Answer / pk.chauhan

The Two of current conductor are struck between them it will produced the arc. Sf6 and VCB provide and protact the arc quanching.

how the length effects the ampacity of the cable? if a cable is carrying a current of 100A for 50m length then what will the effect on current if we double the length?

2 Answers  

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What loads the lagging and leading effects comes in a circuit?

5 Answers  

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what is reactive power (MVAR) and how it is control? how it is generate in powerplant?

1 Answers  

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A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

0 Answers  

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How to parallel a alternator without using synchro scope or lamp methods

1 Answers   Ofer,

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in three pin plug 6 Amp. 220v AC rating. why earth pin diameter is higher than ohter two pin? what its purpose ?

6 Answers  

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How to select a cable size according to load

1 Answers   Red Bull,

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I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

0 Answers  

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voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect

2 Answers   GATE,

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a starter used for squirrel cage induction motor?

0 Answers  

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why rms value of voltage is fed to transformer

1 Answers   Bhel,

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how can we decide where we have to DYn11 or other vector group transformer

4 Answers   BSL, Knight Frank, Security Printing and Minting Corporation of India Limited,

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