Answer Posted / mani_mc2006

iam not sure. but my answer is Transformer not having load
variation. but Generators and motors having load variation.
so power factor will not be constant. That's why mentioned
like this.

what are the tests comes under the type test, what tests comes under routine tests.

1517

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Define sensitivity?

1146

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Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

2032

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why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

2454

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what is smartµ grid technology?under coal gassification?

2013

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How to Design green buildings services? What is the advantage to design green building?

1852

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what is apparent poewr, reactive power, & active power?

2419

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what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

2174

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How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

1851

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what is the difference between switch yard to residential area.and how much required it.

1823

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Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

2494

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What happens to voltage when current is zero?

1340

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

2090

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Is there any guideline say about display of earthing value near to earth pit

1246

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Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1729

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