How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.
4930what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..
1 10712what the different types of cables used for 11kv and 33kv over head work and what is the size of cable in sqmm.
2 10974what happens if we earth negative electrode of an rectifier transformer used in ESP. In which normaly positive is earthd from inside the xmer.
1 2307can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
UPSC,
1746can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value
1368Post New Electrical Engineering Questions
what is the purpose of shading ring or shading coil in electrical equipments.
Please explain me abt PQ diagaram in the power sector.
which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant
why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?
how to store the thunder power?
hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com
condition Autotrip facia come on control panel of electrical transmission line?
What is sensitivity of a measurement?
Explain what is electric traction? Explain few advantages of electric traction system?
what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero
What is inrush current? how can calculateit? what is the affect of it?
Any one who apply for Ferro Scrap Nigam Limited cn join with me at rajuhalder@indiatimes.com or 09669717028
i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,
what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?
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)