How the field flux is controlled in DC drive ?

4 Answers   TATA,

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why secondary terminal of current transformer should not be open circuited?

4 Answers   ABB,

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Is it really necessary to have reactive power in transmission line to transfer the power from one place to other?

3 Answers   Power Grid,

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We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?

0 Answers   Bhel,

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Write the force balance equation of m ideal mass element.

0 Answers  

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what the function breaker failure scheme, how is it operated

0 Answers  

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why transformer rating in kva and motor rating in kw

11 Answers  

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when we should use Central Battery system and UPS system and why? in other words, what are the differences between the two systems?

1 Answers  

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Earth Resistivity

2 Answers  

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how to calculate 'In'in a system?

2 Answers  

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in GEAFOL Cast-Resin trnaformer of 11/.72kv which has tapping of 11550v,11250,11000,10246v in primary side. To obtain 700v. which tapping should be used of HV side as we have 11000v/720v tapping now .

1 Answers  

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i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester

0 Answers  

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