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Artykuły w czasopismach na temat „Substation protection”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Oyeleye, M. O. "Evaluation of Lightning Protection Efficacy on Nigerian Installations High Voltage Installations Using Screen and Cone of Protection Methods." European Journal of Engineering Research and Science 4, no. 7 (2019): 1–10. http://dx.doi.org/10.24018/ejers.2019.4.7.1401.

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This study evaluated lightning protective system efficacy on 11kV-132kV substation-power line installation in Ikorodu, Lagos State, Nigeria with reference to cloud to ground(C-G) lightning strike (LS) events. It focus on interception of lightning strikes and its protection with reference to direct lightning strike (DLS) and indirect lightning strike (IDLS). Data were collected from Ikorodu 132/33 kV Transmission Substation and its four major injection stations. This work was carried out using physical measurement of raw data obtained from the high voltage substation. Installations were scaled

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Oyeleye, M. O. "Evaluation of Lightning Protection Efficacy on Nigerian Installations High Voltage Installations Using Screen and Cone of Protection Methods." European Journal of Engineering and Technology Research 4, no. 7 (2019): 1–10. http://dx.doi.org/10.24018/ejeng.2019.4.7.1401.

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This study evaluated lightning protective system efficacy on 11kV-132kV substation-power line installation in Ikorodu, Lagos State, Nigeria with reference to cloud to ground(C-G) lightning strike (LS) events. It focus on interception of lightning strikes and its protection with reference to direct lightning strike (DLS) and indirect lightning strike (IDLS). Data were collected from Ikorodu 132/33 kV Transmission Substation and its four major injection stations. This work was carried out using physical measurement of raw data obtained from the high voltage substation. Installations were scaled

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Hua, Liang, Jiaen Qi, Wei Huang, Sijiang Zhang, Feng Gao, and Shengjiang Peng. "An improved simulated load test system." Journal of Physics: Conference Series 2093, no. 1 (2021): 012019. http://dx.doi.org/10.1088/1742-6596/2093/1/012019.

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Abstract A miniaturized analog load-checking relay protection test device is developed in this paper, in which a high-precision wireless phase volt-ampere test device is configured. This device, characterized by intelligence and ease of operation, realizes the detection of the transformation ratio, polarity, phase, etc. of the secondary wiring of the transformer in the smart substation merging unit and the conventional substation. It meets the testing requirements of smart substations, and can test bus differential protection, line protection, and various protections such as main transformer d

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4

Song, Jin Hui, Yi Kang, and Xu Zhang. "Design of Substation Protection Device Based on IEC61850 MMS." Applied Mechanics and Materials 246-247 (December 2012): 1186–89. http://dx.doi.org/10.4028/www.scientific.net/amm.246-247.1186.

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This article is mainly targeted at domestic substation devices appear in poor interoperability and Statute conversion complex issues, proposed a cost savings and interoperability of new ideas. After the access to the abundant literature and practical research, with the current international universal iec61850 standard and Manufacturing Message Specification (MMS), designed a substations the protection model which is not require protocol conversion and savings the statute converted cost. This model has the basic features needed by devices; on the other device in the substation's design has some

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5

Kuang, Honggang, Pengfei Yi, Yuanbo Luo, et al. "Research on Fault Diagnosis Method of Secondary Equipment in Intelligent Substation." Journal of Physics: Conference Series 2260, no. 1 (2022): 012020. http://dx.doi.org/10.1088/1742-6596/2260/1/012020.

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Abstract With the continuous development of power grid scale, traditional substations are gradually replaced by smart substations. In view of the high safety risks of the current power system secondary equipment maintenance and fault isolation work. A new smart substation network structure method for fault diagnosis of smart substations is proposed for the relay protection measurement circuit, and the fault status of the secondary equipment of the smart substation is analysed. First, the timeliness and reliability of relay protection are considered, and the intelligent substation network struc

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6

Lu, Yan, Yan Peng Zhang, and Ye Tian. "Research on Automatic Checking of Protection Functions for Smart Substation." Advanced Materials Research 1028 (September 2014): 200–207. http://dx.doi.org/10.4028/www.scientific.net/amr.1028.200.

