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Journal articles on the topic 'MV distribution network'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Lu, Qinghui, Xiang-Gen Yin, Jian Qiao, Zhichang Liu, Lingjin Zhu, and Xin Yin. "Single-phase grounding line selection method for closed-loop distribution network adapted to medium voltage microgrid access." Journal of Smart Environments and Green Computing 3, no. 3 (2023): 66–86. http://dx.doi.org/10.20517/jsegc.2023.13.

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Aim: The access of the medium-voltage (MV) microgrid changes the radial structure of traditional distribution networks, causing the distribution network to operate in a closed-loop manner. The closed-loop operation complicates the fault characteristics of the distribution network, and the traditional single-phase grounding (SPG) line selection method is no longer applicable. Therefore, it is necessary to propose a new targeted SPG line selection method. Methods: This paper analyzes the network structure of MV microgrids and MV distribution networks and establishes a multi-level closed-loop ope

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2

Helt, Piotr, and Piotr Zduńczyk. "Distribution MV and LV Network Optimal Reconfiguration." Acta Energetica, no. 21 (December 29, 2014): 79–85. http://dx.doi.org/10.12736/issn.2300-3022.2014407.

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3

Almeida, Dilini, Jagadeesh Pasupuleti, Shangari K. Raveendran, and M. Reyasudin Basir Khan. "Monte Carlo analysis for solar PV impact assessment in MV distribution networks." Indonesian Journal of Electrical Engineering and Computer Science 23, no. 1 (2021): 23. http://dx.doi.org/10.11591/ijeecs.v23.i1.pp23-31.

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The rapid penetration of solar photovoltaic (PV) systems in distribution networks has imposed various implications on network operations. Therefore, it is imperative to consider the stochastic nature of PV generation and load demand to address the operational challenges in future PV-rich distribution networks. This paper proposes a Monte Carlo based probabilistic framework for assessing the impact of PV penetration on medium voltage (MV) distribution networks. The uncertainties associated with PV installation capacity and its location, as well as the time-varying nature of PV generation and lo

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Almeida, Dilini, Jagadeesh Pasupuleti, Shangari K. Raveendran, and M. Reyasudin Basir Khan. "Monte Carlo analysis for solar PV impact assessment in MV distribution networks." Indonesian Journal of Electrical Engineering and Computer Science 23, no. 1 (2021): 23–31. https://doi.org/10.11591/ijeecs.v23.i1.pp23-31.

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The rapid penetration of solar photovoltaic (PV) systems in distribution networks has imposed various implications on network operations. Therefore, it is imperative to consider the stochastic nature of PV generation and load demand to address the operational challenges in future PV-rich distribution networks. This paper proposes a Monte Carlo based probabilistic framework for assessing the impact of PV penetration on medium voltage (MV) distribution networks. The uncertainties associated with PV installation capacity and its location, as well as the time-varying nature of PV generation and lo

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Rastgou, Abdollah, and Saman Hosseini-Hemati. "Simultaneous Planning of the Medium and Low Voltage Distribution Networks under Uncertainty: A Bi-Level Optimization Approach." International Transactions on Electrical Energy Systems 2022 (September 28, 2022): 1–19. http://dx.doi.org/10.1155/2022/2267926.

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Distribution network expansion planning (DNEP) is one of the important matters in the field of planning and operation of electrical power systems. Since many costs and losses have occurred in the distribution networks, it has increased attention towards this network. The electrical energy distribution network is divided into two parts: the medium voltage (MV) network and the low voltage (LV) network. The main problem in this field is that planning is done either only on the MV network or only on the LV network. While planning in each of these networks has a significant effect on the other netw

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6

Zhang, Zhan, and Jin Yang. "Grid Planning Method of Medium Voltage Distribution Network Including Distributed Power Sources based on Timing Characteristics." International Journal of Electric Power and Energy Studies 2, no. 1 (2024): 11–24. http://dx.doi.org/10.62051/ijepes.v2n1.02.

