what is the difference between online and offline UPS?

Question Posted / jayaprakash

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what is the difference between online and offline UPS?..

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

what is the difference between online and offline UPS?..

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

what is the difference between online and offline UPS?..

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

what is the difference between online and offline UPS?..

Answer / thiru

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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