Network reconfiguration for the DG-integrated unbalanced distribution system

Distribution system reconfiguration is a complex combinatorial optimisation problem. Finding a globally optimal solution to this problem in a short span of time is a challenging task. Two different network reconfiguration methodologies, namely a look-up table-based algorithm and a Pareto-optimisatio...

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Veröffentlicht in:IET generation, transmission & distribution Jg. 13; H. 17; S. 3896 - 3909
Hauptverfasser: Gangwar, Priyanka, Singh, Sri Niwas, Chakrabarti, Saikat
Format: Journal Article
Sprache:Englisch
Veröffentlicht: The Institution of Engineering and Technology 03.09.2019
Schlagworte:
13‐bus practical distribution system
combinatorial mathematics
complex combinatorial optimisation problem
DG‐integrated unbalanced distribution system
distributed generators
distributed power generation
IEEE 123‐bus unbalanced radial distribution systems
IEEE 34‐bus unbalanced radial distribution systems
look‐up table‐based algorithm
maximum service restoration
network reconfiguration methodologies
Pareto optimisation
Pareto‐optimisation‐based algorithm
Pareto‐optimisation‐based reconfiguration algorithm
post‐fault condition
power distribution faults
power distribution reliability
power generation faults
power generation reliability
power system restoration
probabilistic model
probability
reliability maximisation assessment
Research Article
table lookup
Pareto optimisation
power generation reliability
look-up table-based algorithm
combinatorial mathematics
post-fault condition
probability
IEEE 34-bus unbalanced radial distribution systems
power distribution faults
DG-integrated unbalanced distribution system
distributed power generation
13-bus practical distribution system
Pareto-optimisation-based algorithm
probabilistic model
table lookup
power distribution reliability
maximum service restoration
reliability maximisation assessment
Pareto-optimisation-based reconfiguration algorithm
network reconfiguration methodologies
distributed generators
power generation faults
complex combinatorial optimisation problem
IEEE 123-bus unbalanced radial distribution systems
power system restoration
ISSN:1751-8687, 1751-8695
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Beschreibung
Zusammenfassung:Distribution system reconfiguration is a complex combinatorial optimisation problem. Finding a globally optimal solution to this problem in a short span of time is a challenging task. Two different network reconfiguration methodologies, namely a look-up table-based algorithm and a Pareto-optimisation-based algorithm have been discussed. Power loss minimisation and reliability maximisation are taken as objectives for both the methodologies when the system is in the normal operating state. The same algorithms also work for maximum service restoration under the post-fault condition. For reliability assessment in the presence of distributed generators (DGs), an algorithm is also proposed using the probabilistic model of components. In the other algorithm, reconfiguration is performed in the presence of DGs using a look-up table. The look-up table is prepared with the help of the proposed Pareto-optimisation-based reconfiguration algorithm to train the system for various loading conditions. The feasibility and effectiveness of the proposed methods are demonstrated using the IEEE 34- and IEEE 123-bus unbalanced radial distribution systems under normal and faulty conditions. The algorithms are also tested on a 13-bus practical distribution system in the field.
ISSN:1751-8687
1751-8695
DOI:10.1049/iet-gtd.2019.0028