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6 MVA transformer secondary is rated for 725V at no load.
The incommer ACB is rated at 690 V, 3200 Amp. Would there
be any effect on performance of ACB due to lower voltage
rating?
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Answer Posted / loke
We can agree with Mr.Mnm because actually the rating of
breaker ia 690v and it will be having with stand capacity of
+_10% so it can with stand upto 765v & also check out with
the impedence it would be around 6-9% from that also you can
check secondary voltage of t/f.
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