DC and surge test voltages
138 Baker DX 71-030 User Guide EN V10 www.megger.com
Table 8. NEMA MG-1/EASA AR100 DC-HiPot.
V Line Per Unit New, 3.4 × V Line + 1,700 In Service, 65% of New
480 392 3,332 2,165.8
575 469 3,655 2,375.75
600 490 3,740 2,431
2,300 1,878 9,520 6,188
4,160 3,397 15,844 10,298.6
6,900 5,634 25,160 16,354
13,800 11,268 48,620 31,603
Table 9. IEEE 522 Surge testing.
V Line Per Unit New, 3.5 × Per Unit In Service, 75% of New
480 392 1,372 1,029
575 469 1,642 1,232
600 490 1,715 1,286
2,300 1,878 6,573 4,930
4,160 3,397 11,890 8,917
6,900 5,634 19,719 14,789
13,800 11,268 39,438 29,578
Table 10. IEC 34-15.
V Line Per Unit V Line × 4E + 5,000 0.2 us, 65%
480 392 6,920 4,498
575 469 7,300 4,745
600 490 7,400 4,810
2,300 1,878 14,200 9,230
4,160 3,397 21,640 14,066
6,900 5,634 32,600 21,190
13,800 11,268 60,200 39,130
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