Sensitivity-Based Pricing and Optimal Storage Utilization in Distribution Systems

In the deregulated power system, locational marginal prices (LMPs) are used in transmission engineering predominantly as near real-time pricing signals. This work extends this concept to distribution engineering by formulating a distribution LMP signal based on power flow sensitivities in a distribu...

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Veröffentlicht in:IEEE transactions on power delivery Jg. 28; H. 2; S. 1073 - 1082
Hauptverfasser: Sathyanarayana, B. R., Heydt, G. T.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York, NY IEEE 01.04.2013
Institute of Electrical and Electronics Engineers
Schlagworte:
Applied sciences
Direct energy conversion and energy accumulation
Distributed storage resources
distribution system control
Electrical engineering. Electrical power engineering
Electrical machines
Electrical power engineering
Energy accumulation
Energy storage
Equations
Exact sciences and technology
locational marginal prices (LMPs)
Mathematical model
Miscellaneous
multiobjective optimization
Operation. Load control. Reliability
Optimization
parallel processing
power distribution engineering
Power networks and lines
Reactive power
real-time pricing
Regulation and control
Roy Billinton Test System
Sensitivity
sensitivity analysis
smart grid
Vectors
Deregulation
Power system economics
Optimization method
Multiobjective programming
Jacobi matrix
Distributed storage resources
Load flow
Roy Billinton Test System
multiobjective optimization
Power flow
Pricing
Optimal operation
power distribution engineering
Parallel processing
Power markets
Time signal
Distribution network
real-time pricing
locational marginal prices (LMPs)
Sensitivity analysis
distribution system control
Distribution cost
Algorithm
Smart grid
Energy source
Sensitivity
Electrical network
Distributed control
Economic aspect
Tariffication
Marginal cost
Energy storage
ISSN:0885-8977, 1937-4208
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Beschreibung
Zusammenfassung:In the deregulated power system, locational marginal prices (LMPs) are used in transmission engineering predominantly as near real-time pricing signals. This work extends this concept to distribution engineering by formulating a distribution LMP signal based on power flow sensitivities in a distribution system. A Jacobian-based sensitivity analysis has been developed for application in the distribution pricing method. Increasing deployment of distributed energy sources and storage devices is being seen at the distribution level and this trend is expected to continue. The optimal operation of the distributed infrastructure has been formulated as a multiobjective optimization problem and a solution algorithm has been developed that is based on the normal boundary intersection method. A parallel processing environment has been used to replicate the distributed nature of controls at many points in the distribution system. The Roy Billinton Test System has been used to demonstrate the applications.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2012.2230192