Megger DELTA 4000, Reference Manual

Page: 45 / 48

ZM-AH02E DELTA 4000 45
APPENDIx A TEMPERATURE CORRECTION TABLES
Table A3
Bushing temperature correction factors
Test
temperature Lapp insulator
company Micanite and insulators
company
°C °F
Class P O C
15 to 69 kV
P R C 25 to 69 kV Above 69 kV
0 32.0 1.00 0.80 1.55 1.13
1 33.8 1.00
2 35.6 1.00
3 37.4 1.00
4 39.2 1.00
5 41.0 1.00 0.86 1.40 1.09
6 42.8 1.00
7 44.6 1.00
8 46.4 1.00
9 48.2 1.00
10 50.0 1.00 0.91 1.25 1.06
11 51.8 1.00
12 53.6 1.00
13 55.4 1.00
14 57.2 1.00
15 59.0 1.00 0.95 1.12 1.03
16 60.8 1.00
17 62.6 1.00
18 64.4 1.00
19 66.2 1.00
20 68.0 1.00 1.00 1.00 1.00
21 69.8 1.00
22 71.6 1.00
23 73.4 1.00
24 75.2 1.00
25 77.0 1.00 1.04 0.89 0.97
26 78.8 1.00
27 80.6 1.00
28 82.4 1.00
29 84.2 1.00
30 86.0 1.00 1.08 0.80 0.94
31 87.8 1.00
32 89.6 1.00
33 91.4 1.00
34 93.2 1.00
35 95.0 1.00 1.11 0.72 0.91
36 96.8 1.00
37 98.6 1.00
38 100.4 1.00
39 102.2 1.00
40 104.0 1.00 1.13 0.64 0.88
41 105.8 1.00
42 107.6 1.00
43 109.4 1.00
44 111.2 1.00
45 113.0 1.00 1.13 0.56 0.86
46 114.8 1.00
47 116.6 1.00
48 118.4 1.00
49 120.2 1.00
50 122.0 1.00 1.11 0.50 0.8
52 125.6 1.00
54 129.2 1.00
56 132.8 1.00
58 136.4 1.00
60 140.0 1.00 1.01