what is the difference between online and offline UPS?
Answers were Sorted based on User's Feedback
Online-there is no delay in delivery of power to the
connected load when the main fail(no interuption)
Offline-static transfer switch changes the connected load
from the AC mains to the UPS inverter out put This
changeover causes the connected load to lose power for a
few microsecond
Is This Answer Correct ? | 15 Yes | 0 No |
Answer / ramendra shukla
On Line UPS- When the electric or main source supply or
input supply is present in a UPS ,it know as On line UPS.
Off Line UPS- When there is no i/p supply and load is
driven By battery source & by inverter system is know as
off line UPS.
Is This Answer Correct ? | 8 Yes | 6 No |
Answer / k.prakashchandra
The above answer is correct.In online UPS ,the schematic SLD
is:- main supply - charger-battery-inverter-load.Hence no
change over.In offload,supply to load is either from mains
or inverter when main supply mains, by change over.
Is This Answer Correct ? | 3 Yes | 2 No |
Online Ups- 1.UPS static switch always on.
2.Ups static switch fail then the Main
static switch conduct.
3.Inverter always On condition.
Offline Ups-1.Main static switch is always on.
2.When the power supply off,the ups static
switch on and inverter are also ON the condition.
Is This Answer Correct ? | 1 Yes | 3 No |
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