For the question below, consider a 125MVA. 15.5 kV generator with a subtransient reactance and a negative sequer reactance of 0.2 p.u and a zero sequence reactance of 0.03A. The residual OC relay used for protection is: Select one: O a. TS 11. TDS 0.5 b. TS 5, TDS 0.5 OC TS 9, TDS = 0.5 Od. TS = 7. TDS 0.5