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Journal articles on the topic 'Relay protection and automatics'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Dmitrichenko, V. I., D. A. Ni, M. A. Dzhetpisov, and B. Baurzhan. "Combined ground-fault relay protection in 6–10 kV power grids." iPolytech Journal 26, no. 1 (2022): 53–69. http://dx.doi.org/10.21285/1814-3520-2022-1-53-69.

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In the present work, engineering decisions for combined ground-fault relay protection in 6–10 kV power grids are addressed. For objects in electrical grids having a voltage of 6–10 kV, simple relay protection was used: overcurrent protection and current cutoff. The most common algorithms for single phase-to-earth fault relay protection were analysed and compared. The modelling allowed a scheme for automatic transfer switch to be designed. Operation algorithms of relay protection and automatics were established, considering the properties of an electrical grids section and the characteristics o

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2

Khimich, S. A., Yu S. Kolesov, A. V. Gluhov, and T. R. Sharafeev. "Realization of the power-system protection functions for digital power stations and using of Elbrus computers." Radio industry 29, no. 1 (2019): 23–28. http://dx.doi.org/10.21778/2413-9599-2019-29-1-23-28.

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The relevance of this study is justified by the introduction of digital transformers to modern electrical substations and the need to create relevant digital systems for the automatics relay protection. The article discusses the basic principles of automatics relay protection of the digital electrical substations. The authors examine the problems of its implementation with the use of embedded systems based on domestic computing systems of the Elbrus family with the support of a protected mode of program execution. They suggest an architecture of the user program for managing the automatics rel

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3

Radimov, Sergiy M., and Valerii P. Plis. "Relay protection devices functionality comparative analysis." Herald of Advanced Information Technology 6, no. 3 (2023): 227–39. http://dx.doi.org/10.15276/hait.06.2023.15.

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With the development of technology, there has been an evolution in the electrical power industry, replacing conventional electromechanical relays with more advanced devices. Multifunctional microprocessor relay protection terminals becamesuch innovations.This transition marked a new era in the field of monitoring and control of electrical systems. One of the strategic tasks of the energy sector is the comprehensive technical re-equipment and reconstruction of relay protection and automation systems with a focus on maximum automation of dispatch control operations.Solving this problem is imposs

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4

Vinogradov, A. V., A. A. Lansberg, Yu D. Volchkov, and A. V. Vinogradova. "Determination of modern reliability indicators of relay protection and automation devices." Power engineering: research, equipment, technology 25, no. 2 (2023): 58–70. http://dx.doi.org/10.30724/1998-9903-2023-25-2-58-70.

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RELEVANCE. The reliability of power supply to consumers depends on the reliability of all elements of the power supply system, including relay protection and automation devices (RZiA). Knowing the current values of the reliability indicators of various devices makes it possible to take them into account when designing RPA, choosing more reliable devices, identifying shortcomings in RPA and performing work to eliminate them. THE PURPOSE. Due to the lack of open data on the current values of reliability indicators of relay protection and automation devices (RPA) of electric networks of 10-110 kV

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Dolgopolov, A. G. "Relay protection and automatics of a 500 kV linear controllable shunting reactor." Russian Electrical Engineering 79, no. 2 (2008): 71–76. http://dx.doi.org/10.3103/s1068371208020028.

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6

Romanov, Leonid, Svetlana Pogodina, and Oleg Kryukov. "FUNCTIONAL CAPABILITIES OF RELAY PROTECTION AND AUTOMATION SYSTEMS OF DIGITAL SUBSTATIONS." Energy Systems 8, no. 3 (2023): 51–56. http://dx.doi.org/10.34031/es.2023.3.006.

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A comprehensive analysis of the data on the technical accounting of the functioning of electrical relay protection complexes in the unified national electric power grid of Russia is presented, thanks to which the main types, causes and patterns of incorrect and emergency operation of the entire range of protections are established. An approach to the potential transition to servicing industrial electric power facilities based on the use of the entire set of relay protection functionality to solve the problems of automating maintenance procedures on a new hardware and methodological basis is pr

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7

Sharygin, Mikhail, Vladimir Vukolov, and Anton Petrov. "Adaptive multivariable relay protection of reconfigurable distribution networks." E3S Web of Conferences 139 (2019): 01048. http://dx.doi.org/10.1051/e3sconf/201913901048.

