Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 8, Problem 3SQ
What causes the arc to move upward in a blowout magnet?
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Chapter 8 Solutions
Electric Motor Control
Ch. 8 - Prob. 1SQCh. 8 - What is the principal difference between a...Ch. 8 - What causes the arc to move upward in a blowout...Ch. 8 - Why is it desirable to extinguish the arc as...Ch. 8 - Prob. 5SQCh. 8 - Why will the blowout coil also operate on AC?Ch. 8 - Prob. 7SQCh. 8 - Are ON control stations used in multiple locations...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- What are the probable causes of a noisy magnet?arrow_forwardWhat is magnetism?arrow_forwardIf an aluminum sheet is held between the poles of a largebar magnet, it requires some force to pull it out of the magnetic field even though the sheet is not ferromagnetic anddoes not touch the pole faces. Explain.arrow_forward
- Describe the magnetic field surrounding a magnet.arrow_forwardMagnets and Magnetic Circuitarrow_forwardQ3: Each ferromagnetic material has a remanence in its magnetic characteristics, but they are not all suitable to be used in a permanent magnet motor! Explain why? And show the required magnetic characteristics suitable for that job. This question is about specialized machinesarrow_forward
- The total conductor in the grooves of the DA in the figure is 1440 conductors, the length of the armature is 30 cm.The magnetic flux of a pole is 0.8 tesla and the armature rotates at 4 m / s. Find the voltage value produced by the armature according to the position in the figure.arrow_forwardHow does the shape of wires carrying current affect the shape of the magnetic field created?arrow_forwardDescribe in details three practical applications for magnetostaticarrow_forward
- The total conductor of the direct current generator shown in the figure is 1440. The length of the armature is 30cm, the magnetic flux of a pole is 0.8 Tesla and the armature rotates at a speed of 4 m / s. Find the value of the voltage generated by the armature according to the position in the figure.arrow_forwardDetermine the intensity of magnetisation of a magnet when it has a pole strength of 60 A-m and a pole area of 20 sq.m.arrow_forwardExplain what makes an electric motor work? Explain in terms of Magnetic Force on a Current-Carrying Conductor in detail.arrow_forward
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