the MPPT algorithm in the system was analyzed under constant irradiation conditions and dynamic vectors.
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