| Micro grid system integrates new energy power generation system,energy storage system and locally load of users.It through the mediation of the internal energy storage device reduces the uncertainty of new energy power generation,provides plenty of clean energy to users and also increases the quality of power supply.Because of large-scale distributed new energy power generation system connecting to the grid,micro grid is the current solution of problems such asscheduling and operating.Micro grid system research can guarantee the stable operation of the micro grid,enable it to better complete the interactions with the energy of the power grid.At the same time a good control strategy can make seamless cut off between micro power grid with large power grid,significant load power supply to ensure the micro grid users of sustainability.Based on the analysis of solar power system and the characteristics of the energy storage system,this article does research about the steady state and transient state of micro grid form the perspective of micro source and micro grid,proposes control strategy combined with the construction in liaoning electricity company.Based on RTDS simulation platform building photovoltaic(pv)power generation model,the energy storage system model and the model of micro grid electricity compa nies,the theory is verified the effectiveness of the proposed control strategy.At the same time this article designs the PC monitoring system in liaoning electricity company,the control strategy is embedded,which is verified by practical operation of various control strategies under the condition of practicality. |
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