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Готові списки джерел за темами / Integrated transformer substation / Статті в журналах

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Статті в журналах з теми "Integrated transformer substation"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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1

Fang, Huan Huan, Xin Mei Shu, Jun Wang, and Ming Qin Wang. "The Design and Simulation of Voltage and Reactive Power Fuzzy Controller in Substation." Advanced Materials Research 591-593 (November 2012): 1441–45. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1441.

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Анотація:

This paper analyzes the existing problems of the present substation of substation voltage and reactive power integrated control. A design for substation’s voltage and reactive power integrated control based on fuzzy 17-area control method is proposed. We build a substation simulation model base on voltage and reactive power fuzzy integrated controller. In this way, we analyze and simulate this control system dynamic performance. The simulation results show that this kind of control idea is feasible and it can effectively improve the voltage qualification rate, reduce frequency of the adjusted

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2

Gao, Yong Xin. "IEC61850-Based Analysis of Coal Mine Ground Transformer Substation Integrated Automation Communication System." Advanced Materials Research 619 (December 2012): 199–202. http://dx.doi.org/10.4028/www.scientific.net/amr.619.199.

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Places of importance of coal mine ground transformer substation in mine electric power supply, according to this article the IEC61850 standard, through the analysis of the function of substation secondary equipment, from the structure of integrated substation automation system-oriented, hierarchical and logical interfaces and interoperability focus analysis of IED, making coal mine ground transformer substation integrated automation communication systems tend to be reasonable. This article is intended to point out that the IEC61850 standard application supports peer to peer traffic patterns, G

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3

Li, Zhenhua, Xingxin Chen, Lin Wu, et al. "Error Analysis of Air-Core Coil Current Transformer Based on Stacking Model Fusion." Energies 14, no. 7 (2021): 1912. http://dx.doi.org/10.3390/en14071912.

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Air-core coil current transformer is a key piece of equipment in the digital substation development. However, it is more vulnerable to various faults when compared with the traditional electromagnetic current transformer. Aiming at understanding the effect of various parameters on the performance of the air-core coil current transformer, this paper investigates the influence of these factors using the maximum information coefficient. The interference mechanism of influencing factors on the transformer error is also analyzed. Finally, the Stacking model fusion algorithm is used to predict trans

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4

Rashkevich, Nina, Yurii Otrosh, Andrii Kovalov, Ivan Plotnykov, and Slavik Suryaninov. "INNOVATIVE APPROACHES TO DESIGNING FIRE BARRIERS FORTRANSFORMER SUBSTATIONS." JOURNAL of Donetsk mining institute 55, no. 2 (2024): 59–66. https://doi.org/10.31474/1999-981x-2024-2-59-66.

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Purpose. To study project solutions aimed at improving a comprehensive approach to ensuring fire safety of transformer substations. Methods. The authors used methods of analysis and synthesis, summarization of materials of scientific works, regulatory documentation, project and technical documentation, probability theory, decision-making theory. Results. Design work is an important component of the process of designing and building transformer substations taking into account fire safety requirements. Design solutions for the enclosing fire protection structure must include the following sectio

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5

Zhang, Xi Lin, Zong Tao Sun, and Shu Yang Xu. "Tap-Changer Sliding Gear Urgent Stop Device of Main Transformer Integrated with RTU." Advanced Materials Research 463-464 (February 2012): 607–13. http://dx.doi.org/10.4028/www.scientific.net/amr.463-464.607.

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Анотація:

The security risks of using tap-changer of main transformer in substation to adjust remote operation and automatic sequence operation were analyzed, the tap-changer slider gear urgent stop devices of main transformers integrated into RGT were designed and developed and the functions of the system, hardware construct and software system were discussed in this paper. The vigorously developing of smart grid construction and practice application of this device are shown that the method has the urgency and effectiveness

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6

Majeed, Issah Babatunde, and Nnamdi I. Nwulu. "Impact of Reverse Power Flow on Distributed Transformers in a Solar-Photovoltaic-Integrated Low-Voltage Network." Energies 15, no. 23 (2022): 9238. http://dx.doi.org/10.3390/en15239238.

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Modern low-voltage distribution systems necessitate solar photovoltaic (PV) penetration. One of the primary concerns with this grid-connected PV system is overloading due to reverse power flow, which degrades the life of distribution transformers. This study investigates transformer overload issues due to reverse power flow in a low-voltage network with high PV penetration. A simulation model of a real urban electricity company in Ghana is investigated against various PV penetration levels by load flows with ETAP software. The impact of reverse power flow on the radial network transformer load

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7

Marbun, Musa Partahi, Ngapuli Irmea Sinisuka, and Nanang Hariyanto. "The use of Markov Chain method to determine spare transformer number and location." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 1 (2019): 1–13. https://doi.org/10.11591/ijece.v9i1.pp1-13.

