power surge


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power surge

An oversupply of voltage from the power company that can last up to 50 microseconds. Although surges are very short in duration, they often reach 6,000 volts and 3,000 amps when they arrive at the equipment. Power surges are a common cause of damage to computers and electronic equipment. See power swell, spike, sag and surge suppression.
References in periodicals archive ?
As consumers increasingly purchase technologically-sophisticated products that are vulnerable to power surges, they can face expensive losses - many of them not covered by insurance, or below their deductible limits.
Water exposure and power surges are the worst conditions for electronic equipment," said Scott Gaidano, president of DriveSavers.
Storms and a heavy demand for air conditioning in summer lead to millions of dollars in equipment losses each year as high-voltage power surges strike electrical systems in homes, businesses and institutions.
A number of traffic lights across the city went out after the power surge and pedestrians were not allowed near the site on Bath Street.
A spokesperson said: "The power surge was caused by gas engineers working in the area who damaged a cable.
Community support officers at the scene said the fire was caused by a power surge.
If an off premise power disruption caused a power surge that damaged a freezer, or heating system, the damage to the freezer or heating system would be excluded.
LR Tours blamed Entergy for causing the power surge and allegedly not taking proper care of its wires and equipment.
Three fire engines were sent to the site, but it turned out the alarms were tripped by a power surge and operations returned to normal soon after.
Hot weeks to come: Things to pay attention to in case of power cuts and power surges
There are many challenges that should be tackled in the process of investigating the cause of damage and the source of a power surge.
Secondly, my attempts to determine the alleged power surge of the bulbs on start-up have failed to reveal anything measurable.