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Journal articles on the topic 'Analysis of medium voltage distribution grid'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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1

Vilela Junior, Wagner A., Antonio P. Coimbra, Gabriel A. Wainer, et al. "Analysis and Adequacy Methodology for Voltage Violations in Distribution Power Grid." Energies 14, no. 14 (2021): 4373. http://dx.doi.org/10.3390/en14144373.

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This paper proposes a computational process development capable of filling the electric power sector shortage regarding voltage non-conformities identification in electric distribution power grid accounting for loads dynamic behavior at medium and low voltages. Actual distribution power grid data are used, with georeferencing to signal voltage transgressions locations, generate a report with voltage transgression indices and financial reimbursement values provided by legislation. The methodology compares regulatory requirements and makes available in software some possible actions in an attemp

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2

Ma, Xing He, Bing Yao Yan, and Yong Sheng Wang. "Medium Voltage Distribution Network Voltage Grade Sequence Comprehensive Evaluation Based on Gray/Ahp." Applied Mechanics and Materials 273 (January 2013): 332–37. http://dx.doi.org/10.4028/www.scientific.net/amm.273.332.

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Analyze our country medium voltage distribution network voltage grade sequence current situation, consider technological factors, economic factors and equipment factors, establish voltage grade sequence analysis model, through the grey /ahp, evaluation analysis model. Finally, Given the typical regional network model, the grey/ahp analyses. Example showes, the method is helpful for regional power grid voltage grade the qualitative and quantitative evaluation.

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Diamenu, Godwin. "Statistical Analysis of Electric Power Distribution Grid Outages." European Journal of Engineering and Technology Research 6, no. 3 (2021): 27–33. http://dx.doi.org/10.24018/ejers.2021.6.3.2406.

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Power systems in general supply consumers with electrical energy as economically and reliably as possible. Reliable electric power systems serve customer loads without interruptions in supply voltage. Electric power generation facilities must produce enough power to meet customer demand. Electrical energy produced and delivered to customers through generation, transmission and distribution systems, constitutes one of the largest consumers markets the world over. The benefits of electric power systems are integrated into the much faster modern life in such extent that it is impossible to imagin

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Diamenu, Godwin. "Statistical Analysis of Electric Power Distribution Grid Outages." European Journal of Engineering and Technology Research 6, no. 3 (2021): 92–98. http://dx.doi.org/10.24018/ejeng.2021.6.3.2406.

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Power systems in general supply consumers with electrical energy as economically and reliably as possible. Reliable electric power systems serve customer loads without interruptions in supply voltage. Electric power generation facilities must produce enough power to meet customer demand. Electrical energy produced and delivered to customers through generation, transmission and distribution systems, constitutes one of the largest consumers markets the world over. The benefits of electric power systems are integrated into the much faster modern life in such extent that it is impossible to imagin

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Shang, Jiaohui, Jian Yang, Shijin Xin, Qing Xu, Mingqiang Guo, and Haitao Niu. "Analysis on dynamic characteristics and control strategy of medium structure network converter in new energy medium voltage flexible interconnection project." International Journal of Low-Carbon Technologies 20 (2025): 90–98. https://doi.org/10.1093/ijlct/ctae271.

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Abstract In view of the possible voltage and current overshoot problems in the process of new energy grid connection, the dynamic characteristics analysis and control strategy of the network converter in the new medium voltage flexible interconnection project are proposed. Firstly, a synchronous control strategy based on voltage phase and amplitude compensation is proposed. Then, based on the characteristics of new AC-DC hybrid distribution network, the new energy medium voltage flexible interconnection network is analyzed. The simulation experiment reveals the dynamic response characteristics

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Jia, Yu Wei, Wang Ding, and Jia Dong Huang. "Medium Voltage Distribution Network Planning of City Based on Reliability." Advanced Materials Research 655-657 (January 2013): 2401–4. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.2401.

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Power network planning is an important foundation of the development of the grid, its planning level and quality directly affects the security, reliability, and economic level of the power grid. This article will carry on the analysis according to the reliable condition to the city distribution network, mainly includes the structure of the urban network wiring, the form of the host wiring and medium voltage distribution network wiring and so on.

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Schultis, Daniel-Leon, and Albana Ilo. "Increasing the Utilization of Existing Infrastructures by Using the Newly Introduced Boundary Voltage Limits." Energies 14, no. 16 (2021): 5106. http://dx.doi.org/10.3390/en14165106.

