UPS battery Back time = no.of Batteries * Ah of the Battery /
output KVA * 130 ? what is the 130 means ? can any one help?
because all are using this formula how its came 130?
Answer Posted / vivek
As per industrial thumb rule we need 12V/130AH battery to
have 1 hour backup for 1 KVA UPS. Therefore 130 is
iindicates AH which always constant for 1 KVA.
Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?
Generator,motor and alternator Working principal Please explain easily
Define phase cross over?
I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.
'documenˁ
How to calculate the efficiency of Turbo Generator(Alternator) in general....?
if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?
What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?
What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?
1sq mm dc powr cable can carry how much dc currnt
what is relay what is protection & contact multiplying relays where it is used function in brief
Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer
why single CT used in DOL starter power circuit?
relation between power station capacity and voltage level?