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What are the circuit models used for analysis of medium length transmission lines? Which one is superior? Support your answer.
UPSC,
1 5811What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?
1 4368Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?
1 3913Can the field winding in synchronous machines be placed on stator?What is the limitation of such arrangement?
2 5206An alternator is started without excitation then how much voltage it will produced at strating at full rpm??
4 7304Why the design of electromechanical energy conversion machines is based on the medium of conversion as megnetic field not as electric field?
2 5736What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?
1 3815what is the use of vector group in transformer. means what r the application of various vector groups?
5 13400Post New Electrical Engineering Questions
Why do we perform an open-circuit test and short-circuit test on the transformer?
what is booster? and how it is connected in a circuit?
After doubling voltage from solar cells & use step down voltage transformer can we get high current output with low voltage.
What is the unit of attenuation?
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
I want to make street light with solar system ... What may I do for procedure and how much of estimation for each material ... If any one knows guide me and inform this id : aravindd7@gmail.com
what is basic difference betmeen normal & flame proof motor??
how to calculate cooling requirement of datacentre from electrical load?
What is cathode ray oscilloscope (cro)?
how to calculate the breaking capacity of different breakers.
Differentiate between kirchhoff’s first law and kirchhoff’s second law?
why the value of k is more in shell typr transformers?
explanation of mesh bus bars
WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