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The considerable variability of architecture and function realization of smart substation, which differ from traditional substations, makes the range of protection function check no longer restricted to one device, so it is necessary to carry out thorough monitoring and testing for various inks of functional implementation [1-2]. For this purpose, the automatic checking of protection functions for smart substation is researched, and a scheme for the implementation of the automatic checking is designed [3-4]. By means of adding various checking manners to application software implementation of

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7

Budi Sulistiawati, Irrine, M. Zaid Sahlan Shaufi, and I. Made Wartana. "Penggunaan Metode Rolling Sphere untuk Pengamanan Jaringan 150 kV dari Sambaran Petir Langsung." Jurnal JEETech 4, no. 1 (2023): 20–29. http://dx.doi.org/10.32492/jeetech.v4i1.4104.

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Lightning strikes can cause protection failure at substations such as equipment damage at substations due to insulation failure or what is known as flashover. Because of that, a lightning strike protection system is needed to minimize the occurrence of direct lightning strikes to equipment and buses at the substation. This study discusses the modeling of the protection of the substation from direct lightning strikes using the rolling sphere method at the Wonosari-pedan 150 kV substation using lightning rod poles. The calculation results show that with the configuration of a lightning rod as hi

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Nepomnyaschiy, V., J. Gerhards, A. Mahnitko, and T. Lomane. "Reliability of Latvian Power System’S 330 KV Substations." Latvian Journal of Physics and Technical Sciences 51, no. 3 (2014): 15–23. http://dx.doi.org/10.2478/lpts-2014-0016.

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Abstract Substation reliability is always a topical problem. The authors consider the techniques for reliability calculation based on logical-probabilistic approach to the evaluation of electrical substation switchgear schemes and equipment at emergency situations with disconnections of individual elements of the substation equipment or false operation of relay protection and automation devices. Based on the reliability analysis made for the 330kV substations of Latvian Electric Power System, recommendations are given concerning the reconstruction of switchgear schemes for some substations

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9

Mustafin, R. G., and V. A. Kasimov. "Use of synchronized vector measurements technology for perform relay protection functions." Power engineering: research, equipment, technology 25, no. 2 (2023): 110–23. http://dx.doi.org/10.30724/1998-9903-2023-25-2-110-123.

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RELEVANCE. Recently, along with the initial scope of synchronized vector measurements (synchrophasor) technology associated with Wide Area Measurement System (WAMS), more and more attention is paid to expanding the scope of this technology. Digital substations are one of the places for generating synchrophasor signals, at the same time, synchrophasor data are proposed to be used for the purposes of relay protection and automation at the digital substations itself, which will facilitate the construction of centralized relay protection systems at the substation. THE PURPOSE. Consider the use of

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10

Chandekar, Roshani. "Automation Supply Control of Substation during Disaster." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 2444–46. http://dx.doi.org/10.22214/ijraset.2021.34819.

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Green and sustainable power is the need of the day. With widening supply and demand gap, power management has become one of the most critical areas of concern all over the world. India’s energy consumption is increasing at one of the fastest rates in the world. Hence, we require Substation Automation Systems in the present day substations to efficiently control and deliver power. The main objective is to create a SCADA system for the desired substation. Power automation serving electric supply locations often require special protection against the effects of fault-produced. Protection relays n

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11

Liu, Fengchun, Shan Tu, Hanbing Yan, Xiufang Chen, and Liqiang Guo. "Analysis of Noise Environment and Noise Reduction Measures in Urban 110kV Indoor Substations." E3S Web of Conferences 145 (2020): 02066. http://dx.doi.org/10.1051/e3sconf/202014502066.

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With the rapid development of society and economy, the public awareness of environmental protection has gradually increased, and urban substation noise has become an environmental issue of concern to residents. In order to study the current status of the noise environment of urban substations, to guide the management of substation noise and the construction of transmission and transformation projects, this article selects 50 110kV indoor substations as objects, and measures their boundary noise. By analyzing the characteristics of the noise source of the substation with excessive noise and var

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12

Malik, U. F., T. Izhar, Y. Saleem, and M. J. Arshad. "DESIGN AND ANALYSIS OF LIGHTNING PROTECTION FOR SUBSTATIONS." Nucleus 51, no. 2 (2014): 275–80. https://doi.org/10.71330/thenucleus.2014.713.

