Biobjective Optimization-Based Frequency Regulation of Power Grids with High-Participated Renewable Energy and Energy Storage Systems

Figure 8

Online optimization results obtained by SPEA2 under a continuous and short-time interval step load disturbance in the extended two-area LFC model, (a) overall power deviation, (b) regulation power output obtained by SPEA2 with grey target decision-making, and (c) frequency deviation.

(a)

(b)

(c)