An Improved Dispatch Strategy of a Grid-Connected Hybrid Energy System with High Penetration Level of Renewable Energy

Table 3

Performance of each BESS dispatch strategy in different forecast uncertainty levels of one-year simulation.

	Var	net_use_rate	(Vol_rate)	𝑃peak (kW)
Sensitive test 1 (𝐸𝑃,max = 5%)	Normal: 726.611; Strategy 1: 506.055; Strategy 2: 640.295; Strategy 3: 670.277; Strategy 4: 798.987	Normal: —; Strategy 1: 0.1556; Strategy 2: 0.1566; Strategy 3: 0.0818; Strategy 4: 0.1041	Normal: —; Strategy 1: 0.5186; Strategy 2: 0.4523; Strategy 3: 0.5160; Strategy 4: 0.7595	Normal: 4541.1; Strategy 1: 3778.74; Strategy 2: 4541.1; Strategy 3: 4541.1; Strategy 4: 4541.1
Sensitive test 2 (𝐸𝑃,max=10%)	Nor: 744.851; Strategy 1: 517.445; Strategy 2: 648.471; Strategy 3: 678.594; Strategy 4: 808.7514	Normal: —; Strategy 1: 0.1548; Strategy 2: 0.1557; Strategy 3: 0.0816; Strategy 4: 0.1027	Normal: —; Strategy 1: 0.5192; Strategy 2: 0.4536; Strategy 3: 0.5160; Strategy 4: 0.7628	Normal: 5254.9; Strategy 1: 4546.2; Strategy 2: 5254.9; Strategy 3: 5254.9; Strategy 4: 5254.9
Sensitive test 3(𝐸𝑃,max = 15%)	Normal: 759.056; Strategy 1: 542.540; Strategy 2: 662.520; Strategy 3: 692.914; Strategy 4: 831.333	Normal: —; Strategy 1: 0.1534; Strategy 2: 0.1553; Strategy 3: 0.0808; Strategy 4: 0.0983	Normal: —; Strategy 1: 0.5198; Strategy 2: 0.4542; Strategy 3: 0.5149; Strategy 4: 0.7675	Normal: 5459.0; Strategy 1: 4824.8; Strategy 2: 5459.0; Strategy 3: 5459.0; Strategy 4: 5459.0
Sensitive test 4 (𝐸𝑃,max=20%)	Normal: 784.327; Strategy 1: 583.307; Strategy 2: 692.956; Strategy 3: 723.663; Strategy 4: 865.802	Normal: —; Strategy 1: 0.1515; Strategy 2: 0.1548; Strategy 3: 0.0796; Strategy 4: 0.0978	Normal: —; Strategy 1: 0.5174; Strategy 2: 0.4523; Strategy 3: 0.5187; Strategy 4: 0.7704	Normal: 8416.9; Strategy 1: 7692.5; Strategy 2: 8416.9; Strategy 3: 8416.9; Strategy 4: 8416.9