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Version of relay protection construction of relative selectivity is proposed, which allows increasing its technical perfection and reliability in microgrids with distributed generation sources. This is done by increasing the dimension of the measurement space along arbitrary axes, introducing new methods of recognizing emergency modes, as well as automating the selection of response parameters. Hardware implementation of protection is described. Recommendations for calculating the settings of multidimensional protection and an example of calculation are given. Protection coordination is carrie

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Laksono, Heru Dibyo, Mohamad Hanif Hakim, Rahman Ikhlas, and Ridza Azri Ramlee. "Design of Protection Relay Coordination Settings and Connecting to PLC Siemens S7-1500 For Load Shadding and HMI Display at PT. Semen Padang." Andalas Journal of Electrical and Electronic Engineering Technology 2, no. 2 (2022): 35–44. http://dx.doi.org/10.25077/ajeeet.v2i2.24.

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There are some vital loads and must not extinguished on the production activities of PT. Semen Padang cause the operational costs to rerun are very large. To solve this problem, it is necessary to evaluate the coordination settings of protection relays and automatic control systems to supporting the production process of PT. Semen Padang so production efficiency can be maintained. The relay settings to be evaluated are inverse time and instantaneous overcurrent relays by coordinating the main relay, backup relay 1 and backup relay 2 from downstream to upstream load feeder. The designed control

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9

Shilin, A. N., A. A. Shilin, P. V. Dikarev, and O. O. Ahmedova. "INTELLIGENT RELAY PROTECTION." Kontrol'. Diagnostika, no. 259 (2020): 30–37. http://dx.doi.org/10.14489/td.2020.01.pp.030-037.

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Currently, with the introduction of electrical smart grids, one of the main problems is increasing the authenticity of turning on the relay protection devices during emergency modes. This is due to the fact that the short circuit current, and therefore setpoint, is affected by large number of external factors, such as the humidity of the earth and the atmosphere, external environment temperature, soil state, terrain, etc. Therefore, the relay protection devices must to take account of the influence of these factors and to introduce automatic correction for the setpoint current, i.e. the device

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10

Lanchukov, Nikita, Oksana Blaschinskaya, and Aleksey Kolmogorov. "MICROPROCESSOR RELAY PROTECTION." Modern Technologies and Scientific and Technological Progress 2023, no. 1 (2023): 121–22. http://dx.doi.org/10.36629/2686-9896-2023-1-121-122.

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11

Dai, Yang, Dongmei Li, Yuxin Chen, and Mengqin Tang. "Automatic Relay Protection Calibration Device and System Design for New Intelligent Power Grid." Journal of Physics: Conference Series 2560, no. 1 (2023): 012031. http://dx.doi.org/10.1088/1742-6596/2560/1/012031.

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Abstract Maintaining the protection device and eliminating the abnormal and fault defects of the device are important tasks for the maintenance of the power system. In general, relay protection equipment managers need to regularly check the relay protection device. According to the usual practice, relay protection professionals use the relay protection tester to manually connect. The traditional relay protection verification method has complicated operation, high professional requirements for testers. In this paper, a set of intelligent relay protection verification device with high degree of

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12

Bannov, D. M., and V. I. Polishchuk. "ginal article Application of a microprocessor-based relay protection unit for identifying internal faults of electrical equipment of electrical installations." iPolytech Journal 28, no. 4 (2025): 521–33. https://doi.org/10.21285/1814-3520-2024-4-521-533.

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We aim to determine the applicability of standard microprocessor units of relay protection and automatics for obtaining a digital signal of currents for their subsequent mathematical processing with the purpose of identifying internal faults of electrical equipment. Mathematical processing of experimental data (time series) based on regression analysis approximation in orthogonal basis was carried out. To that end, the weight coefficients of basis functions obtained by the least squares method were compared in terms of multidimensional space vectors, corresponding to the coordinates of this sp

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13

Baran, Petro, Victor Kidyba, and Yaroslava Pryshliak. "Current protection check by using digital testing system." Computational Problems of Electrical Engineering 8, no. 1 (2018): 1–6. http://dx.doi.org/10.23939/jcpee2018.01.001.