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Aiming at the problems of unbalanced load distribution of feeders and low utilization rate of system resources in existing medium voltage(MV) distribution network planning, it is difficult to meet the requirements of future grid construction, Propose a grid planning method of MV distribution network including distributed generator(DG) based on timing characteristics. Firstly, based on the existing grid planning achievements and temporal characteristics analysis, the grid structure and planning strategy of the MV distribution network are formed. Secondly, based on the network planning strategy,

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7

Sundeep, S., Trinath K, Ch Naga Koti Kumar, and P. Linga Reddy. "A New Approach for Mitigation of Voltage Dips on MV/LV Distribution Network." International Journal of Engineering and Technology 3, no. 4 (2011): 388–93. http://dx.doi.org/10.7763/ijet.2011.v3.257.

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8

Laaksonen, Hannu Jaakko Johannes. "Future-Proof MV Distribution Network Short-Circuit Protection Scheme." International Review of Electrical Engineering (IREE) 10, no. 1 (2015): 98. http://dx.doi.org/10.15866/iree.v10i1.5100.

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9

Parol, Miroslaw, Jacek Wasilewski, Tomasz Wojtowicz, Bartlomiej Arendarski, and Przemyslaw Komarnicki. "Reliability Analysis of MV Electric Distribution Networks Including Distributed Generation and ICT Infrastructure." Energies 15, no. 14 (2022): 5311. http://dx.doi.org/10.3390/en15145311.

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In recent years, the increased distributed generation (DG) capacity in electric distribution systems has been observed. Therefore, it is necessary to research existing structures of distribution networks as well as to develop new (future) system structures. There are many works on the reliability of distribution systems with installed DG sources. This paper deals with a reliability analysis for both present and future medium voltage (MV) electric distribution system structures. The impact of DG technology used and energy source location on the power supply reliability has been analyzed. The re

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10

Saad, Saad Muftah, Naser El Naily, and Faisal A. Mohamed. "Investigating the effect of DG infeed on the effective cover of distance protection scheme in mixed-MV distribution network." International Journal of Renewable Energy Development 7, no. 3 (2018): 223–31. http://dx.doi.org/10.14710/ijred.7.3.223-231.

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The environmental and economic features of renewable energy sources have made it possible to be integrated as Distributed Generation (DG) units in distribution networks and to be widely utilized in modern distribution systems. The intermittent nature of renewable energy sources, altering operational conditions, and the complex topology of active distribution networks makes the level of fault currents significantly variable. Thus, the use of distance protection scheme instead of conventional overcurrent schemes offers an appropriate alternative for protection of modern distribution networks. In

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11

Zhao, Hongshan, Weitao Zhang, and Yan Wang. "An Effective Method to Calculate Frequency Response of Distribution Networks for PLC Applications." Electronics 8, no. 6 (2019): 649. http://dx.doi.org/10.3390/electronics8060649.

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Modelling and estimating power-line communication (PLC) channels are complicated issues due to the complex network topologies, various junctions, and changeable loads. This paper focuses on the frequency response characteristics (FRCs) of medium-voltage (MV) PLC networks with special consideration of two scenarios that are often neglected but generally exist. In the first scenario, the MV distribution network is of the ring topology. In the second scenario, the MV overhead lines and underground cables join at junctions, and the shields of underground cables are grounded with nonzero grounding

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12

Sagovac, I., and G. Sagovac. "Equalizing voltage levels in MV distribution network of Elektra Zagreb." Renewable Energy and Power Quality Journal 1, no. 07 (2009): 754–57. http://dx.doi.org/10.24084/repqj07.495.

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13

Ivković, Sejo, Adnan Bosović, and Mustafa Musić. "Optimal Capacitor Placement in Real Distribution Network with Reactive Power Support of Distributed Generation." B&H Electrical Engineering 18, no. 1 (2024): 12–23. http://dx.doi.org/10.2478/bhee-2024-0002.

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Abstract This paper investigates the strategic placement of capacitor banks in the distribution network of Gračanica, with a specific focus on the medium-voltage feeder Grades. The primary objective is to optimize voltage profiles, minimize power losses, and enhance the overall performance of the distribution network. The significance of this research lies in its thorough examination of optimal capacitor placement within the medium-voltage (MV) branch of distribution networks, specifically considering the intricate interplay between capacitor banks and MV branch components, underlining the nec

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14

Almeida, Dilini, Jagadeesh Pasupuleti, Shangari K. Raveendran, and M. Reyasudin Basir Khan. "Performance Evaluation of Solar PV Inverter Controls for Overvoltage Mitigation in MV Distribution Networks." Electronics 10, no. 12 (2021): 1456. http://dx.doi.org/10.3390/electronics10121456.

