Introduction. When A Momentary Power Interruption Occurs

1251 WordsMay 9, 20176 Pages
Introduction When a momentary power interruption occurs at home, it can be a source of irritation. When the same momentary interruption occurs in an office, a process line, or production line, the result can be a costly equipment breakdown. Years ago a brief outage was not considered a problem, but today’s solid state devices are very sensitive to power system fluctuations. It is this vulnerability of modern technology that has brought an increased awareness of power system variations, a reality of life that has always been present. Power Quality — What Is It? Power quality is the term used to describe this problem. Power interruptions can be caused by natural disasters such as hurricanes, tornadoes, and ice storms; pole-line accidents;…show more content…
The answer may be both. Although an earlier version of this article appeared in The Locomotive more than a decade ago, the topic of power quality is even more relevant today. Mechanical breakdowns still account for many expensive accidents. But electrical breakdowns are the leading cause of equipment claims paid by Hartford Steam Boiler, often involving large income losses and business interruption for our clients. This trend is likely to accelerate in the coming years. The microware clock was blinking again, its bright LED display flashing. The power had gone off for a brief moment. Yet, plugged into the same outlet as the microwave was an old electric motor driven clock, the sweeping hands of its analog dial seeming to not miss a beat. Has this ever happened to you? How many times have you had to reset digital clocks, the VCR or DVD recorder, or the microwave oven in the last year? When a momentary power interruption occurs at home, it can be a source of irritation. When the same momentary interruption occurs in an office, a process line, or production line, the result can be a costly equipment breakdown. What’s the Problem? A momentary power outage can occur within thousandths of a second, and may only be obvious by a very rapid blinking of lights. Years ago a momentary outage was not considered a problem because, under most

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