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Books > Professional & Technical > Energy technology & engineering > Electrical engineering
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Flexible AC Transmission Systems: Modelling and Control (Paperback, Softcover reprint of hardcover 1st ed. 2006)
Loot Price: R5,123
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Flexible AC Transmission Systems: Modelling and Control (Paperback, Softcover reprint of hardcover 1st ed. 2006)
Series: Power Systems
Expected to ship within 10 - 15 working days
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The electric power industry is undergoing the most profound
technical, economic and organisational changes since its inception
some one hundred years ago. This paradigm change is the result of
the liberalisation process, stipulated by politics
andfollowedupbyindustry. Formanyyearstheelectricpowerindustrywasch-
acterized by a vertically integrated structure, consisting of power
generation, transmission/distributionandtrading.
Theliberalisationprocesshasresultedinthe
unbundlingofthisorganizationalstructure.
Nowgenerationandtradingareorg- ised in separate business entities,
subject to competition, while the transm- sion/distribution
business remains a natural monopoly. Since the trading of el- tric
energy happens on two levels, the physical level and the
contractual level, it has to be recognized that these two levels
are completely different. However for understanding the electricity
market as a network based industry both levels have to be
considered and understood. The fundamental properties of electric
energy areasfollows: *
Electricityalwaysneedsanetworkfortransportationanddistribution. *
Electricitycannot be storedin asubstantialamount, hence production
andc- sumptionhavetobematchedateachinstantoftime. * The physical
transport of electricity has nothing to do with the contracts for
tradingwithelectricity The role of the electric network is of prime
importance within the electric energy business. Its operation is
governed by physical laws. The electric network has a fixed
structure consisting of different voltage levels; the higher levels
are for transmission purposeswhereasthe lower levelsareused for the
distributiontasks.
Eachnetworkelementhasafinitecapacity,limitingtheamountofelectricitytobe
transported or distributed. As a consequence of the liberalisation
process the - eration of the networks has beenpushedcloser
towardsitstechnicallimits. Hence
thestressonthesystemisconsiderablybiggerthaninthepast.
Theefficientuseof all network elements is of prime interest to the
network operator because the cost constraints have also become much
tighter than in the past.
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