The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power
What is Phase to Phase clearance for 800V System Operating Voltage as per IEC61439
what is relay what is protection & contact multiplying relays where it is used function in brief
What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
im electrical engineer, could any one help me for FEWA exam questions please ?
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If 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.
If anyone would like to know or practice for FEWA papers contact me on firstname.lastname@example.org Just completed the supervisor exam in April 2021
Do you need any help with FEWA Electrical Supervisor exams?
Draw 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.
a 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
ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????
why we use single core 630mm2 cable for transformer secondary side