A 500-kVA, 600-Y, O.8-PF-Ieading, Y-connected synchronous motor has a synchro nous reactance of 1.0 per unit and an armatme resistance of 0.1 per unit. At the current time, EA ~ 1.00 L 120 pu and v." ~ I L 00 pu. (aJ Is this machine currently acting as a motor or a generator? (b) How much power P is this machine consuming from or supplying to the elec trical system? (c) How much reactive power Q is this machine consuming from or supplying to the electrical system? (d) Is this machine operating within its rated limits?