what is relay what is protection & contact multiplying relays where it is used function in brief
236What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
178for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
181If 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.
221If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
180Draw 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.
130a 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
203Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
141Post New Electrical Engineering Questions
by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.
What is precision of a measurement?
What is the practical way to calculate the cable size for known ampere load?
How does cost of generation from hydropower plant compare with other sources of electricity?
why we not used 11kva as a direct our electrnics component.
33kv Rated output avilable in market (any where in india)
Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?
How equivalent impedance is calculated in thevenin theorem?
What is CCT (Correlated Color Temperature) ?
why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?
what is saturation kit?which use above 15 kw motors panel side.
what is cogging and crawling
What is knee point voltage of transformer?
can i connect the two phases of scott connected transformer,if not why?