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Existing domestic technical facilities for setting up and checking current protection are mainly based on analogue devices, which do not provide the required check accuracy but are time-consuming. With the appearance of digital testing systems, a protection check can be automated. An appropriate algorithm and its digital implementation have been developed for the automatic check of current protection characteristics using a digital testing system. This resulted in creating a digital system module intended for testing devices of relay protection and automation, capable of automatic checking the

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14

Azniza, Ahmad, Lufti Othman Mohammad, Khudsiya Bibi Zainab Kurreemun, Hizam Hashim, and Azis Norhafiz. "Adaptive ANN based differential protective relay for reliable power transformer protection operation during energisation." International Journal of Artificial Intelligence (IJ-AI) 8, no. 4 (2019): 307–16. https://doi.org/10.11591/ijai.v8.i4.pp307-316.

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file:///C:/Irvan/IJAI/2019/Desiminasi/v8i4%20Dec%202019/01%202Power transformer is the most expensive equipment in electrical power system that needs continuous monitoring and fast protection response. Differential relay is usually used in power transformer protection scheme. This protection compares the difference of currents between transformer primary and secondary sides, with which a tripping signal to the circuit breaker is asserted. However, when power transformers are energized, the magnetizing inrush current is present and due to its high magnitude, the relay mal-operates. To prevent m

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15

Suo, Na, and Lina Guo. "Research on thermal design control and optimization of relay protection and automation equipment." Thermal Science 24, no. 5 Part B (2020): 3119–28. http://dx.doi.org/10.2298/tsci191106086s.

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Relay protection devices and power automation systems are an important product in the power equipment manufacturing industry. They are customarily divided into secondary equipment for the transmission and distribution industry, and are responsible for protecting and controlling the primary equipment of the power grid and measuring the load of the power grid system. Thermal design is a major research topic for the reliability study of relay protection devices. The paper introduces the thermal design process of the relay protection device processing equipment, from the single-chip, module level,

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Rudevich, Nataliia, Dmytro Gapon, Mykola Lazariev, and Serhiy Shvets. "Learning method in the operation of microprocessor systems of relay protection and automation." Bulletin of the National Technical University "KhPI". Series: Energy: Reliability and Energy Efficiency, no. 1(10) (July 9, 2025): 112–20. https://doi.org/10.20998/eree.2025.1(10).322948.

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With the widespread introduction of digital technology in the power industry, the problem of training specialists for the operation of microprocessor relay protection and automation systems, which can have complex hierarchical structures, has become relevant. The types of operational work of relay protection and automation engineers have been analyzed. It has been found that the main type of work is checking the technical condition of the relay protection and automation system, which involves establishing cause-and-effect relationships between the purpose, construction, principle of operation

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17

Danylchenko, Dmytro, and Vladyslav Tsyupa. "Method of implementing digitisation of relay protection and automation for power distribution facilities with a voltage of 6-10 kV." Bulletin of the National Technical University "KhPI". Series: Energy: Reliability and Energy Efficiency, no. 1(10) (July 9, 2025): 40–46. https://doi.org/10.20998/eree.2025.1(10).334222.

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The paper presents a new concept for designing a centralized multi-channel control system for medium-voltage switchgear, the main innovation of which is the integration of primary and backup relay protection algorithms into the substation's computing infrastructure, namely, into a backup or redundant server unit known as the Front-End Controller. This architecture is aimed at improving the cost-effectiveness and practical operation of relay protection and automation solutions for energy companies and grid operators. The proposed approach is particularly applicable to the most common types of m

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18

Ahmad, Azniza, Mohammad Lufti Othman, Kurreemun Khudsiya Bibi Zainab, and Hashim Hizam. "Adaptive ANN based differential protective relay for reliable power transformer protection operation during energisation." IAES International Journal of Artificial Intelligence (IJ-AI) 8, no. 4 (2019): 307. http://dx.doi.org/10.11591/ijai.v8.i4.pp307-316.

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Power transformer is the most expensive equipment in electrical power system that needs continuous monitoring and fast protection response. Differential relay is usually used in power transformer protection scheme. This protection compares the difference of currents between transformer primary and secondary sides, with which a tripping signal to the circuit breaker is asserted. However, when power transformers are energized, the magnetizing inrush current is present and due to its high magnitude, the relay mal-operates. To prevent mal-operation, methods revolving around the fact that the relay

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19

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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20

Koniukhov, A. M., A. V. Khlebnov, and V. A. Timanov. "A method of testing relay protection and automation involving exposure to cascading effects for improved power supply reliability and electric power system stability." Dependability 21, no. 4 (2021): 47–52. http://dx.doi.org/10.21683/1729-2646-2021-21-4-47-52.

