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what is relay what is protection & contact multiplying relays where it is used function in brief
1186What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
1000for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
1167If 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.
1081If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
1179Draw 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.
980a 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
1545Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
1038Post New Electrical Engineering Questions
What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage
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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
State Maximum Power Transfer theorem.
why dc is used in control circuits for MV & LV switchgeras instead of ac
Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?
What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.
11 kV line deraction check by an Engineer.
What is Load sharing of Transformer ?
How to set the relay,,??
how to find three phase complex power in per unit and MVA?
What is nyquist contour?
what is excitation/
how to build a network which step down 415v to 1v rms
How many capacitors using in LT panel as per Govt rules?