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The increasing share of distributed generation aggravates voltage limit compliance at customers’ delivery points. Currently, grid operators validate compliance with the voltage limits specified in Grid Codes by conducting load flow simulations at the medium voltage level, considering the connected low voltage grids as ‘loads’ to reduce the modeling effort. This approach does not support the accurate validation of limit compliance, as the voltage drops at the low voltage level are unknown. Nevertheless, to guarantee acceptable voltages even under worst-case conditions, safety margins are involv

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Rosin, Argo, Imre Drovtar, Heigo Mõlder, et al. "Analysis of Traditional and Alternative Methods for Solving Voltage Problems in Low Voltage Grids: An Estonian Case Study." Energies 15, no. 3 (2022): 1104. http://dx.doi.org/10.3390/en15031104.

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Smart Cities can benefit from existing municipal low voltage (LV) distribution grids by supporting public services with permanent power supply and providing grid connection points to distributed generators (DG). The increased integration of DGs and inverter based non-linear loads increases voltage quality issues, thus the cost-efficient assurance of voltage quality in LV grids with long radial lines is of increasing importance for the operators of municipal electricity distribution systems. Conventional methods for mitigating voltage quality issues (e.g., power line renovation) might not be op

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Save, Nishant, Marjan Popov, Arjen Jongepier, and Gert Rietveld. "PMU-based power system analysis of a medium-voltage distribution grid." CIRED - Open Access Proceedings Journal 2017, no. 1 (2017): 1927–30. http://dx.doi.org/10.1049/oap-cired.2017.1035.

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Hu, Xuekai, Shaobo Yang, Lei Wang, Zhengji Meng, Fengming Shi, and Siyang Liao. "Evaluation Method for Voltage Regulation Range of Medium-Voltage Substations Based on OLTC Pre-Dispatch." Energies 17, no. 17 (2024): 4494. http://dx.doi.org/10.3390/en17174494.

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A new energy industry represented by photovoltaic and wind power has been developing rapidly in recent years, and its randomness and volatility will impact the stable operation of the power system. At present, it is proposed to enrich the regulation of the power grid by tapping the regulation potential of load-side resources. This paper evaluates the overall voltage regulation capability of substations under the premise of considering the impact on network voltage security and providing a theoretical basis for the participation of load-side resources of distribution networks in the regulation

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Mokarim, Afroz, Giovanni Battista Gaggero, and Mario Marchese. "Impact Analysis of Cyber Attacks against Energy Communities in Distribution Grids." Electronics 13, no. 9 (2024): 1709. http://dx.doi.org/10.3390/electronics13091709.

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With the advancement of regulations regarding the reduction in carbon emissions, renewable energy communities have come into the picture. However, many implications come with the installation of these communities from a cybersecurity point of view. The software platforms responsible for managing and controlling them handle a lot of crucial information, and therefore, tampering with these data can lead to several impacts on the operation of these communities and, in turn, the power grid as well. This paper examines the plausible impacts that can be caused by altering certain parameters of the s

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Mohmmedali, Abbas F. G., Messaoud Hamouda, and Ghaitaoui Touhami. "Dynamic Impact Analysis of Integrating a 6 MW Solar Photovoltaic Power Plant into Medium Voltage Distribution Network." European Journal of Electrical Engineering 23, no. 5 (2021): 417–22. http://dx.doi.org/10.18280/ejee.230508.

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In this paper, the impact of integrating a 6MW solar PV plant installed in Zaouiet Kounta (Wilaya Adrar), in southwest Algeria into a medium voltage network during transient conditions is analyzed. This network is fed by two sources, either a grid source or a conventional power plant if a grid source is not available. Three different transient circumstances are considered in this analysis. The impact on voltage and frequency at the network’s main busbar as well as generator rotor angle is investigated. The analysis is carried out on the network by using ETAP software. The analysis results show

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D.Srinivasa Rao & Dr. Anupama A. Deshpande. "DAB Based DC-DC High Frequency Link PET for Interconnecting MVDC-LVDC Grids." International Journal for Modern Trends in Science and Technology 7, no. 05 (2021): 165–71. http://dx.doi.org/10.46501/ijmtst0705028.

