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What is the difference between online ups and offline ups?

Answers were Sorted based on User's Feedback



What is the difference between online ups and offline ups?..

Answer / divyaprabha

online ups is the one which in on position (both cases:
powersupply on&off).but in case of offline ups is on at the
time power failure.

Is This Answer Correct ?    430 Yes 93 No

What is the difference between online ups and offline ups?..

Answer / ravi k lavu

On line UPS means Supply will come from batteries on line
and charging also on line.
In OFF line UPS supply will come from batteries when main
line supply fails.Batteries will charge on line.

Is This Answer Correct ?    350 Yes 69 No

What is the difference between online ups and offline ups?..

Answer / ghanshyam pandey

In ONLINE UPS, the load is always connected to
inverter output only in both the cases, whether normal
power supply is available or not.

In OFFLINE UPS, Inverter output is connected to load only
when normal AC power supply fails, means when AC power is
available it is directly goes to output.

Is This Answer Correct ?    241 Yes 26 No

What is the difference between online ups and offline ups?..

Answer / martin

Online UPS is the one which gives output all the time from
battery whether there is power failure or power on. You
get backing from battery all the time.

Offline UPS supplies Mains to the output when power supply
is regular and charges batteries as well at the same time.
When power fails it switches those batteries to produce
output for power backup.

Is This Answer Correct ?    157 Yes 29 No

What is the difference between online ups and offline ups?..

Answer / muteka

Online UPS is the one which gives output all the time from
battery whether there is power failure or power on. You
get backing from battery all the time.

Offline UPS supplies Mains to the output when power supply
is regular and charges batteries as well at the same time.
When power fails it switches those batteries to produce
output for power backup.

Is This Answer Correct ?    105 Yes 14 No

What is the difference between online ups and offline ups?..

Answer / ganesh.raj

A standby UPS or "offline UPS" draws current from the AC
outlet and switches to battery within a few milliseconds
after detecting a power failure.

The line interactive UPS "interacts" with the AC power line
to smooth out the waveforms and correct the rise and fall of
the voltage.


The "Online UPS" is the most advanced and most costly UPS.
The inverter is continuously providing clean power from the
battery, and the computer equipment is never receiving power
directly from the AC outlet. However, online units contain
cooling fans, which do make noise and may require some
location planning for the home user or small office.

Is This Answer Correct ?    96 Yes 17 No

What is the difference between online ups and offline ups?..

Answer / gobhi

on line ups having dual conversion
off line ups having one conversion

Is This Answer Correct ?    90 Yes 24 No

What is the difference between online ups and offline ups?..

Answer / john

Online UPS, it is getting power AC is converting to DC, then
the DC source stored to Battery at power supply on mode when
power fail, the DC sorce is changed to AC by inverter so
output power is having without noise.

OFFline UPS is having automatic voltage regulator, it
getting power from supply, it is regulated by AVR, then
power stored to battery so the change over time approx 2ms
to 5ms so change over noise comes.

Is This Answer Correct ?    81 Yes 43 No

What is the difference between online ups and offline ups?..

Answer / hasan

Online UPS is unterrupted power suppy to the load,
Offline UPS can't ensure uninterrupted power supply, it
depends on the tolerance of the load. For any sophisticated
equipment (medical equipment), Online UPS is recommended.

Is This Answer Correct ?    59 Yes 25 No

What is the difference between online ups and offline ups?..

Answer / saravanan

On line UPS means Supply will come from batteries on line
and charging also on line.

In OFF line UPS supply will come from batteries when main
line supply fails.Batteries will charge on line.

Is This Answer Correct ?    26 Yes 4 No

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