Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / sathishkumar
battery backup calculations
Assumption battery bank cumulative voltage is equal to load
voltage
Q=1.25*total load current/i.e 0.8)
where the q=total capacity of the Battery Bank in Amp.hour.
and 0.8 is Battery efficiency coefficient for Lead Acid
batteries.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
given data are load current & power factor cable core size? plz any one update the calculation formula
If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?
what is the role and fuction of automatic transfer switch in rotary ups
What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.
In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.
What is kirchoff ’s current law (kcl)?
How to assume answer to electrical questions
For RCD (Residual current device) Icu is defined. How i can find Ics for them?
could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?
for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance
how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
working principles of cf lamp,incandescentlamp and f lamp?
How much load can take a 16 mm aluminum cable 3 phase
What is bode plot?
EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.
