Omicron CP TD1, Reference Manual

Page: 53 / 188

53
Capacitance and Dissipation Factor Measurement
TR 2-Winding DF (f)
Figure 5-15 Frequency scan winding to winding DF measurement (oil-
paper)
DF (f)
Figure 5-16 Frequency scan of a OIP bushing (Phase A and B)
0.55%
0.50%
0.45%
0.40%
0.35%
0.30%
0.25%
0.0Hz 100Hz 200Hz 300Hz 400Hz 500Hz
L (f)
HL (f)
H (f)
0.67%
0.66%
0.65%
0.64%
0.63%
0.62%
0.61%
0.60%
0.
0
H
z
50
.0
Hz
10
0.
0
H
z
15
0.
0
H
z
20
0.
0
H
z
25
0.
0
H
z
30
0.
0
H
z
35
0.
0
H
z
40
0.
0
H
z
45
0.
0
H
z
A
B