how to find out basic difference between ELCB,MCB AND RCCB on seeing the materials?

1 Answers   L&T,

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a motor's measured current is 45amp,whereas the rated current is 38 amps but still it is running ,how?

5 Answers  

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what is the differnce between high impedance relay and low impedance relay

4 Answers   Areva,

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what deffrence between KW $ KVA ?

7 Answers  

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why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.

4 Answers  

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how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

0 Answers  

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Why C.T secondary s2 done earthing?

4 Answers  

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how to control the generator output voltage? what r the condition should satisfy for synchronization?

7 Answers   HP,

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Why dont we get shock while testing for voltage with a line tester? How the bulb inside the tester glows while testing with tester coz we are totaly isolated from earth or we are not giving close path for the current to flow?

3 Answers  

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2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

0 Answers  

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What is the slip speed?

0 Answers  

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Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

0 Answers   DAE,

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