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.140
my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking111
What is difference between insulating medium and fault current interruption medium in a switching device.264
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.155
can we install LT panel & HT panel in one room?1 308
I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??
what is deffrence between squirral cage and wound rotor in IM?
gas turbine genrator reactances
What are the limitations of Kirchoff's laws?
WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?
how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.
When we need up only in o/p 440v, so why we use directly in 11kva in input?
I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:email@example.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz
hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks
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?
1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (firstname.lastname@example.org)
What current position are you holding in your current company?
Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?
what is the difference between general inverter and solor inverter clerly explain plz
does buccholz in a transformer use batteries