Off-circuit Tap changers in distribution transformer required

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which capacity of RCCB used for five thousand watt electricity load?

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is the power of a single phase induction motor(Fans) is constant under varying speeds?

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How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

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what is the actual difference betwen constructional details and constructional features?

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plz send me the procedure and syllabus for mseb exam

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i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

0 Answers   Bay Fishing Corporation,

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respetsed sir, i have applied for section engg and juniour engg for both chennai and tiruvunabthapur boards for electrical deportments . can u suggest what books i have to follow and and also from which sections they r going ask (i mean weightage and what topics i have to cover) for both se and je for both chennai and tiruvunanthapur boards.......

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how can we connect a distance relay to CT core that is for backup protection or metering?

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Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??

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what is a diffrence between MCCB, RCCB, MCB, & ELCB ? what is rated current e.g. on motor name plate indicated that is rated curent? what is full load current? If we run D.C. motor with mechanical coupling and we measure voltage on terminal it shows voltage or not ? same in AC also possible ?

5 Answers   Reliance,

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ult of expression 'document.FrmQF.myem

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