A new network reconfiguration technique for service restoration in distribution networks

Sarma, N.D.R.; Prasad, V.C.; Rao, K. Sambasiva; Sankar, V.

doi:10.1109/61.329526

Cited by 54 publications

(19 citation statements)

References 13 publications

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“…A similar tree search procedure based on the fundamental loop concept was proposed in [24] to form the structure of MGs. The author in [25] proposed an "interested tree" concept. An "interested tree" is a tree in which all loads are supplied by substations.…”

Section: ) Graph Theorymentioning

confidence: 99%

Review of Service Restoration Methods in Distribution Networks

Shen

Huang

et al. 2018

2018 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)

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Service restoration (SR) is one of the most important strategies to improve the resilience of the modern distribution network. After the fault location is identified and isolated, a proper SR plan should be determined to resupply out-of-service areas. This paper reviews the existing methods for SR in distribution networks, which can be categorized into two types, namely centralized methods and decentralized methods, according to their implementation. These methods utilize one or more techniques to derive the SR plan. The used techniques consist of expert systems, heuristic algorithms, meta-heuristic algorithms, graph theory, multi-agent systems and mathematical programming.

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Section: ) Graph Theorymentioning

confidence: 99%

Review of Service Restoration Methods in Distribution Networks

Shen

Huang

et al. 2018

2018 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)

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“…the affected group which includes the loads in downstream of the faulty section and the healthy group in the upstream of the faulty section which includes the source). All tie switches connecting the out-of-service group(s) with the other groups are the candidate switches for restoration [11,12,19]. (2) For each out-of-service group, the candidate tie switch with the highest branch current value which is obtained from meshed network (i.e.…”

Section: Proposed Algorithmmentioning

confidence: 99%

Service restoration in balanced and unbalanced distribution systems with high DG penetration

Zidan

El-Saadany

2011

2011 IEEE Power and Energy Society General Meeting

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This paper presents a simple yet efficient service restoration algorithm for balanced and unbalanced radial distribution networks including Distributed Generators DG. The proposed algorithm that is based on load flow, begins with identifying the de-energized loads group due to fault isolation. All tie switches connecting this group with the rest of the network are the candidate switches for restoration. Branch currents from meshed network (i.e. closing all tie switches) were used as switching index to determine which one of these candidate tie switches should be closed for restoration. The restoration is carried out with objectives of maximizing the restored loads and minimizing the number of switching operations under line current limits, bus voltage limits and radial topology constraints. Each out-of-service group restored by closing the candidate tie switch with highest switching index. The proposed method has been tested on one balanced and two unbalanced systems with and without distributed generation, and compared with those reported in the literature.

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“…Urban distribution systems are usually large in scale and are equipped with numerous sectionalizing switches. In the literature many authors have used several techniques to solve this problem: Exhaustive Research ( [6]), Expert Systems ( [7], [8], [9]), Heuristic Research ( [10], [5]), Fuzzy ( [11], [12]), Neural Networks ( [13]) and Genetic Algorithm ( [14], [15]). All these solutions take a long time to be solved and do not provide a feasible switching operation sequence.…”

Section: Introductionmentioning

confidence: 99%

Distribution systems restoration using the Interior Point Method and sensibility analysis

Borges

Carneiro

Garcia

et al. 2011

2011 IEEE Power and Energy Society General Meeting

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This Panel Discussion proposes the development of methodologies to solve the Distribution System restoration problem, according to multiple objectives, such as to restore as much consumers as possible with minimal switching operations. This methodology uses graph theory to identify out-of-service areas and loops in the system. After that, the system switches are opened and closed based on a sensibility index, obtained from an Optimum Power Flow (OPF) algorithm using the Interior Point Method (IPM). This methodology solves the problem step-bystep, providing a feasible switching operation sequence. The results are compared with some systems presented in the literature.

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A new network reconfiguration technique for service restoration in distribution networks

Cited by 54 publications

References 13 publications

Review of Service Restoration Methods in Distribution Networks

Review of Service Restoration Methods in Distribution Networks

Service restoration in balanced and unbalanced distribution systems with high DG penetration

Distribution systems restoration using the Interior Point Method and sensibility analysis

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