Table of Contents
Advertisement
Causes and Effects of Poor Power Quality
Although this graph does not apply to all equipment, it
does apply to a vast amount of equipment in the
marketplace.
Causes and Effects of Poor Power
Quality
Causes of Poor Power Quality
Swells
•
Shutdown of heavily loaded equipment
•
Abrupt power restoration
•
Utility switching
Sags
•
Abrupt increase in load
•
Dropouts/Outages
•
Lightning
•
Outdoor contact with transmission lines
•
Ground Faults
•
Equipment failures
•
Acts of nature
Transients
•
Switching loads on and off
•
Utility switching
•
Lightning
•
Normal computer operation
•
Fault clearing
•
Power factor correction capacitors
Power Quality Issues
6
43
Advertisement
Table of Contents
