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13. A 10-kilowatt, 230-volt, long-shunt compound DC generator has efficiency 82%, armature resistance is 0.15 ohm, series field is 0.1 ohm, shunt field is 100 ohms. At rated load, calculate a) The armature current b) The voltage across the brushes c) The generated EMF d) The total copper losses e) The horsepower of the prime mover

13. A 10-kilowatt, 230-volt, long-shunt compound DC generator has efficiency 82%, armature resistance is 0.15 ohm, series field is 0.1 ohm, shunt field is 100 ohms. At rated load, calculate a) The armature current b) The voltage across the brushes c) The generated EMF d) The total copper losses e) The horsepower of the prime mover

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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O CH 4 HW O X A Recent - Go X Untitled do x C A 10-kilowa X 11. A 12-ki b My Questio x * Launch Me X C 9. A Shunt O Sign In - Of x + A Ibcc.instructure.com/courses/57027/assignments/677506 E Apps M Gmail O YouTube A Maps 4 Google Drive: Sign-in E Reading list TASSigniments 9. A shunt generator is rated 125 volts, 25 kilowatts; armature resistance is 0.08 ohm; Attendance shunt field circuit resistance is 25 ohms. Determine Pages a. The induced EMF in the armature at rated load b. The watts loss in the armature c. The watts loss in the shunt field circuit d. The total power generated in the armature Syllabus 11. A 12-kilowatt, 240-volt, 1,500-revolutions-per-minute shunt generator has an armature Реople resistance of 0.2 ohm and a shunt field resistance of 160 ohms. The stray power losses Quizzes are 900 watts. Assuming shunt field current is constant, calculate a. The efficiency at rated load b. The efficiency at half-rated load Secure Exam Proctor (Proctorio) 13. A 10-kilowatt, 230-volt, long-shunt compound DC generator has efficiency 82%, armature resistance is 0.15 ohm, series field is 0.1 ohm, shunt field is 100 ohms. At rated Grades load, calculate Purchase Course a) The armature current b) The voltage across the brushes c) The generated EMF d) The total Materials copper losses e) The horsepower of the prime mover Online Learning 14. A separately excited 6-kilowatt generator has a terminal voltage of 135 volts at no load. Student Technology Help Desk At full load, the terminal voltage is 120 volts with speed and field excitation unchanged. Armature resistance is 0.25 ohm. Find a) The amount of voltage decrease caused by TechConnect Zoom armature reaction b) b. The voltage regulation 15. Complete the internal and external connections for the compound generator illustrated in the sketch below. This generator is to be connected as a cumulative compound long- shunt machine. The interpole field windings are to be a part of the armature circuit terminating at the connection points A1 and A2. Be sure the connections for all main feld polecand interneles are cer that the proner nolaritios will be ohtained 11:47 AM 度 ) 4/17/2021 G回画回O果O☆
Transcribed Image Text:O CH 4 HW O X A Recent - Go X Untitled do x C A 10-kilowa X 11. A 12-ki b My Questio x * Launch Me X C 9. A Shunt O Sign In - Of x + A Ibcc.instructure.com/courses/57027/assignments/677506 E Apps M Gmail O YouTube A Maps 4 Google Drive: Sign-in E Reading list TASSigniments 9. A shunt generator is rated 125 volts, 25 kilowatts; armature resistance is 0.08 ohm; Attendance shunt field circuit resistance is 25 ohms. Determine Pages a. The induced EMF in the armature at rated load b. The watts loss in the armature c. The watts loss in the shunt field circuit d. The total power generated in the armature Syllabus 11. A 12-kilowatt, 240-volt, 1,500-revolutions-per-minute shunt generator has an armature Реople resistance of 0.2 ohm and a shunt field resistance of 160 ohms. The stray power losses Quizzes are 900 watts. Assuming shunt field current is constant, calculate a. The efficiency at rated load b. The efficiency at half-rated load Secure Exam Proctor (Proctorio) 13. A 10-kilowatt, 230-volt, long-shunt compound DC generator has efficiency 82%, armature resistance is 0.15 ohm, series field is 0.1 ohm, shunt field is 100 ohms. At rated Grades load, calculate Purchase Course a) The armature current b) The voltage across the brushes c) The generated EMF d) The total Materials copper losses e) The horsepower of the prime mover Online Learning 14. A separately excited 6-kilowatt generator has a terminal voltage of 135 volts at no load. Student Technology Help Desk At full load, the terminal voltage is 120 volts with speed and field excitation unchanged. Armature resistance is 0.25 ohm. Find a) The amount of voltage decrease caused by TechConnect Zoom armature reaction b) b. The voltage regulation 15. Complete the internal and external connections for the compound generator illustrated in the sketch below. This generator is to be connected as a cumulative compound long- shunt machine. The interpole field windings are to be a part of the armature circuit terminating at the connection points A1 and A2. Be sure the connections for all main feld polecand interneles are cer that the proner nolaritios will be ohtained 11:47 AM 度 ) 4/17/2021 G回画回O果O☆
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