Answer / wareagle

Go to college and get a degree in electrical engineering
and then maybe you might be able to answer your question.

What is d main advantage of using double circuit 3 phase transmission ?

0 Answers   UHG,

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why the carbon brushes are broken in srim while the motor runningtime

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how do we calculate length of starting time and repeated starting of a direct online starter?

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help!!!! i bought a new house 2 yrs ago,ive just had 2 new lights fitted,when i boil the kettle,maybe 2 times in succession the safety light switch trips out,it dosnt do it straight away but it seems to do it when the kettle boils!!!!! sounds very odd to me

2 Answers  

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In oil transformer which oil is used & what should be the insulation resistance & heating capacity.

2 Answers  

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100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.

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What is the equipment used to control the generator output?

4 Answers  

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

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how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

0 Answers   L&T,

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We are preparing another project which involves Waste heat recovery from a 1 MW GE Engine. The Engine in particular gives out flue gas at 487Deg C with a flow rate of 5650 kg/hour and this can be cooled to 180 Deg C. This gives a thermal output of ~ 594 KW that is available for input to VAM via heat exchanger / boiler. Additionally 581 KW will be available from engine jacket water (temperature profile 80/ 80 Deg C and a flow rate of 50m3/hr) Our estimation is that 300 TR of cooling is possible with a suitable VAM machine(s). Please advise what is the most suitable arrangement with maximum TR and min Capital expenditure. plz reply me as early as possible

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can we replace Dyn11 transformer to Yy0 transformer and what is the difference between the two type

1 Answers   Arab Contractors,

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what is sevice settings for mccb?How can be it setted?

1 Answers  

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