what is relay what is protection & contact multiplying relays where it is used function in brief
673What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
521for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
603If 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.
620If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
716Draw 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.
514a 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
943Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
503Post New Electrical Engineering Questions
What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?
how can i get an electrical c-certificate?
how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
After completing iti in electrician, how can i get certificate of electrical supervisor? What ia requirements. For it?
Difference between ac parallel circuit and ac series circuit?
What is meant by time harmonics and space harmonics?
What is time invariant system?
what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?
What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?
tell me about roaster switch .& what is the function in transmission & distribution?
why we permissive overreach in distance protection.where it is applicable to use in long r short lines
why the value of k is more in shell typr transformers?
What is the meaning of HT Trivector Meter ?
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
what is mean by transition resistance of transformer?
