Coevolutionary Framework-Based Constrained Multi-Objective Optimization for Optimal Carbon-Energy Combined Flow of a Power Grid

Table 2

Controllable variables of IEEE-57 and IEEE-300 bus systems.

System	Controllable variables
	Reactive compensation	Transformer tap
IEEE-57	Nodes 18, 25, 53	Circuits 4–18, 21–20, 34–32, 39–57, 7–29, 9–55
IEEE-300	Nodes 117, 120, 154, 164, 166, 173, 190, 231, 238, 240, 248	Circuits 9021–9022, 9002–9024, 9023–9025, 9023–9026, 9007–9071, 9007–9072, 9003–9031, 9003–9032, 9003–9033, 9004–9041, 9004–9042, 9004–9043, 9003–9034, 9003–9035, 9003–9036, 9003–9037, 9003–9038, 213–214, 222-237,227-231, 241–237, 45–46, 73–74, 81–88, 85–99, 86–102, 122–157, 142–175, 145–180, 200–248, 211–212, 223–224, 196–2040, 7003–3, 7061–61, 7166–166, 7024–24, 7001–1, 7130–130, 7011–11, 7023–23, 7049–49, 7139–139, 7012–12