Power Quality of power systems affects all connected electrical and electronic equipment. Power Quality is a measure of deviations in voltage and frequency of the particular supply system. In recent years, there has been a considerable increase in nonlinear loads; in particular distributed loads, such as computers, TV monitors and lighting. These draw harmonic currents which, when distorted, have detrimental effects including interference, loss of reliability, increased operating costs, equipment overheating, motor failures, capacitor failure and inaccurate power metering. This subject is pertinent to engineers involved with electric power systems, electronic equipment, computers and manufacturing equipment. This book shows readers to understand the causes and effects of power quality problems such as non-sinusoidal wave shapes, voltage outages, losses due to poor power quality, origins of single-time events such as voltage dips, voltage reductions, and outages, along with techniques to mitigate these problems.
This book presents a common sense plan to improve mass transit in Detroit by starting low cost commuter trains on existing rail corridors. The business plan presented does away with the need for studies and consultants, high costs, fancy equipment and long lead times. Outlined is a blueprint for quickly and inexpensively starting up one or more commuter trains in Detroit or any other city needing to improve its mass transit system.
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