Fault location and detection techniques in power distribution systems with distributed generation: A review

Gururajapathy, Sophi Shilpa; Mokhlis, Hazlie; Illias, Hazlee Azil

doi:10.1016/j.rser.2017.03.021

Cited by 277 publications

(140 citation statements)

References 48 publications

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“…Fault 1 occurred at bus 5, while fault 2 occurred at bus 1. Generally, electrical faults can be classified into two types, which are: Symmetric faults and Asymmetric faults [24]. Symmetric fault indicates the three-phase fault, which means that all phases are affected by the fault occurrence.…”

Section: Resultsmentioning

confidence: 99%

Resiliency Assessment of Microgrid Systems

Ibrahim

Alkhraibat

2020

Applied Sciences

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Measuring resiliency of smart grid systems is one of the vital topics towards maintaining a reliable and efficient operation under attacks. This paper introduces a set of factors that are utilized for resiliency quantification of microgrid (MG) systems. The level of resilience (LoR) measure is determined by examining the voltage sag percentage, the level of performance reduction (LoPR) as measured by percentage of reduction of load served, recovery time (RT), which is the time system takes to detect and recover from an attack/fault, and the time to reach Power Balance state (Tb) during the islanded mode. As an illustrative example, a comparison based on the resiliency level is presented for two topologies of MGs under an attack scenario.

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Section: Resultsmentioning

confidence: 99%

Resiliency Assessment of Microgrid Systems

Ibrahim

Alkhraibat

2020

Applied Sciences

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“…In this first block, the use of the Artificial Intelligence (AI) is proposed to treat the problem of the identification of the type of fault. Within AI techniques, SVM are the most used ones because of their better results compared to other techniques [17]. In this research, the SVM are used for this purpose.…”

Section: Identification Of the Type Of Faultmentioning

confidence: 99%

An intelligent strategy for faults location in distribution networks with distributed generation

Pérez

Vásquez

Viloria

2019

IFS

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The exact location of faults in the electrical distribution systems is a problem that affects not only the users, but also the companies providing the electric service. With greater time invested in this period, the losses due to unbilled energy and inconvenience to users increases, thus decreasing the quality of service. One of the causes of the growth in time is the misunderstanding that might exist in the localization systems that act under the presence of distributed generation sources in the distribution networks. In this sense, the present research develops an intelligent diagnosis of faults in distribution systems with distributed generation. Three stages are defined: Identification of the type of fault, the location of the zone, and the exact point of fault. A mixed method based on artificial intelligence and mathematical algorithms is applied. Eleven different types of faults that can occur in a distribution system are considered with six different values of fault resistances ranging from 5 to 30. The errors found are less than 2% in the location of the fault point with robustness to variations in the load and the penetration of distributed generation.

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“…This information can be examined using artificial intelligence methods. Some artificial intelligence-based methods, that have been used in fault location, in active distribution systems, are described below [59].…”

Section: Artificial Intelligence Techniquesmentioning

confidence: 99%

Protection of Distributed Generation: Challenges and Solutions

Shahzad¹,

Kahrobaee²,

Asgarpoor³

2017

EPE

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Distributed generation (DG) is the future of energy. This technology allows the bidirectional flow of power within an electrical network. Researchers are faced with many challenges to the accurate implementation of protection schemes for DG-connected distribution network. The schemes designed must satisfy the performance requirements of selectivity, reliability, and sensitivity. Most researchers opine that conventional protection schemes based on over current detection are insufficient to completely and accurately protect a DG-connected distributed power system. There are many challenges that need to be tackled before embarking upon the journey to successfully implement these schemes. This paper summarizes the major challenges which one can encounter while designing protection schemes for DG-connected distribution networks. Some possible solutions from the literature are also mentioned. Moreover, a suggested solution for protecting future active distribution networks is provided. It is expected that this paper will act as a benchmark for future researchers in this field to tackle the challenges related to the protection of active distribution networks.

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Fault location and detection techniques in power distribution systems with distributed generation: A review

Cited by 277 publications

References 48 publications

Resiliency Assessment of Microgrid Systems

Resiliency Assessment of Microgrid Systems

An intelligent strategy for faults location in distribution networks with distributed generation

Protection of Distributed Generation: Challenges and Solutions

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