Journal Article10.1007/S12667-018-0276-X
Optimization techniques applied to planning of electric power distribution systems: a bibliographic survey
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TL;DR: A comprehensive survey of the models and methods used to solve planning problems of PDS expansion, the focus being on classical optimization problems, including distributed energy resources in a modern power system era are discussed.
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Abstract: Optimization models for the solution of planning problems related to power distribution system (PDS) have been studied and used for decades The main objective is to optimize investments and minimize total costs, including investment and operation costs Some of the major concerns of the short-term expansion planning carried out by utilities are high energy losses, low power factor, and inadequate voltage magnitudes A common solution to address these concerns and improve the performance of a PDS is the installation of capacitor banks (CBs) and voltage regulators (VRs) These devices can be installed at many different points along the PDS, leading to so-called optimal CB and VR allocation problems Another common alternative is the replacement of conductors of feeders, which leads to the problem of optimal selection of conductors These can be viewed as classical optimization problems regarding the PDS expansion This paper presents a comprehensive survey of the models and methods used to solve planning problems of PDS expansion, the focus being on classical optimization problems Furthermore, models including distributed energy resources in a modern power system era are discussed, showing future research possibilities and trends
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TL;DR: In this article, a teaching learning based optimization (TLBO) approach is proposed to minimize power loss and energy cost by optimal placement of capacitors in radial distribution systems, where learners improve their knowledge or ability through the teaching methodology of teacher and in second part learners increase their knowledge by interactions among themselves.
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Optimal allocation of combined DG and capacitor for real power loss minimization in distribution networks
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Optimal capacitor placements in distribution systems. I. A new formulation and the overall problem
TL;DR: In this paper, a novel formulation of the general capacitor placement problem taking into consideration practical aspects of capacitors, the load constraints, and the operational constraints at different load levels is presented.
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Optimal capacitor placement in radial distribution system using Gravitational Search Algorithm
TL;DR: In this article, the authors adopt two methods where the first method being the sensitivity analysis and the second method is the Gravitational Search Algorithm (GSA), which is a methodical technique, which is used to reduce the search space and to arrive at an accurate solution for recognizing the locality of capacitors.
269
Optimal capacitor placement in distribution systems for power loss reduction and voltage profile improvement
TL;DR: In this paper, a two-stage procedure to identify the optimal locations and sizes of capacitors in radial distribution systems is presented. And the proposed procedure is applied to different standard test systems as 34-bus and 85-bus radial distribution system.
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