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The study of natural disturbance lighting and protection against is very important in protection of substation. For designing and analysis of lightning protection of substations, a computer program has been developed with the help of Matlab in graphical user interface (GUI). Shield wire scheme has been implemented for lightning protection. Economical criterion has been given the major preference in this computer application while maintaining the protection. This computer application Matlab tool can quickly design lightning protection for Substation and it may prove to be very helpful for desig

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13

Yogendra, Singh, Lal Mathur Amba, and Deepika Chauhan Dr. "A Review on Substation Monitoring and control technologies and Problems." International Journal of Trend in Scientific Research and Development 2, no. 3 (2018): 1097–102. https://doi.org/10.31142/ijtsrd11273.

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The paper present review on various substation monitoring and control technologies to convert conventional substations into smart substation, This includes automated monitoring and control using PLC and SCADA system , microcontrollers based monitoring and control system, cloud computing and Intelligent electronics devices IEDs monitoring ,control and protection system for substations. Further, this paper also includes the recent advancement in substation automation which includes the new standard proposed by International Electro technical commission IEC which is IEC 61850 for communication sy

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14

Chen, Yang, Zhao Haibo, He Shixuan, Liu Huiqing, Xu Hongtao, and Fan Xiying. "Research on Key Technology and Technical and Economic Indicators of 220kV Prefabricated Cabin Substation." E3S Web of Conferences 292 (2021): 01009. http://dx.doi.org/10.1051/e3sconf/202129201009.

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The prefabricated cabin substation is a new type of intelligent substation integrating environmental protection, energy saving, high efficiency and economy. In view of the characteristics of the prefabricated cabin intelligent substation, its differences with conventional substations in terms of modularity and intelligent design are compared, the advantages of the prefabricated cabin substation are summarized, the key technology research of the cabin design is carried out, and its technical and economic indicators are analyzed. The research results show that, compared with conventional standar

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15

Xu, Luwen, Bo Yang, Tao Yang, Anxin Zou, and Lin Zhang. "Analysis and research on precise control mode of outdoor substation noise." E3S Web of Conferences 194 (2020): 03018. http://dx.doi.org/10.1051/e3sconf/202019403018.

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As people pay more and more attention to the environmental noise problem of substations, it is an important environmental protection work to carry out noise control of over-subjected substation. According to the lack of strict scientific argumentation, poor engineering control effect and high project cost, the paper proposes an accurate control model for outdoor substation noise. Taking the actual substation as an example, with the development of the substation environmental noise analysis system software SENCS, through six steps of data collection, model verification, pre-treatment analysis,

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16

Wang, Yuxue, Wei Liu, Shaolin Jiao, Zeya Fang, Yiquan Li, and Minghao Wen. "Substation-area Backup Protection Scheme for the Failure of 10kV Line Protection Device." Journal of Physics: Conference Series 2087, no. 1 (2021): 012009. http://dx.doi.org/10.1088/1742-6596/2087/1/012009.

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Abstract The research on wide-area backup protection for high-voltage transmission lines has made certain progress in recent years, but there are few reports published on substation-area backup protection for low-voltage 10kV transmission lines. Based on the characteristics of shared information in intelligent substation, a substation-area backup protection scheme to deal with the failure of 10kV line protection device is proposed in this paper. This scheme uses the device self-test information and heartbeat mechanism to monitor the operation status of 10kV line protection devices; to realize

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17

Tobar-Rosero, Oscar A., John E. Candelo-Becerra, and Germán Zapata. "Performance Analysis of Overcurrent Protection in a Digital Substation with Process Bus." Sustainability 14, no. 13 (2022): 7958. http://dx.doi.org/10.3390/su14137958.

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The digitization of electrical substations brings great challenges for the commissioning of electrical protections, and interoperability tests must be performed with different equipment. Therefore, this work evaluates the response time of an electrical protection relay operating with sampled values in a digital substation with a process bus. A test scheme is proposed to emulate the process bus based on analyzing the main components in a digital substation with multi-vendor device interoperability. In addition, the delay times of the protection relay with the process bus are measured, consideri

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Hermawan, Ahmad, Priya Surya Harijanto, Fadhil Wiguno, and Satria Luthfi Hermawan. "Implementasi Relai Low Impedance Pada Gardu Induk 150 kV Lengkong Lama." Elposys: Jurnal Sistem Kelistrikan 12, no. 2 (2025): 79–84. https://doi.org/10.33795/elposys.v12i2.7234.

