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Energy Management in Prosumer-Rich Distribution Networks

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A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A1: Smart Grids and Microgrids".

Deadline for manuscript submissions: closed (1 June 2021) | Viewed by 8725

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Special Issue Editors

Dr. Krešimir Fekete

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Guest Editor

Faculty of Electrical Engineering, Computer Science and Information Technology, Osijek, Croatia
Interests: smart grid; renewable energy; power system; optimization; electricity market; power system analysis; energy management in smart grids; application of AI to power system
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Dr. Zvonimir Klaić

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Guest Editor

Faculty of Electrical Engineering, Computer Science and Information Technology, Osijek, Croatia
Interests: power quality; renewable energy; smart grid; load management; electric lighting efficiency; smart installation
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Special Issue Information

Dear Colleagues,

In the last two decades, high penetration of renewable sources in distribution networks has occurred. In parallel with this process, electricity consumers are increasingly opting for the installation of micro renewable sources, thereby changing their status from passive to active consumers, so-called prosumers. Prosumers can also own electric vehicles and/or energy storage that provide additional flexibility and load management. The increasing number of prosumers presents additional challenges for energy management both from the standpoint of the individual prosumer (optimal sizing and device selections, maximizing prosumers’ profit from electricity trade, etc.) as well as from the standpoint of the electricity market and the distribution network operation (protection of distribution network, power quality problems, etc.).

As Guest Editors, we are pleased to invite you to submit your relevant research results to be considered for publication in this Special Issue of Energies on “Energy Management in Prosumer-Rich Distribution Networks”.

Topics to be addressed in this Special Issue include (but are not limited to) the following:

Optimal sizing and device selection of prosumers;
Optimizing prosumers’ profit in the electricity market environment;
Electricity market models and architecture in the prosumer-rich distribution network;
Impact of prosumers on power quality;
Load management in the prosumer-rich distribution network;
Integration of electric vehicle and energy storage in the prosumer-rich distribution network;
Protection coordination in the prosumer-rich distribution network.

Dr. Krešimir Fekete
Dr. Zvonimir Klaić
Guest Editors

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. Energies 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 2600 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

prosumer
distribution network
renewable energy sources
electricity market
electric vehicles
load management
power quality
protection coordination

Published Papers (3 papers)

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Research

18 pages, 3005 KiB

Open AccessArticle

Method for Sizing of a PV System for Family Home Using Economic Indicators

by Zvonimir Šimić, Danijel Topić, Ilija Crnogorac and Goran Knežević

Energies 2021, 14(15), 4529; https://doi.org/10.3390/en14154529 - 27 Jul 2021

Cited by 7 | Viewed by 2814

Abstract

This paper presents a method for finding an optimal photovoltaic (PV) system according to Croatian legislation. The PV sizing model, in which a decision on investment is made according to economic indicators, is made using MATLAB Software. Based on the input data, the monthly PV system production is calculated, and electricity price formed. According to the PV system production and electricity price, economic indicators are calculated and obtained as output data. The model input data are solar irradiation, load diagram, PV system costs and market price of electricity while the model output data are PV system production, savings, profit, incomes, Net Present Value (NPV) and Levelized Cost of Electricity (LCOE). The obtained economic indicators are presented graphically and used for decision making on an optimal PV system size. The presented model is applied and presented in a case study. Full article

(This article belongs to the Special Issue Energy Management in Prosumer-Rich Distribution Networks)

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14 pages, 351 KiB

Open AccessArticle

Fault Detection in DC Microgrids Using Short-Time Fourier Transform

by Ivan Grcić, Hrvoje Pandžić and Damir Novosel

Energies 2021, 14(2), 277; https://doi.org/10.3390/en14020277 - 06 Jan 2021

Cited by 28 | Viewed by 2783

Abstract

Fault detection in microgrids presents a strong technical challenge due to the dynamic operating conditions. Changing the power generation and load impacts the current magnitude and direction, which has an adverse effect on the microgrid protection scheme. To address this problem, this paper addresses a field-transform-based fault detection method immune to the microgrid conditions. The faults are simulated via a Matlab/Simulink model of the grid-connected photovoltaics-based DC microgrid with battery energy storage. Short-time Fourier transform is applied to the fault time signal to obtain a frequency spectrum. Selected spectrum features are then provided to a number of intelligent classifiers. The classifiers’ scores were evaluated using the F1-score metric. Most classifiers proved to be reliable as their performance score was above 90%. Full article

(This article belongs to the Special Issue Energy Management in Prosumer-Rich Distribution Networks)

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15 pages, 2543 KiB

Open AccessArticle

Influence of FACTS Device Implementation on Performance of Distribution Network with Integrated Renewable Energy Sources

by Filip Relić, Predrag Marić, Hrvoje Glavaš and Ivica Petrović

Energies 2020, 13(20), 5516; https://doi.org/10.3390/en13205516 - 21 Oct 2020

Cited by 12 | Viewed by 2514

Abstract

In the modern power system, Flexible Alternating Current Transmission System (FACTS) devices are widely used. An increased share of the distributed generation (DG) and the development of microgrids change the power flows in the existing distribution networks as well as a conventional power flow direction from the transmission to the distribution network level which may affect the overall stability aspects. The paper shows the FACTS devices’ implementation influence on the performance of the distribution network with integrated renewable energy sources (RES) observing the aspects of the oscillatory stability and the low-voltage motor starting. The FACTS devices, in particular the static var compensators (SVC), have been allocated according to a novel algorithm proposed in the paper. The algorithm uses an iterative process to determine an optimal location for implementation and rating power of SVC considering active power losses minimization, improvement of the voltage profile and maximizing return of investment (ROI) of FACTS devices. Novel constraints—transformer station construction constraint, SVC industrial nominal power value constraint and the constraint of distribution system operator (DSO) economic willingness to investment in the distribution network development are considered in the proposed algorithm. The analysis has been performed on 20 kV rural distribution network model in DIgSILENT PowerFactory software. Full article

(This article belongs to the Special Issue Energy Management in Prosumer-Rich Distribution Networks)

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