question archive 4) The nameplate of a Y-connected synchronous motor has the following information
4) The nameplate of a Y-connected synchronous motor has the following information
Subject:Electrical EngineeringPrice: Bought3
4) The nameplate of a Y-connected synchronous motor has the following information. Hp 20,000, RPM 1800, PF 1.0 Volts 6600, Ampere 1350, Phase 3, Frequency 60 The per-unit reactance Excitation voltage 120, Amp 5.5 is X, = 0.95, and the per-unit resistance is Ra = 0.012 A. Determine X, and Ra in ohms. B. For rated (full-load) condition (i) Determine the output torque in Nm. (ii) Determine the rotational loss. (iii) Determine the efficiency.