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The substation played a vital role in the distribution of electrical power from the generator to end users, requiring a reliable protection system to ensure continuity and safety. At the 150 kV Lengkong Substation, the existing busbar protection system used an electromechanical high impedance relai, which lacked the sensitivity, selectivity, and reliability demanded by current operational standards. This research aimed to improve the reliability of the substation’s protection system by replacing the high impedance relai with a digital low impedance numerical relai (GE P746). The method involve

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19

Yuekang, Wu, Chen Shuheng, Jing Shi, and Shi Xueting. "A research based on testing method for the whole substation cascaded in digital substation." E3S Web of Conferences 64 (2018): 04002. http://dx.doi.org/10.1051/e3sconf/20186404002.

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Substation as an important component of the power grid, its safe and steady operation is crucial to the power grid. After building new substation or renovating the old ones, they needs to be tested to ensure its safe operation. The method, using relay protection tester to test the substation equipment nowadays, is not available to the whole cascade related connecting equipment, and the test work need a lot of manpower and material resources. To make up for all kinds of shortcomings when testing, this paper proposes a digital substation-oriented testing method for whole station concatenation, a

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Torres, E., P. Eguia, O. Abarrategi, D. M. Larruskain, V. Valverde, and G. Buigues. "Virtualization in substations. Technologies and applications." Renewable Energies, Environment and Power Quality Journal 2 (July 2024): 269–75. http://dx.doi.org/10.24084/reepqj24.419.

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The application of digital technologies in electric substations will be a key driver to develop the green transition and leverage the benefits from a smarter power grid. One of those technologies is virtualization, widely used in IT. Substation virtualization will allow the development of more flexible and agile substations and will contribute to a more resilient grid. However, its application in substations poses several issues, as they are critical facilities with real time and high reliability operation requirements. This paper reviews main virtualization concepts and technologies, and thei

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Torres, E., P. Eguia, O. Abarrategi, D. M. Larruskain, V. Valverde, and G. Buigues. "Trends in Centralized Protection and Control in Digital Substations." Renewable Energy and Power Quality Journal 21, no. 1 (2023): 196–201. http://dx.doi.org/10.24084/repqj21.266.

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In recent years, the trend of digitalization has sped up in all economic and industry sectors. In the electric power sector, new digital technologies will introduce deep changes in the architecture of protection and control systems of future electric substations to adapt to a new environment with increasing levels of inverter-based and distributed energy resources along with a large number of sensors, automation equipment and other control, protection and measurement devices. This paper reviews the evolution of the traditional substation toward new protection and control architectures based on

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Oyeleye, Yinka, Dare Adeniran, and Emmanuel Itodo. "Design of Effective 33/11 kV Injection Substations Using International Standards." Journal of Applied Science & Process Engineering 8, no. 2 (2021): 977–85. http://dx.doi.org/10.33736/jaspe.3625.2021.

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This research focuses on the design of an effective 33/11 kV modelled injection substation that conforms to an appropriate standard for equipment protection, the safety of personnel and power quality compliance. This is to provide a solution to one of the major problems industries in Nigeria faces due to sudden voltage fluctuations in the power system which results in damages to equipment and thus outage of power supply and damages to substation equipment. The methodology involved designing an effective 33/11 kV injection substation and associated distributive substation elements using interna

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Wang, Shi Yong, and Ting Ting Shi. "Research on Condition Monitoring of Protection System Based on Substation Area Protection." Advanced Materials Research 986-987 (July 2014): 1245–49. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.1245.

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Protection equipment in intelligent substation includes Merging Unit, protection equipment and Intelligent Terminal. At present, the status of the intelligent electronic device in intelligent substation protection system is still lack of effective monitoring means. According to the characteristics that substation area protection can obtain current information of all circuits in substation through GOOSE network, a protection system conditioning monitoring relay named PSCMR is designed in this paper. Based on the principle of current differential, PSCMR can accurately identify the abnormal condi

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Taryo, Taryo, Ostadz Al Karim, and Jajang Nur Sapaat. "EVALUATION SUBSTATION PROTECTION SYSTEM FROM LIGHTNING STRIKES AT 150KV JATIGEDE SUBSTATION." Protek : Jurnal Ilmiah Teknik Elektro 12, no. 1 (2025): 25–31. https://doi.org/10.33387/protk.v12i1.8319.