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The incorporation of real and reactive power control of solar photovoltaic (PV) inverters has received significant interest as an onsite countermeasure to the voltage rise problem. This paper presents a comprehensive analysis of the involvement of active power curtailment and reactive power absorption techniques of solar PV inverters for voltage regulation in medium voltage (MV) distribution networks. A case study has been conducted for a generic MV distribution network in Malaysia, demonstrating the effectiveness of fixed power factor control, Volt–Var, and Volt–Watt controls in mitigating ov

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15

Mršić, Predrag, Đorđe Lekić, Bojan Erceg, et al. "Probabilistic Techno-Economic Optimization in Medium Voltage Distribution Networks with Fault Passage Indicators and Fault Locators." Electronics ETF 22, no. 2 (2019): 80. http://dx.doi.org/10.7251/els1822080m.

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Fault passage indicators (FPIs) and fault locators (FLs) are employed in modern distribution networks in order to enhance the process of fault localization, thus resulting in reduction of interruption time and improving the reliability of power supply. In this paper, a novel probabilistic techno-economic optimization method is proposed for determining the number and positions of FPIs that lead to maximum reduction of interruptiontime and investment costs in medium voltage (MV) distribution networks with and without FLs. The proposed method is basedon a probabilistic non-sequential Monte Carlo

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16

Abbas, Ahmed K., Sumaya Hamad, and Nuha A. Hamad. "Single line to ground fault detection and location in medium voltage distribution system network based on neural network." Indonesian Journal of Electrical Engineering and Computer Science 23, no. 2 (2021): 621–32. https://doi.org/10.11591/ijeecs.v23.i2.pp621-632.

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The aim of this project was to detect and locate the single ground failure lines that occurs in medium voltage (MV) networks on the transmission lines (TL). Compared with anther faults, single line-to-ground (SLG) is the most frequent. The neural network (NN) algorithm was advanced in order to discover and locate SLG faults. The network is simulated through simulated numerous defects at various locations, as well as changing earth resistance from (or 100 Ω) to TL to gather all of the data. In the electromagnetic transients’ program (EMTP) program software, the existing fault have been me

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17

Maghami, Mohammad Reza, Jagadeesh Pasupuleti, and Chee Mei Ling. "A Static and Dynamic Analysis of Photovoltaic Penetration into MV Distribution Network." Processes 11, no. 4 (2023): 1172. http://dx.doi.org/10.3390/pr11041172.

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Photovoltaic (PV) systems are becoming increasingly prevalent worldwide, particularly in power distribution networks. However, their intermittency and integration into distribution networks can have adverse effects. This study investigates the impact of large-scale solar integration into a typical Malaysian power grid network, focusing on voltage stability, short circuits, and power loss under peak and no-load conditions. Using Digsilent Power Factory software, static and dynamic power flow analyses were performed on a network consisting of two 132/11 kV transformers, an 11 kV busbar, and 112

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18

Abbas, Ahmed K., Sumaya Hamad, and Nuha A. Hamad. "Single line to ground fault detection and location in medium voltage distribution system network based on neural network." Indonesian Journal of Electrical Engineering and Computer Science 23, no. 2 (2021): 621. http://dx.doi.org/10.11591/ijeecs.v23.i2.pp621-632.

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<p>The aim of this project was to detect and locate the single ground failure lines that occurs in medium voltage (MV) networks on the transmission lines (TL). Compared with anther faults, single line-to-ground (SLG) is the most frequent. The neural network (NN) algorithm was advanced in order to discover and locate SLG faults. The network is simulated through simulated numerous defects at various locations, as well as changing earth resistance from (or 100 Ω) to TL to gather all of the data. In the electromagnetic transients’ program (EMTP) program software, the existing fault have been

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19

Bouafia, Abdelkader, and Djamel Labed. "Contribution of DGs in the stability and voltage drop reduction for future MV network in desert regions." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 2 (2020): 977–87. https://doi.org/10.11591/ijpeds.v11.i2.pp977-987.

