研究目的
Investigating the implementation of a double stage solar photovoltaic (PV) single phase grid connected system using correntropy based control algorithm to improve power quality by obtaining sinusoidal grid currents in the presence of nonlinear loads.
研究成果
The correntropy based control algorithm effectively improves power quality in a single phase double stage solar PV integrated system, achieving sinusoidal grid currents and high MPPT efficiency under various adverse conditions. The system complies with the IEEE 519 harmonic standard.
研究不足
The study focuses on a single phase grid connected system and may not directly apply to three-phase systems. The performance under extreme weather conditions or with different types of nonlinear loads is not extensively covered.
1：Experimental Design and Method Selection:
The study employs a correntropy based control algorithm for a double stage solar PV grid connected system, focusing on improving power quality and MPPT efficiency.
2：Sample Selection and Data Sources:
The system includes a solar PV array, a single phase grid, a VSC, a DC link capacitor, a boost converter, a ripple filter, an interfacing inductor, and nonlinear loads.
3：List of Experimental Equipment and Materials:
Solar PV simulator (AMETEK Make ETS60017DPVF), DSP (dSPACE-1103), Hall Effect current sensors (LEM make LV25-P), Hall Effect voltage sensors (LEM make LA55-P).
4：Experimental Procedures and Operational Workflow:
The system is tested under various conditions including steady state, decrease in insolation, increase in load, and sudden solar PV insolation change to zero.
5：Data Analysis Methods:
The performance is evaluated based on THD levels in the grid current, MPPT efficiency, and power quality improvement.
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