Answer Posted / karthik

Basically any rotating machine depends up on power factor
and other rotational losses. Transformer is not a rotating
machine and transformer losses depends on only Iron losses &
Copper losses. Iron losses depends on voltage and Copper
losses depends on current. these losses not depends on power
factor. So Transformer rating measured in KVA.

how can check the resistance of battery contact?

2155

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Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1789

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How many types of instrument cables are there?

1038

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Y phase plates are used in transmission line??? what is there need???

2860

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Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

2016

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Can u tell me design of switch yard

2112

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What is meaning of out of phase (making & breaking) capacity And how to calculate

2140

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what is the difference between torque induced and torque load?compare them with respect to dc motor?

2205

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Differentiate between Zero and Negative sequence current

1860

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hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????

1803

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State thevenintheorem?

1012

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when we have to purchase the transformer by own i.e how much load will preferred HT connection?

1612

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FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?

2130

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what will happen if frequency is below 50 hz?

1957

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what is cogging and crawling

2459

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