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This paper proposes dual active bridge (DAB) based high frequency power electronic transformer (PET) for interconnecting medium voltage dc (MVDC) and low voltage dc (LVDC) grids for dc power distribution. The above proposed concept works on dual active phase shift principle and square wave HF modulation technique for bidirectional power transfer. Compared to the traditional dc transformer scheme, The proposed power electronic transformer (PET) can disconnect from LVDC distribution grid effectively as a dc breaker when a short circuit fault occurs in the distribution grid. The isolated DC-DC PE

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Zhang, Meng, Feng Zhan Zhao, Xiao Li Meng, et al. "Establishment of Smart Distribution Grid Evaluation System." Applied Mechanics and Materials 719-720 (January 2015): 443–47. http://dx.doi.org/10.4028/www.scientific.net/amm.719-720.443.

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This paper analyzes the core values of the smart grid that is the need of significant stakeholders, the reliable and efficient electricity supply for users and running economy for power grid enterprises. Using fishbone analysis gets the main elements, which are the quality and reliability of power supply, grid structure, equipments situation, intelligence level and operation level. Due to the complexity of the evaluation system,the entire system divided into three layer levels,the target layer, the element layer and the index layer. The structure and operation of low voltage distribution grid

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Montoya, Oscar Danilo, Walter Gil-González, Andrés Arias-Londoño, Arul Rajagopalan, and Jesus C. Hernández. "Voltage Stability Analysis in Medium-Voltage Distribution Networks Using a Second-Order Cone Approximation." Energies 13, no. 21 (2020): 5717. http://dx.doi.org/10.3390/en13215717.

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This paper addresses the voltage stability margin calculation in medium-voltage distribution networks in the context of exact mathematical modeling. This margin calculation is performed with a second-order cone (SOCP) reformulation of the classical nonlinear non-convex optimal power flow problems. The main idea around the SOCP approximation is to guarantee the global optimal solution via convex optimization, considering as the objective function the λ-coefficient associated with the maximum possible increment of the load consumption at all the nodes. Different simulation cases are considered i

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Camargo, Luis Ramirez, Jane Wuth, Markus Biberacher, and Wolfgang Dorner. "A spatially explicit assessment of middle and low voltage grid requirements in Bavaria until 2050." GeoScape 13, no. 2 (2019): 88–97. http://dx.doi.org/10.2478/geosc-2019-0008.

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Abstract The energy transition towards high shares of renewables and the continued urbanization process have a direct and strong impact on the shape and characteristics of the electricity transmission and distribution systems. At the continental and national scale, improved high voltage grids should allow the transmission and balance of electricity from hot-spots of variable renewable energy generation installations to demand centres. At the regional and municipal scale, the medium and low voltage grids should be capable of bringing sufficient electricity to users and allow the integration of

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Maghami, Mohammad Reza, Jagadeesh Pasupuleti, and Chee Mei Ling. "Impact of Photovoltaic Penetration on Medium Voltage Distribution Network." Sustainability 15, no. 7 (2023): 5613. http://dx.doi.org/10.3390/su15075613.

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Nowadays, large-scale solar penetration into the grid and the intermittent nature of PV systems are affecting the operation of distribution networks. This paper aims to investigate the effect of PV penetration on a typical medium-voltage distribution network in Malaysia. The main objectives of this study are to investigate voltage stability, power loss, and short circuit under two conditions: peak load and no load. The network is evaluated using two methods: static and dynamic analysis, utilizing the Digsilent Power Factory software. The network comprises two 33/11 kV parallel transformers con

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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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Biswas, Sumanta, Cham Kpu Gerald, Barbara Herndler, Daniel Stahleder, Yannick Wimmer, and Markus Makoschitz. "Optimized Integration of Medium-Voltage Multimegawatt DC Charging Stations: Concepts, Guidelines and Analysis." World Electric Vehicle Journal 15, no. 10 (2024): 450. http://dx.doi.org/10.3390/wevj15100450.

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The integration of multimegawatt fast chargers into local distribution grids is becoming increasingly relevant due to recent initiatives to push for higher charging power, especially for applications like heavy-duty vehicles. However, the high-power capacity of these chargers, especially when multiple units operate simultaneously at specific locations, raises several important considerations for the optimal design and integration of multimegawatt fast chargers. These include, for example, power electronics architectures and dedicated designs, grid stability, and the incorporation of renewable

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Kornatka, Mirosław, and Anna Gawlak. "An Analysis of the Operation of Distribution Networks Using Kernel Density Estimators." Energies 14, no. 21 (2021): 6984. http://dx.doi.org/10.3390/en14216984.

