Optical storage micro-grid multi-state operation optimization control method

The invention relates to a multi-state operation optimization control method for an optical storage micro-grid, and the method comprises the steps: enabling the optical storage micro-grid to be in grid-connected operation under a steady-state condition, and enabling a photovoltaic inverter to adopt voltage and current closed-loop control; when the frequency and the voltage of the power distribution network or the PCC point are detected to be out of limit, a grid-connected switch is switched off, a control mode is switched into an isolated island operation mode, stored energy is put into use, constant-voltage and constant-frequency voltage is output by adopting improved V/f control, and a voltage source with constant voltage amplitude and frequency is provided for a micro-grid system. According to the method, the voltage source with the constant voltage amplitude and frequency is provided for the micro-grid system, and stable operation of the optical storage micro-grid system is guaranteed. 本发明涉及一种光储微网多状态运行优化控