Optimal storage sizing for integrating wind and load forecast uncertainties

摘要

Systems and methods are disclosed to manage energy system by receiving load forecasts and power generator forecasts with uncertainty specification; performing stochastic optimization on the load and power generation forecasts; determining an optimal storage sizing for energy balancing; and validating the optimal storage sizing; wherein the power generator is connected to an energy storage device with the optimal storage sizing.

主权项

1. A system to manage energy system, comprising:
means for receiving load forecasts and power generator forecasts with uncertainty specification; means for performing stochastic optimization on the load and power generation forecasts; means for determining an optimal storage sizing for energy balancing; means for validating the optimal storage sizing; and means for minimizing
CES·ESmax+CPS·PSmax+CEinit·ESinit∑k=1N⁢[π⁢∑i⁢ρWki⁢ρLki·max⁢{0,PLki-PWki-PSk}]where CES is an energy component and CPS is a power component,ESmax is a maximum energy limit of a storage unit,PSmax is a maximum rate of charge or discharge from the storage unit,CEinit is a cost term to reduce the dependence on initial stored energy of the storage unit ESinit,π is a constant penalty term,Prob⁡(=PWki)=ρWkiandProb⁡(=PLki)=ρLki,PLk is a load in interval k, andPSk is a power discharged from a storage unit in interval k with a positive value indicating discharge and a negative value indicating charging of the storage unit,
wherein the power generator is connected to an energy storage device with the optimal storage sizing.