Enhancing the Dispatchability of Variable Wind Generation by Coordination With Pumped-Storage Hydro Units in Stochastic Power Systems

The ever-increasing penetration of variable wind energy in power systems affects the hourly dispatch of thermal power generation in electricity markets. The variability of wind energy, which makes the wind energy non-dispatchable and difficult to control, could bring significant challenges to power...

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Vydáno v:IEEE transactions on power systems Ročník 28; číslo 3; s. 2808 - 2818
Hlavní autoři: Khodayar, Mohammad E., Shahidehpour, Mohammad, Lei Wu
Médium: Journal Article
Jazyk:angličtina
Vydáno: IEEE 01.08.2013
Témata:
Availability
Generators
Hourly coordination
Power transmission lines
pumped-storage hydro units
stochastic security-constrained unit commitment
wind energy
Wind forecasting
Wind power generation
Wind speed
ISSN:0885-8950, 1558-0679
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Popis
Shrnutí:The ever-increasing penetration of variable wind energy in power systems affects the hourly dispatch of thermal power generation in electricity markets. The variability of wind energy, which makes the wind energy non-dispatchable and difficult to control, could bring significant challenges to power system operators. The hourly coordination of wind power generation units with pumped-storage hydro (PS) generation could relieve the variability of wind energy and increase its dispatchability. The wind-PS coordination is based on the application of stochastic security-constrained unit commitment (stochastic SCUC). In this study, the coordinated hourly bus-level scheduling of wind-PS is compared with the coordinated system-level operation strategies in the day-ahead scheduling of power systems.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2013.2242099