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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 6144if 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=?
2565I 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 4408How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.
1947when 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,
1809How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"
1878Post New Electrical Engineering Questions
how to enter inverter parameter? without manaual?
Ac generato how produce power I need for camplet defination
why current flow to the opposite direction of flow of electrons???????????
A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?
why genarator genarating voltage 11 KV?
can we do the star delta connection of capacitor for 3- phase motor starter.
What is difference between safe PLC and normal PLC
hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz
how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?
Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)
what is thermal resistance of PVC Cable.
Draw the DOL starter and star delta starter drawing?
is this the formula of building wiring to get the main breaker.Watts/volts*.8%+higher motor*(25%)=ampere. yes or no or send the correct formula for building wiring.
What is meant by Low Resistance Cable and High Resistance Cable.
what is your majour contributions in your present job
