Answer / samuel adegun

Ingress Protection

Answer / shyamal rauthan

IP means international protection.
ie. IP 65
6 denotes the protection of equipment from and solid waste.
5 denotes the protection from water

Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..

0 Answers   Siemens,

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Explain the process of commutation in a dc machine.

0 Answers  

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What is Antipumping Function & If we have C.T how we find the Ratio ?

0 Answers  

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What happen to alternator if prime mover fails?

4 Answers  

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can any tell me how to do wiring connection in L&T 3ph 4wire E301 CT operated energy meter, what is P1,P2,P3,P0. M1,M2,M3, L1,L2,L3.

2 Answers   Bhartiya International,

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What is the fundamental cause of transients in power system?

3 Answers  

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What is YNyn Transformer? and what are the other types in this?

3 Answers  

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An alternator is started without excitation then how much voltage it will produced at strating at full rpm??

4 Answers  

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if we convert Ampers into kva,which one formula use by us,pls tell me?

10 Answers   ABB,

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why no load voltage is greater than full load voltage?

1 Answers  

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How the unidirectional torque produced in dc motor

2 Answers   CGL, Sail,

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how we calculate the short circuit capacity of the busbar in LV & HT?

0 Answers  

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