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Relevant bibliographies by topics / Overcurrent protection relay

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Academic literature on the topic 'Overcurrent protection relay'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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Journal articles on the topic "Overcurrent protection relay"

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Chang, Choong-Koo, and Ahmed Mohamed Elmashtoly. "Protection Coordination Index Assessment Using Fuzzy Logic Controller." Energies 15, no. 4 (2022): 1377. http://dx.doi.org/10.3390/en15041377.

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This paper proposes the assessment method of the protection coordination index (PCI) for overcurrent protection relay and upstream relay. The protection coordination index is an indicator of how properly the equipment is protected by protective relay. The PCI is used to check the appropriateness of the protection coordination for both the component-wise and pair-wise. The protection index of each protection component of the integrated digital relay is assessed by a fuzzy logic controller. Then the device-level protection index and the composite protection coordination index between up and down

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Shankar Tiwari, Ravi, Jai Prakash Sharma, and Kumaraswamy A. "Design and Analysis of an Over Current Relay Based on MATLAB/Simulink Environment." E3S Web of Conferences 591 (2024): 01011. http://dx.doi.org/10.1051/e3sconf/202459101011.

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The work aims to develop and comprehensively analyze an advanced overcurrent relay system for protecting power transmission networks. Overcurrent relays are critical components used either as main protection relays or as backup protection relays in the power transmission protection system. The primary function of these relays is to trip and disconnect the faulty circuit whenever the current exceeds a pre-defined threshold limit or pre-set current value. Ensuring the safety and reliability of electrical power systems heavily relies on the accuracy and performance evaluation of overcurrent relay

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Suheta, Titik, Andy Suryowinoto, and Wahyu Setyo Pambudi. "Sistem Koordinasi Rele Jarak Untuk Pengaman Utama Dengan Rele Arus Lebih Pada Saluran Udara Tegangan Tinggi Di Wilayah Buduran." BEES: Bulletin of Electrical and Electronics Engineering 4, no. 1 (2023): 8–13. http://dx.doi.org/10.47065/bees.v4i1.4280.

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The transmission system plays an important role in maintaining the continuity of the distribution of electrical energy from one region to another. Disturbances in transmission lines are caused by short circuits, overloads, lightning surges, natural disturbances and others. For this reason, a protection system is needed that is reliable and can identify disturbances quickly while protecting the disturbed part of the system from other parts that can still operate normally. However, the protection system can experience operational failure due to various factors, therefore, apart from the main pro

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Zulkarnaini, Zulkarnaini, and Muhammad Rizki. "Study of Coordination on Protection Relay in High Voltage Transmission 150 kV (Payakumbuh – Koto Padang, West Sumatra)." MATEC Web of Conferences 215 (2018): 01021. http://dx.doi.org/10.1051/matecconf/201821501021.

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The disturbance of the high voltage transmission can be caused by a short circuit, overload, lightning surge, and other natural disturbances. That disturbance can lead to disruption of the distribution of electricity and damage to the electric power system installation equipment. A reliable protection system that can identify the disturbance quickly and also can securing affected parts of the system from other parts that can still operate normally are needed. Protection system operation may fail due to various factors; therefore, in addition to primary protection required backup protection tha

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Nguyen, Thai-Thanh, Woon-Gyu Lee, Hak-Man Kim, and Hyung Yang. "Fault Analysis and Design of a Protection System for a Mesh Power System with a Co-Axial HTS Power Cable." Energies 13, no. 1 (2020): 220. http://dx.doi.org/10.3390/en13010220.

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The uses of high-temperature superconducting (HTS) cables pose a challenge of power system protection since the impedance of the HTS cable is varied during fault conditions. The protection systems should be designed properly to ensure the reliability and stability of the whole system. This paper presents a fault analysis of the co-axial HTS cable in the mesh system and proposes a coordinated protection system. In the proposed protection system, the main protection is the differential current relay whereas the backup protections are the overcurrent and directional overcurrent relays. The normal

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Yusifov Samad İmamali, Cafarzadeh Turana Akbar, Yusifov Samad İmamali, Cafarzadeh Turana Akbar. "DEVELOPMENT OF MICROCONTROLLER PROTECTION SYSTEM OF POWER TRANSFORMERS." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 52, no. 04-02 (2025): 22–28. https://doi.org/10.36962/pahtei5204-022025-22.

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The protection of power transformers is a highly intricate issue in the transmission network of the power system. As minimizing the frequency and duration of unwanted interruptions is crucial, there is a significant demand on the protective relays of power transformers. Different protection principles have been suggested and implemented to safeguard transformers from various fault types. Relays that operate based on overcurrent, overcurrent, and overheat principles protect transformers from overloads and external conditions. Differential relays provide protection against internal transformer f

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Karupiah, S., M. H. Hussain, I. Musirin, and S. R. A. Rahim. "Prediction of overcurrent rRelay miscoordination time using artificial neural network." Indonesian Journal of Electrical Engineering and Computer Science 14, no. 1 (2019): 319. http://dx.doi.org/10.11591/ijeecs.v14.i1.pp319-326.