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Grounding serves a crucial role in the field lightning protection, electric power, and electric power communications networks. The grounding system's purpose is to guide the flow of electrical charges to the ground mass as rapidly as feasible. The goal of this study is to analyze the grounding system utilized to ensure the continuity of electrical energy production and delivery. In this study, quantitative methods are used to calculate lightning parameters, substation protection by earthing wires and protection towers, earthing system, mesh voltages, touch voltages and step voltages. According

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Yu, Zhen, Hao Huang, Shu Yan Cheng, and Ye You. "Design of Digital Substation Automation Models Based on GOOSE Communication Mechanism." Advanced Materials Research 187 (February 2011): 204–9. http://dx.doi.org/10.4028/www.scientific.net/amr.187.204.

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In this study, the author takes the reconstruction of an 110kv digitized power substation as the case research object. To achieve these requirements of intelligentizing device in substations and networking device as well as communication, this reconstruction creates data modeling and gateways design in IEDs of space layers. Communication in space layers utilizes GOOSE network communication mechanism specified by IEC61850 standards instead of busbar signals in traditional protection, which resolves more hard-wire connections existing in each outlet together with subsection protections and simpl

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BABU, N. V. Phanendra, P. Suresh BABU, and D. V. S. S. Siva SARMA. "Critical Elements Based Optimal PMU Placement Considering Substation Coverage." International Journal on Electrical Engineering and Informatics 12, no. 3 (2020): 418–30. http://dx.doi.org/10.15676/ijeei.2020.12.3.2.

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The Phasor Measurement Unit (PMU) is becoming the most prominent tool for power system applications like power system operation, control, and protection. In a robust and accurate wide-area measuring system, the PMU should observe not only the elements in its substation but also the critical elements and its incident busses. As the PMU cost limits their deployment, they must be installed optimally considering the substation installation and the critical lines in the power system. This paper introduces a new Optimal PMU Placement algorithm considering the optimal substations and the critical ele

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Tuan, Doan Kim. "Overcurrent and Differential Protections for Power Substations Using Three-Winding Transformer." International Journal of Research and Review 9, no. 1 (2022): 728–37. http://dx.doi.org/10.52403/ijrr.20220184.

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This paper presents a method to determine parameters of overcurrent and differential protections for power substations using three-winding power transformers. Active current threshold and time and working area are shown in this paper to help to calculate and set above relaying protections. An experimental model depicted a relaying system for a power substation using two three-winding power transformers is built to serve education training. It has a complete system structure of relaying protection, including a Arduino Mega 2560 processor, measuring system emulated by variable resistors, real ti

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Jurišić, Goran, Juraj Havelka, Tomislav Capuder, and Stjepan Sučić. "Laboratory Test Bed for Analyzing Fault-Detection Reaction Times of Protection Relays in Different Substation Topologies." Energies 11, no. 9 (2018): 2482. http://dx.doi.org/10.3390/en11092482.

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Visions of energy transition focus on activating end users, meaning that numerous flexible-distribution network-level devices become active participants in power-system operations. This implies a fast, reliable, and secure exchange of data, enabling the distribution-system operators to maintain, or even improve, the quality and delivery of service. With the introduction of the International Electrotechnical Commission (IEC) 61850 standard, the path is set for a single communication topology covering all substation levels. The standard has the potential to change the way substations are designe

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Zhang, Yan Jie, Zhi Heng Xu, Hai Bo Zhang, Xing Qiao Wang, and Xue Hua Shi. "A Test Rig for Smart Substation Training System." Applied Mechanics and Materials 719-720 (January 2015): 590–95. http://dx.doi.org/10.4028/www.scientific.net/amm.719-720.590.

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The concept of smart substations has been widely used in power systems. Since the variation in interfaces and communication manner, the operating& maintenance methods for smart stations have changed a lot compared with the traditional substations. In this paper , a training system based on virtual substation primary equipment combined with real secondary devices is developed for accident management and operating work in smart substations. The training system is also used to test the relay protection algorithms、Ethernet switch functions、fault recorder actions ,and so on.

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Ren, Zhenxing, Daowu Yang, Jun Liu, Yong Ma, Zhongtang Huo, and Shaochang Zheng. "The protection of 500kV substation grounding grids with combined conductive coating and cathodic protection." Anti-Corrosion Methods and Materials 62, no. 2 (2015): 83–87. http://dx.doi.org/10.1108/acmm-10-2013-1311.

