Answer / ankur jain

all the neutral wires are conneceted to a single point and
that is connected to deep inside the earth, this is called
earthing , done to protect the equipments from high fault
currents.

Answer / ravi awasthi

earthing is a technique ,which is used
to protect electrical and electronics equipment .

Answer / nalini

To get a safety of overload current

WORKING PRINCIPAL OF MCB

5 Answers   TATA,

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How to calculate flow of water delivered by pump when pressure & size of pipe line is given

0 Answers   Knight Frank,

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DEAR ALL I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm but new local pwer is 220v 60 hz requierd rpm should be 1000 pleas what the beast solution is used frequncy converter or rewinding all motos or chang all motors thanks

6 Answers   GE,

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Wind mill

0 Answers   Suzlon,

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in a distribution board,if we have a load and we have selected a cable after making all calcs (Deratings and V.D , ect...) the cable we have selected was 10mm.sq. now, shall the internal cable inside the switchboard should be 10 mm.sq Like the external or it can be Less???? if somebody have an specs or information he can help D:

1 Answers  

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At what distance power transformer can be placed from generating ?

6 Answers   NTPC,

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Give the selection criteria of a 3 Phase transformer for industrial purposes ?

5 Answers   NDDB, TATA,

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Why the colour of insulator is always is chocolate in colour?

3 Answers   Bhel,

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What is Isolation Transformer???

4 Answers   Emerson,

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what iz second and fifth hormonics please explain

1 Answers   Satia,

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which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

0 Answers   Siemens,

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what is megar healthy value for ht &lt cables

2 Answers  

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