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The purpose of this study is to develop a method to determine spare transformer number and location. Using Markov Chain method, state transition model and steady state probability was used on each 500-kV substation in order to analyze the effect of spare number and location variation with the reliability changes. To give an actual result of the case study, calculation of spare transformer number and location on 500/150 kV transformers in Java Bali System was analyzed. The steady state probability results will vary depending on the number of spare transformer, these results can then be used to

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8

Wang, Junkang, Jiayi Wang, Jishun Wu, Weidong Wang, Yejie Liu, and Quanke Ba. "Research on integrated test technology of relay protection device based on cloud-edge collaboration." Journal of Physics: Conference Series 2290, no. 1 (2022): 012035. http://dx.doi.org/10.1088/1742-6596/2290/1/012035.

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Abstract The relay protection debugging of smart substation is limited to single unit test. For the intelligent equipment across bays, it can only be tested in batches and one by one, and there is no means to test the integrated system of bus and main transformer with multiple bays. This paper proposes an integrated test technology of intelligent substation based on cloud-edge collaboration. Build an integrated test system based on cloud edge collaboration, which is cross bays, multi intelligent devices and remote vertical connection. Open up the test island of single equipment. Establish equi

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9

Marbun, Musa Partahi, Ngapuli Irmea Sinisuka, and Nanang Hariyanto. "The use of Markov Chain method to determine spare transformer number and location." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 1 (2019): 1. http://dx.doi.org/10.11591/ijece.v9i1.pp1-13.

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Анотація:

<span lang="EN-US">The purpose of this study is to develop a method to determine spare transformer number and location. Using Markov Chain method, state transition model and steady state probability was used on each 500-kV substation in order to analyze the effect of spare number and location variation with the reliability changes. To give an actual result of the case study, calculation of spare transformer number and location on 500/150 kV transformers in Java Bali System was analyzed. The steady state probability results will vary depending on the number of spare transformer, these res

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10

Wang, Hongwei, Yuansheng Huang, Chong Gao, and Yuqing Jiang. "Cost Forecasting Model of Transformer Substation Projects Based on Data Inconsistency Rate and Modified Deep Convolutional Neural Network." Energies 12, no. 16 (2019): 3043. http://dx.doi.org/10.3390/en12163043.

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Precise and steady substation project cost forecasting is of great significance to guarantee the economic construction and valid administration of electric power engineering. This paper develops a novel hybrid approach for cost forecasting based on a data inconsistency rate (DIR), a modified fruit fly optimization algorithm (MFOA) and a deep convolutional neural network (DCNN). Firstly, the DIR integrated with the MFOA is adopted for input feature selection. Simultaneously, the MFOA is utilized to realize parameter optimization in the DCNN. The effectiveness of the MFOA–DIR–DCNN has been valid

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11

Chuen, Ling Toh, and Wei Tan Chee. "DC traction power substation using eighteen-pulse rectifier transformer system." International Journal of Power Electronics and Drive Systems (IJPEDS) 12, no. 4 (2021): 2284–94. https://doi.org/10.11591/ijpeds.v12.i4.pp2284-2294.

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Twelve-pulse rectification system had been widely integrated in today’s DC traction power sub-station (DC-TPSS). This configuration had successfully mitigated low order harmonic distortion. As some research findings had confirmed that the DC voltage and current ripple factors may further minimize by increasing the number of rectification pulses to 18, 24, or 36. This paper had presented a simulation study to investigate the prospect of implementing an eighteen-pulse rectification system in a DC-TPSS. The theory of phase-shifting transformer used to produce an 18-pulse rectifier is presen

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12

Toh, Chuen Ling, and Chee Wei Tan. "DC traction power substation using eighteen-pulse rectifier transformer system." International Journal of Power Electronics and Drive Systems (IJPEDS) 12, no. 4 (2021): 2284. http://dx.doi.org/10.11591/ijpeds.v12.i4.pp2284-2294.

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Анотація:

<span lang="EN-US">Twelve-pulse rectification system had been widely integrated in today’s DC traction power sub-station (DC-TPSS). This configuration had successfully mitigated low order harmonic distortion. As some research findings had confirmed that the dc voltage and current ripple factors may further minimize by increasing the number of rectification pulses to 18, 24, or 36. This paper had presented a simulation study to investigate the prospect of implementing an eighteen-pulse rectification system in a DC-TPSS. The theory of phase-shifting transformer used to produce an 18-pulse

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13

Wang, Xingnian, Jinshuai Zhang, Bowen Shang, et al. "Key technologies and applications of cloud-edge collaborative integrated low and medium voltage distributed photovoltaic coordination control." Journal of Physics: Conference Series 2757, no. 1 (2024): 012006. http://dx.doi.org/10.1088/1742-6596/2757/1/012006.

