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Harmonic management of transmission and distribution systems
Harmonic management of transmission and distribution systems

... computer power supplies and battery chargers[10-12]. For example, standard industrial variable speed drives use the dc or induction motor with thyristor or rectifier respectively. The converters which produce a high frequency supply will b e c o m e more c o m m o n to be used for lighting systems d ...
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Three-phase electric power



Three-phase electric power is a common method of alternating-current electric power generation, transmission, and distribution. It is a type of polyphase system and is the most common method used by electrical grids worldwide to transfer power. It is also used to power large motors and other heavy loads. A three-phase system is usually more economical than an equivalent single-phase or two-phase system at the same line to ground voltage because it uses less conductor material to transmit electrical power.The three-phase system was independently invented by Galileo Ferraris, Mikhail Dolivo-Dobrovolsky, Jonas Wenström and Nikola Tesla in the late 1880s.
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