what is lightning arester?generaly which type of used in industeries? why its used?

7 Answers   Essar,

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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

0 Answers  

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How much load can give on 1600 kva transformer 11kv/440

5 Answers  

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what is the speed of electricity?

11 Answers   Bhel,

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hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

0 Answers  

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what is unbalanced rotating magnetic field?

1 Answers  

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What is disc insulator and it's application..?

2 Answers  

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how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

0 Answers  

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is there any role of power factor with frequency variation? and how we can manage the frequency variation?

0 Answers   Wipro,

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If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)

0 Answers  

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Please let me know DG set b check how many hour and days.

2 Answers   Amazon, Cummins,

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How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V

0 Answers  

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