If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?

1885

what is the ATS .And how it works.

1625

Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

2586

What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

2186

hello! sir i did three year of diploma in electrical (2007- 2010) and now i m a student of electrical engineering. sir can i apply for germany visa for study and part tome work over there?

1844

At what factor resistance r of a conductor depends?

1120

Differentiate between Zero and Negative sequence current

1906

Why different Pressure switch used in marine boiler water circulation system

1766

Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

2000

if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1858

What is difference between slip rings and carbon burushes?

15104

what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

2502

draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2714

What is resonant peak?

1108

What is core CT & it's function?

2195