what is the current density of copper & alluminium.

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What is Control & Relay Panel? And Remote Control Center?

0 Answers   L&T,

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why the the phase transformer's nuetral has been grounded

2 Answers  

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In a company the lines carrying 33KV but the load is below 10000Volts so we know that <11KV we can put 11KV lines but the lines are 33KV,..so how we can step down the voltage to 11KV with out erecting a substation

1 Answers  

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a 100mva,400/200v transformer has leakage impdce of 10% draws a steady state line currentof---------------

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what is the requirement regarding earthing of Single conductor with AWA

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hi frienda We have 250kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy

2 Answers  

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I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out

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An 11kv system consisting of an underground cable to a sub station about 300 meters away was shut down for about 10 hrs. On energising, it tripped off on earth fault about 10---20 mins later 6 times but since than it is not tripping.its already 3 weeks now. The SPAJ was found to be fine. what could be the cause.No test had been done to determine the cause of the trippings till now because of demand.

2 Answers  

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In brushless excitation system how generator field current is measure even if the slip rings are absent?

3 Answers   Adani,

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what are the current specifications of bus ducts ? i ve seen in IPBD bth 22000 A and 1500 A in 400 kv switchyard . why it is so??

1 Answers  

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explain PV modules in solar energy generation.

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