14
Theory
The relative permittivity
r
can be calculated according the below formula and this according the
standards.
air
oil
r
C
C
oil
=
l
A
C
oil
r
oil
=
0
l
A
C
air
r
air
=
0
to solve equations to
r
the below formula results.
For
r
of liquid (oil)
For
r
of air
A
l
C
oil
r
oil
=
0
1
0
=
A
l
C
air
r
air
air
oil
air
oil
air
oil
r
r
C
C
l
C
A
A
l
C
A
l
C
A
l
C
a ir
o il
=
=
=
0
0
0
0
air
oil
r
r
C
C
with
oil
air
=
1
Dissipation Factor and Dielectric Constant of Typical Insulation Materials
Typical values of 50/60
Hz dissipation factor and permittivity (dielectric constant ε
r
) of some
typically used insulating materials.
Summary of Contents for 2830
Page 1: ...2830 2831 Precision Liquid and Solid Dielectric Analyzer User Manual 4843477 M Version 3 0 ...
Page 7: ...Introduction VII 17 Conformity 113 18 Notes 114 ...
Page 8: ...VIII Introduction ...
Page 121: ...Conformity 113 17 Conformity ...
Page 122: ...114 Notes 18 Notes ...
Page 123: ...Notes 115 ...