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Abstract The large-scale distributed photovoltaic access leads to overvoltage, equipment overload, and difficulty in on-site consumption, which causes power to be sent back to the high voltage level, posing hidden dangers to the safe operation of the distribution network. This article proposes optimizing the medium-voltage distribution network at the cloud side with the goal of maximum consumption and operating cost, forming a rolling strategy adjustment based on load forecasting within the day. At the edge side, the distributed photovoltaic control in the low-voltage distribution network with

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14

Auchariyamet, Suwit, and Somporn Sirisumrannukul. "Volt/VAr Control in Distribution Systems by Fuzzy Multiobjective and Particle Swarm." ECTI Transactions on Electrical Engineering, Electronics, and Communications 8, no. 1 (2009): 146–53. http://dx.doi.org/10.37936/ecti-eec.201081.172055.

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This paper presents the optimal dispatch for the under load tap changer (ULTC) of a substation transformer, substation capacitors, and feeder capacitors for volt/VAr control in a distribution system. Three objectives of interest in the problem consist of energy loss, total capacitor kVAr to be switched on, and total number of daily switching operations of the ULTCand all capacitors. The optimization problem is subjected to power °ow equations, voltage limits, and maximum switching operations for the ULTC and the capacitors. All the objectives are fuzzi¯ed using a trapezoidal membership functio

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15

Sikorski, Wojciech, Krzysztof Walczak, Wieslaw Gil, and Cyprian Szymczak. "On-Line Partial Discharge Monitoring System for Power Transformers Based on the Simultaneous Detection of High Frequency, Ultra-High Frequency, and Acoustic Emission Signals." Energies 13, no. 12 (2020): 3271. http://dx.doi.org/10.3390/en13123271.

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The article presents a novel on-line partial discharge (PD) monitoring system for power transformers, whose functioning is based on the simultaneous use of three unconventional methods of PD detection: high-frequency (HF), ultra-high frequency (UHF), and acoustic emission (AE). It is the first monitoring system equipped in an active dielectric window (ADW), which is a combined ultrasonic and electromagnetic PD sensor. The article discusses in detail the process of designing and building individual modules of hardware and software layers of the system, wherein the most attention was paid to the

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16

Chen, Pei Ran, Zhen Feng, and Zhi Ping Zhang. "Implement and Development of the Principle on Voltage Quality Control in 110kV-Substation." Advanced Materials Research 614-615 (December 2012): 921–25. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.921.

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This paper addresses the research on the Voltage Quality Control (VQC) for the 110kV-substation. The VQC with ‘Nine District-Circuit Diagram’ strategy utilizes two parameters, voltage and reactive power, to realize the integrated control of the high-voltage-side reactive power and the low-voltage-side target voltage of the transformer. A practical example analysis is involved and its computing results show that it is essential to control the busbar voltage within the operational range, while keeping the reactive power in the operational range as far as possible.

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17

Wu, Xiaohui, Yanfeng Wang, Yufei Tan, and Ping Su. "A Study on the Optimization of Photovoltaic Installations on the Facades of Semi-Outdoor Substations." Sustainability 17, no. 12 (2025): 5460. https://doi.org/10.3390/su17125460.

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This paper explores the optimal configuration strategies for building-integrated photovoltaic (BIPV) systems in response to the low-carbon transformation needs of semi-outdoor substations, aiming to reconcile the contradiction between photovoltaic (PV) power generation efficiency and indoor environmental control in industrial buildings. Taking a 220 kV semi-outdoor substation of the China Southern Power Grid as a case study, a building energy consumption–PV power generation coupling model was established using EnergyPlus software. The impacts of three PV wall constructions and different buildi

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18

Mokhov, Vasily, Danil Shaykhutdinov, Evgeniy Kirievskiy, Alexander Vlasov, and Nikolay Gorbatenko. "Ontologization of tools for modeling and synthesis technological process trajectories." E3S Web of Conferences 157 (2020): 04032. http://dx.doi.org/10.1051/e3sconf/202015704032.

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Анотація:

The publication is devoted to the development of an ontological model of tools for intelligent modeling and synthesis of the trajectories of technological processes in electric power networks. Development includes two levels of modeling: the level of metaontology and the level of applied ontologies. At the upper level, the structure of the upper level is proposed and described. At the level of applied ontologies, the ontology of the “digital substation - distribution network” system and the structure for the ontology of tasks are detailed. The first is implemented and presented in the Protégé

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19

Muhammad, Sabo Sani, Sabo Abdulrazak, Y. S. Haruna, Sabo Abdulhafiz, and D. M. Nazif. "Performance and Economic Evaluation of Power Transformer." Asian Journal of Science, Technology, Engineering, and Art 3, no. 3 (2025): 921–39. https://doi.org/10.58578/ajstea.v3i3.5704.

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This study presents a comprehensive performance and economic evaluation of a three-phase 132/33 kV delta/star power transformer using an enhanced Finite Element Method (FEM) integrated with ANSYS Maxwell software. The transformer model, developed based on operational data from the Gudum substation in Bauchi, Nigeria, was designed to assess electromagnetic and thermal characteristics under no-load, full-load, and short-circuit conditions. The FEM simulation incorporated detailed geometric configuration, material properties (M125-027S laminated steel core and copper windings), optimized meshing,

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20

Ustiyaroh, Uus, and Irwanto Irwanto. "Sistem Instalasi Listrik Sebagai Sarana Penerangan Laboratorium Terpadu Universitas Sultan Ageng Tirtayasa." Reslaj : Religion Education Social Laa Roiba Journal 4, no. 5 (2022): 1491–504. http://dx.doi.org/10.47467/reslaj.v4i5.1170.

