Answer / silambarasan.n

just test by test lamp for circuit closing if it glows when
connected to 1 end to phase and other to circuits one end
and other circuts end to neutral,if lamp glows it is
perfect .and simple test by multimeter by checking
connectivity of circuit ends.

megger how much voltage will produce ?

4 Answers  

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why secondary terminal of current transformer should not be open circuited?

4 Answers   ABB,

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why in dc generator field rheostate kept in maximum position?

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Please brief working principle & construction of permanent magnet AC Servo motor

0 Answers   DRJ ARDE,

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If I have a LT panel 3ph, 415V, 50Hz which demand load-600kw, how we can calculate its body earth strip size.

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What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 Answers  

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What is inrush current?

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Latching current is slightly less than ?

2 Answers  

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What is a diode?

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A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.

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If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

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watt meter have 4 terminals what there name??? and what theses 4 terminals indicates ?? and why 2 terminals are short circuited??

1 Answers  

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