Airgap A
Chapter40: Push-button Synchronizing
Section: Chapter Questions
Problem 5SQ
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Question
A toroid magnetic circuit is composed of three sections A, B and C, the
section C has an air gap, section A has an 850 round coil that
consumes a current of 1.2 A. the physical and magnetic properties of each section
are:
Section A: Length = 80 mm, Cross section = 120 mm^2, μr = 400
Section B: Length = 60 mm, Cross section = 40 mm^2, μr = 250
Section C: Length = 50 mm, Cross section = 200 mm^2, μr = 600
Gap: Length = 1 mm, Cross section = 40 mm^2, μr = 1
Calculate:
The magnetic field density in each of the sections
Transcribed Image Text:Airgap
A
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