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 The use of electrical energy consumed by the University of Sultan Ageng Tirtayasa uses electrical energy sources managed by PLN which are included in primary consumers, where primary electricity customers are given a voltage of 20kV (medium voltage). Then from the PLN substation in Untirta, it is distributed by equipment or components to the Sultan Ageng Tirtayasa University area. Medium Voltage (TM) which is a strong current at Sultan Ageng Tirtayasa University is divided into 5 parts, where the medium voltage starts from the power house and enters the Integrated Laboratory Building, E

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21

Ustiyaroh, Uus, and Irwanto Irwanto. "Analisis Sistem Instalasi Listrik Sebagai Sarana Penerangan Laboratorium Terpadu Bagi Mahasiswa Pendidikan Vokasional Teknik Elektro." Reslaj : Religion Education Social Laa Roiba Journal 4, no. 6 (2022): 1472–86. http://dx.doi.org/10.47467/reslaj.v4i6.1155.

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  The use of electrical energy consumed by the University of Sultan Ageng Tirtayasa uses electrical energy sources managed by PLN which are included in primary consumers, where primary electricity customers are given a voltage of 20kV (medium voltage). Then from the PLN substation in Untirta, it is distributed by equipment or components to the Sultan Ageng Tirtayasa University area. Medium Voltage (TM) which is a strong current at Sultan Ageng Tirtayasa University is divided into 5 parts, where the medium voltage starts from the power house and enters the Integrated Laboratory Buil

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22

Matusevych, Oleksandr, Valeriy Kuznetsov, and Viktor SYCHENKO. "The method for increasing the efficiency of equipment’s maintenance in railway traction power supply systems." Archives of Transport 47, no. 3 (2018): 39–47. http://dx.doi.org/10.5604/01.3001.0012.6506.

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Анотація:

Purpose. To develop the method for increasing the efficiency of the equipment’s maintenance and repair system, ensuring necessary level of operational reliability of the equipment, safety and reliability of the electric equipment with minimal expenses on operation. Relevance. Aging of the power equipment in railway power supply systems sharply raised a need for assessment of its states and degree of risk for operation outside rated service life. In critical conditions of technological processes and operational modes of the railways it is necessary to increase the equipment’s operational reliab

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23

Ntihinyurwa, Jean Bosco, Daniel Kanyarwanda, Sefu Bikorimana, and Fidele Kwizera. "FEASIBILITY STUDY OF ELECTRIC VEHICLES INTEGRATION IN RWANDA DISTRIBUTION NETWORK." American Journal of Computing and Engineering 5, no. 1 (2022): 79–90. http://dx.doi.org/10.47672/ajce.1015.

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Purpose: This paper investigates the impacts of electric vehicles integration in Rwandan Power system by assessing harmonic distortion, power loss, system loading, and voltage stability. Methodology: Distribution network test was conducted on 34 buses taken from KINIGI feeder of Camp Belge substation in northern corridor of nation grid by using ETAP software. Findings: The test came up with locating electric vehicles charging stations by taking into account the total harmonic distortion, transformer loading, voltage sensibility factor and the power loss where 4, 1, 2, 2, and 1 vehi

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24

Ling, Jeeng Min, Ming Jong Lin, and Chao Tang Yu. "Transformer Fault Diagnosis with the Duval Triangle and Heuristic Techniques." Applied Mechanics and Materials 535 (February 2014): 157–61. http://dx.doi.org/10.4028/www.scientific.net/amm.535.157.

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Dissolved gas analysis (DGA) is an effective tool for detecting incipient faults in power transformers. The ANSI/IEEE C57.104 standards, the most popular guides for the interpretation of gases generated in oil-immersed transformers, and the IEC-Duval triangle method are integrated to develop the proposed power transformer fault diagnosis method. The key dissolved gases, including H2, CH4, C2H2, C2H4, C2H6, and total combustible gases (TCG), suggested by ASTM D3612s instruction for DGA is investigated. The tested data of the transformer oil were taken from the substations of Taiwan Power Compan

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25

Wang, Yi Ming, and Jian Cheng Tan. "Design of a Synthesized Merging Unit Based on IEC 61850-9-2." Applied Mechanics and Materials 241-244 (December 2012): 2223–27. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.2223.