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Overcurrent relay plays an important role in the protection of power system. For protection, proper coordination of relays with an appropriate relay settings need to be done. Coordination can be done by selecting an optimal Time Multiplier Setting (TMS) and Plug Setting (PS) considering the fault current at the relay location. Continuous Time Intervals (CTI) must be maintained between primary relay and secondary relay to ensure correct sequential operation of the relays. However, miscoordination can occurs due to secondary relay trips faster than primary relay. This paper presents an approach

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Ngo, Minh Khoa, Van Trong Huynh, Hoang Long Vo, and Thi Nha Han Pham. "Optimal Coordination of Directional Overcurrent Protection Relays Using Genetic Algorithm." Journal of Technical Education Science 19, no. 06 (2024): 75–83. https://doi.org/10.54644/jte.2024.1706.

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This paper studies on establishing the mathematical optimization formulation to coordinate the operating times of directional overcurrent relays in transmission networks. The objective function of this optimization formulation is to minimize the total operation time of all directional overcurrent relays, and it must satisfy the highly nonlinear constraints such as the time multiplier setting range, the plug setting range, and the coordination time interval between the primary and backup relay pair. The optimal variables consist of the time multiplier setting and the plug setting which are dete

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Onah, Aniagboso John. "Investigating Phase Over-Current (OC) Protection in Medium-Voltage networks." European Journal of Engineering Research and Science 4, no. 6 (2019): 41–49. http://dx.doi.org/10.24018/ejers.2019.4.6.1307.

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Overcurrent protection is protection against excessive currents or current beyond the acceptable current rating of equipment. It generally operates instantly. Short circuit is a type of overcurrent. Magnetic circuit breakers, fuses and overcurrent relays are commonly used to provide overcurrent protection. There is always a need to protect expensive power equipment. Protective relaying is a very important part of any electric power system that comes into play during trouble, fault or abnormal condition. The purpose is to isolate unhealthy part of electrical power system while the rest continue

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Onah, Aniagboso John. "Investigating Phase Over-Current (OC) Protection in Medium-Voltage networks." European Journal of Engineering and Technology Research 4, no. 6 (2019): 41–49. http://dx.doi.org/10.24018/ejeng.2019.4.6.1307.

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Overcurrent protection is protection against excessive currents or current beyond the acceptable current rating of equipment. It generally operates instantly. Short circuit is a type of overcurrent. Magnetic circuit breakers, fuses and overcurrent relays are commonly used to provide overcurrent protection. There is always a need to protect expensive power equipment. Protective relaying is a very important part of any electric power system that comes into play during trouble, fault or abnormal condition. The purpose is to isolate unhealthy part of electrical power system while the rest continue

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Dissertations / Theses on the topic "Overcurrent protection relay"

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Abyaneh, Hossein Askarian. "Assessment of IDMT and distance relay settings." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332331.

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Piesciorovsky, Emilio C. "Relay in the loop test procedures for adaptive overcurrent protection." Diss., Kansas State University, 2015. http://hdl.handle.net/2097/20537.

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Doctor of Philosophy<br>Electrical and Computer Engineering<br>Anil Pahwa<br>Noel N. Schulz<br>Microgrids with distributed generators have changed how protection and control systems are designed. Protection systems in conventional U.S. distribution systems are radial with the assumption that current flows always from the utility source to the end user. However, in a microgrid with distributed generators, currents along power lines do not always flow in one direction. Therefore, protection systems must be adapted to different circuit paths depending on distributed generator sites in the microgr

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Bajánek, Tomáš. "Systém chránění s využitím výstupu z elektronického senzorického systému měření proudu a napětí." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-363725.

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At present, there is a widespread use of alternative measurement technologies in electrical networks that include current and voltage sensors. Their use is closely related to the use of IEC 61850-9-2 for data transfer of measured values within the substation for the purpose of protection and measurement. The use of sensors and communication standard IEC 61850 together with high-speed Ethernet will simplify the concept of the arrangement of protection terminals in substations and enable the development of a new protection system based on central protection. The dissertation is focused on protec

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Assumpção, Felipe Framil. "Validation of Results of Smart Grid Protection through Self-Healing." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7468.

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This is a verification of the results of “Smart Grid Protection through Self-Healing” from the publication of Chathurika Chandraratne, et al., that proposes a protection solution for the smart grid. The paper used as reference has as the main focus on three different protections; directional overcurrent protection, overcurrent protection, and transformer protection, which are validated through ETAP software simulation of IEEE- 9 bus and 14 bus electrical power systems, the same used by the author. It was validated after repeated simulation, that just as intended, self-healing increases system

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Strapko, Miroslav. "Návrh systému chránění s použitím elektronických přístrojových transformátorů (senzorů) v rozvodně vysokého napětí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219395.

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Master's thesis deals with use of electronic instrument transformers (sensors) in the protection system in medium-voltage substation. Substation consists of 2 incoming feeders, 2 outgoing feeders for motors, 2 outgoing feeders for power transformers, measuring, bus coupler and bus riser feeder. Incoming feeders are connected to distribution system E.ON by cable lines which were proposed. Protected machines (power transformers and motors with rated power) are connected to switchgear panels of UniGear ZS1 type by cable lines too. Proposed protection system is based on the short-circuit condition

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Bulgarelli, Roberval. "Proteção térmica de motores de indução trifásicos industriais." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-01122006-134918/.

