what happened when we supply a dc current in dc motor?? can it worked properly?

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Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

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i am working in a grid substation,TNEB having 13 yrs experience. Am I eligble to get apply for c licence now?

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why the conservater tank alwes made upper side of transformer???

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What is the difference between LT CT & HT CT?Can we use indoor type transformer as an outdoor type or vice versa?

2 Answers   Bhel,

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I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

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why shoud in High tension cable( above11KV etc.,)a semiconducting material coating will be there on insulation?

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how system voltage affect the power factor or vice-versa.

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Sir we are using 250 kva DG its Diesel consumption 25 lits / hrs maximum load 160 kva now how to calculate units/ litres

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how do find power factor in practically and what it means?

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why we used ZNO in Lightning arrester.

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what is the working of air drayar

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