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To meet the requirements of smart substations for digital information, integrated functions and compact structure, the definitions of merging units in IEC 60044-8 and IEC 61850-9-1/2 were analyzed. Based on the analysis, this paper described a realization of merging units used in the electronic transformers. The hardware and software architectures of merging unit were proposed. According to the design, the merging unit realizes synchronization of sampling pulse, receiving and processing of sampled values, and data transmission. An additional function of phasor measurement was included, which m

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26

Pedretti, A., S. Sury, J. Deprez, et al. "The journey of digitalization: how Smart Digital Substations can drive the Industrial Internet of Things revolution." QualEnergia Science, no. 1 (2025): 198. https://doi.org/10.63111/qes-2025.1.0025.

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Анотація:

This technical paper has been presented in the last CIGRE (Conseil International des Grand Réseaux Électriques) session in Paris, which took place in 2024, August 25th to 30th. This work, examined and approved by the technical commission within the Study Committee D2 (Information Systems & Telecommunication) and the Preferential Subject PS1 (IT/OT solutions to improve the efficiency and resilience of electric power systems), represents the natural prosecution of the experience described into the publication “How the Industrial Internet of Things is driving the Asset Management Digitalizati

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27

Silva-Ortega, Jorge, Jesús Ortíz, and John E. Candelo-Becerra. "A New Method to Assess the Reliability and Security of Urban Electrical Substations." Electricity 5, no. 4 (2024): 991–1007. https://doi.org/10.3390/electricity5040050.

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Анотація:

This paper presents the application of quantitative and qualitative methods to assess reliability and security in urban electrical substations. The method is a visual technique based on a conceptual analysis of the different substation configurations. We also performed a sensitivity analysis considering the effects of connecting and disconnecting various elements of a power system. The procedure considers evaluating the loadability levels of transformers, buses, and lines, as well as the current state of the individual elements and the number of connected elements. A new index was proposed for

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28

Kitheka, Joel Mwithui, Peter Musau Moses, Abraham Mutunga Nyete, and Nicodemus O. Abungu. "Load Flow Analysis of 132 kV Transmission Line with Optimally Terminated Service Potential Transformer Substations." Journal of Power, Energy, and Control 2, no. 1 (2025): 1–13. https://doi.org/10.62777/pec.v2i1.36.

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Анотація:

Most villages in Sub-Saharan Africa still lack electricity, despite numerous initiatives and commissions established to address power demands in developing countries. Renewable energy, rural electrification, and non-conventional substations are currently being employed to tackle the electricity issue. This research explored the penetration level of Service Potential Transformer (SPT) substations to solve the lack of electricity in villages near high-voltage transmission lines. The study analyzed the power flow in the 132 kV Juja-Rabai transmission line using PowerWorld Simulator software and d

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29

S, K. Kabilesh, Anto S. Vibin, M. S. Veshnu, Sai Teja Yeluvu, and Bharath Pullakomala. "LoRaWAN-Based Smart Transformer Monitoring and Control Using Machine Learning for Predictive Maintenance." Advancement of Signal Processing and its Applications 8, no. 1 (2025): 22–36. https://doi.org/10.5281/zenodo.15119031.

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Анотація:

<em>Effective monitoring and control of power transformers are crucial to maintaining the reliability and stability of electricity grids. This paper introduces a LoRaWAN-based transformer control and monitoring system with machine learning (ML) algorithms integrated for predictive maintenance and fault detection. The system utilizes low-power, long-range (LoRa) communication to transfer real-time transformer parameters such as voltage, current, temperature, oil level, humidity, and vibration to a cloud-based server. A Random Forest algorithm is applied to sensor data analysis, anomaly detectio

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30

Dazahra, M. N., F. Elmariami, A. Belfqih, and J. Boukherouaa. "Smart Local Backup Protection for Smart Substation." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 5 (2017): 2321. http://dx.doi.org/10.11591/ijece.v7i5.pp2321-2328.

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Анотація:

This paper presents a novel smart local backup protection SLBP used for the support and backup of the protective relays in a smart substation. The proposed SLBP is based on the IEC61850 standards and the concept consists of the acquisition of Generic Object Oriented Substation Event GOOSE used for tripping and interlocks exchange between Intelligent Equipment Devices IEDs and the reading of the Sampled Value SV existing in the process bus coming from Mergin Units MU or Non-Conventional Instrument Transformers NCIT. Several logical schemes to protect different zones of the substation are presen

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31

M., N. Dazahra, Elmariami F., Belfqih A., and Boukherouaa J. "Smart Local Backup Protection for Smart Substation." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 5 (2017): 2321–28. https://doi.org/10.11591/ ijece.v7i5.pp2321-2328.

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This paper presents a novel smart local backup protection SLBP used for the support and backup of the protective relays in a smart substation. The proposed SLBP is based on the IEC61850 standards and the concept consists of the acquisition of Generic Object Oriented Substation Event GOOSE used for tripping and interlocks exchange between Intelligent Equipment Devices IEDs and the reading of the Sampled Value SV existing in the process bus coming from Mergin Units MU or Non-Conventional Instrument Transformers NCIT. Several logical schemes to protect different zones of the substation are presen

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Kousar, Shaheen, Nazir Ahmad Zafar, Tariq Ali, Eman H. Alkhammash, and Myriam Hadjouni. "Formal Modeling of IoT-Based Distribution Management System for Smart Grids." Sustainability 14, no. 8 (2022): 4499. http://dx.doi.org/10.3390/su14084499.