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Day by day, the integration of decentralized generation in medium voltage networks becomes more important during the last years and even in the near future. This increase causes, at the same time, several negative effects and rarely positive impacts on the stability of the network. Therefore, this work aims at analyzing the impact of ambient temperature on radial distribution network parameters’ e.g.: voltage drop and stability voltage level (index). Based on MATLAB program, different analyses of distributed generation (DG) insertion influence’s on voltage drop in the radial distri

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20

Silva, João. "Quality of Service and Economic Assessment of a MV Distribution Network Fault Locator." U.Porto Journal of Engineering 3, no. 3 (2018): 48–52. http://dx.doi.org/10.24840/2183-6493_003.003_0006.

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The fault management process consists of several sub-tasks: fault location, fault isolation and service restoration. This work presents an assessment and evaluation of the practical aspects of the Medium Voltage (MV) Fault Locator at the Portuguese Distribution System primary substation. Eighty samples of incidents occurred at different MV network with different characteristics in Portugal were used to determine the time saving on the restoration process as well as the improvement on the quality of services indices. An economical assessment based of the use of the MV Distribution Network Fault

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21

Kong, Tao, Haozhong Cheng, Zechun Hu, and Liangzhong Yao. "Multiobjective planning of open-loop MV distribution networks using ComGIS network analysis and MOGA." Electric Power Systems Research 79, no. 2 (2009): 390–98. http://dx.doi.org/10.1016/j.epsr.2008.08.004.

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22

Su, Xiangjing, Jining Liu, Shuxin Tian, et al. "A Multi-Stage Coordinated Volt-Var Optimization for Integrated and Unbalanced Radial Distribution Networks." Energies 13, no. 18 (2020): 4877. http://dx.doi.org/10.3390/en13184877.

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The growing penetrations of rooftop photovoltaics (PVs) into low-voltage (LV) distribution networks are challenging voltage regulation. Developing an effective volt-var (VV) control has been the focus of many researchers with various approaches proposed so far. However, assuming a single voltage level and balanced network model, widely adopted in existing literatures, tends to cause inaccurate and even infeasible control solutions. Besides, existing distribution VV control studies are usually based on the day-ahead predictions of PV generations and loads, introducing inevitable and non-negligi

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23

Gawlak, Anna. "Profitability of investment in power distribution industry." E3S Web of Conferences 84 (2019): 02003. http://dx.doi.org/10.1051/e3sconf/20198402003.

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Striving towards improving efficiency in the power sector puts an obligation on distribution companies to seek ways of reducing electricity loss. The highest energy loss in the distribution network is attested in electricity meters, in LV and MV lines and in MV/LV transformers. The paper analyses effectiveness of investment aimed to reduce energy loss in a distribution company. The analysis is carried out with the use of SPBP, IRR and NPV.

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24

Rodríguez-Calvo, Andrea, Rafael Cossent, and Pablo Frías. "Assessing the potential of MV automation for distribution network reliability improvement." International Transactions on Electrical Energy Systems 27, no. 10 (2017): e2383. http://dx.doi.org/10.1002/etep.2383.

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25

Abdelkader, Bouafia, and Labed Djamel. "Contribution of DGs in the stability and voltage drop reduction for future MV network in desert regions." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 2 (2020): 977. http://dx.doi.org/10.11591/ijpeds.v11.i2.pp977-987.

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<p>Day by day, the integration of decentralized generation in medium voltage networks becomes more important during the last years and even in the near future. This increase causes, at the same time, several negative effects and rarely positive impacts on the stability of the network. Therefore, this work aims at analyzing the impact of ambient temperature on radial distribution network parameters’ e.g.: voltage drop and stability voltage level (index). Based on MATLAB program, different analyses of distributed generation (DG) insertion influence’s on voltage drop in the radial distribut

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26

Ghareeb, Moustafa. "Differential Evolution Algorithm for Coordination of SVC Modules in MV Distribution Systems." International Journal of Engineering and Advanced Technology (IJEAT) 12, no. 6 (2023): 1–6. https://doi.org/10.35940/ijeat.F4255.0812623.

