Going in for a three phase motor or a single phase motor, what factor should be considered for this? For eg., to pump water to certain height and such domestic applications, which motor is suitable?
1 2741Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.
1575Can someone help me in the Below Quest on Earthing 1.Types of Earthing and Recommended for what use 2.What is the Pit value /Panel N -E value should be or within limit for RP and UPS .
1 2929CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??
1275Post New Electrical Engineering Questions
On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?
i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.
Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?
In parallel operation time both NGR’s close or not close if both close what will happen
if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?
If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
can we synchronize star system generators with delta system transmission line ? and how ?
what is ground fault in ACB?
What are the three constants associated with a steady state error?
pls tell me function of closing coil of A.C.B.
how does it help for selection of a transformer.
what is the differation bewreen kwh & fundamental kwh in electronic trivector meters
Under wat condition statcom operates as an inductor for the transmission line?
What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?
Do Phase angle measurement have any application in freq/harmonics measurement? If so how?
