Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com
1404why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer
2 32027if the load is reactive then what is the use of calculating the real power and what is the use of reactive power if my question is wrong please excuse me..
1 2935In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.
1551Post New Electrical Engineering Questions
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?
what is meant by vector group of a transformer? How can it be derived?
How to Calculate KA Rating of Main LT Panel
what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.
how to build a network which step down 415v to 1v rms
how to remover corona effect and hysteresis losses from contactor
If one lamp connects between two phases it will glow or not?
What is systematic error?
How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?
How many double suspension hardware fittings are required on a double circuit transmission tower?
If o/p power is doubled by how much does the sound increase
What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.
what is reactive power?, why its measured in VA ? is it transient behavior of system?
Define piezo-electric effect?