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The smart grid is characterized as a power system that integrates real-time measurements, bi-directional communication, a two-way flow of electricity, and evolutionary computation. The power distribution system is a fundamental aspect of the electric power system in order to deliver safe, efficient, reliable, and resilient power to consumers. A distribution management system (DMS) begins with the extension of the Supervisory Control and Data Acquisition (SCADA) system through a transmission network beyond the distribution network. These transmission networks oversee the distribution of energy

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Hao, Yu, Chang Wenzhi, Gong Yanpeng, and Yuan Shuai. "Research on Wide-band Domain Current Sensing for Bushing End Screen Based on TMR." Journal of Physics: Conference Series 2479, no. 1 (2023): 012019. http://dx.doi.org/10.1088/1742-6596/2479/1/012019.

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Abstract The transformer bushing is an important monitoring object of the substation online monitoring system. The end screen current of the transformer bushing is one of the important parameters to characterize the insulation state of the bushing, by collecting the full current of power frequency and partial discharge pulse current of the high-frequency domain. Based on the TMR array sensing principle, this paper studies the wide-band domain current sensing technology for the transformer bushing end screen current monitoring, and integrates it with the ground terminal of the bushing end scree

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Zhou, Quan, Yongheng Mao, Fengqi Guo, and Yuxuan Liu. "Seismic Response Prediction of Porcelain Transformer Bushing Using Hybrid Metaheuristic and Machine Learning Techniques: A Comparative Study." Mathematics 12, no. 13 (2024): 2084. http://dx.doi.org/10.3390/math12132084.

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Although seismic response predictions are widely used for engineering structures, their applications in electrical equipment are rare. Overstressing at the bottom of the porcelain insulators during seismic events has made power transformer bushings in substations prone to failure. Thus, this paper proposed and compared six integrated machine learning (ML) models for seismic stress response predictions for porcelain transformer bushings using easily monitored acceleration responses. Metaheuristic algorithms such as particle swarm optimization were employed for architecture tuning. Prediction ac

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Cherepanov, Aleksandr, Vasily Zakaryukin, and Andrey Kryukov. "Modeling of traction power supply systems for movement of high-speed trains." MATEC Web of Conferences 216 (2018): 02006. http://dx.doi.org/10.1051/matecconf/201821602006.

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Upgrading of traction power supply systems will be required to transfer electrified railway lines to high-speed traffic. Coaxial cables and balancing transformers can be used as technical upgrading means. The article presents the results of computer simulation in the Fazonord software complex of the traditional 2x25 kV traction system, as well as systems with coaxial cables and Woodbridge symmetric transformers. Simulation results showed that the use of cables contributes to a significant increase in the level of voltage on current collectors of electric rolling stock. Use of modified Woodbrid

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Bashynska, Iryna, Viktoriia Kryvda, Dariusz Sala, Liubov Niekrasova, Oleksii Maksymov, and Vladyslav Suvorov. "Simulation Model of a Unified Energy System for Different Scenarios of Planned Disturbances." Energies 17, no. 23 (2024): 6136. https://doi.org/10.3390/en17236136.

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The study established that the application of graph theory enables the creation of a model of a country’s power system structure in the form of a tiered graph. This allows complex structural elements of the system, such as generating units, electrical substations, and power transmission lines, to be represented as nodes and edges in simulation models that can be used for analysis, dispatch control, and optimization of system operation. A simulation model of the unified power system has been developed to analyze operational efficiency and performance under various planned disturbance scenarios.

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Hu, Huan, Kang Xu, Xianya Zhang, et al. "Research on Predictive Maintenance Methods for Current Transformers with Iron Core Structures." Electronics 14, no. 3 (2025): 625. https://doi.org/10.3390/electronics14030625.

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The reliable operation of power systems is heavily dependent on effective maintenance strategies for critical equipment. Current maintenance methods are typically categorized into corrective, preventive, and predictive approaches. While corrective maintenance often results in significant downtime and preventive maintenance can be inefficient, predictive maintenance emerges as a promising technique for accurately forecasting faults. In this study, we investigated the diagnosis and prediction of fault states, specifically single-phase short circuit (1HCF) and double-phase short circuit (2HCF) fa

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Kladiev, Sergey N. "REVIEW AND CRITICAL ANALYSIS OF THE CURRENT STATE AND WAYS TO IMPROVE REGULATED POWER SUPPLIES AND AUTOMATIC CONTROL SYSTEMS FOR ELECTRIC CENTRIFUGAL PUMPING UNITS IN INTERMITTENT OPERATION OF OIL WELLS." Bulletin of the Tomsk Polytechnic University Geo Assets Engineering 334, no. 9 (2023): 203–15. http://dx.doi.org/10.18799/24131830/2023/9/4351.

