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Applied Sciences
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Active Distribution Network
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Active Distribution Network

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (20 September 2018) | Viewed by 9123

Special Issue Editor

Dr. Rachid Cherkaoui

E-Mail Website
Guest Editor
Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
Interests: electrical power systems; electrical distribution systems; distributed generation and storage; electricity market

Special Issue Information

Dear Colleagues,

The highly-increasing penetration of distributed energy generation (DGs) and storage systems (DESSs) has changed the face of distribution networks, from passive to active networks (ADNs). This movement has changed different aspects of distribution network operations, such as monitoring, control, and protection schemes. Moreover, ADNs are supposed to be managed according to the smartgrid concept, and, therefore, should be equipped with the new generation of communication, automation, and protection infrastructure. This modernization implies a higher level of requirements regarding the quality of supply. Taking into account all the above, this Special Issue is dedicated to topics related to ADNs, including both technical and economic topics. Submitted manuscripts should be unpublished and report significant advances.

Dr. Rachid Cherkaoui
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Active distribution networks
  • Distributed generation (DG)
  • Distributed Energy Storage System (DESS)
  • Smartgrid
  • Monitoring
  • Control
  • Protection

Published Papers (3 papers)

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Research

23 pages, 2917 KiB  
Article
Considering the Life-Cycle Cost of Distributed Energy-Storage Planning in Distribution Grids
by Tao Xu, He Meng, Jie Zhu, Wei Wei, He Zhao, Han Yang, Zijin Li and Yi Ren
Appl. Sci. 2018, 8(12), 2615; https://doi.org/10.3390/app8122615 - 13 Dec 2018
Cited by 18 | Viewed by 2516
Abstract
In the face of the radical revolution of energy systems, there is a gradually held consensus regarding the adoption of distributed renewable energy resources, represented by Photovoltaic (PV) and wind generation. Consequently, the distributed Energy Storage Systems (ESSs) have become increasingly important in [...] Read more.
In the face of the radical revolution of energy systems, there is a gradually held consensus regarding the adoption of distributed renewable energy resources, represented by Photovoltaic (PV) and wind generation. Consequently, the distributed Energy Storage Systems (ESSs) have become increasingly important in the distribution networks, as they provide the arbitrage and ancillary services. Determining the optimal installation site and the capacity of the distributed ESSs will defer the network reinforcements, reduce the investment of ESSs, and improve the reliability, flexibility, and efficiency of distribution grids. In order to investigate the optimal ESS configuration and to solve voltage fluctuations brought by the increased penetration of PV, in this study a two-stage heuristic planning strategy has been proposed, which considers both the economic operation and the lifetime of the distributed ESSs, to determine the optimal sitting and sizing of the ESSs, in the distribution grids. The first stage decides the optimal installation site and the economic scheduling of the ESSs, aiming to minimize the fabricating cost of the distributed ESSs and the network losses. Based on the output of the first stage, the second stage planning is further delivered to achieve the optimal ESS capacity, considering the Life-Cycle Cost (LCC) minimization. Finally, the feasibility and effectiveness of the proposed method is verified on a typical distribution case study network. Full article
(This article belongs to the Special Issue Active Distribution Network)
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21 pages, 4121 KiB  
Article
Adaptive Impedance-Based Fault Location Algorithm for Active Distribution Networks
by Cesar Orozco-Henao, Arturo Suman Bretas, Juan Marín-Quintero, Andres Herrera-Orozco, Juan Diego Pulgarín-Rivera and Juan C. Velez
Appl. Sci. 2018, 8(9), 1563; https://doi.org/10.3390/app8091563 - 05 Sep 2018
Cited by 12 | Viewed by 2645
Abstract
Modern fault location methods are robust; however, they depend strongly on the availability of the measurements given by Distributed Energy Resources (DER). If the communication or synchronism of this information is lost, the fault location is not possible. This paper proposes an adaptive [...] Read more.
Modern fault location methods are robust; however, they depend strongly on the availability of the measurements given by Distributed Energy Resources (DER). If the communication or synchronism of this information is lost, the fault location is not possible. This paper proposes an adaptive impedance-based fault location algorithm for active distribution systems. The proposal combines information provided by Intelligent Electronic Devices (IEDs) located at the substation, the knowledge of the network topology and parameters, as well as the distributed power sources, to estimate the fault location. Its adaptive feature is given by the use of a Distributed Energy Resources (DER) electrical model. This model is used to estimate the DER current contribution to the fault, in case the information provided by a local IED is not available. The method takes two types of DER technologies into account: Inverter non-interfaced DER (INIDER) and Inverter-interfaced DER (IIDER). The proposed method is validated on a modified IEEE 34-node test feeder, which was simulated with ATP/EMTP. The results obtained using the IEDs information, presented a maximum error of 0.8%. When this information is not available, the method’s performance decreases slightly, obtaining a maximum error of 1.1%. The proposed method showed better performance when compared with two state of the art methods, indicating potential use for real-life applications. Full article
(This article belongs to the Special Issue Active Distribution Network)
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17 pages, 4959 KiB  
Article
A New Passive Islanding Detection Solution Based on Accumulated Phase Angle Drift
by Jinlei Xing and Longhua Mu
Appl. Sci. 2018, 8(8), 1340; https://doi.org/10.3390/app8081340 - 10 Aug 2018
Cited by 6 | Viewed by 3523
Abstract
The existing passive methods for islanding detection are mainly based on the detection of voltage and frequency deviation after islanding, using protections such as voltage vector shift (VVS) and rate of change of frequency (ROCOF). Although there are reported issues with these passive [...] Read more.
The existing passive methods for islanding detection are mainly based on the detection of voltage and frequency deviation after islanding, using protections such as voltage vector shift (VVS) and rate of change of frequency (ROCOF). Although there are reported issues with these passive methods such as inherent non-detection zones and nuisance trips, utilities prefer the passive methods due to the low cost and simplicity of deployment. In this paper, one composite passive islanding detection method is presented. It tracks the voltage phase angle, the system frequency, and ROCOF every power cycle. If three phase voltage vectors shift in the same direction and the rotated angle values are balanced, the calculation of the accumulated phase angle drift (PAD) will be initiated. This calculation continues until the ROCOF measurement is below the ROCOF setting threshold. If the accumulated phase angle drift reaches the set angle threshold, the condition for islanding is claimed. The performance of this composite method is verified under different scenarios based on Matlab Simscape multidomain physical systems and practical waveforms recorded from sites. Although there are still non-detection zones, this composite PAD solution has better sensitivity than existing VVS and ROCOF methods and is stable under external system faults. Full article
(This article belongs to the Special Issue Active Distribution Network)
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