which frequency is to be selected for measuring earth resistivity

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.

0 Answers  

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types of motor starter

5 Answers  

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How earthing/grounding done in aeroplanes and ships.

0 Answers  

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for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

0 Answers   wbsedcl,

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why the generating / transmitting voltage is in the order of multiples of 11(ie 11kv,22kv,33kv......)

1 Answers  

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How to calculate the Sizes of the cable required for one specific load? Is there any formula for that? ( EX: For 400KW load,50mtr Length, What is the LT cable Size required?)

2 Answers   Texmo,

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two generator runnig with parallel but only one NGR on And one off Why

1 Answers  

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Why the Voltage rises when Leading Power Factor is occurs?

2 Answers  

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what is the formula for calculation of sac?

4 Answers   TCS,

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Why 60Hz motor taking more current on load in 50Hz power supply?

1 Answers  

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a bulb of 100W and anather bulb of 200W , rated supply voltage 230v.when supply voltage is reduced to 100v,which bulb will give more light? and why with calculation?

12 Answers  

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