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Link for citation: Kladiev S.N. Review and critical analysis of the current state and ways to improve regulated power supplies and automatic control systems for electric centrifugal pumping units in intermittent operation of oil wells. Bulletin of the Tomsk Polytechnic University. Geo Аssets Engineering, 2023, vol. 334, no. 9, рр. 203-215. In Rus. Relevance. At present efforts are being made to convert low- and medium-flow oil wells to cyclical or short-term operation in order to reduce the excess pumping capacity that resulted from the reduction of well flow that is caused by reduced reservoi

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Хальясмаа, Александра, Павел Матренин, and Станислав Ерошенко. "Assessment of Power Transformer Technical State Using Explainable Artificial Intelligence." Problems of the Regional Energetics, no. 4(64) (November 2024): 1–9. https://doi.org/10.52254/1857-0070.2024.4-64.01.

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The functioning of deeply integrated technological systems in the power industry depends on the quality of power supply systems. Reliable power supply requires minimizing emergencies at power plants and substations. Reducing the accident rate is possible by switching to the maintenance and repair of high-voltage equipment based on its actual technical state. Machine learning methods make it possible to assess the actual technical state of various equipment types based on an aggregated analysis of many parameters, in contrast to methods based on comparing parameters with boundary values without

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Chen, Guojin, Yucheng Zhu, Zihao Meng, et al. "A Smart Grid Overvoltage Identification System Associated with Partial Discharge Signal and Dielectric Loss Detection." Sensors 23, no. 18 (2023): 7727. http://dx.doi.org/10.3390/s23187727.

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Capacitive equipment refers to its insulation design using the principle of capacitance of electrical equipment, mainly by a variety of different capacitive components in series. Most of the equipment in the substation is capacitive equipment. Once an insulation failure occurs, it will lead to extremely serious consequences. Monitoring grid overvoltage and insulation degradation of capacitive equipment is an effective means to ensure the stable operation of the power system. Therefore, in order to enhance the health management of capacitive equipment, including transformers, bushings, and curr

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41

Ribič, Janez, Gorazd Štumberger, Marko Vodenik, et al. "Multiplicative Method for Assessing the Technical Condition of Switching Bay Devices in a Substation Using Maintenance Priorities." Applied Sciences 15, no. 13 (2025): 6992. https://doi.org/10.3390/app15136992.

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This paper presents a novel method for assessing the technical condition of devices in thehigh-voltage (HV) switching bay of a substation, focusing on circuit breakers,disconnectors, and instrument transformers. These devices are typically maintained usinga condition-based maintenance approach. The proposed method integrates data fromindividual maintenance tasks into a comprehensive assessment of each device’s technicalcondition. Traditionally, the technical condition and health index assessments rely solelyon additive criteria. This study introduces an advanced assessment method thatincorpora

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42

Elfeki, Imène, Sébastien Jacques, Ismail Aouichak, Thierry Doligez, Yves Raingeaud, and Jean-Charles Le Bunetel. "Characterization of Narrowband Noise and Channel Capacity for Powerline Communication in France." Energies 11, no. 11 (2018): 3022. http://dx.doi.org/10.3390/en11113022.

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Narrowband powerline communication (NB-PLC) systems represent a key step for the real development of smart grids’ applications in the medium voltage (MV) and low voltage (LV) networks. This article sums up the results of a complete experimental measurement campaign aimed at investigating the low voltage NB-PLC channel in the frequency range from 9 to 500 kHz in various sites (i.e., rural, urban etc.) located in France. The noise features in time-frequency representation are studied at five different sites between the transformer substation and the smart electricity meter. The main contribution

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43

Yang, Fan, Hechong Chen, Kaijun Fan, et al. "A Time-Limited Adaptive Reclosing Method in Active Distribution Networks Considering Anti-Islanding Protection." Processes 12, no. 12 (2024): 2781. https://doi.org/10.3390/pr12122781.

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In active distribution networks (DNs), distributed energy resources (DERs) must be disconnected from the grid prior to automatic reclosing actions. Many scholars have proposed non-voltage checking reclosing methods, but a significant challenge arises; many substations lack line-side voltage transformers (LSVTs), making these schemes impractical. To address this, we introduce a time-limited adaptive automatic reclosing (TLAR) method that integrates DERs’ anti-islanding protection (AIP) with automatic reclosing. This method estimates the AIP action time using bus-side voltage measurements before

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44

Shahida, Khatoon, Ibraheem, Gupta Priti, and Shahid Mohammad. "Comparison of fuzzy time series, ANN and wavelet techniques for short term load forecasting." International Journal of Power Electronics and Drive Systems 14, no. 02 (2023): 1260~1269. https://doi.org/10.11591/ijpeds.v14.i2.pp1260-1269.

