Electrical Machines By Jb Gupta Pdf Free 220: Everything You Need to Know about Electrical Machines

The mechanism of the material and microwave interaction is particularly complex and it involves the orientation of dipoles, free-to-move electrons, domain wall movement and electron spins, which are activated by the electric and/or magnetic field components43. The essence of the interaction between the dielectric material and the electromagnetic field is energy transformation at the molecular level. Therefore, the dielectric properties of a material, which is measured as the complex permittivity quantifies the ability of a dielectric material to absorb and store electrical potential energy when exposed to a microwave field44. The complex permittivity that represents the microwave-material interactions are expressed by:

Electrical Machines By Jb Gupta Pdf Free 220

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