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<strong>Abstract: </strong>This paper proposes a new strategy based on the differential evolution algorithm to optimize the performance of distribution networks through the optimal coordination of Static VAR Compensator modules (SVCs). Installation costs minimization and savings maximization due to reducing power losses are merged in one multi-objective function. In order to investigate the influences of varying loading conditions, various regular loadings are further combined. This framework implemented on a 37-bus real feeder connected to the Egyptian Unified Network (EUN). The findings of t

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27

Kothona, Despoina, and Aggelos S. Bouhouras. "A Two-Stage EV Charging Planning and Network Reconfiguration Methodology towards Power Loss Minimization in Low and Medium Voltage Distribution Networks." Energies 15, no. 10 (2022): 3808. http://dx.doi.org/10.3390/en15103808.

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The topic of power loss reduction in distribution systems has gained significant attention over recent years. Despite the efforts of the European Union towards the minimization of power losses, the decarbonization of the transport sector has raised several concerns, since charging overlaps of Electric Vehicles (EVs) can cause extensive power losses and power quality issues. Considering these, the present paper proposes a two-stage EV charging planning and Network Reconfiguration (NR) methodology, addressing the problem of power loss minimization in both Low-Voltage (LV) and Medium-Voltage (MV)

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28

Pipić, Aida, Adnan Bosović, and Mustafa Musić. "Profile Optimisation in Real Distribution Networks (Case Study Long MV Feeder)." B&H Electrical Engineering 17, s1 (2023): 10–20. http://dx.doi.org/10.2478/bhee-2023-0013.

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Abstract In the dynamic field of power systems, integrating distributed generation (DG) sources like solar photovoltaic (PV) plants is crucial for enhancing reliability and fostering sustainability. However, this integration poses voltage profile management challenges in electrical grids. This study investigates voltage profile optimization in Bosnia and Herzegovina’s Gračanica network, focusing on a medium voltage feeder with 68 buses. Using DIgSILENT PowerFactory software, six scenarios with different configurations of solar plants are analyzed for their impact on voltage profiles and power

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29

Liu, Wenjun, Shuaihu Li, Rui Ma, and Shuyun He. "Reliability assessment of distribution networks with medium-voltage and low-voltage flexible interconnections considering graded transfer." Journal of Physics: Conference Series 2903, no. 1 (2024): 012031. https://doi.org/10.1088/1742-6596/2903/1/012031.

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Abstract For flexible interconnection, flexible interconnected devices (FID) are utilized to upgrade or build connection nodes, which can provide more ways for load recovery after faults, thereby improving the reliability level of the distribution network. Based on the characteristics of connection switch, medium-voltage (MV), and low-voltage (LV) flexible interconnection transfer methods, a reliability assessment method is proposed in this paper for medium-voltage and low-voltage flexible interconnection distribution networks (MLFIDN) considering graded transfer. First, a multi-state reliabil

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30

Krasnoperov, R. A., and A. N. Gerasimov. "Determination of Size Distribution of Elliptical Microvessels from Size Distribution Measurement of Their Section Profiles." Experimental Biology and Medicine 228, no. 1 (2003): 84–92. http://dx.doi.org/10.1177/153537020322800112.

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In transmission electron microscopy, microvessels (MVs) are studied as profiles on ultrathin sections. To determine MV sizes from measurements made on MV profiles, an assumption must be made about MV shape, a circular cylinder being used to approximate the latter on limited lengths. However, this model is irrelevant in case MVs have some flatness. The elliptical cylinder model is preferable, although relationships between the cylinder profile (two-dimensional; 2D) and its true (three-dimensional; 3D) sizes are not yet known. We have obtained the 2D/3D functions that express the relationships b

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31

Pijarski, Paweł, Piotr Kacejko, and Marek Wancerz. "Voltage Control in MV Network with Distributed Generation—Possibilities of Real Quality Enhancement." Energies 15, no. 6 (2022): 2081. http://dx.doi.org/10.3390/en15062081.

