Abstract:Summary
A smart distribution system should be able to restore interrupted customers as quickly as possible after outages. By optimal allocation of switching and protective devices, it is possible to enhance the reliability and increase the restoration capacity of the loads after an outage. In this paper, by taking into account uncertainty in the load data, a novel practical method for the simultaneous planning of optimum location of switching devices including tie‐lines and remote‐control switches (RCSs), faul… Show more
“…The following computational intelligence based optimisation methods (also called metaheuristic optimisation methods) have been used for the solution of the OAPCD problem: � Alliance algorithm [62]; � Ant colony system (ACS) [33,[46][47][48]; � Artificial bee colony (ABC) [76,81,93]; � Differential evolution (DE) [84]; � Differential search [80]; � Genetic algorithm (GA) [24,25,35,36,39,43,53,56,57,61,78,86,88,89,91,95,99,100,108,110,116,117,119]; � Greedy randomized adaptive search procedure [82]; � Immune algorithm [42,51]; � Memetic algorithm [71,74]; [26]; � Shuffled frog leaping algorithm [60]; � Tabu search [45,50]. These optimisation algorithms are generally nature-inspired methods.…”
Section: Computational Intelligence Based Optimisation Methodsmentioning
confidence: 99%
“…In case an overcurrent passes through the fuse, it is heated and, depending on time, it may melt. The allocation of fuse is considered in the following reviewed works [27,29,31,35,41,45,[48][49][50]63,64,77,85,89,94,[98][99][100]104,108,110,113], and [117].…”
Section: Fusementioning
confidence: 99%
“…When a fault takes place downstream the fault indicator, it sends a signal to the control centre. The allocation of fault indicator is considered in the following reviewed works [51,53,54,61,70,[87][88][89][90][91]97,101,105,106,[108][109][110][118][119][120].…”
Section: Fault Indicatormentioning
confidence: 99%
“…Out of 98 papers, 37 works consider the power flow constraints at their optimisation models [26, 28, 32–34, 39, 44, 45, 47, 48, 50, 52, 54‐57, 59, 62, 65–68, 71, 76, 79, 81, 82, 90, 92, 93, 96, 99, 100, 107, 108, 110, 115], and [117].…”
Section: Models For Optimal Allocation Of Protection and Control Devicesmentioning
The fundamental goal of the distribution system operator (DSO) is to serve its customers with reliable and low-cost electricity. Failures in power distribution systems are responsible for 80% of customer service interruptions. The emergence of smart distribution system (SDS) with advanced distribution automation (DA) and communication infrastructure offers a great opportunity to improve reliability, through the automation of fault location, isolation, and service restoration (FLISR) process. DA includes the installation of protection and control devices (PCD). The use of PCD makes fault management more efficient, reduces average outage duration per customer in case of faults, reduces costs due to unsupplied energy, and improves distribution system reliability. Although the use of PCD remarkably enhances distribution system reliability, it is neither economical nor affordable to install them in all potential locations. To obtain the optimal allocation of PCD (OAPCD), an optimisation problem has to be formulated and solved. Several models and methods have been suggested for the OAPCD in SDSs. Herein, an overview of the state-of-the-art models and methods applied to the OAPCD in SDSs are introduced, identifying the contributions of reviewed works, identifying advantages and disadvantages, classifying and analysing current and future research directions in this area.This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
“…The following computational intelligence based optimisation methods (also called metaheuristic optimisation methods) have been used for the solution of the OAPCD problem: � Alliance algorithm [62]; � Ant colony system (ACS) [33,[46][47][48]; � Artificial bee colony (ABC) [76,81,93]; � Differential evolution (DE) [84]; � Differential search [80]; � Genetic algorithm (GA) [24,25,35,36,39,43,53,56,57,61,78,86,88,89,91,95,99,100,108,110,116,117,119]; � Greedy randomized adaptive search procedure [82]; � Immune algorithm [42,51]; � Memetic algorithm [71,74]; [26]; � Shuffled frog leaping algorithm [60]; � Tabu search [45,50]. These optimisation algorithms are generally nature-inspired methods.…”
Section: Computational Intelligence Based Optimisation Methodsmentioning
confidence: 99%
“…In case an overcurrent passes through the fuse, it is heated and, depending on time, it may melt. The allocation of fuse is considered in the following reviewed works [27,29,31,35,41,45,[48][49][50]63,64,77,85,89,94,[98][99][100]104,108,110,113], and [117].…”
Section: Fusementioning
confidence: 99%
“…When a fault takes place downstream the fault indicator, it sends a signal to the control centre. The allocation of fault indicator is considered in the following reviewed works [51,53,54,61,70,[87][88][89][90][91]97,101,105,106,[108][109][110][118][119][120].…”
Section: Fault Indicatormentioning
confidence: 99%
“…Out of 98 papers, 37 works consider the power flow constraints at their optimisation models [26, 28, 32–34, 39, 44, 45, 47, 48, 50, 52, 54‐57, 59, 62, 65–68, 71, 76, 79, 81, 82, 90, 92, 93, 96, 99, 100, 107, 108, 110, 115], and [117].…”
Section: Models For Optimal Allocation Of Protection and Control Devicesmentioning
The fundamental goal of the distribution system operator (DSO) is to serve its customers with reliable and low-cost electricity. Failures in power distribution systems are responsible for 80% of customer service interruptions. The emergence of smart distribution system (SDS) with advanced distribution automation (DA) and communication infrastructure offers a great opportunity to improve reliability, through the automation of fault location, isolation, and service restoration (FLISR) process. DA includes the installation of protection and control devices (PCD). The use of PCD makes fault management more efficient, reduces average outage duration per customer in case of faults, reduces costs due to unsupplied energy, and improves distribution system reliability. Although the use of PCD remarkably enhances distribution system reliability, it is neither economical nor affordable to install them in all potential locations. To obtain the optimal allocation of PCD (OAPCD), an optimisation problem has to be formulated and solved. Several models and methods have been suggested for the OAPCD in SDSs. Herein, an overview of the state-of-the-art models and methods applied to the OAPCD in SDSs are introduced, identifying the contributions of reviewed works, identifying advantages and disadvantages, classifying and analysing current and future research directions in this area.This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
“…The integration of DERs is further incorporated in the optimization model for optimal isolation device placements in Reference 20, which is solved by genetic algorithm. In References 21,22, load uncertainties are considered to determine isolation device placements in distribution networks with substantial uncertainties. A common drawback of these publications is that the coordinative behaviors of isolation devices to perform primary and backup protection are not formulated coherently.…”
Summary
The deployment of distributed energy resources (DER) theoretically improves the reliability of a radial distribution system by taking advantage of the ability to island DERs and customers. However, an isolation device has to be placed in order to create this “island.” On the other hand, a radial distribution system typically lacks isolation devices that are able to detect and isolate a fault, especially on the main distribution feeder, which is nowadays often protected by the substation breaker. This paper proposes a methodology to identify the optimal locations to install isolation devices in a radial distribution network with DER integrations, aiming at reliability improvements of distribution networks. We exploit utility historical load and fault data for generating multiple fault scenarios and develop a stochastic programming‐based optimization model for unserved energy minimization. Two case studies on an IEEE 4‐bus and 123‐bus systems are performed, including some sensitivity analysis.
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