electric machine A 2300-V 1000-kVA 0.8-PF-lagging 60-Hz two-pole Y-connected synchronous generator hasasynchronous reactance of 1.1 Q and an armature resistance of 0.15 Q. At 60 Hz, its frictionand windage losses are 24 kW, and its core losses are 18 kW. The field circuit has a de voltageof 200 V, and the maximum If is 10A. The resistance of the field circuit is adjustable over therange from 20 to 2002. The OCC of this generator is shown in Figure below.a. How much field current is required to make Vrequal to 2300 V when the generator isrunning at no load?b. What is the internal generated voltage of this machine at rated conditions?c. How much field current is required to make Vr equal to 2300 V when the generator isrunning at rated conditions?d. How much power and torque must the generator's prime mover be capable ofsupplying?300027002400> 21001800150012009006003001.02.03.04.05.06.07.08.09.010.0Field current, AOpen-circuit terminal voltage, V

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A 2300-V 1000-kVA 0.8-PF-lagging 60-Hz two-pole Y-connected synchronous generator has asynchronous reactance of 1.1 Q and an armature resistance of 0.15 Q. At 60 Hz, its friction and windage losses are 24 kW, and its core losses are 18 kW. The field circuit has a dc voltage of 200 V, and the maximum If is 10A. The resistance of the field circuit is adjustable over the range from 20 to 2002. The OCC of this generator is shown in Figure below. a. How much field current is required to make Vfequal to 2300 V when the generator is running at no load? b. What is the internal generated voltage of this machine at rated conditions? c. How much field current is required to make VT equal to 2300 V when the generator is running at rated conditions? d. How much power and torque must the generator’s prime mover be capable of supplying?

A 2300-V 1000-kVA 0.8-PF-lagging 60-Hz two-pole Y-connected synchronous generator has asynchronous reactance of 1.1 Q and an armature resistance of 0.15 Q. At 60 Hz, its friction and windage losses are 24 kW, and its core losses are 18 kW. The field circuit has a dc voltage of 200 V, and the maximum If is 10A. The resistance of the field circuit is adjustable over the range from 20 to 2002. The OCC of this generator is shown in Figure below. a. How much field current is required to make Vfequal to 2300 V when the generator is running at no load? b. What is the internal generated voltage of this machine at rated conditions? c. How much field current is required to make VT equal to 2300 V when the generator is running at rated conditions? d. How much power and torque must the generator’s prime mover be capable of supplying?

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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