Power Quality Home
Common Voltage Disturbances
Transmission Line Operation caused by animals, weather, unforeseen equipment failure.
Voltage disturbance on one distribution line affects an adjacent distribution line on the same substation transformer.
Substation circuit breaker opens and closes momentarily to allow fault on distribution line to clear.
Severe weather, equipment failure, tree damage to conductor wires, vehicle hits distribution poles, animals
Commercial facility disturbances: copy machines, air conditioners, large electric motors, electric welders
Residential facility disturbances: refrigerator, air conditioners, electric motors, improper wiring and grounding
