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what voltage to be select in megger for insulation resistance testing to L.V , H.T cables,motors and transfomer?and ohms valve should be giga ohms only or what?
1 157442.5mva transformer is installed in our company with oltc but it is not working in auto mode ,it is operative in manual mode control wiring is done how can i rectify it?
5 7602how does a current carrying conductor posess a magnetic field. what is the reason for the production of electro magnetic field around the conductor
2 7934How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?
1 2132can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks
1 4206what is circulating current in parallel transformer???plus how it is generated ???plz explain in detail.........
2 6153suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?
ABB,
2 6367EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?
1 1978Post New Electrical Engineering Questions
anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS
why lightning arrestor are made in two stack of insulator but why not cvt
How much minimum insulation required between 11kv/3.3kv transformer windings?
sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?
How to calculate VCB rating for 33KV ,25 MW Power line?
Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?
hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .
What current position are you holding in your current company?
Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.
can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)
Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
Define the overload capacity of the motor?
sir i want previous entrance exam papers for written test
In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?