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Efficiency in the operation of distribution networks is one of the commonly recognised goals of the Smart Grid aspect. Novel approaches are needed to assess the level of energy loss and reliability in electricity distribution. Transmission of electricity in the power system is invariably accompanied by certain physical phenomena and random events causing losses. Identifying areas where excessive energy losses or excessive grid failure occur is a key element for energy companies in resource management. The study presented in the article is based on data obtained from distribution system operato

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Cheng, Junwen, Qi Jiang, Gong Cheng, Ruibang Gong, and Xuan Du. "Distribution Network Grid Planning and Automatic Routing Based on Cluster Analysis Algorithm." Security and Communication Networks 2022 (August 21, 2022): 1–9. http://dx.doi.org/10.1155/2022/7262323.

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In order to improve the efficiency of power grid enterprises under the background of new power reform, the author proposes a set of planning ideas and methods for medium-voltage distribution networks based on the optimal division of power supply grids. First, the layout of the main channel in the planning area should be determined to ensure the reservation of land resources. Then, on the basis of clarifying the purpose and principle of grid division, based on the selection of the nearest load backup substation and the load clustering method, the optimal division of the power supply grid should

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Schultis, Daniel-Leon, and Albana Ilo. "Behaviour of Distribution Grids with the Highest PV Share Using the Volt/Var Control Chain Strategy." Energies 12, no. 20 (2019): 3865. http://dx.doi.org/10.3390/en12203865.

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The large-scale integration of rooftop PVs stalls due to the voltage limit violations they provoke, the uncontrolled reactive power flow in the superordinate grids and the information and communications technology (ICT) related challenges that arise in solving the voltage limit violation problem. This paper attempts to solve these issues using the LINK-based holistic architecture, which takes into account the behaviour of the entire power system, including customer plants. It focuses on the analysis of the behaviour of distribution grids with the highest PV share, leading to the determination

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Savira, Resti, and Budi Sudiarto. "Effect of PLTS Power Factor Settings on Power Losses and Voltage Conditions in 20 kV Medium Voltage Networks." Jurnal Pendidikan Teknologi Kejuruan 6, no. 2 (2023): 80–89. http://dx.doi.org/10.24036/jptk.v6i2.32523.

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As technology develops, the rapid increase in PV capacity will affect the grid. This makes it important to determine the PV limit that can be injected into the grid defined as the PV Hosting Capacity (PVHC). In this paper, the author evaluates and analyses the impact of PV connections on medium voltage distribution lines (20kv) using ETAP 19.01 simulation. A medium voltage Grid with a capacity of 30MVA, has an industrial load varies from 650 kVA to 25 kVA with the total load capacity of 2225 KVA. The loads are supplied from two sources, grid and PV system. The simulation results state that the

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Li, Guang, Ruyun Zhao, Zhihua Zhang, and Yongduan Xue. "Equivalent method of grid-connected photovoltaic sources for medium-voltage distribution networks fault analysis." Electric Power Systems Research 238 (January 2025): 111179. http://dx.doi.org/10.1016/j.epsr.2024.111179.

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Łukaszewski, Piotr, Łukasz Nogal, and Artur Łukaszewski. "The Identification of Travelling Waves in a Voltage Sensor Signal in a Medium Voltage Grid Using the Short-Time Matrix Pencil Method." Energies 15, no. 12 (2022): 4307. http://dx.doi.org/10.3390/en15124307.

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Most of the fault wave localization methods are based on the analysis of line current transformed by current transformers and are limited to high voltage grids. Fault wave localization in medium voltage grids is still being developed. This paper presents a new real-time algorithm for the identification of travelling waves in a distribution grid using voltage signal and the short-time matrix pencil method. To obtain the secondary side voltage waveforms at substation, the model of a resistive voltage sensor based on the broadband measurements from 10 Hz to 20 MHz was developed. The tested sensor

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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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Yao, Sen Jing, Zheng Guo Zhu, Hua Ying Zhang, Jun Wei Cao, and Guang Yi Zhang. "The Design of Filter Parameters of Dynamic Voltage Restorer in Medium Voltage Network." Applied Mechanics and Materials 654 (October 2014): 133–41. http://dx.doi.org/10.4028/www.scientific.net/amm.654.133.

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Dynamic Voltage Compensator (DVR) is able to handle the dynamic power quality problems in distribution network, such as voltage sags and voltage unbalance, and the parameters of the output filter will have important affect on the compensation results. In this paper, the parameter design method of the output filter of a cascaded H-bridge based DVR applied in medium-voltage distribution grid is studied. Through the analysis of the case when filter inductor current has the maximum value, the theoretical expression of the relationship between the low limit of the value of filter inductor and the c

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Raboaca, Maria Simona, Catalin Dumitrescu, Daniela Lucia Manea, Traian Candin Mihaltan, Violeta-Carolina Niculescu, and Bogdan Constantin Neagu. "Contributions to Power Grid System Analysis Based on Clustering Techniques." Sensors 23, no. 4 (2023): 1895. http://dx.doi.org/10.3390/s23041895.