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Purpose – The purpose of the paper was to design an anti-corrosion system that combined conductive coatings with cathodic protection for a 500-kV substation ground grid, and provide a basis for the anti-corrosion construction of the installation. Design/methodology/approach – The study took the Shaoguan 500-kV substation grounding grid as the research object. The anti-corrosion performance of KV conductive coatings on grounding metal was researched. In parallel, the alkalinity of substation soil was evaluated according to the German DIN50929 Standard, and the combined protection system compris

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Wang, Yu, Changbao Xu, Jianyang Zhu, Mingyong Xin, and Li Zhang. "Research on automatic physical testing method of relay protection equipment through data fusion technology." Journal of Physics: Conference Series 2083, no. 2 (2021): 022019. http://dx.doi.org/10.1088/1742-6596/2083/2/022019.

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Abstract Intelligent substations can accomplish deeper and more complex substation information exchange and processing by virtue of their equipment intelligence and data integration. In this paper, a relay protection equipment test system for intelligent substations is investigated for intelligent relay protection equipment. By applying data fusion technology in the testing process, functions such as automatically obtaining the action information of secondary devices and judging the response status of secondary devices can be accomplished. Applying the test system proposed in this paper to hig

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Rizki, Eko Nio. "Simulasi Pencegahan Blackout Akibat Gangguan Hubung Singkat Di Luar Zona Proteksi Diferensial Pada Jaringan Distribusi Closed Loop Penyulang Kompetensi dan Potensial." ENERGI & KELISTRIKAN 13, no. 2 (2021): 198–205. http://dx.doi.org/10.33322/energi.v13i2.1555.

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One way to improve the reliability of the power distribution system is to design a good protection system, which is selective, sensitive, reliable, fast, and easy. Through the simulation in this study, the protection system that has been installed will be compared, namely a closed-loop system with differential relay protection with a protection system with additional logic at the relay output, focusing on busbar disturbances belonging to customers substations. The result is that the protection system that has been installed has a drawback, namely when there is a disturbance in the busbar of th

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Dwyer, J. F. "Expanding Raptor Protection to Include Collision Prevention and Substation Management." Raptors Conservation, no. 2 (2023): 411–12. http://dx.doi.org/10.19074/1814-8654-2023-2-411-412.

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Electrocution mitigation is frequently the first step electric system operators take to manage raptor mortality on overhead electric systems. As electrocutions are addressed, operators often begin to distinguish carcasses found under pylons (electrocutions) from carcasses found mid-span between pylons (collisions), and begin to identify avian concerns in electrical substations, including raptor electrocutions. Each of these concerns, mid-span collisions and substation electrocutions, can involve raptors. This presentation will summarize the current state of the art in managing avian collisions

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Shin, Soohyun, and Hyosik Yang. "Performance Analysis of Routable GOOSE Security Algorithm for Substation Communication through Public Internet Network." Sensors 23, no. 12 (2023): 5396. http://dx.doi.org/10.3390/s23125396.

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Traditional unidirectional power systems that produce large-scale electricity and supply it using an ultra-high voltage power grid are changing globally to increase efficiency. Current substations’ protection relays rely only on internal substation data, where they are located, to detect changes. However, to more accurately detect changes in the system, various data from several external substations, including micro-grids, are required. As such, communication technology regarding data acquisition has become an essential function for next-generation substations. Data aggregators that use the GO

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Lima, Diomar A. C., Daniel P. Bernardon, Adriano P. Morais, et al. "Review of Bus Differential Protection Using IEC 61850." Energies 15, no. 24 (2022): 9537. http://dx.doi.org/10.3390/en15249537.

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The electrical power system is susceptible to several faults, which can cause the system to malfunction. Among these, the ones that occur in the busbars of substations stand out. The main bus of a substation can concentrate a large amount of power and many derivations to service electrical loads, making it an element of high importance for the reliability of the system. Although the buses have a low incidence of faults, they are considered critical elements of the electrical power system, as their operating output can cause a large number of forced outages. This situation makes the protection

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Wen, Caiquan, Xiaofu Xiong, Xin Wei, Maohua Yan, Hao Rong, and Dachuan Li. "The New Method for Ground Insulation Monitoring of the Secondary Circuit in Substations." Processes 12, no. 11 (2024): 2351. http://dx.doi.org/10.3390/pr12112351.

