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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 ?
2 4645A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?
1 2036A 6.6 KV/ 440V Xformer. what are the imporatant parts & equipment required for it's protection panel.
2311A 11 KV motor is working. if the supplay is fail. what will happened with it's breaker? Trip / remain the same condition?
4 7294A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a, will Trip. b,Drack Out lever will not access c, will get shock d, noting will happened
4 7726If I want to buy a new Xformer for my plant what are the main parameter will I need to check?
1 1952Why the motor take high starting current for long time(10- 15 sec) which is connected to Blower as compaire with a motor which is connected with pump with same rating?
2 5081
One thing you should remember while trying to solve a math series is that math skills are generally not that important, but rather a vulture’s eye is required to get a strong hold on the unusual, yet a craziest of the logical minds is. Keep this in mind and try to complete the sequence with the appropriate number: 201315, 71280, 9253, 212, ?
please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com
please provide me the previous technical papers for ece branch conducted by hpcl
sir, please send me RRB Question papers for Section engineer Signal..
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
asked about the power transimmisions and types of power drives and about milling different process types and differnce between straddle milling and gang milling
PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.
Please anyone send me previous papers of ONGC (Mechanical Engineering) at my email id jtndrkmr.vermaapril@gmail.com. Please help me.
CAN SOMEONE GIVE ME THE LINE DIAGRAM OF A VAPOUR ABSORPTION SYSTEM (VAM)(AIRCONDITIONING)AND A 600 TON CENTRICUGAL AIRCONDITIONING PLANT.
XYZ
sir , i am prparing for IOCL engineergin post please send me the old placement papers
sir, I am applied RRB chennai,MMV(mechanical),Pls mail 2006,2007 & 2008 years solved question papers.My Mail jrks@rediffmail.com
# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in
sir, please send previous years RRB junior engineer (mechanical) exam papers
previous question papers for group 2
