why lightning arrestor are made in two stack of insulator but why not cvt

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How can calculate the rating of a alternator for a given specific load with formula

0 Answers   NRSC National Remote Sensing Centre,

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specify the inbuilt protections in DG

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Why HRG and LRG used beside transformer, what is the purpose

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What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

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what is the formula for AH?HOW CAN IT CALCULATE

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Which is is best option for 33 kv line incomer.I am Desinging the panel for new projects and i would like to get Your opinion on this Vcb or sf6. Please help me with your replies. Thanks D p singh

6 Answers  

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

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Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify

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Please mention available current rating for MCB,RCCB,MCCB in the market or any website

1 Answers   ETCO,

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diff between synchronous gen and alternators

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when voltage increases current decreases & vice versa why it is so?

3 Answers  

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