how to caluclate cable size by Amps

2 Answers  

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can any one explain me the where is the use of plc and scada

4 Answers  

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How RTCC panel is working and give single line diagram for RTCC with transformer?

0 Answers   AB Associates,

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Explain the different regions in frequency response?

0 Answers  

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which type of breaker sould be used for different level of voltage ? (i.e at 11 Kv, 33 Kv, 66 Kv....

8 Answers  

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Why neutral shows voltage with earth ?

2 Answers   MRF,

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A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole, 50 Hz, 3-phase slip-ring induction motor are mechanically coupled and operate on the same 3-phase, 50 Hz supply. If they are left open-circuited, then the frequency of the voltage produced across any two slip rings would be

2 Answers   L&T,

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what do you mean by lagging and leading current.explain in detail.

1 Answers  

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i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test

0 Answers  

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what difference between tapping -15% to +5 % and -5% to +15% tap. & how can define HV turns on maximun & minimum tap of power transformer.

2 Answers  

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Before given the connection to Alternator (pre- commissioning) which tests we will conduct

1 Answers  

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What is a feedback in control system?

0 Answers  

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