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The Aim of the paper is to show that improved power supply reliability and electric power system stability are achieved by applying new methods of testing relay protection and automation (RPaA). Major cascading failures in electric power systems are caused by cascading effects, i.e., effects involving several successive effects of various nature. Cascading effects allow extending the functionality while testing RP&A and taking into account the time factor in the context of effects of various nature. Method. A method is proposed for testing relay protection and automation taking into accoun

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21

Shilin, Alexei, Pavel Dikarev, and Serghei Dement’ev. "Intelligent System of Relay Protection of Electrical Network 6-10 kV with the Implementation of Automatic Correction of the Operation Set Point." Problems of the Regional Energetics, no. 3(59) (August 2023): 17–24. http://dx.doi.org/10.52254/1857-0070.2023.3-59.02.

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The purpose of the study is to develop the architecture and working algorithm of intelligent relay protection of an electrical network with an isolated neutral. “Intellectualization” of relay protection is necessary to increase its sensitivity and reliability. This problem is relevant due to the accident rate of overhead power lines and incorrect operation of traditional relays. This is due to the fact that the set point is not adjusted according to the deviation of the line parameters with changing environmental and load conditions. The purpose of the study is achieved by solving the followin

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22

M.A., Abdullaeva. "IMPROVEMENT OF TRAINING OF SEMICONDUCTOR RELAY PROTECTION DEVICES BY NEW INTERACTIVE METHODS." CURRENT RESEARCH JOURNAL OF PEDAGOGICS 03, no. 10 (2022): 28–33. http://dx.doi.org/10.37547/pedagogics-crjp-03-10-05.

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This article states that technological developments are inextricably linked with energy, it is necessary to provide consumers with high-quality and uninterrupted sources of electricity, in this regard, students must be fully qualified in their areas of specialization. In particular, the problems of the competent use of existing pedagogical technologies for teaching subjects were highlighted, and a new interactive method of teaching with semiconductor relays in the subject "Relay Protection and Automation" was proposed.

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Liu, Yong, and Zhengbiao Jing. "Power System Relay Protection Based on Faster R-CNN Algorithm." International Journal of Information Technology and Web Engineering 18, no. 1 (2023): 1–15. http://dx.doi.org/10.4018/ijitwe.333475.

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The technology of relay protection in China's power system has gradually changed from the traditional operation mode to the development direction of informatization, intelligence, and automation. As a result, the role of relay protection in the power system has become more and more important. It brings higher requirements to the reliability of relay protection; effective reliability assessment of the relay protection system and the corresponding condition operation, minimize or avoid accidents, and ensure the safety of power grids. Starting from the operating characteristics of relay protectio

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REVELO SARANGO, ROSALIA BELEN, and ALEX VALENZUELA. "ADAPTIVE COORDINATION OF DISTANCE PROTECTION ON SUBTRANSMISSION LINES CONSIDERING THE INFEED EFFECT." DYNA ENERGIA Y SOSTENIBILIDAD 11, no. 1 (2022): [12 p.]. http://dx.doi.org/10.6036/es10264.

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ABSTRACT: This article describes an algorithm for an adaptive distance protection in a sub-transmission system considering operating conditions with changes in the topology due to an abnormal condition, electrical failure or a natural disaster, includes the effect of adjacent generation in the distance relay protection zones, with the incorporation of renewable energies in mixed participation. Two scenarios are proposed, in the first case occurred a contingency, and the transmission systems changes the initial topology. Protections are automatically reparametrized. The second case includes the

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Kubkina, O. V., and V. G. Lysenko. "Automation of ac electric-traction NetWare digital protective relay operational control." Journal of Physics: Conference Series 2131, no. 4 (2021): 042066. http://dx.doi.org/10.1088/1742-6596/2131/4/042066.

