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Optimization of Reactive Power Injection on Radial Distribution Network for Improved System Performance

Authors: Lasisi HO, Ajewole TO, Oladepo O, Olabode OE

DOI Info: http://doi.org/10.5281/zenodo.6721014

ABSTRACT

Distribution systems occupied a core position in the hierarchical structure of conventional power systems. However, several factors limit the expected efficiency of many practical distribution systems. It is, therefore, a thing of concern to power distribution engineers to seek better ways to manage both the amount of real power loss and deviation on bus voltage profile. On this premise, this paper presents the use of a shunt capacitor as a mitigating device. The initial state of the test case system was determined using the backward forward sweep (BFS) power flow technique. Cuckoo search algorithm (CSA) and voltage stability index (VSI) were employed to site and size the amount of reactive power injection. The proposed approach was tested on IEEE 33 bus system. Simulation results obtained were validated with other optimization algorithms. Results comparison showed that the proposed method outperformed binary particle swarm optimization (BPSO), real coded genetic algorithm (RCGA) and simulated annealing (SA). In a similar vein, system stability also improved as shown in the values obtained for VSI after integrating the shunt capacitor. This approach is therefore capable of strengthening the performance of the radial distribution system.


Affiliations: Department of Electrical and Electronic Engineering, Osun State University, Osogbo, Nigeria.
Keywords: Bus Voltage Magnitude, Cuckoo Search Algorithm, Distribution System, High Power Loss, Shunt Capacitor, Voltage Stability Index
Published date: 2022/06/30

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ISSN: 2635-3342 (Print)

ISSN: 2635-3350 (Online)

DOI: In progress

ISI Impact Factor: In progress

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