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 Categories >> Engineering >> Electrical Engineering
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Question Asked @ Answers Views     Select
IN GENERALLY HOW MANY EARTHING REQUIRED FOR POWER & DISTRIBUTION TRANSFORMERS (INCLUDING NEUTRAL ETC..,)LIST OUT WITH STRUCTURE OF TRANSFORMER FOR EARTHING?    3  521
What are the test performed on A faulty transformer ? bhel   2  986
Why the arms of delta in a delta-wye power transmission system are kept constant??    0  183
in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks    0  166
what happens to current , when voltage drops .?    11  4332
In iduction motors the current is higher than normal for both the cases when the voltage appllied is more than the rated as well as less than the rated, why?    2  631
WHAT IS A PULSE TRANSFORMER?? CAN IT BE CALLED AS A DC TRANSFORMER??    0  166
how can we find CT coil not working ?    7  3394
why frequency should be constant?    2  2280
what is the function and use of cable differential protection relay?    0  642
tell me about roaster switch .& what is the function in transmission & distribution?    0  154
how steam converted into electricity in power plant    4  662
what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR. wartsila   1  640
How CT & PT ratings are decided for a 11KV or 33KV transmission line?    3  3486
3 Core x 35 Sqmm Cable (How we measure 35Sqmm) brother   4  8743
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Un-Answered Questions
 
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if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path) 111
what is the formula to calculate voltage drop/loss on 66KV Transmission Line? 808
how does this job compare with others you have aplied for? 135
whats the differece between Exd and Exe 817
Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead??? 81
iii) A shunt motor runs at 70 rad/sec from a 460V supply and takes in an armature current of 100A. Resistors of 2.52 ohms and 1.64 ohms are connected in series with the armature and in parallel with the armature respectively. The field excitation remains direct from the 460V supply but the generated torque is halved. Determine the new running speed. Neglect brush voltage drop. The armature resistance is 0.4 ohms. [15] 122
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased. 291
What is meant by cold loop test in instrument 201
What is Harmonics how it is produced and what is the method to control the same 132
What are the types of piano switches? 92
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. 181
we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter. 137
how to calculate the cable size depending on the amps? 186
am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this? 91
hi i will D.E.E.E.is completed pls send rrb diploma old qustion papaer sent in my e mail. i.d. 391
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