Answer / karthick

1) first thing panel body earthing (it according to the ip/op) 
2) proper earthing pit,strips and size
3) proper place and proper air flow ,exiting of air
4) stranded size of panel fabrication and bus bar impulse testing , high           voltage testing 

In 3 phase induction motor even with low Voltage it reaches nearly it's rated speed why? (for example instead of 400V it reaches with 250V)

2 Answers  

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can any one provide some material?

1 Answers  

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Why armour HT XLPE power cable required to Earth?

1 Answers  

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

0 Answers  

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state the working principle of incondenscent tube?

0 Answers  

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For DG set,if the loading is increased,does flue gas temperature increases or not?

2 Answers   NTPC,

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in the Distribution system .which one is Most Economically used by Power Engineer ? a)3 Phase3 wire System or b) 3Phase -4wire System

6 Answers   APTransco,

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During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

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in 6.6 kv vaccum circuit breaker vaccum bottole vaccum capacity ????

0 Answers   Divis Laboratories,

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why do we use star-delta starter. what is its need?

6 Answers  

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what is the contact resistance of sf6 circuit breaker??

2 Answers  

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If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

0 Answers  

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