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The topic addressed in this article is part of the current concerns of modernizing power systems by promoting and implementing the concept of smart grid(s). The concepts of smart metering, a smart home, and an electric car are developing simultaneously with the idea of a smart city by developing high-performance electrical equipment and systems, telecommunications technologies, and computing and infrastructure based on artificial intelligence algorithms. The article presents contributions regarding the modeling of consumer classification and load profiling in electrical power networks and the

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Kotsalos, Konstantinos. "Decentralized Voltage Regulation in radial Medium Voltage Networks with high presence of Distributed Generation." U.Porto Journal of Engineering 3, no. 1 (2018): 26–38. http://dx.doi.org/10.24840/2183-6493_003.001_0003.

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The continuous growth of distributed generation along the medium voltage distribution networks (MVDN) induces multifaceted technical challenges that have to be addressed by alternative control architecture schemes beyond the centralized strategies and the fit and forget doctrine. The active participation of DG essentially drives the network to pave towards the Smart Grid concept. This paper entails a decentralized control strategy which is based on a sensitivity analysis to stipulate the proper dispatch set-points for the DGs; hence, all nodal voltages are in permissible bounds. An overview of

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Daccò, Edoardo, Davide Falabretti, Valentin Ilea, Marco Merlo, Riccardo Nebuloni, and Matteo Spiller. "Decentralised Voltage Regulation through Optimal Reactive Power Flow in Distribution Networks with Dispersed Generation." Electricity 5, no. 1 (2024): 134–53. http://dx.doi.org/10.3390/electricity5010008.

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The global capacity for renewable electricity generation has surged, with distributed photovoltaic generation being the primary driver. The increasing penetration of non-programmable renewable Distributed Energy Resources (DERs) presents challenges for properly managing distribution networks, requiring advanced voltage regulation techniques. This paper proposes an innovative decentralised voltage strategy that considers DERs, particularly inverter-based ones, as autonomous regulators in compliance with the state-of-the-art European technical standards and grid codes. The proposed method uses a

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Grzanic, Flammini, and Prettico. "Distribution Network Model Platform: A First Case Study." Energies 12, no. 21 (2019): 4079. http://dx.doi.org/10.3390/en12214079.

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Decarbonisation policies have recently seen an uncontrolled increase in local electricity production from renewable energy sources (RES) at distribution level. As a consequence, bidirectional power flows might cause high voltage/ medium voltage (HV/MV) transformers to overload. Additionally, not-well-planned installation of electric vehicle (EV) charging stations could provoke voltage deviations and cables overloading during peak times. To ensure secure and reliable distribution network operations, technology integration requires careful analysis which is based on realistic distribution grid m

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Artale, Giovanni, Giuseppe Caravello, Antonio Cataliotti, et al. "A Virtual Tool for Load Flow Analysis in a Micro-Grid." Energies 13, no. 12 (2020): 3173. http://dx.doi.org/10.3390/en13123173.

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This paper proposes a virtual tool for load flow analysis in energy distribution systems of micro-grids. The solution is based on a low-cost measurement architecture, which entails low-voltage power measurements in each secondary substation and a voltage measurement at the beginning of the medium voltage (MV) feeder. The proposed virtual tool periodically queries these instruments to acquire the measurements. Then, it implements a backward–forward load flow algorithm, to evaluate the power flow in each branch and the voltage at each node. The virtual tool performances are validated using power

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Arfoa, Aouda, Eyad Almaita, Saleh Alshkoor, and Maan Shloul. "Techno-Economic Feasibility Analysis of On-Grid Battery Energy Storage System: Almanara PV Power Plant Case Study." Jordan Journal of Electrical Engineering 8, no. 3 (2022): 253. http://dx.doi.org/10.5455/jjee.204-1654330119.

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Battery energy storage systems (BESSs) are considered one of the most developed energy storage system (ESS) technologies because they have different benefits for distribution networks like smoothening the output fluctuations, improving the power quality, peak load shifting, voltage support and delaying the distribution network upgrade. This work involves integrating a BESS into a 33 KV distribution network in Jordan. CYME software is used to assess the impact of BESS at Almanara PV power plant on the 33 KV medium voltage network. The voltage level, power losses, power factor (PF) and voltage s

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Gloe, Arne, Clemens Jauch, and Thomas Räther. "Grid Support with Wind Turbines: The Case of the 2019 Blackout in Flensburg." Energies 14, no. 6 (2021): 1697. http://dx.doi.org/10.3390/en14061697.

