The quality of electrical power is an issue that most of us tend to leave unmeasured and unexamined. The general feeling seems to be: "Lights are on, no problem." Yet U.S. companies waste an estimated $26 billion a year in lost time and revenue stem-ming from electrical power-related problems. This extraordinarily hiqh figure reflects increased use over the last few years of so-phsticated electronic equipment in business and industry—from front office to assembly lines—that is sensitive to the vagaries in power.
展开▼
