New Trends in Control Strategy for Smart Grids

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 April 2023) | Viewed by 1393

Special Issue Editors


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Guest Editor
Institute of Automatic Control, Electronics and Electrical Engineering, University of Zielona Góra, 65-516 Zielona Góra, Poland
Interests: power electronics; matrix converter; power systems; power quality; smart grid; energy storage devices
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute of Metrology, Electronics and Computer Science, University of Zielona Góra, 65-417 Zielona Góra, Poland
Interests: energy management systems; energy informatics; deep learning; HVAC; hybrid electric vehicles; industrial internet of things; java; learning (artificial intelligence); load forecasting; NP-hard problem; task scheduling algorithms in measurement and control systems; construction and configuration of measurement and control systems using wired and wireless communication (IEEE 802.11; IEEE 802.15.1;IEEE 802.15.4); development of application software for dedicated measurement and control systems

Special Issue Information

Dear Colleagues,

Today, the energy network is a complex structure, with extreme events triggered by natural disasters or user actions occurring and causing a temporary shortage or excess of power. Moreover, user actions lead to a peak demand event, and institutions managing energy networks try to react to any situations on an ongoing basis. However, the variety of energy appliance and generations from renewable energy sources complicates the process of energy management in a classic way. Attempts are underway to balance the energy demand and supply through the use of various types of algorithms. There are also problems with maintaining an appropriate energy quality, which must also be solved with the use of smart devices and various control algorithms. In addition, modern devices such as static compensators, smart transformers and energy storage are applied in the power grid. Controlling these devices also requires the use of advanced control algorithms and algorithms for selecting the place of their installation and parameters. Among other things, heuristic algorithms are used to solve NP-difficult problems. Artificial intelligence is also used, and all new control methods are based on managing the smart appliances group and intelligent energy storage.

This Special Issue is dedicated to interdisciplinary research in the area of elastic energy management systems and power quality in smart grids. This Special Issue covers topics including, but not limited to, the following:

  • Energy management systems;
  • Energy storage systems;
  • Power quality;
  • Hybrid electric vehicles;
  • IoT—Internet of Things (industrial Internet of Things);
  • Deep learning (artificial intelligence);
  • Load forecasting;
  • Distributed and network measurement systems;
  • Energy parameter monitoring systems (smart metering);
  • Application of IT tools in measuring instruments and systems;
  • Sensors and measuring transducers: concepts, structures and research;
  • Smart metering and smart grid;
  • Systems embedded in measuring equipment;
  • Cloud computing and machine learning;
  • HVAC;
  • Cyber physical systems;
  • Big data analysis in smart grid applications;
  • Renewable energy sources;
  • Power converter control algorithms in smart grid applications.

Prof. Dr. Paweł Szcześniak
Dr. Piotr Powroźnik
Guest Editors

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Published Papers (1 paper)

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Research

30 pages, 5301 KiB  
Article
Expert System Integrating Rule-Based Reasoning to Voltage Control in Photovoltaic-Systems-Rich Low Voltage Electric Distribution Networks: A Review and Results of a Case Study
by Vasilica Dandea and Gheorghe Grigoras
Appl. Sci. 2023, 13(10), 6158; https://doi.org/10.3390/app13106158 - 17 May 2023
Cited by 2 | Viewed by 903
Abstract
Nowadays, in low voltage electric distribution networks, the distribution network operators are encountering a high number of connected small-scale distributed generation units, mainly photovoltaic prosumers. The intermittent nature of the prosumers, together with the degree of uncertainty of the requested and injected powers [...] Read more.
Nowadays, in low voltage electric distribution networks, the distribution network operators are encountering a high number of connected small-scale distributed generation units, mainly photovoltaic prosumers. The intermittent nature of the prosumers, together with the degree of uncertainty of the requested and injected powers associated with all end-users from low voltage electric distribution networks, can cause voltage variations that violate the allowable limits. In this context, this paper developed an efficient and resilient expert system integrating rule-based reasoning applied to the on-load tap changer-fitted transformer to improve the efficiency of the voltage control in the PV-rich LV EDNs. An in-depth analysis based on 75 scenarios, resulting from the combinations of three indicators—the penetration degree of the photovoltaic prosumers, the consumption evolution associated with the consumers, and the energy production of the photovoltaic systems—was performed to demonstrate the efficiency of the proposed expert system in a low voltage electric distribution network from a rural area belonging to a Romanian distribution network operator. The success rate of the expert system was 86.7% (65 out of 75 scenarios did not have voltage issues). All voltages were between the allowable limits in 100% of the time slots associated with the analysed period. For the other scenarios (representing 13.3%), voltages were inside the range [−10%, +10%] in at least 95% of the time slots. Full article
(This article belongs to the Special Issue New Trends in Control Strategy for Smart Grids)
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