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what is relay what is protection & contact multiplying relays where it is used function in brief
1232What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
1041for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
1231If 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.
1118If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
1218Draw 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.
1032a 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
1612Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
1090Post New Electrical Engineering Questions
Why squirrel cage motor can only use with low starting loads ?
Tell me about ur past electrical maintanence job
What is the meaning of utility ground and clean ground? How the distribution panel is grounded?
we specify current in case of feeder but in case of distributor voltage, why?
what is the ms flat constant for calculating earth mat design calculation?
in our all power plant have connected in grid and grid voltage and plant voltage is same, but as per as electrical concept the power will transmit from high potential to low potential but here altough same,then how power transmit from power plant to grid.
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take
what about GD square and its important for motor design?
what happen if the parallel generator phase angle shift by 1 degree in manual mode
In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.
what are the principles of a booster converter?
Can we Co-ordinate relay in Load Break switch?
I want to know all basics of electrical engineering
tell me about eletrical contractor
