Answer / msalam_shahin

The phenomenon of generation of signal which have multiple
times of frequency of supply signal is known as Harmonics
of that applied signal....

Normally harmonics may generates in diffrent way....
It effects the power quality of electric signal on line ...

what is transformer?

4 Answers   Mphasis,

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what is difference between armoured cable and un armoured cable

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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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Write down the brushes of a de machine.

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4 Answers  

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