What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

0 Answers   Eprosys Engineering Consultants,

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How to calculate ant test the burden of Current transformer

0 Answers   NTPC,

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

1 Answers  

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When in a large power system if the demand of power is larger than the generated power the frequency of the power system drops.(assume the rated frequency is 50Hz and now it is 49Hz) So does this mean the demand is totally supplied with a lower value of generated power in a lower frequency?

1 Answers  

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why delta delta connection generally not use in transformer

4 Answers   Lanco,

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Whether capacitor loads can be connected for testing a diesel engine at its full load capacity? Is there any limitation of capacotir load? Which is the best load for testing DG sets?

2 Answers  

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wht factor are considered to design ACB( air Circuit reaker) 415V

3 Answers  

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is ac supply can store

0 Answers  

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what relation between transmission line & communication line?

1 Answers   NTPC,

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Why the cores of large transformers build up of circular cross section?

0 Answers  

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In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 Answers  

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what is the basic difference between synchronous motor,synchronous generator and induction motor

7 Answers   NHPC, NTPC, Sail,

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