研究目的
To control the PV output fluctuation by ramp-limit control using ESS to improve grid stability and reduce power fluctuations.
研究成果
The study demonstrates that integrating a BESS with a PV system using ramp rate control can effectively mitigate power fluctuations caused by cloud passing, thereby improving grid stability. The simulation results show that the system can supply stable power to the grid irrespective of changes in irradiation and temperature.
研究不足
The study is based on simulation results and may need further validation through real-world implementation. The design considers worst-case fluctuation scenarios, which may not always be present in actual operation.
1:Experimental Design and Method Selection:
The study employs a ramp rate control method with a battery energy storage system (BESS) to mitigate PV power variations. The methodology includes designing a BESS for a 500 kW solar PV power plant and validating the control scheme in MATLAB/Simulink environment.
2:Sample Selection and Data Sources:
The study considers a 500 kW solar photovoltaic power plant and uses simulation data to validate the control scheme.
3:List of Experimental Equipment and Materials:
The system includes a PV system, a battery storage system, and electronic components like inverters and converters.
4:Experimental Procedures and Operational Workflow:
The BESS is controlled based on the characteristic of the desired ramp-rate to smooth PV output power. The system's performance is tested under normal and severe solar variability conditions.
5:Data Analysis Methods:
The study uses simulation results to analyze the effectiveness of the ramp rate control in maintaining system stability and reducing power fluctuations.
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