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Abstract The widespread use of microprocessor-based digital protective relay from various manufacturers, the expansion of the programmable protective relay terminals’ functional composition, the lack of hardware, software and algorithmic support unification, problems of electromagnetic protection necessitate consideration of the issues of digital protective relay operational control automation [1-3]. The authors believe that the attention paid by operating services to the means and methods of the AC electric-traction netware protective relay Functional check is insufficient. Monitoring the cor

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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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Yang, Yuyan. "Automatic Calculation and Simulation of Time-Varying Failure Rate of Digital Relay Protection Device." Mathematical Problems in Engineering 2022 (July 7, 2022): 1–9. http://dx.doi.org/10.1155/2022/8221281.

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Efficiency is an important indicator of risk assessment, but the failure rate changes with time, which makes risk assessment very difficult. Traditional methods often only measure the steady-state and static indicators of relay protection. The traditional method often only measures the steady-state and static indicators of the relay protection, or directly uses the RiskWeibull analysis system to perform reliability analysis on the relevant data. However, this method can only perform quantitative static analysis on the data. Once the system is disturbed, its reliability will be affected. Analys

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Shumikhin, Andrey Yu, Roman V. Kirillov, and Regina T. Khazieva. "COMPUTER SIMULATION OF OPERATION OF SUBSTATION RELAY PROTECTION IN MATLAB SIMULINK PACKAGE." Electrical and data processing facilities and systems 20, no. 3 (2024): 67–79. http://dx.doi.org/10.17122/1999-5458-2024-20-3-67-79.

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Relevance Modern electric power systems require reliable and high-speed relay protection, which is necessary to prevent accidents and ensure stable operation of the power system. With the development of computer technology, it becomes possible to use modern software tools for modeling and analyzing the operation of relay protection. Matlab Simulink provides the necessary toolset that allows you to accurately simulate various types of relay protection and their interaction with other network components. Aim of research This article simulates the relay protection of a substation in order to furt

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Rudevich, Nataliia, Dmitriy Gapon, and Mykola Lazariev. "Teaching content model for designing digital systems of power grid relay protection and automation." Bulletin of the National Technical University "KhPI". Series: Energy: Reliability and Energy Efficiency, no. 1 (8) (July 5, 2024): 100–104. http://dx.doi.org/10.20998/2224-0349.2024.01.02.

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It was found that the effective formation of conceptual-analytical and productive-synthetic levels of formation of professional knowledge and skills regarding the design of digital systems of power grid relay protection and automation is possible with the systematic development and use of a generalized model of the teaching content. Based on the study of information models of technical systems, a feature model was adopted as a basic invariant, which includes a set of features of the purpose, construction, principle of operation and parameters of the technical system. It was found that the desi

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Kytin, V., M. Kytina, and A. Kovalov. "THE METHOD OF COMBINED CURRENT AND VOLTAGE CUT-OFF." POLISH JOURNAL OF SCIENCE, no. 67 (October 17, 2023): 47–49. https://doi.org/10.5281/zenodo.10012740.

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Distribution electric networks are an important link in the system of production and consumption of electric energy. Correctly configured relay protection and anti-emergency automation, including the selection of the operating parameters of the relay equipment, play an important role in ensuring the reliable operation of electrical networks. Meanwhile, every year about 20% of all incorrect actions of relay protection caused by accidents are due to incorrect selection of settings, while most of the cases fall on the maximum current protection of lines and transformers of distribution networks.

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Doletskaya, Larisa I., Vladislav I. Ziryukin, and Roman V. Solopov. "An electric power system object model creating experience for researching the operation of digital means of relay protection and automation." Journal Of Applied Informatics 16, no. 4 (2021): 83–95. http://dx.doi.org/10.37791/2687-0649-2021-16-4-83-95.

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The article is devoted to the operation logic modeling of relay protection and automation terminals in order to their verification, adjustment and further exploitation. The problem of adjusting protection terminals mutual interaction is unlikely to appear in real conditions due to wide variety of them. The authors propose a solution to this problem by creating a verified model based on a digital twin of an electric power network section created in the MatLab software package. This model helps to study the functioning of the researched protection settings in nominal, repair, emergency and post-

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Yeshmuratov, Naurizbek, and Miyrbek Ktaybekov. "RELAY PROTECTION AND AUTOMATION OF COMPENSATION DEVICES." Educational Research in Universal Sciences 3, no. 4 (2024): 109–12. https://doi.org/10.5281/zenodo.10651626.

