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Using Industrial Hydraulics | Applications of Computer-Aided Manufacturing |
Electricity is the most prevalent form of energy in a modern building. It not only supplies electric outlets and electric lighting, but also provides the motive power for HVAC equipment, traction power for elevators and material transport, and power for all signal and communications equipment. An electric power failure can paralyze a facility. A properly designed facility can quickly return to partial operation by virtue of emergency equipment that can furnish part of the facility's electricity needs for a limited time. Given the complete dependence upon electric power for normal operation that is characteristic of most modern buildings, designers must be familiar with the basic concepts and equipment of normal electrical systems. Section 25 reviews basic electrical relationships, with emphasis on electric circuits, power, energy, energy costs, and methods of energy management and electric load control. Section 26 describes electrical service, utilization, and emergency/standby power equipment. Also addressed are energy conservation considerations and economic factors. Section 27 introduces the concept of electrical equipment ratings and capacity, and continues with a description of modern wiring systems and their components. Section 28 draws on information given in the three preceding sections to demonstrate straightforward design methods for building electrical systems. Section 29 presents information on photovoltaic (PV) systems, which are being increasingly adopted as part of green, net-zero-energy, and carbon-neutral building design solutions.
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