what is relay what is protection & contact multiplying relays where it is used function in brief
643What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
501for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
582If 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.
600If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
695Draw 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.
485a 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
909Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
486Post New Electrical Engineering Questions
How to calculate that clean water supply in one Day from 150 KLD STP?
plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in
errection check list for transformer maintenance
What is CCM in Electrical ? where can we use this material?
What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?
What is the difference between cylindrical-type and sandwich-type winding?
a)In a 3-phase 4-wire circuit, a circuit breaker is selected to protect the circuit whose highest fault level is 6.6 MVA. Determine the required minimum breaking capacity in kA. (Note: Covert 3-phase power in terms of kA to find answer.) b)Using the below, determine the required minimum making capacity in kA as a “peak value”. Rate breaking capacity (Icn) ka: Icn<= 1.5 Factor = 1.41 1.5
Is there any guideline say about display of earthing value near to earth pit
How many types of electrical earthing are there?
i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection
I want definition for ABT Meter (Availability Based tariff) ?
Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above
i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com
What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?
what is the meaning of 5% droop or 7% droop in AVR?