What is difference between Over Current & Earth Fault protection?

0 Answers   ABC,

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why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A

0 Answers  

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what is mean by NTPC?,why didn't electric shock in train?

7 Answers  

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what is a FACTS devices? what is mean by STATCOM????

1 Answers   IIT,

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why DC is not generated instead of AC?

4 Answers  

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WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?

0 Answers   BMC,

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diff b/w elcb and rccb

0 Answers  

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we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

0 Answers  

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why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

0 Answers  

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If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

1 Answers  

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During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

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if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.

0 Answers  

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