Dielectric Heating. (Industrial Electronics) Engr. M. Laiq Ur Rahman. Dielectric Heating. When an insulating material is subjected to an alternating electric field, the atoms get stressed and because of the inter-atomic friction, heat is produced.
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Engr. M. Laiq Ur Rahman
Ic is current flowing through capacitor
E is high-frequency supply voltage
Xc is capacitive reactance.
P = E2*2*π*f*A*K0*Kr*δ / d
A is area of electrode
K0 is absolute permittivity
Kr is relative permittivity
δ is phase angle (complement of power factor angle
d is distance between electrodes.