BIBC Matrix Modification for Network Topology Changes: Reconfiguration Problem Implementation

Ayşe Aybike Şeker, Tuba Gözel and Mehmet Hakan Hocaoğlu
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Ayşe Aybike Şeker: Department of Electronics Engineering, Gebze Technical University, Kocaeli 41400, Turkey
Tuba Gözel: Department of Electronics Engineering, Gebze Technical University, Kocaeli 41400, Turkey
Mehmet Hakan Hocaoğlu: Electrical and Electronics Engineering, İstanbul Commerce University, İstanbul 34840, Turkey

Energies, 2021, vol. 14, issue 10, 1-16

Abstract: The topology of a distribution network can be represented by a bus injection to branch current (BIBC) matrix. It has been introduced and used for load flow analysis of distribution networks. In this paper, a method for BIBC matrix modification is developed to use in applications which require a topology change representation. Proposed method that reflects the changes in configuration in the system BIBC matrix is implemented in distribution network reconfiguration problem. With providing potential solutions for network operational and planning requirements such as necessitate changes in configurations to transfer the loads to a different substation, ease the loading of equipment, conduct planned maintenance and reduce network losses during the normal operation with renewables, storage and other uprising technologies, reconfiguration may also be useful for emergencies, accidents, attacks and weather-related disasters. The BIBC modification process provides the knowledge of possible switches to open and the direction of power flow without any need to further radiality or continuity check. The proposed method needs only initial network topology information that makes it suitable to apply on any distribution network and to use with any search method or heuristic/meta-heuristic optimization algorithm. Efficiency of the method is investigated on systems with voltage dependent and time varying loads.

Keywords: BIBC modification; distribution network reconfiguration; grid search; time varying loads; voltage dependent loads (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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