What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.
887my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking
873What is difference between insulating medium and fault current interruption medium in a switching device.
1089What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
Viva,
962what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.
977Post New Electrical Engineering Questions
For group 1 , 2 whather i have to prepare my technical or general studies etc? and im graduate in ee engg. for wht posts im eligible for? please tell me!
Circuit diagram of tube light without starter using electrical choke
what is effect of 5amp fuse on 2mva pry protection of transformer
Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?
What is mean by spike arrester(Voltage Operated)
Explain mechanical rotational system?
state types of reflectors in illumination engg. ???????
what is difference between elr and R eartl realy.
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
what is apparent poewr, reactive power, & active power?
Vibromotor 252MV 1/4HP2P..what is mean by 252MV?
Draw the line diagram of diffretial relay connected to transformer?
diff b/w elcb and rccb
how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?
why on delay timer used for fully automatic star delta starter?