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When two-or-more-point grounding faults occur in the secondary circuit of a substation, they will lead to large data measurement errors in the protection, measurement, and control devices, which can easily cause protection malfunction. At present, there is a lack of an online panoramic monitoring system for the secondary circuits of substations, and it is difficult to accurately identify the faults in these secondary circuits. In order to solve this problem, this paper proposes a cloud–edge collaboration framework for the power Internet of Things (IoT), which can accurately identify faults by

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Chen, Linwei, Haiyu Li, Thomas Charton, and Ray Zhang. "Virtual Digital Substation Test System and Interoperability Assessments." Energies 14, no. 8 (2021): 2337. http://dx.doi.org/10.3390/en14082337.

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Interoperability testing and analysis tools provide a means for achieving and assuring the integrity of multivendor intelligent electronic devices (IEDs) data exchanges. However, the testing and analysis are very time consuming and error prone, and these problems worsen when a substation becomes large and complex during the engineering process, commission, replacement, maintenance, and extension. To address this challenge, this paper presents a virtual digital substation test system (VDSTS) with interoperability analysis tools for assessing and identifying the engineering challenges for the mu

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R, Sampath. "Cybersecurity Enhancement of Transformer Differential Protection." International Journal for Research in Applied Science and Engineering Technology 11, no. 5 (2023): 1928–33. http://dx.doi.org/10.22214/ijraset.2023.51963.

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Abstract: The increasing use of information and communication technologies (ICT) in the operational environments of power grids has been essential for operators to improve the monitoring, maintenance, and control of power generation, transmission, and distribution; however, this has come at the expense of increasing the grid's exposure to cyber threats. This paper looks at cyberattack scenarios that target protective relays in substations, which can be the most important part of protecting power systems from abnormal conditions. The overall performance of the power grid could suffer significan

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Akhikpemelo, A. "Optimal design analysis of substation ground grid mesh." Nigerian Journal of Technology 42, no. 2 (2023): 274–81. http://dx.doi.org/10.4314/njt.v42i2.16.

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Substations are grounded by means of earth-embedded electrodes in order to provide safety during normal or fault conditions. Electric substations are effectively grounded to guarantee the proper operation of electrical devices, minimize the likelihood of flash-over during transient conditions as well as dispel lightning strokes. A structure is termed grounded if it is electrically bonded to earth-embedded metallic frames. The earth-embedded metallic frames provide a conducting pathway of electricity to the earth and it is called a ground grid system. Substation ground grid mesh is comprised of

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Pelevin, Dmytro. "Magnetic field normalization in residential premises located above built-in transformer substations 6(10)/0,4 kV power 100-400 kVA." Bulletin of NTU "KhPI". Series: Problems of Electrical Machines and Apparatus Perfection. The Theory and Practice, no. 2 (12) (December 26, 2024): 39–45. https://doi.org/10.20998/2079-3944.2024.2.08.

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The purpose of the work is to define methods and means of screening, sufficient to reduce to a safe level the low frequency magnetic field in residential premises of old buildings, located above built-in transformer substations 6(10)/0,4 kV power 100–400 kVA at short distances to the premises. To achieve this goal, a modified method for synthesizing active shielding systems of the magnetic field for transformer substations at short distances from the substation to the floor of the premises, and its experimental verification was carried out on a full-scale physical model of a transformer substa

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Albinali, Hussain F., and A. P. Sakis Meliopoulos. "Resilient Protection System Through Centralized Substation Protection." IEEE Transactions on Power Delivery 33, no. 3 (2018): 1418–27. http://dx.doi.org/10.1109/tpwrd.2017.2789318.

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Bedoui, S., and A. Bayadi. "Statistical approach for insulation coordination of high voltage substation exposed to lightning strikes." Electrical Engineering & Electromechanics, no. 4 (June 21, 2024): 55–60. http://dx.doi.org/10.20998/2074-272x.2024.4.07.

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Introduction. Insulation coordination requires accurate prediction of overvoltages at various points within a substation. Computer simulations of electromagnetic transients in real structures of substations become more precise due to the improvements of used models. Goal. This paper discusses in a first step the use of the modified ZnO arrester dynamic model alongside other substation equipment models, considering electrical phenomena like the corona model for reproducing the stresses that lightning can cause in an air-insulated substation and (method) then conducting a statistical approach ba

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Liwanen, Arvin D. "ESTABLISHING OPERATIONAL COMPETENCIES OF PCG SUBSTATION COMMANDERS: BASIS FOR CAPACITY DEVELOPMENT PROGRAMS." Ignatian International Journal for Multidisciplinary Research 3, no. 4 (2025): 317–80. https://doi.org/10.5281/zenodo.15173695.