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Connecting an increasing number of distributed sources in MV (medium voltage) and LV (low voltage) distribution networks causes voltage problems resulting mainly from periodic power flows towards the HV/MV (HV—high voltage) transformer station. This temporarily changes the nature of distribution networks from receiving to supply networks and causes an increase in the voltage values deep within the network, often above the permissible level. Therefore, it is necessary to search for new voltage control methods that take into account the active participation of distributed sources. The article pr

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32

Angrisani, Leopoldo, Francesco Bonavolontà, Annalisa Liccardo, and Rosario Schiano Lo Moriello. "On the Use of LoRa Technology for Logic Selectivity in MV Distribution Networks." Energies 11, no. 11 (2018): 3079. http://dx.doi.org/10.3390/en11113079.

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In this paper, a logic selectivity system based on Long Range (LoRa) technology for the protection of medium-voltage (MV) networks is proposed. The development of relays that communicate with each other using LoRa allows for the combination of the cost-effectiveness and ease of installation of wireless networks with long-range coverage and reliability. The realized demonstrator to assess the proposed system is also presented in the paper; based on different types of faults and different locations, the times needed for clearing a fault and restoring the network were estimated from repeated expe

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33

Li, Jinlin, Tianjun Jing, Jiangbo Wang, Kun Wang, and Lei Wang. "Study on the Limit Penetration Level Evaluation Method of Distributed Photovoltaics Based on Large Sample Generation-Load Data." Energies 12, no. 18 (2019): 3544. http://dx.doi.org/10.3390/en12183544.

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The three-step rule of distributed photovoltaic (DPVs) connecting to a distribution network in the planning of practical photovoltaic projects is modeled in this paper. On this basis, a method based on large sample historical generation-load data is proposed to comprehensively evaluate the DPV limit penetration level of the low voltage–medium voltage (LV-MV) distribution network, which is the premise of DPV connection planning. Considering the fluctuations of generation-load data in time and space, the DPV limit penetration level of the LV network is evaluated based on kernel density estimatio

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34

Moustafa, Ghareeb. "Differential Evolution Algorithm for Coordination of SVC Modules in MV Distribution Systems." International Journal of Engineering and Advanced Technology 12, no. 6 (2023): 1–6. http://dx.doi.org/10.35940/ijeat.f4255.0812623.

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This paper proposes a new strategy based on the differential evolution algorithm to optimize the performance of distribution networks through the optimal coordination of Static VAR Compensator modules (SVCs). Installation costs minimization and savings maximization due to reducing power losses are merged in one multi-objective function. In order to investigate the influences of varying loading conditions, various regular loadings are further combined. This framework implemented on a 37-bus real feeder connected to the Egyptian Unified Network (EUN). The findings of the simulation reveal eviden

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35

Colella, Pietro, Roberto Napoli, Enrico Pons, et al. "Currents Distribution During a Fault in an MV Network: Methods and Measurements." IEEE Transactions on Industry Applications 52, no. 6 (2016): 4585–93. http://dx.doi.org/10.1109/tia.2016.2600672.

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36

Nahman, J., and M. Zlatanoski. "Risk of fatal electric shocks at distribution network MV/LV transformer stations." IEE Proceedings - Generation, Transmission and Distribution 145, no. 4 (1998): 463. http://dx.doi.org/10.1049/ip-gtd:19981985.

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Dib, M., A. Nejmi, M. Ramzi, and M. Elhafyani. "Voltage regulation and minimization of loses in the presence of renewable energy sources on the medium voltage network." International Journal of Engineering & Technology 9, no. 1 (2020): 202. http://dx.doi.org/10.14419/ijet.v9i1.29929.

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The Moroccan electricity network has been designed and sized to work with high power outputs connected to the transmission network. This it delivers a unidirectional power flow from production to consumption. In this configuration, the electricity network carries electricity from production plants mainly connected to the transmission network to customers through the distribution network. Therefore, voltage-setting devices on the distribution network such as load-adjustable power transformers and medium voltage MV capacitor banks are set and operated. The inclusion of the Decentralized Generati

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Gatta, Fabio, Alberto Geri, Stefano Lauria, and Marco Maccioni. "An Equivalent Circuit for the Evaluation of Cross-Country Fault Currents in Medium Voltage (MV) Distribution Networks." Energies 11, no. 8 (2018): 1929. http://dx.doi.org/10.3390/en11081929.

