How to reduce power factor correction capacitors failure in
an industrial environment with vsd and computers usage in the
system
Answers were Sorted based on User's Feedback
Answer / sindhanaiyalan
we want use hormonic filter to prevent PF capacitor failour.
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Answer / pillay
TKS Mr sindhan can I have more details about it like what it is
how to rate it
how to know how big a harmonic filter is required.
what other options I have, tks again.
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( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq
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