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The work presented in this paper aims to show how modern wind turbines can help to control the frequency in a small grid which suffers from large power imbalances. It is shown for an exemplary situation, which occurred in Flensburg’s distribution grid in 2019: a major blackout, which occurred after almost two hours in islanding operation, affecting almost the entire distribution grid, which supplies approximately 55,000 households and businesses. For the analysis, a wind turbine model and a grid support controller developed at the Wind Energy Technology Institute are combined with real measure

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Hindarianto, Jepi Yuli. "Analysis Of Power Quality Effect On The Life Time Transformer." ACMIT Proceedings 5, no. 1 (2019): 57–64. http://dx.doi.org/10.33555/acmit.v5i1.75.

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In the industry that runs today, of course, electricity cannot be separated from the electricity used for all production processes. In Indonesia, currently PT. PLN (Persero) (PLN) is the only one of electrical energy provider for the medium and larger scale of industry. The electricity power for industry is usually supplied by 20 kV distribution grid. Meanwhile, industrial utilities, equipment and machinery mostly require lower voltage. Therefore, it is necessary to step down the voltage of the PLN distribution grid from 20 kV to 2 kV, 1 kV, 400 Volt or lower by using step down transformer. St

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Akkur, Malatesh S., Swati Singh, Amandeep Gill, and Vinod Mansiram Kapse. "The consequences and barriers of power system voltage stability in the integration of solar and wind energy: An in-depth analysis." Multidisciplinary Reviews 6 (April 17, 2024): 2023ss052. http://dx.doi.org/10.31893/multirev.2023ss052.

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Wind and solar energy production is intermittent and variable, causing voltage fluctuations in the power system. These fluctuations can affect supply and demand balance, leading to voltage instability. In some cases, integrating solar and wind energy can result in overvoltage or undervoltage conditions, which can negatively impact the power grid's operation. The research examines the effects and challenges of integrating wind and solar energy into power grids, concentrating in particular on issues with voltage stability. The investigation explores fundamental issues like voltage stability-base

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Salanga, Said Abdallah, Sosthenes Karugaba, and Respicius Kiiza. "Development of Maintenance Management System to Improve Reliability of Power Supply in Medium Voltage Distribution Network: A Case of TANESCO, Kinondoni North Region." International Journal of Advanced Research 8, no. 1 (2025): 75–94. https://doi.org/10.37284/ijar.8.1.2713.

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The reliability of the power supply in medium voltage distribution networks is crucial in the Kinondoni North region due to the growing demand for reliable electricity, increasing by approximately 20 MW per year. However, power supply reliability is compromised by several factors such as aging infrastructure, equipment failures, vandalism, natural disasters like storms and floods etc. These issues contribute to faults in the distribution feeders, causing power interruptions. Key challenges include identifying the location of faults, restoring power efficiently, and managing network maintenance

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Guillén-López, Daniel, Xavier Serrano-Guerrero, Antonio Barragán-Escandón, and Jean-Michel Clairand. "Transient and Steady-State Evaluation of Distributed Generation in Medium-Voltage Distribution Networks." Energies 17, no. 22 (2024): 5783. http://dx.doi.org/10.3390/en17225783.

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As power generation systems with increasingly higher capacities are interconnected with distribution networks, a pressing need arises for a thorough analysis of their integration and the subsequent impacts on medium-voltage lines. This study conducts a comprehensive evaluation, encompassing both steady-state and transient behaviours, leading to a holistic assessment of a real-world biogas generation system integrated into a medium-voltage network. Although the methodology does not introduce revolutionary concepts, its detailed application on a real feeder under various operating conditions add

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Tozser, B., I. Taczi, and A. Torok. "The use of innovative tools in the medium voltage grid development, a case study of series voltage regulator." Renewable Energy and Power Quality Journal 21, no. 1 (2023): 594–99. http://dx.doi.org/10.24084/repqj21.409.