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<em>In this article, you will learn about the reactive power balance, which is one of the pressing problems in the electrical power system today, and the devices that ensure this reactive power balance, that is, reactive power compensation devices, study their operating modes and protect them. devices from abnormal operating modes. You will become familiar with the methods.</em>

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Ashshiddiq, Hasbi Nur, Dista Yoel Tadeus, and Fakhruddin Mangkusasmito. "Simulator Otomasi Sistem Proteksi pada Penyulang 20 kV." RESISTOR (Elektronika Kendali Telekomunikasi Tenaga Listrik Komputer) 4, no. 2 (2021): 103. http://dx.doi.org/10.24853/resistor.4.2.103-110.

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Kebutuhan energi, terutama listrik di Indonesia, merupakan bagian yang tidak terpisahkan dari kehidupan sehari-hari masyarakat, sehingga listrik sangat dibutuhkan baik dari segi kualitas (kualitas dan keandalan) maupun kuantitas (kontinuitas distribusi). Diperlukan sistem proteksi untuk mempertahankan distribusi energi listrik sebanyak mungkin. Selain sistem proteksi, pengurangan area pemadaman karena gangguan dan pemeliharaan pada jaringan atau pada outgoing cubicle dapat dilakukan dengan manuver jaringan. Melakukan manuver jaringan dapat mengubah konfigurasi pada jaringan itu sendiri. Ini me

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Nagare, Prachi. "Distribution Transformer Protection and Automatic System Using PLC." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem30712.

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Protection of transformers is a very challenging problem in power system relaying. Since it is very important to minimize the overcurrent and duration of unwanted outages, this is a high demand imposed on power transformer protective relays. Various relaying principles have been proposed and used to protect transformers against different types of faults. Relays that use over current, over flux and overheating principles protect the transformers against overloads and externally applied conditions. Differential relays protect the transformers against internal fault. In this research, software an

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A.V. Neftisov, A.Zh Sarinova, O.M Talipov, L. N Kirichenko, and I. M. Kazambaev. "POSSIBILITY OF BUILDING MICROPROCESSOR RELAY PROTECTION DEVICES ON OPEN ARCHITECTURE." Bulletin of Toraighyrov University. Energetics series, no. 3.2022 (September 30, 2022): 277–92. http://dx.doi.org/10.48081/iklz1109.

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"The article analyzes the structure of relay protection devices of various designs. Based on the Unified Electric Power System of the Republic of Kazakhstan prediction on the electric energy balance the plan to increase the generation of electricity due to the commissioning of new capacities was revealed In addition, the international market of the energy sector and a preliminary forecast for the total demand for energy separeted into the declared scenarios and the scenario of sustainable development of electricity generation, cumulative average annual growth rate, electric capacity by countri

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Chen, Xing. "Research of Building Safety Management System of Reply Protection in Power Company Based on Workflow." Advanced Materials Research 805-806 (September 2013): 1190–93. http://dx.doi.org/10.4028/www.scientific.net/amr.805-806.1190.

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With sustained economic development in China and the acceleration of grid construction, the number of new or expanding substations construction has increased dramatically. As a major line of defense to achieve the production of Power Company, security management of relay protection and security automatic devices has a direct impact to the safety production. proposes to build relay protection safety management system based on workflow to deal with the security management requirements of power supply enterprise by analyzing implementation processing of the operation management system and inspect

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Bunko, V. Ya, and P. M. Darmoris. "ANALYSIS AND IMPLEMENTATION OF THE CONSTRUCTION OF OSCILLOGRAMS OF THE MICROPROCESSOR TERMINAL OF RELAY PROTECTION, AUTOMATICS AND DISPATCHING." Scientific notes of Taurida National V.I. Vernadsky University. Series: Technical Sciences 2, no. 1 (2024): 16–20. http://dx.doi.org/10.32782/2663-5941/2024.1.2/03.

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Konovalov, Yuriy, Alena Goncharenko, Roman Goncharenko, Maxim Shaura, and Ivan Ivanov. "MODERN TRENDS IN DEVELOPMENT OF RELAY PROTECTION AND AUTOMATION IN ELECTRIC POWER INDUSTRY." Bulletin of the Angarsk State Technical University 1, no. 18 (2024): 36–40. https://doi.org/10.36629/2686-777x-2024-1-18-36-40.

