Electrical machine having 5 pole-pairs is supplied with 20 Hz. Peak value of induced back-emf is 120 V. Let's assume there is (0°) zero degrees between rotor and stator and at this moment peak back-emf is induced. What will be mechanical angle between rotor and stator in 0.03 seconds from that moment? What will be an induced back-emf in 0.03 seconds? Angle between rotor and stator deg
Electrical machine having 5 pole-pairs is supplied with 20 Hz. Peak value of induced back-emf is 120 V. Let's assume there is (0°) zero degrees between rotor and stator and at this moment peak back-emf is induced. What will be mechanical angle between rotor and stator in 0.03 seconds from that moment? What will be an induced back-emf in 0.03 seconds? Angle between rotor and stator deg
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
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.4P
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![Electrical machine having 5 pole-pairs is supplied with 20 Hz. Peak value of induced back-emf is 120 V. Let's assume there is (0°)
zero degrees between rotor and stator and at this moment peak back-emf is induced. What will be mechanical angle between
rotor and stator in 0.03 seconds from that moment? What will be an induced back-emf in 0.03 seconds?
Angle between rotor and stator
deg](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1822b493-2c18-4a65-99e5-18fca75fe15d%2F5b0d7301-2ee4-4e3f-b0e8-b182723a0925%2Fmwq6qpo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Electrical machine having 5 pole-pairs is supplied with 20 Hz. Peak value of induced back-emf is 120 V. Let's assume there is (0°)
zero degrees between rotor and stator and at this moment peak back-emf is induced. What will be mechanical angle between
rotor and stator in 0.03 seconds from that moment? What will be an induced back-emf in 0.03 seconds?
Angle between rotor and stator
deg
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Step 1: Introduction to Induced Back-EMF in Electrical Machines
VIEWStep 2: Finding the Mechanical Speed of the Rotor
VIEWStep 3: Convert Mechanical Speed to Mechanical Angle per Second
VIEWStep 4: Finding the Mechanical Angle Covered in 0.03 Seconds & Calculating Induced Back-EMF at 0.03 Seconds
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