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The rapid technological improvements concerning the renewable energy sources and the energy policy of the European Union, and the National Energy Strategy are leading to a rapid increase in the number of intermittent renewable power plants. Thus, new challenges emerge in the operation of the distribution system. To operate the system efficiently, the use of innovative technologies must be considered, because conventional network development strategies cannot always provide an optimal solution for the problem. This paper analyses the effects of largescale wind power generation on a medium volta

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Jaskólski, Marcin, Paweł Bućko, and Stanislaw Czapp. "The Evolution of Low- and Medium-Voltage Distribution System Development Planning Procedures and Methods—A Review." Energies 18, no. 13 (2025): 3461. https://doi.org/10.3390/en18133461.

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The increasing number of prosumers presents a significant challenge for power grid operators at low- and medium-voltage levels. This necessitates a fresh approach to the development of planning procedures and methods. In this review, we focus on four key areas regarding distribution system development planning: (1) the application of multi-criteria analysis methods, (2) the integration of distributed energy resources, (3) the impact of prosumer inverters on the design and planning of networks and protection systems, and (4) maintaining voltage levels and local power balancing under market rule

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Barzola, Jhonny, Hernan Pérez, Ramiro Vasquez, Francisco Naranjo, and Jaen Sánchez. "Assessment of the Incidence of the “Parque Solar Salinas” Photovoltaic Plant on the Medium Voltage Grid of the Emelnorte S.A. Company: A Comprehensive Report." Data and Metadata 4 (February 13, 2025): 191. https://doi.org/10.56294/dm2025191.

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This article presents a comprehensive analysis of the impact of the 'Parque Solar Salinas' photovoltaic (PV) plant on the medium voltage grid of Emelnorte S.A., a power distribution company located in the northern region of Ecuador. The main objective was to evaluate the power quality delivered by the plant, in compliance with the standards set by the Electricity Regulation and Control Agency of Ecuador (ARCONEL). The study was based on a detailed review of electrical generation, specifically focusing on solar PV energy. The components and topologies of PV plants, such as inverters, solar pane

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Saha, Pankaj, Weihao Zhao, Daniel-Ioan Stroe, Florin Iov, and Stig Munk-Nielsen. "Enabling LVRT Compliance of Electrolyzer Systems Using Energy Storage Technologies." Batteries 9, no. 11 (2023): 527. http://dx.doi.org/10.3390/batteries9110527.

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This paper presents a comprehensive techno-economic analysis of different energy storage systems (ESSs) in providing low-voltage ride-through (LVRT) support for power electronics-based electrolyzer systems. A framework for analyzing the performance of a grid-integrated electrolyzer-ESS system is developed, taking into account realistic scenarios and accurate models. The system components consist of a 500 kW alkaline electrolyzer module integrated with a medium-voltage grid and three different commercially available ESSs based on Li-ion battery, Li-ion capacitor, and supercapacitor technology,

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Lara, Hector, and Esteban Inga. "Efficient Strategies for Scalable Electrical Distribution Network Planning Considering Geopositioning." Electronics 11, no. 19 (2022): 3096. http://dx.doi.org/10.3390/electronics11193096.

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This article presents a heuristic model to find the optimal route or layout of a subway electrical distribution network, obtaining full coverage of users in different scenarios and respecting technical criteria such as maximum distance to avoid voltage drop and capacity. In this way, the location of the transformer substations is achieved through an analysis of candidate sites. The medium voltage network will connect each transformer to a minimum spanning tree (MST), reducing the cost of materials associated with constructing the electrical grid. This work considers the latitude and longitude

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Tazhibayev, Adilbek, Irbulat Utepbergenov, Yernar Amitov, Iouliia Skliarova, and Galymzhan Kulakbayev. "ANALYSIS OF AUTOMATION STRATEGY FOR INTEGRATED CUSTOMER-ORIENTED SYSTEM VIA SMART DIGITAL NODES IN DISTRIBUTION TRANSFORMERS." Вестник КазАТК 134, no. 5 (2024): 504–13. https://doi.org/10.52167/1609-1817-2024-134-5-504-513.

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There are many compelling justifications for the significance of MV/LV distribution transformers in facilitating customer-centric services in the next years. The integration of transformer-level intelligence has the potential to strengthen the characteristics of the low voltage (LV) grid management system, which is often lacking in automation. The transformer enables the use of advanced technologies such as local private networks and EDGE computing. The transformer plays a vital role in connecting the appliances of end consumers with the medium voltage grid. Typically, the location of the faci

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Ren, Hongtao, and Ying Zhang. "Study on fault waveform library of PT high voltage side fuse in hydropower station." Journal of Physics: Conference Series 2488, no. 1 (2023): 012018. http://dx.doi.org/10.1088/1742-6596/2488/1/012018.