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A Cross-Country Fault (CCF) is the simultaneous occurrence of a couple of Line-to-Ground Faults (LGFs), affecting different phases of same feeder or of two distinct ones, at different fault locations. CCFs are not uncommon in medium voltage (MV) public distribution networks operated with ungrounded or high-impedance neutral: despite the relatively small value of LGF current that is typical of such networks, CCF currents can be comparable to those that are found in Phase-To-Phase Faults, if the affected feeder(s) consists of cables. This occurs because the faulted cables’ sheaths/screens provid

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Sirviö, Katja H., Mike Mekkanen, Kimmo Kauhaniemi, et al. "Accelerated Real-Time Simulations for Testing a Reactive Power Flow Controller in Long-Term Case Studies." Journal of Electrical and Computer Engineering 2020 (June 5, 2020): 1–17. http://dx.doi.org/10.1155/2020/8265373.

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This paper presents the development of an accelerated real-time cosimulation and testing platform, especially for long-term simulations of power systems. The platform is planned to be utilized in the development and testing of active network management functions for microgrids and smart grids. Long-term simulations are needed in order to study, for example, the potential weekly, monthly, or yearly usage of distribution-network-connected distributed energy resources for different technical flexibility services. In order to test new algorithms in long-term study cases, real-time simulations or h

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Ilea, Valentin, Cristian Bovo, Davide Falabretti, et al. "Voltage Control Methodologies in Active Distribution Networks." Energies 13, no. 12 (2020): 3293. http://dx.doi.org/10.3390/en13123293.

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Renewable Energy Sources are becoming widely spread, as they are sustainable and low-carbon emission. They are mostly penetrating the MV Distribution Networks as Distributed Generators, which has determined the evolution of the networks’ control and supervision systems, from almost a complete lack to becoming fully centralized. This paper proposes innovative voltage control architectures for the distribution networks, tailored for different development levels of the control and supervision systems encountered in real life: a Coordinated Control for networks with basic development, and an optim

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Zhang, Mingze, and Xin Ai. "A New Approach for Single-Phase-to-Ground Fault Detection in Mid-Voltage Systems Using Low-Voltage Sensors." Symmetry 16, no. 4 (2024): 410. http://dx.doi.org/10.3390/sym16040410.

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Single-phase-to-ground fault in low-current grounding systems represents a serious public safety concern. Low-voltage (LV) sensors, with their growing maturity, can now monitor multiple points of the mid-voltage (MV) distribution network. This paper proposes a new method for identifying single-phase-to-ground line faults and locating them using LV sensors deployed on the LV side of distribution transformers. We analyze the characteristics of the negative-sequence signal on the LV side after a single-phase grounding fault occurs on the MV side. The negative-sequence current can distinguish betw

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Chrzan, Marcin, Szymon Moszyński, and Daniel Pietruszczak. "Post-assembly measurements of devices and energy network for MV power grids." AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe 19, no. 12 (2018): 341–49. http://dx.doi.org/10.24136/atest.2018.411.

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The paper presents the analysis of post-assembly measurements of devices and energy network for MV power grids. They are presented on the examples of transmission and distribution devices present in various industrial and manufacturing plants in Poland.

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Shaqiri, Rexhep. "Reducing the Losses in the Electrical Power System of Kosovo by Implementation of New Type of Transformers in the Power Distribution System." Materials Science Forum 856 (May 2016): 331–36. http://dx.doi.org/10.4028/www.scientific.net/msf.856.331.

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This paper contains a strategy to minimize the power losses in the electrical distribution network of Kosovo. In order to develop the strategy, a model was constructed to simulate an electrical distribution network, and different parameters were included that helped in estimation of the technical power losses in the medium voltage (MV) distribution network. The main objective of this paper is to present approach to minimize technical and non-technical losses in power systems. The analysis of the Kosovo electric power system was performed by means of PSS/E 3.3 software. The results indicate opt

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Dell'Olmo, Jacopo, Fabio Massimo Gatta, Alberto Geri, Marco Graziani, Stefano Lauria, and Marco Maccioni. "Clarke Transform Based Fast Assessment of Switching Overvoltages in an MV Distribution Network." Electric Power Systems Research 212 (November 2022): 108255. http://dx.doi.org/10.1016/j.epsr.2022.108255.

