ENERGY_EFFICIENCY_IN_ELECTRICAL_UTILITIES (Chapter 1: Electrical System) Introduction to Electric Power Supply Systems Electric power supply system comprises of generating units that produce electricity; high voltage transmission lines that transport electricity over long distances; distribution lines that deliver the electricity to consumers; substations that connect the pieces to each other; and energy control centers to coordinate the operation of the components. The Figure 1.1 shows a simple electric supply system with Generating Station, Power transmission and distribution network and linkages from electricity sources to end-user. Power Generation Plant The fossil fuels such as coal, oil and natural gas, nuclear energy, and falling water (hydel) are commonly used energy sources in the power generating plant. A wide and growing variety of unconventional generation technologies and fuels have also been developed, including cogeneration, solar energy, wind generators, and
(Quality Education in Engineering)