MILP-based technique for smart self-healing grids

The development of smart grids has offered many technical solutions that can increase the reliability and resilience of distribution systems. Self-healing is an important characteristic of smart grids, as it pertains to the capability of the grid to isolate and restore the system, or part of it, to...

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Vydáno v:IET generation, transmission & distribution Ročník 12; číslo 10; s. 2307 - 2316
Hlavní autoři: Al Owaifeer, Maad, Al-Muhaini, Mohammad
Médium: Journal Article
Jazyk:angličtina
Vydáno: The Institution of Engineering and Technology 29.05.2018
Témata:
16‐bus smart grid system
33‐bus smart grid system
69‐bus system
distribution system
integer programming
linear programming
load management
load prioritisation model
loss‐minimisation problem
mathematical analysis
mathematical solution
MILP‐based technique
minimisation
mixed‐integer linear programming problem
optimal distributed generator output
optimal load curtailment
optimal network configuration
power supply
power system monitoring
power system restoration
reliability
Research Article
smart power grids
smart self‐healing grid
smart self‐healing optimisation strategy
33-bus smart grid system
power system monitoring
load prioritisation model
integer programming
reliability
smart power grids
distribution system
linear programming
69-bus system
mathematical analysis
optimal load curtailment
mathematical solution
mixed-integer linear programming problem
loss-minimisation problem
load management
smart self-healing grid
optimal distributed generator output
optimal network configuration
MILP-based technique
minimisation
power system restoration
smart self-healing optimisation strategy
16-bus smart grid system
power supply
ISSN:1751-8687, 1751-8695
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Popis
Shrnutí:The development of smart grids has offered many technical solutions that can increase the reliability and resilience of distribution systems. Self-healing is an important characteristic of smart grids, as it pertains to the capability of the grid to isolate and restore the system, or part of it, to its normal operation following interruptions. This is achieved by adopting advanced monitoring and control systems and utilising all local available distributed sources. In this study, a smart self-healing optimisation strategy for smart grids is proposed. The proposed technique considers several factors, including the available power supply, system configuration, and load management. Moreover, a load prioritisation model is presented and incorporated into the proposed technique. The self-healing strategy is formulated as a mixed-integer linear programming problem, which is solved mathematically, ensuring global optimality of the solution. The strategy is tested by applying it to 16-bus and 33-bus smart grid systems. Further, the proposed formulation is utilised to solve the reconfiguration for the loss-minimisation problem for a 69-bus system. The simulation results indicate the capability of the proposed strategy in providing the optimal network configuration, optimal distributed generators output, and optimal load curtailment with remarkable accuracy and computational time.
ISSN:1751-8687
1751-8695
DOI:10.1049/iet-gtd.2017.1844