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.116
my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking91
What is difference between insulating medium and fault current interruption medium in a switching device.233
What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.128
can we install LT panel & HT panel in one room?1 271
what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.
i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?
defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why
1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?
how to select size of hardware for linking aluminium busbar is it depend on area of busbar or current flowing through bus bar
Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?
Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.
ROC converges if poles and zeros lie inside a. Origion b. Z=1
how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence
The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.
Can i replace Earth leakage relay to the faulty Earth Faulty Relay
Connection diagram for KW meter and Kva meter
Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??