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can anyone pls expain me about how can we design a cable tray??suppose if have to draw a 3 nos of 50 sqmm AYFY and 2 nos of 35 SQmm of AYFY cable through the tray..how can we design the tray size?? regards...
3 5987if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?
2493I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem
1 4302How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.
1888when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you
ETA,
1747How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"
1823Post New Electrical Engineering Questions
1. what is usage for power factor in industries?? 2.why we need to monitor power factor??
along with technical test papers
1sq mm dc powr cable can carry how much dc currnt
what is the advantages og idmt relay over magnetic relay??
How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?
i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?
Describe the control mechanism of missile launcher???
i ha done my 10th with 71% ,ITI with 81% 11th with 75% 12th 43% apprentiship with 71% in SAT i secure 1390 ,TOEFL 27 i was refused four times and in all me interview visa officar told that i am not Qualify for study in USA but i completed my 12th yes i got low persentage in my 12th but i seen to much student they already got visa with them 3 or 4 backlocs so why they are refused me ?
What is a single phase autotransformer?
Whata are the types of Cables?
i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance
why the colour of insultor stack , petticoat is brown. Is it has some technical reason.
FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?
What are the applications of the electric motors?
what is mind in cable
