研究目的
To present a photovoltaic (PV) emulator based on Power Hardware in the Loop Simulation (PHILS) for grid integration studies, focusing on the stability and accuracy of the PHILS by utilizing an advanced control algorithm to extend the bandwidth of a switched mode buck-based power amplifier (PA).
研究成果
The paper concludes that the proposed solar PV emulator using PHILS for grid interface studies, with a fast-dynamic boundary control scheme for the PA, minimizes overall latency and provides a stable and accurate emulation of PV characteristics. Experimental results closely match theoretical and simulation models, validating the system's effectiveness.
研究不足
The interface introduces additional time delays and dynamics that do not exist in the original circuit, which could affect the accuracy and stability of PHILS. The system's performance is dependent on the bandwidth of the power amplifier and the simulation time step in the RTS.
1：Experimental Design and Method Selection:
The methodology involves the use of PHILS for PV emulation, employing a switched mode buck-based power amplifier with an advanced control algorithm to enhance bandwidth and reduce latencies.
2：Sample Selection and Data Sources:
The PV array model is simulated in a real-time digital simulator (RTDS), and the system is tested with resistive loads ranging from 5 ? to 200 ?.
3：List of Experimental Equipment and Materials:
A 260 W buck converter prototype is designed and implemented, including a TI TMS320F28377S microcontroller for control scheme implementation.
4：Experimental Procedures and Operational Workflow:
The system's performance is validated through steady-state and transient condition tests, comparing results with EMT simulation.
5：Data Analysis Methods:
The experimental results are analyzed to validate the accuracy and dynamic response of the PHIL PV emulator.
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