Power Quality

Noise

Description

An unwanted electrical signal of high frequency from other equipment.

Duration

Sporadic

Causes

Electromagnetic interference:
from appliances, microwave and radar transmissions,
from radio and TV broadcasts, arc welding, heaters,
from laser printers, thermostats, loose wiring, or
from improper grounding.

Effect

Disturbs sensitive electronic equipment, but is usually not destructive.
It can cause processing errors and data loss.

Possible Solutions

Isolation transformer
Power conditioner
Uninterruptible power supply
Motor generator