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A comprehensive analysis of the prospects for the development of relay protection and automa-tion in the electric power industry is presented, current directions for the use of the latest IT technologies are formulated, allowing the integration of control functions for equipment of electric power facilities, relay protection, emergency and mode automation into the digital environment

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Kulikov, Aleksandr, Pavel Ilyushin, and Anton Loskutov. "Enhanced Readability of Electrical Network Complex Emergency Modes Provided by Data Compression Methods." Information 14, no. 4 (2023): 230. http://dx.doi.org/10.3390/info14040230.

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Current microprocessor-based relay protection and automation (RPA) devices supported by IEC 61850 provide access to a large amount of information on the protected or controlled electric power facility in real time. The issue of using such information (Big Data) in order to improve the parameters of technical modification of intelligent electronic devices at digital substations remains unaddressed. Prerequisites arise for designing modern power systems with relay protection devices of a new generation based on new information algorithms. In particular, it is expedient to develop multi-parameter

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Huang, Geyu. "Investigating safety precautions for linking photovoltaic and wind power generation to the grid." Applied and Computational Engineering 62, no. 1 (2024): 263–70. http://dx.doi.org/10.54254/2755-2721/62/20240442.

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The grid integration of renewable energy sources such as solar and wind power has received significant research attention, however, there remains a vast scope for exploration and improvement. Specifically, the discourse around relay protection and safety automatic devices in these power generation methods has been somewhat limited during the grid connection process. This article endeavors to investigate the technical obstacles encountered by photovoltaic and wind power grid protection mechanisms and crucial equipment, amidst the steady growth of renewable energys share in the power grid. This

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Zhang, Jing Jing. "Research and Summary on Reliability of Relay Protection System." Advanced Materials Research 433-440 (January 2012): 6755–59. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.6755.

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In electric power system, relay protection system can powerfully safeguard secure and stable operation of the first circuit equipment; it’s an important task to ensure reliable operation of protection system. Research on reliability of it now arises much attention at home and abroad. The paper carries out detailed research survey on reliability of relay protection system, which contains AC input circuit, digital relay protection equipment and operation output circuit. In general it also contains automatic equipment and telecommunication network etc. It belongs to repairable system; state-space

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42

El-Sayed, Salah K., and Hassan S. Mohamed. "Enhancing the performance of distance protection relays using interactive control system." Indonesian Journal of Electrical Engineering and Computer Science 13, no. 1 (2019): 411–19. https://doi.org/10.11591/ijeecs.v13.i1.pp411-419.

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Improvement of automation systems for electrical power system network became essential for increasing the realiability of power transmission during any disturbance. In most substations the settings of Distance Relays (DRs) are set manually which depends on human experience this may be led to undesirable operations. Any power transmission system may subjected to shortens and loss of adjusting its protection setting, DRs in protection systems are responsible for protecting High voltage transmission lines from short circuit, power swing, and load encroachment, A proposes automation system archite

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Shilin, A. N., P. V. Dikarev, and V. M. Vlasov. "ADAPTIVE FREQUENCY CONVERTER FOR POWER SUPPLY SYSTEM RELAY PROTECTION." Kontrol'. Diagnostika, no. 324 (June 2025): 26–30. https://doi.org/10.14489/td.2025.06.pp.026-030.

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The article presents a metrological analysis of a relay protection device whose operating principle is based on resonance in electrical circuits. The parameters of this circuit are adjusted to a resonant frequency of 50 Hz. This method of frequency deviation measuring is indirect, namely, the frequency deviation is determined by the phase angle between current and voltage. In this device, many different factors have a negative effect on the accuracy of frequency determination, and especially the inconstancy of the frequency voltage amplitude due to the features of the frequency response of the

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Ivanov, I. Yu, V. V. Novokreshchenov, and V. R. Ivanova. "Current state of the problems of functioning of relay protection and automation complexes used in an active adaptive network." Power engineering: research, equipment, technology 24, no. 6 (2023): 102–23. http://dx.doi.org/10.30724/1998-9903-2022-24-6-102-123.

