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 Categories >> Engineering >> Electrical Engineering
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Question Asked @ Answers Views     Select
What is the meaning of dedicated earthing?    0  4
Why double earthing is required ?    0  4
if reactive power become zero in transmission system then what effect on system.???    1  5
Master trip relay code no    1  6
how to test YNyn0 vector group in transformer?    0  3
Please explain, how to test vector group of tranformer(Delta y1) . Thank    0  2
Does VT metering core can be used for synchronizing.    1  11
difference between local breaker backup relay or backup protection relay ?    0  8
When PRV operated at power transformer ,can anybody tell me particular pressure for 50mva transformer plzzz.    0  6
in 33kv/11kv stepdown t/f why should we use Star point    1  10
3 phase induction motor rotor field rotate at synchronous speed w.r.t ?    1  14
What happen if a 18 watt fluorescent tube is used on 36watt choke,which one damaged or not damaged, if damaged why that damaged?    0  9
What is the difference between earthed and unearthed power cable.    1  14
why we earth only one side of a power cable. And which side is advisable to earth.    1  13
How to calculate percentage impedance of a power transformer.    0  10
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Un-Answered Questions
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Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its email address is.... 423
For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please. 306
I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption? 466
Why the cores of large transformers build up of circular cross section? 235
what is the significance of cabability curve of alternator 224
can i connect REF and Differencial relay in 1 CT core for transformer protection? 288
why HV test for cables?.why 0.7times? 331
How to calculat the ratio of HT\LT in energy meter 346
How to derive detailed design of Suitable bus Bar for 100A for 6.6KV? 377
what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks 316
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium. 302
1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors? 316
How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm. 1836
how give earthing conection to household equipment? 287
We have 5 Distribution sections with variable loads&We have 3 Gensets(500kva,380kva&250kva) our total load is between 400kva to 600kva. so how could we connect 3gensets. 205
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