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Energy Management

 
 Power Quality standards


Power Quality Tutorials

Brief power quality tutorials for engineers

  • Brief #1: Sags, dips, and swells: Introduction to the most common disturbance on AC mains
  • Brief #2: Transient over voltages: Introduction to capacitor-switching and high-frequency transients
  • Brief #3: Harmonics: Introduction to voltage and current harmonics issues
  • Brief #4: Flicker: Introduction to voltage flicker
  • Brief #5: Voltage regulation: Introduction to voltage regulation issues
  • Brief #6: Other disturbances: Frequency variations, noise bursts, and other less common problems

 
Sag immunity tutorials

  • Tutorial #1: Common sources of voltage sags / dips
  • Tutorial #2: Five ways equipment fails due to voltage sags
  • Tutorial #3: Semiconductor industry voltage sag standards: F47 and F42
  • Tutorial #4: Quick, inexpensive fixes that increase immunity to voltage sags

 
Infrared Technologies

  • Example of a loosely connected incoming power cable in a control panel.
  • Example of a catastrophic failure that might have been caused by a 150 HP Motor.
  • Example report on a typical Low-Voltage Transformer scan.
  • Example of a disconnected fuse clip of a compressor (Infrared Image Captured).
  • Example inspection report. (Infrared Image Captured). Moisture migration detected.
  • Example of a seriously loosed connection that might be potentially hazardous.
  • Example of another seriously loosed connection that might be potentially hazardous.
  • Example of several loosed and possibly worn bulb fuses that are dangerous.


UPS Technical Overview
About the Hybrid™ Rotary Uninterruptible Power Supply – Download


PSL Articles

Controller Video Tutorial

  Controller Video Tutorial (Size 4.4 MB)
View Video | Download Video (.zip file)

 

 

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