Specifications

Appendix-d Lightning Protection Recommendation
November 11, 2013
d‐4
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Figure d-4 EM Flux Field
Figure d-5 Sample Surge Voltage as a Function of Distance From Stroke to Line
Voltage kV
2400
2000
1600
1200
800
0
1
2
3
4
5
6
Time in usec
A
B
C
A = 1/2 mile from station
B = 1 mile from station
C = 2 miles from station.