Power Flow Calculation and Optimization Control of the Microgrid with High Penetration of Grid-Forming Distributed Generators
With increase of the penetration of distributed generators(DG)in microgrids(MG),the traditional power flow calculation and optimization methods are no longer applicable.Based on the mathematical model of droop control,the traditional Newton Raphson method is modified.The droop control is improved by virtual impedance to relax the constraints of DG reactive power voltage.In addition,the improved particle swarm optimization algorithm is applied to obtain the MG optimization power flow with the minimum network loss.Finally,the method is verified by simulation and experiment.This paper is helpful to guide the planning and control of terminal power grids or MG with high penetration of grid-forming DGs.
grid-forming distributed generatormicrogridpower flow calculationoptimized control
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