HOW TO CALCULATE UPS BATTERY BACKUP TIME
Answer Posted / k.prakashchandra
Energy stored in a battery = AH x V watthour.Multiplying
with number of batteries you get total energy stored in watt
hour.Divide this by load in watt to get the backup time in
hours ,ignoring efficiency,losses and residual stored energy.
Is This Answer Correct ? | 14 Yes | 2 No |
Post New Answer View All Answers
How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?
in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.
1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?
In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)
how to get electrical supervisour certificate in gujarat
How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke
In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases
why tertiary winding is used in transformer with diagram?
what is positive , negative & zero equivalent system resistance
What is the armature mmf in a D.C machine?
List the characteristics of filter?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
does a DG set has low fault level as compared to that of a transformer.If yes then why.
How to calculate phase to phase difference ?
what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?