New energy adaptive virtual synchronous generator model prediction method and system

The invention provides a new energy adaptive virtual synchronous generator model prediction method and system, and belongs to the technical field of new energy power generation, and the method comprises the following steps: carrying out the modeling of an AC micro-energy system, and constructing a virtual synchronous generator mathematical model; performing coordinate transformation on the mathematical model of the virtual synchronous generator, and calculating active power and reactive power; a voltage reference and a power angle are generated, an excitation controller and a speed regulator are introduced to control the DC-AC inverter to adjust active power and reactive power, and droop control over the active power, the angular frequency, the reactive power and the voltage is completed; a virtual impedance output voltage reference value is introduced, and active power and reactive power decoupling is completed; performing delay compensation on the voltage, constructing a voltage prediction model, and constr