Three-phase, 400 V (line voltage), 60 Hz, 6-pole, star-connected synchronous generator has a synchronous reactance of 1.2 ohms per phase. The armature current of the generator at full load is 64 A at a back power factor of 0.95. This generator has a rotational loss of 2 kW and a core loss of 1.6 kW at full load. The excitation current is adjusted so that the output voltage is 400V (line voltage) when the generator is running at no load. When the generator is loaded with 0.95 back power factor current at full load A) Find the rotating field speed of the generator? B) Find the mechanical speed of the generator? C) What will be the output voltage? D) Find the yield? E) Calculate the voltage regulation? Three-ghass, 400 V (ins veltage), 60 Hz, 6-pole, star-connected svnchrenaus generator has aSKoshrenaus.ceastance of 1.2 ghms.Rer Rhase The aumature surcent of the generater at full lead is64 A at a back power factor of 0.95. This generator has a rotational los of 2 kW and a core loss of 1.6kW at fyll lead. The excitation surcent is adjusted so that the Qutrut voltage is 400V (lins veltage)when the generater is running at ne lead. When the generator is loaded witt 0.95 bask Bewer factor.SWCCEnt at fyll loada) Find the rotating field speed of the generator?b) Eind the meshanical sosed of the genetater?c) What will be the sutaut veltage?d) Ejnd the vislde) Çalculate the voltage regulation.

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Three-phase, 400 V (line voltage), 60 Hz, 6-pole, star-connected synchronous generator has a synchronous reactance of 1.2 ohms per phase. The armature current of the generator at full load is 64 A at a back power factor of 0.95. This generator has a rotational loss of 2 kW and a core loss of 1.6 kW at full load. The excitation current is adjusted so that the output voltage is 400V (line voltage) when the generator is running at no load. When the generator is loaded with 0.95 back power factor current at full load A) Find the rotating field speed of the generator? B) Find the mechanical speed of the generator? C) What will be the output voltage?

Three-phase, 400 V (line voltage), 60 Hz, 6-pole, star-connected synchronous generator has a synchronous reactance of 1.2 ohms per phase. The armature current of the generator at full load is 64 A at a back power factor of 0.95. This generator has a rotational loss of 2 kW and a core loss of 1.6 kW at full load. The excitation current is adjusted so that the output voltage is 400V (line voltage) when the generator is running at no load. When the generator is loaded with 0.95 back power factor current at full load A) Find the rotating field speed of the generator? B) Find the mechanical speed of the generator? C) What will be the output voltage?

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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