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The present article presents the load forecasting for a power system (substation) load demands using techniques based on fuzzy time series (FTS), artificial neural network (ANN), and wavelet transform (WT). The mean absolute percentage error (MAPE), integral absolute error (IAE), integral of time multiplied error (ITAE), integral square error (ISE) along with integral time multiplied square error (ITSE) criteria are used for determining the performance indices and minimizing the error. From the investigations of the results obtained in the study, it is inferred that forecasting of electric loa

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45

Chen, Guoda, Huafeng Yang, Huiqiang Cao, Shiming Ji, Xi Zeng, and Qian Wang. "Design of an embracing-type climbing robot for variation diameter rod." Industrial Robot: the international journal of robotics research and application 46, no. 1 (2019): 56–72. http://dx.doi.org/10.1108/ir-09-2018-0200.

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Purpose For the climbing rod object with large diameter variation and the need of obstacle crossing, this paper aims to propose a new embracing-type climbing robot named as EVOC-I robot. Design/methodology/approach The design philosophy and structural scheme are introduced. The kinematic analysis of embracing and telescoping mechanisms is carried out to provide the theoretical foundation for the effective climbing of the robot. Based on the prototype robot, three preliminary experiments are carried out to verify the effectiveness of the designed robot. Findings The theoretical and experimental

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46

Grigoraș, Gheorghe, Bogdan-Constantin Neagu, Ovidiu Ivanov, Bogdan Livadariu, and Florina Scarlatache. "A New SQP Methodology for Coordinated Transformer Tap Control Optimization in Electric Networks Integrating Wind Farms." Applied Sciences 12, no. 3 (2022): 1129. http://dx.doi.org/10.3390/app12031129.

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The real-time control of optimal power flow (OPF) in electric networks represents, in the last period, a challenge for the Distribution Network Operators (DNOs) and Transmission System Operators (TSOs) under the conditions of large-scale integration of renewable energy sources. The paper focused on the voltage management in the electric networks with wind farms connected, proposing a fast Successive Quadratic Programming (SQP)-based centralized control (CC) methodology of the on-load tap changers (OLTC) corresponding to the transformers from the electric substations, which can be included in t

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Chen, Mei Qian, Tun Dong Liu, Wen Bo Zhou, and Rong Jie Wang. "Development of Public Lighting Remote Monitoring System Controller." Advanced Materials Research 433-440 (January 2012): 7400–7406. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.7400.

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To realize the efficient and stable real-time monitoring and intelligent management of the urban public lighting, the remote monitoring system is developed. The system is composed of monitoring center and monitoring terminals, and realizes network connection via the advanced remote wireless communication technology GPRS. It uses TI Company’s MSP430 processor chip as the monitoring terminal controller, which integrates automatic control, data acquisition, communication and other technologies and has such functions as monitoring, remote control, anti-electricity theft, remote meter reading and c

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Schasny, V. P., and A. I. Zhukouski. "On the Mutual Influence of Voltage Control Modes and the Compensation of Reactive Power in the Electrical Networks of Industrial Enterprises." ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations 64, no. 3 (2021): 239–49. http://dx.doi.org/10.21122/1029-7448-2021-64-3-239-249.

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The efficiency of an enterprise’s power supply system depends on the quality of electricity and the losses of the latter in electrical networks; both being largely determined by the modes of voltage control and reactive power compensation. In practice, the problems of voltage control and reactive power compensation in power supply systems of industrial enterprises, including electric networks with a voltage of up to 1 kV, as well as 6, 10 kV and higher, are often solved separately. It triggers an irrational use of existing voltage control devices, underutilization of the installed capacity of

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Pan, Zeyu, Jianyong Shi, and Liu Jiang. "A Novel HDF-Based Data Compression and Integration Approach to Support BIM-GIS Practical Applications." Advances in Civil Engineering 2020 (December 17, 2020): 1–22. http://dx.doi.org/10.1155/2020/8865107.

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Constructing a fully mapped virtual world is the premise of establishing the digital twin system; thus, the integration of BIM (Building Information Modeling) and GIS (Geographic Information System) constitutes a fundamental part of the mature digital twin. Although quite a few theoretical unified data models of BIM and GIS integration have been presented in precedent research, the practical web-based applications and software support for real-world city information modeling are still difficult to achieve. One of the challenges is storage inefficiency. It thence leads to burdens in exchange an

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Maskov, L. R., and V. Y. Kornilov. "Analysis of the structure and energy parameters of the electrical complex (EC) of gas complex №1 «Gazprom dobycha Yamburg» LLC." Power engineering: research, equipment, technology 23, no. 6 (2022): 66–86. http://dx.doi.org/10.30724/1998-9903-2021-23-6-66-86.

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THE PURPOSE. Consider the structure of the centralized and autonomous power supply system for gas field (GF) №1 of «Gazprom dobycha Yamburg» LLC. Perform the calculation of the main energy indicators (consumed active, reactive and apparent power, power factors, reactive power factors) for each section of busbars (SB) of complete transformer substations (CTS) according to wattmetrograms taken by electromechanical meters on the linear cells of closed switchgear (CS) during a calendar year. Calculate the peak current of a group of electric receivers (ER) for each CS CTS. To analyze the features o

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