Answer / ravindra gupta

Dedicated earthing is for proctection of equiment & Human
body. But body earthing is not for tha same.

what is the simple meaning of harmonics?

4 Answers  

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where we sense the fault from the transmission lines?any operation example for distance relay?rear panel connection for this relay?

1 Answers  

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How we can defined theecopper cable size if we know the aluminium cable size?

0 Answers   Cummins,

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what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

0 Answers   HEC,

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What is Partial Discharge test .Please specify that this test can be test on 11/0.433 KV,630 KVA Transformer.

1 Answers   NBCC,

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What is the maximun current carring capacity in per phase for three pole 100anps rating ncb

3 Answers   L&T,

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what is the difference between UPS & Inverter

7 Answers   HAL,

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If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

0 Answers   MEIL,

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What is formula of capacitor for 1-phase power connection.how to improve PF. Suppose I want to connect capacitor in refrigerator to reduce power consumptions.

0 Answers  

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How can we calculate the rating of capacitor bank to be connected for a particular load(ex.100kw)to improve the power factor from 0.8 to 0.9?

4 Answers   Voltas,

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The current though a branch in a linear network is 2A when the input voltage is 10 volts. If the voltage is reduced to 1 volt, and the polarity is reversed, what is the current flowing through the branch ?

2 Answers  

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Pl. give me checklist for installation & commissioning of machine tool.

0 Answers  

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