2022
DOI: 10.1109/access.2022.3146333
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A Multi-Objective Approach for Voltage Stability Enhancement and Loss Reduction Under PQV and P Buses Through Reconfiguration and Distributed Generation Allocation

Abstract: This paper proposes a novel approach of voltage stability enhancement and power loss minimization in addition to maintenance of good voltage profile in radial distribution networks through optimally placed distributed generation, network reconfiguration and voltage control of PQV bus through variable reactive power source at P bus. A multi-objective function has been proposed that considers maximum system loadability enhancement and network loss minimization. Optimization of proposed multi-objective function, … Show more

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Cited by 33 publications
(20 citation statements)
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“…The system stability index statement is as follows 40,41 : VSIk=|Vk|44(PkXkmQkRkm)24(PkXitalickm+QkRitalickm)|Vk|2, ${{VSI}}_{k}={|{V}_{k}|}^{4}-4{({P}_{k}{X}_{{km}}-{Q}_{k}{R}_{{km}})}^{2}-4({P}_{k}{X}_{{km}}+{Q}_{k}{R}_{{km}}){|{V}_{k}|}^{2},$ italicVSI=h=124k=1NBVSIk, $\sum {VSI}=\sum _{h=1}^{24}\sum _{k=1}^{{NB}}{{VSI}}_{k},$where VSIk ${{VSI}}_{k}$ is the voltage stability index, Rkm ${R}_{{km}}$ represent the resistance of the transmission lines while the Xkm ${X}_{{km}}$ is its reactance. Pk ${P}_{k}$ and Qk ${Q}_{k}$ define the real and reactive power at bus, respectively.…”
Section: Problem Formulationmentioning
confidence: 99%
See 1 more Smart Citation
“…The system stability index statement is as follows 40,41 : VSIk=|Vk|44(PkXkmQkRkm)24(PkXitalickm+QkRitalickm)|Vk|2, ${{VSI}}_{k}={|{V}_{k}|}^{4}-4{({P}_{k}{X}_{{km}}-{Q}_{k}{R}_{{km}})}^{2}-4({P}_{k}{X}_{{km}}+{Q}_{k}{R}_{{km}}){|{V}_{k}|}^{2},$ italicVSI=h=124k=1NBVSIk, $\sum {VSI}=\sum _{h=1}^{24}\sum _{k=1}^{{NB}}{{VSI}}_{k},$where VSIk ${{VSI}}_{k}$ is the voltage stability index, Rkm ${R}_{{km}}$ represent the resistance of the transmission lines while the Xkm ${X}_{{km}}$ is its reactance. Pk ${P}_{k}$ and Qk ${Q}_{k}$ define the real and reactive power at bus, respectively.…”
Section: Problem Formulationmentioning
confidence: 99%
“…P i j ( , ) is another variable used in the algorithm, which represents the proportional difference between of the jth position of the best-obtained solution and the jth position of the current solution. This calculation is performed using Equation (41).…”
Section: Exploration Phasementioning
confidence: 99%
“…In the table, bold numbers are the objective functions, and highlighted gray cell shows the best values of parameters. In case 1, objective functions are P L and VD, the best sites for the DG's are located at [14], [25], and [28] buses of different ratings for the PQ, CI, COM and MIX load models. Minimum power loss of 69.6 kW was obtained in IND load model and the smallest VD of 0.113p.u is computed in CZ load model.…”
Section: ) Optimal Allocation Of Dg and Dg-sc Effect Of Load Models O...mentioning
confidence: 99%
“…By changing the objective functions DG site and hence size are changed, therefore, weighted sum Multiobjective approaches were implemented considering various simultaneous technical, economic and environmental objective functions to find the optimal site and size of DG and SC. That includes: ant lion optimizer (ALO) [24], Jellyfish Search Algorithm [1], Constriction Factor PSO (CFPSO) [2], Grey Wolf Optimization (GWO) [25], Differential Evolutions (DE) [26], hybrid enhanced GWO and PSO (EGWO-PSO) [27], battery energy storage system (BESS) and reconfiguration along with DG and SC allocation using PSO in [28], water cycle algorithm (WCA) [29], Manta Ray foraging optimization (MRFO) were implemented in [30], whale optimization algorithms (WOA) [31], hybrid ant colony optimization (ACO) and artificial bee colony (ACO-ABC) [32]. In weighted sum approach, selection of weights for the particular objective functions is highly complex and difficult.…”
Section: Introduction a Literature Reviewmentioning
confidence: 99%
“…Contemporarily most power system optimization problems are being catered through metaheuristic algorithms. Numerous applications of metaheuristic optimization approaches in power system include optimal DG integration [9], network reconfiguration [10], optimal phasor measurement unit (PMU) placement [11], optimal scheduling of generators [12], [13], real time economic dispatch with DGs [14], [15] and VAR compensation [16].…”
Section: Introductionmentioning
confidence: 99%