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THE PURPOSE. To analyze the influence of series compensation devices on the operating modes of power transmission lines. To identify problems of functioning of relay protection and automation complexes when they are used on power transmission lines with a series compensation device.METHODS. The analysis of literature data and data of international information exchange is carried out.RESULTS. The study describes the relevance of the topic, considers the main elements of an electric power system with an active adaptive network; reveals the current state of affairs on the use of elements of an ac

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Krynova, Ekaterina, and Kamil Valiullin. "Assessment of the influence of power plants with renewable energy to work relay protection and automation in power system." Energy Systems 7, no. 4 (2022): 38–45. http://dx.doi.org/10.34031/es.2022.4.004.

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The article deals with the issue of the influence of solar power plants on the operation of relay protection and automation devices. The development of simulation models of electric power systems in the Simulink MATLAB environment has been carried out for three cases: power is supplied entirely from a solar power plant; power is supplied from the traditional source of the electric power system; the power is supplied partly from the solar power plant, partly from the traditional source of the electric power system. The description of the main parameters of the blocks of the simulation model is

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Ansabekova, Gulbakyt, Yermek Sarsikeyev, Zhubanyshbai Abdimuratov, et al. "Development of intelligent protection and automation control systems using fuzzy logic elements." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 1 (2024): 556. http://dx.doi.org/10.11591/ijece.v14i1.pp556-565.

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In this article, the causes of technological disturbances in electrical systems are considered, and several characteristic disadvantages of the protection and automation of elements of electrical systems are highlighted. The tendency to decrease the reliability of relay protection associated with the transition from analog to digital types of protection is substantiated. Based on the studied examples, the use of fuzzy logic in protections, the expediency of using fuzzy logic elements in protection devices, and the automation of electrical systems to identify types of short circuits are justifi

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Ansabekova, Gulbakyt, Yermek Sarsikeyev, Zhubanyshbai Abdimuratov, et al. "Development of intelligent protection and automation control systems using fuzzy logic elements." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 1 (2024): 556–65. https://doi.org/10.11591/ijece.v14i1.pp556-565.

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In this article, the causes of technological disturbances in electrical systems are considered, and several characteristic disadvantages of the protection and automation of elements of electrical systems are highlighted. The tendency to decrease the reliability of relay protection associated with the transition from analog to digital types of protection is substantiated. Based on the studied examples, the use of fuzzy logic in protections, the expediency of using fuzzy logic elements in protection devices, and the automation of electrical systems to identify types of short circuits are justifi

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Novash, I. V. "MODELING OF POWER SYSTEMS AND TESTING OF RELAY PROTECTION DEVICES IN REAL AND MODEL TIME." ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations 60, no. 3 (2017): 198–210. http://dx.doi.org/10.21122/1029-7448-2017-60-3-198-210.

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The methods of modelling of power system modes and of testing of relay protection devices with the aid the simulation complexes in real time and with the help of computer software systems that enables the simulation of virtual time scale are considered. Information input protection signals in the simulation of the virtual model time are being obtained in the computational experiment, whereas the tests of protective devices are carried out with the help of hardware and software test systems with the use of estimated input signals. Study of power system stability when modes of generating and con

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Hong, Yuan, You Yu, Jingfu Tian, Han Ye, Bin Wang, and Wenxiang Yu. "Relay Protection Setting Calculation System for Nuclear Power Plant Based on B/S Architecture and Cloud Computing." Energies 15, no. 24 (2022): 9648. http://dx.doi.org/10.3390/en15249648.

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Nuclear power plants have a complex structure and changeable operation mode, which induces low setting calculation efficiency. After analyzing the technology, architecture, and functional logic of a variety of relay protection setting calculation systems and combining the characteristics of the setting calculation of nuclear power plants, the relay protection setting calculation system in nuclear power plants based on B/S architecture and cloud computing is studied in this paper. The system adopts three-tier B/S architecture, applies two key technologies, the cloud computing task distribution

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Aluynov, A., O. Vyatkina, E. Gracheva, and A. Nemirovskiy. "Modeling of operating modes of relay protection in electrical networks with insulated neutral." E3S Web of Conferences 288 (2021): 01100. http://dx.doi.org/10.1051/e3sconf/202128801100.

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This work aims to study relay protection and automation in insulated neutral networks to identify additional criteria for choosing the type of earthing. To calculate the single-phase earth fault currents as a function of the operating modes of the electrical substation, the 10 kV network of the electrical substation was simulated in the software package. The advantages and disadvantages of centralized and non-centralized protections are shown. The paper presents the sequence of actions necessary for the correct operation of directional zero sequence protection.

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