Lec19 |What is Hysteresis Loss | Why & how Hysteresis is produced?| How to overcome? | good or bad?

Описание: Lec19 | Chhapter 21 | Physics of Solids| What is Hysteresis Loss | Why & how Hysteresis is produced?| How to overcome? | good or bad? ‪@aqacademy1‬ AQ Academy

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Question: Is hysteresis loss always bad?
Answer: Not always! It's useful in permanent magnets but undesirable in transformers.

Time Stamps:
[00:00] - Introduction to hysteresis loss and its occurrence.
[00:49] - Behavior of magnetic materials when unmagnetized vs. when an external field is applied.
[03:50] - Detailed explanation of how repeated magnetization and demagnetization lead to energy loss.
[07:58] - The movement of domain walls against internal resistance as the cause of energy dissipation.
Measurement and Factors
[12:20] - Measurement of hysteresis loss using the Hysteresis Loop (B-H curve).
[16:31] - Factors affecting hysteresis loss: frequency of re-alignment.
[17:15] - Factors affecting hysteresis loss: volume of the material.
[17:48] - Factors affecting hysteresis loss: area under the B-H curve.
Applications and Minimization
[21:23] - Practical applications where hysteresis losses occur.
[22:31] - Minimizing hysteresis loss by using soft ferromagnetic materials.
[23:31] - Minimizing hysteresis loss by reducing the frequency of the magnetic field.
[24:12] - Minimizing hysteresis loss by using laminated cores.


Keywords related to this video.
Hysteresis loss, Hysteresis loop, B-H curve, Magnetic hysteresis, Energy loss in magnetic materials, Domain wall movement, Magnetization and demagnetization, Soft ferromagnetic materials, Hard ferromagnetic materials, Eddy current loss Why hysteresis occurs, How hysteresis is produced, Energy dissipation in magnets, Domain wall resistance, Repeated magnetization energy loss, Internal friction in magnetic materials, Magnetic domain theory Measuring hysteresis loss, Area under B-H curve, Factors affecting hysteresis loss, Frequency and hysteresis loss, Material volume and energy loss, Hysteresis loss calculation, Retentivity and coercivity, How to reduce hysteresis loss, Laminated cores for loss reduction, Soft magnetic materials, Silicon steel in transformers, Frequency reduction techniques, Energy-efficient magnetic materials, Core loss minimization , Hysteresis loss in transformers, Electric motors energy loss, Inductors and hysteresis, Power electronics losses, Hysteresis in magnetic recording, Is hysteresis loss good or bad, Practical uses of hysteresis , Physics of Solids lecture, Electromagnetic theory, Electrical engineering basics, Class 12 physics magnetism, NEET/JEE physics, GATE electrical engineering, University physics course.



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