Answer Posted / vishwas darne

I am also not sure

i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

1623

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how to calculate IR value of 33KV cable ??

1904

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Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

1763

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Why mostly the HV side of transformer has Delta?

3219

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draw the block diagram of fire alarm?

5422

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What is primary and backup protection?

1161

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Explain about Leakage Test.

2001

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what is the voltage regulation for unity and zero power factor?

2316

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

2042

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Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

1962

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for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

2586

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how we can calculate the efficiency of a diesel generator ?

1702

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what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

2353

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How we can calculate the life of Lead acid battery

1784

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wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?

1925

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