"a 146-bus system modified from IEEE 118-bus system""In the IEEE 118-bus system, buses 1, 2, 3, 15, 6, 7, 9, 11, 13, 14, 43, 44, 50, 51, 52, 53, 57, 58, 60, and 67 are each connected to a wind farm of 180 MW capacity via an OLTC; the corresponding wind
