Fig 1.
GESS diagram of the study.
Fig 2.
Schematic diagram of GESS coupled with wind-fire hybrid power plant.
Fig 3.
Block diagram of GESS capacity optimization model.
Fig 4.
W-GOA, GOA, PSO iteration curves.
Fig 5.
W-GOA flow chart.
Fig 6.
IEEE-30 node simulation system diagram.
Fig 7.
Daily load vs. wind PV output curve.
Fig 8.
Optimized quantitative indicators for each.
Table 1.
Different energy capacity ratio scenarios.
Table 2.
The best installation capacity of pump storage.
Fig 9.
Comparison of network load profiles before and after optimization.
Fig 10.
Optimal output of new energy units and wind and solar energy consumption.
Fig 11.
Optimal charging and discharging power of the energy storage plant and the amount of power stored in each time period.
Table 3.
Statistical results of total cost (¥) for different scenarios (30 runs).