Unit Commitment With Ideal and Generic Energy Storage Units

Intermittence and variability of renewable resources is often a barrier to their large scale integration into power systems. We propose a stochastic real-time unit commitment to deal with the stochasticity and intermittence of non-dispatchable renewable resources including ideal and generic energy s...

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Veröffentlicht in:IEEE transactions on power systems Jg. 29; H. 6; S. 2974 - 2984
Hauptverfasser: Pozo, David, Contreras, Javier, Sauma, Enzo E.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.11.2014
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
Energy storage
Mathematical model
Mixed integer linear programming
Mixed-integer linear programming (MILP)
Optimization
Production
Real-time systems
real-time unit commitment
Renewable resources
Stochastic processes
Storage area networks
storage devices
two-stage optimization model
ISSN:0885-8950, 1558-0679
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Zusammenfassung:Intermittence and variability of renewable resources is often a barrier to their large scale integration into power systems. We propose a stochastic real-time unit commitment to deal with the stochasticity and intermittence of non-dispatchable renewable resources including ideal and generic energy storage devices. Firstly, we present a mathematical definition of an ideal and generic storage device. This storage device definition has some mathematical advantages: 1) it can be easily integrated within complex optimization problems, 2) it can be modeled using linear programming, suitable for practical large-scale cases. Secondly, a stochastic unit commitment with ideal and generic storage devices and intermittent generation is proposed to solve the joint energy-and-reserves scheduling and real-time power balance problem, reflecting the minute-by-minute intermittent changes and the stochasticity of renewable resources. We also compare our results with those obtained using a deterministic unit commitment with perfect information. The proposed model is illustrated with a 24-bus system.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2014.2313513