Engineering
Electrical Engineering
Fig. P3.4 shows an electromagnet system for lifting a section of steel channel. The coil has 600 turns. The reluctance of the magnetic material can be neglected up to a flux density of 1.4 tesla. (a) For a coil current of 15A (dc), determine the maximum air gap g for which the flux density is 1.4 tesla. (b) For the air gap in part (a), determine the force on the steel channel. (c) The steel channel has a mass of 1000 kg. For a coil current of 15 A, determine the largest gap at which the steel channel can be lifted magnetically against the force of gravity (9.81 m/sec²).

Fig. P3.4 shows an electromagnet system for lifting a section of steel channel. The coil has 600 turns. The reluctance of the magnetic material can be neglected up to a flux density of 1.4 tesla. (a) For a coil current of 15A (dc), determine the maximum air gap g for which the flux density is 1.4 tesla. (b) For the air gap in part (a), determine the force on the steel channel. (c) The steel channel has a mass of 1000 kg. For a coil current of 15 A, determine the largest gap at which the steel channel can be lifted magnetically against the force of gravity (9.81 m/sec²).

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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Fig. P3.4 shows an electromagnet system for lifting a section of steel channel. The coil has 600 turns. The reluctance of the magnetic material can be neglected up to a flux density of 1.4 tesla. (a) For a coil current of 15A (dc), determine the maximum air gap g for which the flux density is 1.4 tesla. (b) For the air gap in part (a), determine the force on the steel channel. (c) The steel channel has a mass of 1000 kg. For a coil current of 15 A, determine the largest gap at which the steel channel can be lifted magnetically against the force of gravity (9.81 m/sec²). 8 cm 40 cm 8 cm 8 cm 600 turns H 16 cm H 8 cm Depth 80 cm
Transcribed Image Text:Fig. P3.4 shows an electromagnet system for lifting a section of steel channel. The coil has 600 turns. The reluctance of the magnetic material can be neglected up to a flux density of 1.4 tesla. (a) For a coil current of 15A (dc), determine the maximum air gap g for which the flux density is 1.4 tesla. (b) For the air gap in part (a), determine the force on the steel channel. (c) The steel channel has a mass of 1000 kg. For a coil current of 15 A, determine the largest gap at which the steel channel can be lifted magnetically against the force of gravity (9.81 m/sec²). 8 cm 40 cm 8 cm 8 cm 600 turns H 16 cm H 8 cm Depth 80 cm
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