Comparision Between Line -interactive & ON-Line.

Network

Problems

Possible Causes Offline  UPSs Protection Line-interactive UPS Protection On-line UPS Protection
Network Hanging Power Outage/

Power Interruption

 

80%

 

90%

 

100%

Hardware Damage Harmonic Distortion

Voltage Surges

0%


 50%

0%


50%

100%


100%

Modem Malfunction Frequency Variations  0%  0% 100%
System Hanging, Keyboard

Lock up, Monitor Malfunction.

Voltage Sags & Swells of the order of +/- 10% 

Electrical noise/Unwanted Electrical Interference

 

50 %

 

90%

 

100%

   

95%

 

100%

   

100%

Unintended Server shut-down UPS non compatible with DG set Non Compatible Non Compatible Fully

Compatible

Courtesy : Tata Liebert Ltd