Answer Posted / pavan vyas

as a thumb rule it should be 1/3 of load kw & theoretically
we can select from the chart

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

2313

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i applied for the ap transco please forward the freqventley asked QA

2066

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From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?

1833

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if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

1657

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kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

2739

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How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?

1131

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Control cables in S's will carry 1000v which is AC R DC? Pls answer me 

2198

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what is through fault?

2369

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what is is the potential diffrence between two phase ?

6542

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how can you size an automatic voltage regulator?

2403

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How earthing of switchgear system to be done.

1982

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What is dc current source? Differentiate between ideal and non ideal current sources?

1552

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What is Long rod insulator and it's applications..? merits over the disc insulator ..?

1977

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How can we checked Killo Watts of Motor & Alternator?

2203

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What is an automatic controller?

1238

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