what is the difference between RCCB and ELCB?

3 Answers  

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difference between crane drive and line drive.

0 Answers  

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what is the function of mccb?

6 Answers  

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Define cut-off rate?

0 Answers  

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what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

0 Answers   Siemens,

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how slip power recovery system work

0 Answers   Ambuja,

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Why only plate(copper) Earth pit given for neutral earthing? why not pipe(G.I) Earth pit?

1 Answers  

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Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 Answers  

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How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

0 Answers  

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Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

3 Answers  

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what will happen if one of the phases from a 3-phase motor is disconnected?? stop/run at 2/3rd speed or run at same speed????

3 Answers  

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eddy current losses depends on?(a-max magnetic feild,b-avg magnetic feild,c-on frequency,d-on square of frequency)?

3 Answers   Ecil,

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