Total Power Systems

Power Problems Defined

The following is a simple overview to the most common types of power problems and the levels of protection afforded by the different UPS technologies.

Power Problem Standby/ Offline UPS Line-Interactive UPS On-Line Double
Conversion UPS
Power Failure Yes Yes Yes
Power Sag Yes Yes Yes
Mains Power Surge Yes Yes Yes
Under-Voltage No Yes Yes
Over-Voltage No Yes Yes
Switching Transients No No Yes
Line Noise No No Yes
Frequency Variations No No Yes
Harmonic Distortion No No Yes

Please click here to transfer to our “UPS Technologies Explained” page.

  • Riello UPS
  • Eaton Powering Business Worldwide
  • APC
  • SDMO
  • Emerson Network Solutions
  • GE Digital
  • Dale Power Solutions
  • Shenton Group