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Tamp, Fabian, and Phil Ciufo. "A Sensitivity Analysis Toolkit for the Simplification of MV Distribution Network Voltage Management." IEEE Transactions on Smart Grid 5, no. 2 (2014): 559–68. http://dx.doi.org/10.1109/tsg.2014.2300146.

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Fandi, Ghaeth, Famous Omar Igbinovia, Josef Tlusty, and Rateb Mahmoud. "Voltage regulation and power losses reduction in a wind farm integrated MV distribution network." Journal of Electrical Engineering 69, no. 1 (2018): 85–92. http://dx.doi.org/10.1515/jee-2018-0012.

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Abstract A medium-voltage (MV) wind production system is proposed in this paper. The system applies a medium-voltage permanent magnet synchronous generator (PMSG) as well as MV interconnection and distribution networks. The simulation scheme of an existing commercial electric-power system (Case A) and a proposed wind farm with a gearless PMSG insulated gate bipolar transistor (IGBT) power electronics converter scheme (Case B) is compared. The analyses carried out in MATLAB/Simulink environment shows an enhanced voltage profile and reduced power losses, thus, efficiency in installed IGBT power

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Lazaropoulos, Athanasios G. "Broadband over Power Lines Systems Convergence: Multiple-Input Multiple-Output Communications Analysis of Overhead and Underground Low-Voltage and Medium-Voltage BPL Networks." ISRN Power Engineering 2013 (September 15, 2013): 1–30. http://dx.doi.org/10.1155/2013/517940.

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This review paper reveals the broadband potential of overhead and underground low-voltage (LV) and medium-voltage (MV) broadband over power lines (BPL) networks associated with multiple-input multiple-output (MIMO) technology. The contribution of this review paper is fourfold. First, the unified value decomposition (UVD) modal analysis is introduced. UVD modal analysis is a new technique that unifies eigenvalue decomposition (EVD) and singular value decomposition (SVD) modal analyses achieving the common handling of traditional SISO/BPL and upcoming MIMO/BPL systems. The validity of UVD modal

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RAVADANEGH, SAJAD NAJAFI, ARASH VAHIDNIA, and HOJAT HATAMI. "ON OPTIMAL DESIGN AND EXPANSION OF ELECTRICAL POWER DISTRIBUTION SYSTEMS." Journal of Circuits, Systems and Computers 19, no. 01 (2010): 45–58. http://dx.doi.org/10.1142/s0218126610005962.

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Optimal planning of large-scale distribution networks is a multiobjective combinatorial optimization problem with many complexities. This paper proposes the application of improved genetic algorithm (GA) for the optimal design of large-scale distribution systems in order to provide optimal sizing and locating of the high voltage (HV) substations and medium voltage (MV) feeders routing, using their corresponding fixed and variable costs associated with operational and optimization constraints. The novel approach presented in the paper, solves hard satisfactory optimization problems with differe

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Novitskiy, Alexander, Steffen Schlegel, and Dirk Westermann. "Estimation of Power Losses Caused by Supraharmonics." E3S Web of Conferences 209 (2020): 07008. http://dx.doi.org/10.1051/e3sconf/202020907008.

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Nowadays increases the number of power electronic devices in distribution electrical networks rapidly. Modern generation and consumption units use high switching frequency power converters for the network connection and therefore cause the voltage and current distortion in the frequency range over 2 kHz (so-called “supraharmonics”) in addition to conventional harmonics. Supraharmonics cause additional power losses in electrical equipment. The goal of the offered paper is the estimation of power losses caused by supraharmonics. The estimation is based on the measurement results obtained in a re

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Zhang, Dehai, Wenhai Zhang, Changzhi Wang, and Xianyong Xiao. "Fault Segment Location for MV Distribution System Based on the Characteristic Voltage of LV Side." Electronics 12, no. 7 (2023): 1734. http://dx.doi.org/10.3390/electronics12071734.

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The voltage and current measurement of the medium-voltage (MV) side are used for the traditional fault location method, which leads to a high installation cost of the measurement and complicated post-operational and maintenance work. A fault location method is proposed based on the distributed measurement at the low-voltage (LV) side. On the analysis of voltage distribution rules and the influence of the distribution transformer on voltage transmission, obvious differences are found in the variation of voltage (phase voltage and sequence voltage) at the LV side for different faults—specificall

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