WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB

0 Answers   IBM,

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What are the specifications for getting approval of Substation?

0 Answers  

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what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

0 Answers   HEC,

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how we explain parallel paths armature winding?

0 Answers  

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plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.

0 Answers  

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how to convert single phase supply to 3 phase or 3 phase to single..?

7 Answers   Wipro,

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sir , what happen if we decrease ( approx 3 inch ) the lenth of shaft in 110KW Induction , three phase motor. actually a 110KW motor is couppled with star couplling to 120TR compressor. When we doing maintenance in compressor it is required to skid the motor backword and resulting dis- alightnment . so we want to change the tyre coupling in place of existing coupling. so it is required to cut off the rotor aprox 3 inch form driving side.

2 Answers  

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how to calculate the output power of vfd , please help me.

1 Answers  

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ell me capacitor bank chossen formula.load in KW

1 Answers  

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can u please mail me the syllabus for GET exam for damodar valley corporation?

0 Answers  

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How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

0 Answers   ONGC,

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My question is whether bellow formula is correct to find bus size for 46kA for 0.5 second & what is RT in bellow formula. formula to calculate the size of busbar to withstand the thermal stresses due to currents with duration of 0.2 sec to 5 sec. Sp = RT( I x I x t) / K Where Sp – is the cross sectional area of bus bar in millimeters. I -    is the value of AC fault current. t -    is the operating time of disconnecting device in seconds. K –  is the factor depending on the material of the conductor, insulation and initial and final temperature. Value of ‘k’ for copper is 143.

0 Answers   Premier,

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