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Swathi

· started a discussion

· 1 Months ago

about rms and crest value (Question:137159.0)

As in formula discharge voltage should be crest value but u mentioned rms value so ans is 1.25 not 1.77

Question:
If the discharge voltage of a thyrite arrester is 373 kV rms and the rated voltage is 211 kV rms, the discharge factor of the arrester is
Options:
A) 1.25
B)

0.80


C) 1.77
D) 2.5
Solution:
Ans: (c)

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