V-Blox Support Information
Common Power Quality Problems / Issues
Sources of Surges
Utility Power Feeder Sources
- Industrial Customers' Initiated Surges
- Power Company Initiated Surges
- Lightning Strikes
Internal Facility Sources
- Starting and Stopping of Motors
- Electronic Motor Drive Systems
- Solenoid Valves
- HVAC Systems
- Fax Machines
- Light Dimmer
- Arc Welders
- Computers
- Copiers
Observed Symptoms
Fluorescent Lighting
- Lights Flickering / Dim Lighting
- Reduced Efficiency (dark coloring of tube)
- Premature Ballast and Tube Failure and Replacement
Electronic Equipment
- Computer System Crashes (hard drive)
- Undetermined Replacement of Circuit Boards and Components
- Memory Chips and Microprocessor Circuit Melting, Corrosion and Arcing
Motors
- Observed Arcing
- Elevated Operating Temperature of Motor
- Premature Replacement of Electric Motors due to Degradation of Windings
General
- Heat Build-up
- Increase in Drawn Amperage
- Unknown Reasons for Equipment Failures
- Decrease in Expected Equipment Life Cycle
