Omicron CP TD1 - Page 53

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%
0.0Hz
50.0Hz
100.0Hz 150.0Hz 200.0Hz 250.0Hz 300.0Hz 350.0Hz 400.0Hz 450.0Hz
A
B