A 381 V, 50 Hz, Y-connected, eight poles synchronous generator has a per-phase synchronous reactance of 0.5 0, and an armature resistance of 0.2 0. Find magnitude of the internal generated phase voltage EA and the torque angle 8, at an armature current of 75 Amperes, 0.8 lagging power factor? Select one: Ⓒa. EA 259.2 Volts, and 8 = -2.32° O b. EA = 213.1 Volts, and 8 = 10.55° O C. EA = 255.4 Volts, and 8 = 4.72° O d. None O e. EA 416.0 Volts, and 8 = 2.89⁰

A 381 V, 50 Hz, Y-connected, eight poles synchronous generator has a per-phase synchronous reactance of 0.5 0, and an armature resistance of 0.2 0. Find magnitude of the internal generated phase voltage EA and the torque angle 8, at an armature current of 75 Amperes, 0.8 lagging power factor? Select one: Ⓒa. EA 259.2 Volts, and 8 = -2.32° O b. EA = 213.1 Volts, and 8 = 10.55° O C. EA = 255.4 Volts, and 8 = 4.72° O d. None O e. EA 416.0 Volts, and 8 = 2.89⁰

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter11: Transient Stability

Section: Chapter Questions

Problem 11.3P

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