Research on Control Strategy of Grid-Configured Photovoltaic Storage Converters Based on VSG
To suppress the effects of the randomness and volatility of photovoltaic power generation and improve the reliability of microgrid power supply,author analyzes the microgrid black start scheme under off-grid,which is applied to the energy storage converter together with the VSG control strategy.The VSG mathematical model of the energy storage converter is established and the small signal model is derived.By introducing inertia and damping into the photovoltaic storage microgrid system,the stability of the system voltage and frequency is improved.Finally,the model is built on Matlab/Simulink simulation platform to verify the effectiveness of the zero-start boosting strategy and ensure the stability of the line voltage during the black start.The coordinated control between various micro sources in the optical storage microgrid system is studied under grid connected conditions,and the effectiveness of the control strategy of the grid-configured photovoltaic storage converter is verified.
VSGoptical storage convertersphotovoltaic storage systemblack startsmall signal modelgrid-configured type
万方数据
维普
