An innovative approach for solving the restoration problem in distribution networks

Dimitrijevic, Srdjan; Rajaković, Nikola

doi:10.1016/j.epsr.2011.06.005

Cited by 38 publications

(15 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…At the same time, much effort has been made in the literature on ensuring that a power network is able to restore power to the outage areas following a large scale disturbance. This has often been addressed within the context of electric service restoration, and the problem has been solved either in a centralized fashion [4][5][6] or using a decentralized approach based on multi-agent theory [7,8]. Finally, some researchers have adopted security-constrained optimal power flow (SCOPF) approaches [9] to strengthen the power grid against forecasted contingencies.…”

Section: Introductionmentioning

confidence: 99%

Optimal resilient power grid operation during the course of a progressing wildfire

Mohagheghi

Rebennack

2015

International Journal of Electrical Power & Energy Systems

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Optimal resilient power grid operation during the course of a progressing wildfire

Mohagheghi

Rebennack

2015

International Journal of Electrical Power & Energy Systems

View full text Add to dashboard Cite

“…For referring to one defect of this reference, the weight factor is determined by the types and characteristics of the branches in the network, not the entire network characteristics. This paper attempts to apply some changes to the method used in [6] in order to obtain good results. Before describing this method to find the minimum voltage drop in the tree (network), we define three groups.…”

Section: Graph-based Methodsmentioning

confidence: 99%

“…The graph-based method is used to solve the problem of service restoration in [6]. For referring to one defect of this reference, the weight factor is determined by the types and characteristics of the branches in the network, not the entire network characteristics.…”

Section: Graph-based Methodsmentioning

confidence: 99%

“…In [2], comparative studies for four modern heuristic algorithms (reactive tabu search, tabu search, parallel simulated annealing, and genetic algorithms) are presented for the service restoration. In [6], a new heuristic graph-based approach is proposed for solving the service restoration problems in distribution networks. In [7,8], combination methods are applied.…”

Section: Introductionmentioning

confidence: 99%

“…In [2][3][4][5][6], the heuristic method is used to solve service restoration problem. In [2], comparative studies for four modern heuristic algorithms (reactive tabu search, tabu search, parallel simulated annealing, and genetic algorithms) are presented for the service restoration.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Service restoration in distribution networks using combination of two heuristic methods considering load shedding

Gholami

Moshtagh

Ghadernejad

2015

J. Mod. Power Syst. Clean Energy

View full text Add to dashboard Cite

Two heuristic methods are proposed to find an effective and fast solution in modern power distribution networks. For solving the service restoration problem in distribution networks, switch selection indices based on an analytic approach and a practicable heuristic graph-based method are given. The formulation of the problem includes four different objective functions: 1) maximizing the total load restored; 2) minimizing the number of switching operations; 3) maximizing the top priority restored load; 4) minimizing load shedding. A suitable evaluation of switch indices is used for all candidate tie switches (TSs) in the network to find the best solution and decrease the number of switching operations. A new graph-based approach is utilized for finding the best sectionalizes switch (SS) and minimizing the voltage drop. The accuracy and the validity of the approach are tested in two standard electrical distribution networks. The results of the approach are used for IEEE 69-bus and IEEE 119-bus test case.

show abstract

Optimal energy dispatch of the power distribution network during the course of a progressing wildfire

Ansari

Mohagheghi

2014

Int. Trans. Electr. Energ. Syst.

View full text Add to dashboard Cite

Summary Wildfires are natural phenomena that play a crucial role in many forest and grassland ecosystems. Under favorable conditions, that is, extreme heat, availability of fuel, and high winds, they may spread beyond control and approach city limits. Power lines are vulnerable to wildfires in their vicinity, mainly because of increased conductor temperatures as a result of ambient temperature rising. This may lead to conductor annealing and/or increased sag. A violation of safety clearances of the lines could in turn lead to possible flashovers and onset of cascading failures. To address the situation, the operator may dynamically alter the ratings of the lines in the affected areas in order to reduce the flow of current through them, thereby assisting with conductor cooling. However, with reduced line capacities, the utility may not be able to supply all the loads from the main substation anymore, which may increase the risk of unserved load and load shedding. A solution is put forth in this paper that enables the system operator to dispatch distributed generators, demand responsive loads, and microgrids in order to supply loads under such emergency conditions. Because of the uncertain spread/severity of wildfires, the problem is stochastic in nature and is therefore modeled as two‐stage stochastic optimization. First‐stage variables determine the generation capacity to be purchased before the onset of the event, while second stage variables represent generation dispatch commands. The efficiency of the proposed solution is verified on a modified version of the Institute of Electrical and Electronics Engineers (IEEE) 123‐bus test system. Copyright © 2014 John Wiley & Sons, Ltd.

show abstract

An innovative approach for solving the restoration problem in distribution networks

Cited by 38 publications

References 15 publications

Optimal resilient power grid operation during the course of a progressing wildfire

Optimal resilient power grid operation during the course of a progressing wildfire

Service restoration in distribution networks using combination of two heuristic methods considering load shedding

Optimal energy dispatch of the power distribution network during the course of a progressing wildfire

Contact Info

Product

Resources

About