Make a list observation on Transformer?
Draw a Block diagram of TWO UPS systems connected in Parallel in Paralled mode?
Draw a block diagramof Three UPS systems connected in Parallel mode?
On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?
any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?
what is the size of cable for 15kw motor and 85 meter cable length using with vfd
why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?
the problem faced on star or delta winding connection??
if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?
How will polarity test of Dy5 Transformer ?
What are the specifications for conducting earth leakage test as per IEC standard?
how can we change the phase angle b/w two phase?
how many electricity poles are there and what are the names and their sizes.
1hp= how much rpm
At light load transformer efficiency is less because A secondary output is low B transformer losses are high C fixed loss is high compared to output D copper loss is small
What is the exact formula for one weber of magnetic flux?
how we calculate electrical load on a building according to area?
working principle of AC Servo Motor with its construction