Power coordination control of photovoltaic DC microgrid+hierarchical optimization control DC voltage 

Power coordination control of photovoltaic DC microgrid+hierarchical optimization control of DC voltage
① Photovoltaic MPPT: Using perturbation observation method to track the maximum power of photovoltaic panels, which can change the stability of lighting and still maintain MPPT
② Grid side inverter: voltage outer loop+droop control in grid voltage oriented vector control
③ Energy storage: On the basis of voltage and current dual closed loops+droop control
The inverter and energy storage inverter automatically switch between droop mode and constant voltage mode based on load changes
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