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Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

0 Answers   ABB,

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Pls any send the cable selection chart. at azeemk30@gmail.com

2 Answers  

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what is the meaning of servo motor. In trains, what type of the motors we are using at the bottom of each compartment

5 Answers  

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what is the voltage present in the telephone?

10 Answers   Infosys,

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hi frds, i m electrical engineer.can i get cdr for electrical engineer if u have then send me on my mail id its jayesh_ee88@yahoo.com.please help me frds

0 Answers  

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Dear Sirs, I am a technical persons.In one of our Electrical Sub- Station, We have installed three numbers of 1250KVA ,11KV/0.415KV Transformer to feed the Factory load. We have found some abnormality. In one of our Transformers the leakeage current from transformer body to earth through earth continuity wire is almost 86 Amp but in other transformer it is (5-10)Amp. where the load current on three phase and neutral are respectively 1360Amp,1400Amp,1370 Amp & 176Amp. So please any technical person help me about the reasons of this situation and how I can rectify the fault. Moreover,I have measured the earth resistance of the Earth continuity wire which is less than 1 Ohm. Thanks Tapas Barua

3 Answers  

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what is unbalanced rotating magnetic field?

1 Answers  

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what will happen if we use cylindrical conductor instead of flat cu conductor in transformer

2 Answers   Crompton Greaves,

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What the purpose of transient fault recoredr in substation

2 Answers   NCC,

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How could i check the earth connection of my home using a multimeter?????? If it is possible plz help me....

1 Answers  

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Why we are getting low voltage in star connection?

2 Answers  

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How many types of earths are there?What is the maximum ohms of earthfit?

3 Answers  

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