研究目的
Investigating the combined control strategy of photovoltaic grid-connection, reactive power compensation, and energy storage for a novel energy storage quasi-z source inverter to enhance the stability of grid-connected power and ensure maximum utilization of photovoltaic cell energy efficiency.
研究成果
The proposed combined control strategy for the energy storage type quasi-z source grid-connected PV inverter effectively accomplishes maximum utilization of photovoltaic cell energy efficiency, unit power factor grid-connection, and reactive power compensation for the load. Simulation results validate the strategy's effectiveness and correctness.
研究不足
The study focuses on the system's performance under normal conditions and does not extensively cover scenarios with extreme battery states or environmental conditions. The complexity of nonlinear control algorithms like sliding mode control and neural network control is acknowledged but not deeply explored due to design complexity.
1：Experimental Design and Method Selection:
The study proposes a combined control strategy for a novel energy storage quasi-z source inverter, analyzing different control schemes based on the battery's state.
2：Sample Selection and Data Sources:
The system's performance is evaluated under normal conditions with simulation parameters including inductance, capacitance, battery rating, and load specifications.
3：List of Experimental Equipment and Materials:
Includes inductances L1 and L2, capacitances C1 and C2, a battery, IGBTs (S1—S6), a load, filtering inductance, and a diode D.
4：Experimental Procedures and Operational Workflow:
The system's control strategy involves MPPT (Maximum Power Point Tracking) using disturbance observation, PI control for active reference current component, and PWM control strategy for inverter modulation.
5：Data Analysis Methods:
Simulation under Simulink environment to verify the effectiveness and correctness of the proposed strategy.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
