Books > Business & Economics > Industry & industrial studies > Energy industries & utilities > Electrical power industries
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Leading-Edge Electric Power Research (Hardcover)
Loot Price: R4,093
Discovery Miles 40 930
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Leading-Edge Electric Power Research (Hardcover)
Expected to ship within 12 - 17 working days
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This book presents new and significant research on electric power.
The world is becoming increasingly electrified. For the foreseeable
future, coal will continue to be the dominant fuel used for
electric power production. The low cost and abundance of coal is
one of the primary reasons for this. Electric power transmission, a
process in the delivery of electricity to consumers, is the bulk
transfer of electrical power. Typically, power transmission is
between the power plant and a substation near a populated area.
Electricity distribution is the delivery from the substation to the
consumers. Due to the large amount of power involved, transmission
normally takes place at high voltage (110 kV or above). Electricity
is usually transmitted over long distance through overhead power
transmission lines. Underground power transmission is used only in
densely populated areas due to its high cost of installation and
maintenance, and because the high reactive power gain produces
large charging currents and difficulties in voltage management. A
power transmission system is sometimes referred to colloquially as
a "grid"; however, for reasons of economy, the network is rarely a
true grid. Redundant paths and lines are provided so that power can
be routed from any power plant to any load centre, through a
variety of routes, based on the economics of the transmission path
and the cost of power. Much analysis is done by transmission
companies to determine the maximum reliable capacity of each line,
which, due to system stability considerations, may be less than the
physical or thermal limit of the line. Deregulation of electricity
companies in many countries has led to renewed interest in reliable
economic design of transmission networks.
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