Subject description - A0M38MAP
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Instructions
Web page:
https://moodle.fel.cvut.cz/courses/A0M38MAP
Anotation:
Measurement of magnetic field, NMR. Typical soft and hard magnetic materials. Measurement of properties of soft and hard magnetic materials. DC and AC magnetised circuits, circuits with permanent magnet. Current and voltage instrument transformers, current comparators. Sources of magnetic field. Magnetic shielding.
Course outlines:
| 1. | | Magnetism - quantities, units, rules |
| 2. | | Measurement of magnetic field in air |
| 3. | | Ferromagnetic materials - sorts, properties, modes of magnetising |
| 4. | | Ferrite magnetic elements - properties, applications |
| 5. | | Measurement of soft magnetic material at DC magnetising |
| 6. | | Measurement of soft magnetic material at AC magnetising |
| 7. | | Measurement of hard magnetic material |
| 8. | | Measurement of other magnetic parameters |
| 9. | | Design of small mains and pulse transformers |
| 10. | | Instrument transformers, current probes and comparators |
| 11. | | Magnetic circuits with permanent magnet |
| 12. | | Magnetic actuators - electromagnets, relays, stepper motors |
| 13. | | Standards of magnetic quantities, magnetic shielding |
Exercises outline:
| 1. | | Introduction |
| 2. | | Measurement of shielding factor in DC magnetic field |
| 3. | | Measurement of shielding factor in AC magnetic field |
| 4. | | Measurement of Curie temperature |
| 5. | | Determination of parameters of hard magnetic materials |
| 6. | | Determination and extending of frequency range of induction coils |
| 7. | | Measuring system for hard magnetic material |
| 8. | | Measurement of complex permeability |
| 9. | | Measurement of dynamic hysteresis loop |
| 10. | | Calculation and measurement of leakage factor |
| 11. | | Foerster - type coercimeter |
| 12. | | Calibration of fluxmeters |
| 13. | | Discussion of results, assessments |
Literature:
| 1. | | Ripka, P. et al.: Magnetic Sensors and Magnetometers. Artech House, Boston-London 2001, ISBN 1-58053-057-5 |
| 2. | | Jiles, D.: Magnetism and Magnetic Materials. London: Chapman & Hall, 1996 |
Requirements:
Keywords:
magnetic field, ferromagnetic material, magnetic measurements, magnetic elements, magnetic shielding
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| Page updated 14.3.2025 15:51:22, semester: Z,L/2025-6, Z,L/2024-5, Send comments about the content to the Administrators of the Academic Programs |
Proposal and Realization: I. Halaška (K336), J. Novák (K336) |