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Table 4 The conditions for test cases for case study 5

From: Sliding mode controller design for frequency regulation in an interconnected power system

Case Condition
Case 5a 0.1 p.u. step load in area 1 .
Case 5b 0.1 p.u. step load in area 2.
Case 5c Area 1 and area 2 undergo 0.1 p.u. unit step load simultaneously
Case 5d Perturbation in power system: + 50% perturbation in Tg, + 50% perturbation in T12, + 92% perturbation in T12, with 0.1 p.u. step load in area 1.
Case 5e 0.1 p.u. step load in area 1 and random step load in area 2