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Abstract In the arc-suppression coil grounding system of a medium voltage distribution network, high voltage side voltage transformer insurance fusing faults frequently occur, including fusing during startup and grid connection, fusing during operation, fusing during the shutdown, etc., which will directly affect the accuracy of measurement, metering, protection, and other secondary equipment. In this paper, we used the calculation of electromagnetic transient EMTP-ATP software, theoretical analysis of the typical hydropower station wiring and parameters of the medium voltage system, set up th

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Suhaeri, Masri, Azhar, and Saifuddin. "Penelitian Efek Penggunaan Grid Tie Inverter pada Sistem Hibrid dengan Solar Panel dan Diesel." Journal of Engineering and Science 2, no. 1 (2023): 45–58. http://dx.doi.org/10.56347/jes.v2i1.166.

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The distribution system of electrical power begins from generation and is transmitted to the load, namely consumers. In this distribution, it must be effective, efficient, and reliable. The amount of electrical power reaching the load is not the same as the amount of power generated due to voltage drop or power losses. This research aims to determine the magnitude of power losses in the medium-voltage distribution network located in Pasar Aceh. The research method employed is the analysis and simulation calculation method using ETAP 12.6 software. The study analyzes power losses due to load im

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Soukaina, Naciri, Moufid Ismail, El Moussaoui Hassan, Lamhamdi Tijani, and El Markhi Hassane. "A deterministic method of distributed generation hosting capacity calculation: case study of underground distribution grid in Morocco." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 1 (2023): 144–58. https://doi.org/10.11591/ijece.v13i1.pp144-158.

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Global warming has become a significant concern over the past decades. As a result, governments have shifted their policies toward renewable energy sources and environmentally friendly industries. This approach requires a renewal of the electrical networks to accommodate this new intermittent generation (from solar and wind sources) while remaining stable and reliable. In this vision, the notion of hosting capacity has been introduced to define the amount of new distributed generation that an electrical network can host without affecting its stability and reliability. This study proposes a det

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Saad, N. Md, M. Z. Sujod, Lee Hui Ming, et al. "Impacts of Photovoltaic Distributed Generation Location and Size on Distribution Power System Network." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 2 (2018): 905. http://dx.doi.org/10.11591/ijpeds.v9.i2.pp905-913.

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As the rapid development of photovoltaic (PV) technology in recent years with the growth of electricity demand, integration of photovoltaic distributed generation (PVDG) to the distribution system is emerging to fulfil the demand. There are benefits and drawbacks to the distribution system due to the penetration of PVDG. This paper discussed and investigated the impacts of PVDG location and size on distribution power systems. The medium voltage distribution network is connected to the grid with the load being supplied by PVDG. Load flow and short circuit calculation are analyzed by using DigSI

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Latha, K. Swarna, Dr P. Mallikarjuna Sharma, and Prof M. Manjula. "Heuristic Algorithms for Power Quality Analysis in IEEE-33 & IEEE-57 Bus Systems Using Fact Devices and Tracking." International Journal of Intelligent Systems and Applications in Engineering 12, no. 22 (2024): 681–700. http://dx.doi.org/10.36893/ijisae.2024.v12n22.6583.

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DGs have become increasingly important to the grid in connection with renewable energy systems as fossil fuels run out and pollution is on the rise. The integration of renewable energy sources into low-and medium-voltage distribution networks has opened up a new field of study. To ensure that distributed generation (DG) connections to the grid meet power quality standards, electronic power converters are a common component of renewable energy systems. In this case, major power quality issues will always occur if the inverters' switching frequencies are not appropriately location. On the other

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Asad Kutsuro, Iqbal, and Faiz Husnayain. "Enhancing Power Distribution Efficiency in Central Kalimantan through Renewable Energy Integration and Grid Optimization." International Journal of Electrical, Energy and Power System Engineering 8, no. 2 (2025): 142–58. https://doi.org/10.31258/ijeepse.8.2.142-158.

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In areas with uneven development, many residents live far from the city center. The medium-voltage grid in Kuala Jelai, Sukamara Regency, Central Kalimantan, operates as an isolated system, resulting in poor voltage quality and high distribution losses. Annual fuel and lubricant costs exceed IDR 8 billion, with maintenance reaching IDR 2 billion. Despite this, the area has significant untapped solar energy potential. This study evaluates the impact of solar energy integration on reducing distribution losses and identifies the most cost-effective distribution options to support the government’s

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