Physics for Electrical Engineering: Unit I: Dielectric Materials and Insulation

Total Polarisation

Langevin Debye equation

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Since the space - charge polarisation is very small and it is neglegible.

TOTAL POLARISATION

ɑ = ɑ_e + ɑ_i + ɑ₀

Since the space - charge polarisation is very small and it is neglegible.

Substituting the corresponding expressions for α_e , ɑ_i ,and α₀ we have

We know that total polarisation, P = N ɑ E

Substituting for ɑ, we have

This equation is known as Langevin - Debye equation.

Physics for Electrical Engineering: Unit I: Dielectric Materials and Insulation : Tag: : Langevin Debye equation - Total Polarisation

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Physics for Electrical Engineering: Unit I: Dielectric Materials and Insulation

Dielectric Materials and Insulation - Introduction

Dipole moment (μ)

Relative Permittivity (εr) or Dielectric Constant - Definition, Formula

Matter Polarisation - Electronics Polarisation - Definition, Formula

Polarisation vector - Dielectric Materials and Insulation

Polarization mechanisms in dielectrics

Electronic Polarisation - Calculation | Polarization mechanisms in dielectrics

Ionic Polarisation - Polarization mechanisms in dielectrics

Orientational Polarisation - Polarization mechanisms in dielectrics

Space - charge or interfacial polarisation - Polarization mechanisms in dielectrics

Total Polarisation - Langevin Debye equation

Frequency Dependence of Polarization - Types and their frequency ranges, Comparison

Local field or Internal field - Lorentz field

Clausius - Mosotti equation - Dielectric Materials

Dielectric Loss - Definition, Formula, Circuit, Waveform diagram, Factors affecting

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