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when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.
2 4289respected sir, sir recentely i have applied for chennai and tiruvananthapur section enggineer and juniour engg in electrical dept. but still i donot get how i have to syart my preparation and also t the same time i donot know exactly what they r going to give in the examinations i mean which sections they r going to give i donot know exactly, can u prefer whichh books i have to follow and model papers or both boards
1 3284respetsed sir, i have applied for section engg and juniour engg for both chennai and tiruvunabthapur boards for electrical deportments . can u suggest what books i have to follow and and also from which sections they r going ask (i mean weightage and what topics i have to cover) for both se and je for both chennai and tiruvunanthapur boards.......
1 3634i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors
1910what is the difference between core & shell type transformer ?& where we use those transformers ?
10 46364Post New Electrical Engineering Questions
Best way to measure the Soil resistance of rocky soil, three probe method and four probe method
please explain how to do 'pole drop test' on generator?
How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
why the carbon brushes are broken in srim while the motor runningtime
What is the lifetime of a Thyristor? Is there a recommended lifetime for thyristors after which they should be replaced?
Do closed loops systems require manual input?
Differentiate between real and apparent power?
What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?
I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME
Why did lightening arrestor solid copper rod head is sharp on mobile tower top?
what is meant by LCR meter? where its useful ?
How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?
is IS says that neutral should be brought to switch box. and this one is a recomended practice
If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.
Purpose of providing neutral isolation panel for parallel operation of diesel generator
