Hioki IR3455 - Page 173

Appendix 4 Temperature Compensation Table
170
Source  Electric wire and cable handbook (China) China Machine Press
19
0.91 0.857 0.85 0.96 0.93 0.96
20
111111
21
1.09 1.17 1.11 1.06 1.11 1.07
22
1.18 1.34 1.20 1.13 1.23 1.14
23
1.26 1.57 1.40 1.20 1.36 1.22
24
1.33 1.81 1.80 1.27 1.51 1.30
25
1.44 2.08 1.90 1.35 1.68 1.38
26
1.55 2.43 2.05 1.44 1.87 1.45
27
1.68 2.79 2.40 1.54 2.08 1.55
28
1.76 3.22 2.70 1.65 2.31 1.65
29
1.92 3.71 3.80 1.77 2.57 1.77
30
2.09 4.27 4.10 1.90 2.86 1.89
31
2.25 4.92 4.45 2.03 3.18 2.00
32
2.42 5.60 5.20 2.17 3.53 2.15
33
2.60 6.45 5.80 2.32 3.91 2.32
34
2.79 7.42 7.60 2.47 4.33 2.50
35
2.95 8.45 8.28 2.65 4.79 2.69
36
3.12 9.70 8.50 2.85 5.29 2.90
37
3.37 - 9.66 3.10 5.83 3.13
38
3.58 - 11.60 3.35 6.44 3.38
39
4.06 - 14.50 3.63 7.18 3.65
40
4.53 - 16.00 3.95 8.23 3.94
Temperature Conversion Coefficient for Power Cables
Coefficient A
Temp
eratu
re
[°C]
Oil filled
insulated
cable
Polyvinyl chloride
insulated cable
Natural
rubber
Natural
butadiene
styrene
Butyl
rubber
1 to 3 kV 6 kV
Table
No.3
Table
No.4
Table
No.5
Table
No.6
Table
No.7
Table
No.8