MILPbased technique for smart selfhealing grids
MILPbased technique for smart selfhealing grids
 Author(s): Maad Al Owaifeer^{ 1} and Mohammad AlMuhaini^{ 1}
 DOI: 10.1049/ietgtd.2017.1844
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 Author(s): Maad Al Owaifeer^{ 1} and Mohammad AlMuhaini^{ 1}


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Affiliations:
1:
Electrical Engineering Department, King Fahd University of Petroleum and Minerals , Dhahran , Saudi Arabia

Affiliations:
1:
Electrical Engineering Department, King Fahd University of Petroleum and Minerals , Dhahran , Saudi Arabia
 Source:
Volume 12, Issue 10,
29
May
2018,
p.
2307 – 2316
DOI: 10.1049/ietgtd.2017.1844 , Print ISSN 17518687, Online ISSN 17518695
The development of smart grids has offered many technical solutions that can increase the reliability and resilience of distribution systems. Selfhealing 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 selfhealing 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 selfhealing strategy is formulated as a mixedinteger linear programming problem, which is solved mathematically, ensuring global optimality of the solution. The strategy is tested by applying it to 16bus and 33bus smart grid systems. Further, the proposed formulation is utilised to solve the reconfiguration for the lossminimisation problem for a 69bus 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.
Inspec keywords: linear programming; mathematical analysis; integer programming; minimisation; load management; smart power grids
Other keywords: 69bus system; smart selfhealing optimisation strategy; power supply; 16bus smart grid system; mixedinteger linear programming problem; optimal distributed generator output; smart selfhealing grid; lossminimisation problem; reliability; mathematical solution; load prioritisation model; power system monitoring; distribution system; optimal network configuration; load management; MILPbased technique; power system restoration; optimal load curtailment; 33bus smart grid system
Subjects: Optimisation techniques; Power system management, operation and economics; Mathematical analysis
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