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A 90-MVA 69.3-kV, three-phase synchronous generator has a synchronous reactance of 10 Ohms/phase and negligible armature resistance. The generator is delivering power to the bus bar at the rated voltage with its field current adjusted for a generated emf (excitation voltage) of 50 kV per phase and a power angle & = 7.1 degree. Thus, the delivered power is the generator armature current is and the power factor is

A 90-MVA 69.3-kV, three-phase synchronous generator has a synchronous reactance of 10 Ohms/phase and negligible armature resistance. The generator is delivering power to the bus bar at the rated voltage with its field current adjusted for a generated emf (excitation voltage) of 50 kV per phase and a power angle & = 7.1 degree. Thus, the delivered power is the generator armature current is and the power factor is

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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power before losing synchronism (stability limit). Thus, the maximum generated power is Pmax = + and the armature current is la = A 90-MVA 69.3-kV, three-phase synchronous generator has a synchronous reactance of 10 Ohms/phase and negligible armature resistance. The generator is delivering power to the bus bar at the rated voltage with its field current adjusted for a generated emf (excitation voltage) of 50 kV per phase and a power angle & = 7.1 degree. Thus, the delivered power is the generator armature current is and the power factor is The three phase power and line-line ratings of the below electric power system is given below: Vg Vm M G: 50 MVA 20 KV X= 4% T: 50 MVA 20/40 KV X= 4% 43.2 MVA 36 KV X= 40% 1:49 A EN 4040
Transcribed Image Text:power before losing synchronism (stability limit). Thus, the maximum generated power is Pmax = + and the armature current is la = A 90-MVA 69.3-kV, three-phase synchronous generator has a synchronous reactance of 10 Ohms/phase and negligible armature resistance. The generator is delivering power to the bus bar at the rated voltage with its field current adjusted for a generated emf (excitation voltage) of 50 kV per phase and a power angle & = 7.1 degree. Thus, the delivered power is the generator armature current is and the power factor is The three phase power and line-line ratings of the below electric power system is given below: Vg Vm M G: 50 MVA 20 KV X= 4% T: 50 MVA 20/40 KV X= 4% 43.2 MVA 36 KV X= 40% 1:49 A EN 4040
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