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This study aimed to define the operational competencies required of Philippine Coast Guard (PCG) Substation Commanders, focusing on identifying their functional and operational roles within the organization. It also explored the specific competencies and levels of competence needed for Substation Commanders to effectively perform key duties related to maritime safety, search and rescue, security, law enforcement, and environmental protection. Additionally, the study examined essential operational competencies, such as human resource management, communication, logistics, and community engagemen

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Zhang, Zhe, Xiangping Kong, Xianggen Yin, Zengli Yang, and Lijun Wang. "A Novel Wide-Area Backup Protection Based on Fault Component Current Distribution and Improved Evidence Theory." Scientific World Journal 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/493739.

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In order to solve the problems of the existing wide-area backup protection (WABP) algorithms, the paper proposes a novel WABP algorithm based on the distribution characteristics of fault component current and improved Dempster/Shafer (D-S) evidence theory. When a fault occurs, slave substations transmit to master station the amplitudes of fault component currents of transmission lines which are the closest to fault element. Then master substation identifies suspicious faulty lines according to the distribution characteristics of fault component current. After that, the master substation will i

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Wang, Zhen Li, Shi You Mu, Jie Ren, Shou Yin Lu, and Jian Li. "Intelligent Control System of Water Washing Robot for Substation." Advanced Materials Research 1049-1050 (October 2014): 1122–26. http://dx.doi.org/10.4028/www.scientific.net/amr.1049-1050.1122.

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This paper provides an intelligent control system of water washing robot for Substations, which is based on the Internet of Things Technology and uses WIFI network as the link, effectively solves the problem that building control system of hydraulic manipulator under the environment of high voltage and strong magnetic in substation. This system uses Multi-Sensor Fusion Technology to construct a insulation protection control system of water washing robot, it can ensures the safe operation of the robot and the substation equipments. By utilizing this system to replace the operators, it can wash

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Thida, Win, Nandar Maung Hnin, and Min Hein Ye. "Differential Protection of Power Transformer in Substation." International Journal of Trend in Scientific Research and Development 3, no. 5 (2019): 2164–67. https://doi.org/10.5281/zenodo.3591175.

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Protection scheme required for the protection of power system components against abnormal conditions such as faults etc., and that essentially consists of protective relaying and circuit breaker. Protective relay senses the fault and determines the location of fault. Then, protective relay sends the tripping command to the circuit breaker. Therefore, proper care should be taken in designing and selecting an appropriate relay which is reliable, efficient and fast in operation. The voltage transformer and current transformer continuously measure the voltage and current of an electrical system an

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Li, Chunbo, Hong Yin, Linkang Zhang, Qing Ma, Zhimin Niu, and Shourui Liu. "Research on the construction method of virtual mapping digital twin system for substation." Journal of Physics: Conference Series 2788, no. 1 (2024): 012034. http://dx.doi.org/10.1088/1742-6596/2788/1/012034.

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Abstract At present, there are problems in the process of fault location and cause analysis in the actual work of substations, such as long time consumption, high investment in manpower and material resources, and low returns. A Digital Twin (DT) system construction method that can be used for virtual mapping in substations is proposed to address this problem. Firstly, the design principles and overall structure of the substation DT system were formulated by comprehensively considering the needs of transient modeling, debugging, and verification calculations in the substation. Then, the constr

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Ghurde, Chetan. "Substation Automation Operation and Protection." International Journal for Research in Applied Science and Engineering Technology 8, no. 5 (2020): 2979–84. http://dx.doi.org/10.22214/ijraset.2020.5499.

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Buryanina, N. S., Y. F. Korolyuk, M. L. Koryakina, E. V. Lesnykh, and K. V. Suslov. "Directional protection of substation equipment." IOP Conference Series: Materials Science and Engineering 663 (November 28, 2019): 012022. http://dx.doi.org/10.1088/1757-899x/663/1/012022.

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Feng, Xianjie, and Zejie Fei. "110 kV substation relay protection." Journal of Physics: Conference Series 1633 (September 2020): 012108. http://dx.doi.org/10.1088/1742-6596/1633/1/012108.

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