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what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?
1 5937Determine the MVA rating of the power transformer given that 110/66 kV,1000 Amps. Folks how can i calculate the MVA rating with this Data??Plz Help........
1 15614how does capacitor oppose sudden chane in voltage? how does inductor oppose sudden change in current?
4 18485show me the diagram of three phase wiring and also tell me hoe to take the readings of megger testing
2 6880any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.
1 3786what is high pot test on 11kv switchgear and how to apply high voltage on panel what is spheare gap and how to determine its celeberation.
1 6520Should the neutral earthing of 33/11KV D-S transformer, be connected to the earth grid?(Yes/ NO) why?
1 5475Post New Electrical Engineering Questions
If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?
why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)
Why delta star trformers are used for lighting loads?
what is a bus riser in power system and why it is used
What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
what is the difference b/w pvc cu conductor and cu breaded wire..?
how can i improve the power factor in domestic (230v)
Post possible questions for Power Factor Panel FAT / SAT
what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com
how many current required for hypo test
ROC converges if poles and zeros lie inside a. Origion b. Z=1
Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC
please tell me how a surge protector work on a DC 48Volt.? please describe briefly.
what is upper impedance and lower impedance of a distance relay
why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc
