what is relay what is protection & contact multiplying relays where it is used function in brief
473What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
344for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
363If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.
458If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
562Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.
294a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn
505Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
306Post New Electrical Engineering Questions
Please send 110 kv sb station full single line drawing(sld)
How we select the vector group of 3phase power transformer?
Why corona leads to production of Ozone and glow of the color VOILET?
What are the Full Forms of TVM, MTL, CVT ?
How can we checked Killo Watts of Motor & Alternator?
why only exciting current is shown not primary current in transformer???
what is the Pickup/drop off ratio in BCPU relays
For high frequency application we use which transformer?
What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????
what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?
Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
What is touch potential and step potential?
what mean by analog ,digital,numerical meters and relays? say the example?
Zone of protection and tripping scheme of arc protection relay.
What facility we get after CT secondary earthing and how?
