ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????

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In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?

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How to design pavement quality concrete by using C.R.C.P Method

0 Answers   L&T,

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why the neutral point of star connnection oscillates?

3 Answers   Avalon,

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can indirect loading be called as phantom loading?

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A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

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plz tell me in detail about c.t. and p.t. ?

3 Answers   Reliance, SCL,

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What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

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Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?

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what is the concept of directional power?

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Can I do body earthing of machine by using Cable armour or I have to run another GI wire for body earthing and how many wires I need to run. Is there any rule for this. eartnig

3 Answers   HAL,

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In a synchronous machine if the field axis is ahead of the armature field axis then the machine is ?

1 Answers  

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