Why derating factor os applied on Cables?

0 Answers  

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WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 Answers  

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1 kva how much amps? How to calculate ?

2 Answers   L&T,

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What is signal flow graph?

0 Answers  

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How does cost of generation from hydropower plant compare with other sources of electricity?

0 Answers  

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what is need of air gap in expansion section in busbar?

3 Answers  

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WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

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How to decide the rating of CBCT? We have 6.6Kv switchgear & having 50/1 cbct ,i want to know how this 50/1 A came? On what basis we decide CBCT reting?

1 Answers   Cross,

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What is Plank's Law?

0 Answers   Godrej,

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Sir if i have 2kv ups in which 17ah 8 battries load 600watts how much back up time i get and if i put 6kv ups with the same no of battries same amp can i get more back up time please give reply exactly what is the procedure to calculate back up time for different kv,s

3 Answers  

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how to generator maintenance (A Check, B check,Etc)

0 Answers   Cummins, HCL,

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132/66kv sub-station procation ?

0 Answers  

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