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Em função das limitações apresentadas pelos relés eletromecânicos, a proteção térmica de motores foi historicamente tratada como um problema de coordenação de sobrecorrente, sem levar em consideração a dinâmica e o histórico térmico envolvido na operação contínua do motor. Os atuais relés microprocessados para proteção de motores implementam equações diferenciais de primeira ordem, cujos algoritmos, processados em tempo real, possibilitam uma nova abordagem para uma adequada proteção térmica, utilizando modelos matemáticos. Especialmente para os motores industriais de grande porte e de maior i

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Negrão, Danilo Luiz Alves. "Metodologia para a coordenação e seletividade da proteção direcional de sobrecorrente em sistemas de transmissão de energia elétrica." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/18/18154/tde-05082015-105138/.

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Este trabalho propõe uma nova metodologia para a solução do problema de coordenação de relés direcionais de sobrecorrente em sistemas de transmissão em malha. São utilizadas informações sobre a atuação do relé como dispositivo de proteção principal (ou retaguarda local no caso de se considerar o relé de distância) e também de sua atuação como proteção de retaguarda remota, fornecendo uma base mais sólida para definição dos ajustes. A partir de uma série de critérios determinados de acordo com a instalação, define-se uma área de ajuste do relé, diretamente sobre sua curva de atuação. Sobre esta

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Santos, Fábio Marcelino de Paula. "Algoritmo enxame de partículas evolutivo para o problema de coordenação de relés de sobrecorrente direcionais em sistemas elétricos de potência." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/18/18154/tde-26082013-103833/.

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Um sistema elétrico de potência agrega toda a estrutura pela qual a energia elétrica percorre, desde a sua geração até o seu consumo final. Nas últimas décadas observou-se um significativo aumento da demanda e, consequentemente, um aumento das interligações entre sistemas, tornando assim a operação e o controle destes extremamente complexos. Com o fim de obter a desejada operação destes sistemas, inúmeros estudos na área de Proteção de Sistemas Elétricos são realizados, pois é sabido que a interrupção desses serviços causam transtornos que podem assumir proporções desastrosas. Em sistemas elét

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NASCIMENTO, Jamile Pinheiro. "Um algoritmo de proteção adaptativa para sistemas de distribuição com inserção de geração distribuída." Universidade Federal de Campina Grande, 2014. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/444.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-04-20T22:58:46Z No. of bitstreams: 1 JAMILE PINHEIRO NASCIMENTO - DISSERTAÇÃO PPGEE 2014..pdf: 2146495 bytes, checksum: e397e112357d55c0badad1a62f5324cf (MD5)<br>Made available in DSpace on 2018-04-20T22:58:46Z (GMT). No. of bitstreams: 1 JAMILE PINHEIRO NASCIMENTO - DISSERTAÇÃO PPGEE 2014..pdf: 2146495 bytes, checksum: e397e112357d55c0badad1a62f5324cf (MD5) Previous issue date: 2014-08<br>Um algoritmo de proteção adaptativa para solucionar o problema da proteção de sistemas com geração distribuída é proposto. O algoritmo mo

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Corrêa, Rafael. "Otimizacão da coordenação de relés de sobrecorrente direcionais em sistemas elétricos de potência utilizando a programação inteira binária." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/8505.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This work aims to optimize the coordination of microprocessor-based directional overcurrent relays in power systems using Binary Integer Programming (BIP). Two new mathematical models of BIP are presented. The first determines only the Time Multiplier of each relay, while the second determines simultaneously the Time Multiplier and Current Multiplier of each relay. These models have a great advantage over the Linear Programming (LP) and Nonlinear Programming (NLP) models to determine the relay settings directly within the range pro

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Books on the topic "Overcurrent protection relay"

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Archbell, Lashaunda. Overcurrent Protection Circuit : Fuses, Breakers, and Others Limit the Current: Very Inverse Time Overcurrent Relay Formula. Independently Published, 2021.

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Book chapters on the topic "Overcurrent protection relay"

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Abood, Samir I., and John Fuller. "Overcurrent Relay." In Power System Protection and Relaying. CRC Press, 2023. http://dx.doi.org/10.1201/9781003394389-6.

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Minh, Tran Hoang Quang. "Technical Efficiency and Recommendations for Overcurrent Relay Protection Setting." In AETA 2015: Recent Advances in Electrical Engineering and Related Sciences. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27247-4_16.

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Korashy, Ahmed, Salah Kamel, Loai, and Francisco Jurado. "Optimal Overcurrent Relay Coordination Considering Standard and Non-Standard Characteristics." In Artificial Intelligence Applications in Electrical Transmission and Distribution Systems Protection. CRC Press, 2021. http://dx.doi.org/10.1201/9780367552374-13.

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Santafé, Juan David Hernández, Felipe Antonio Gómez Olaya, and Paulo Manuel De Oliveira De Jesús. "Directional Overcurrent Relay Protection System Implementation on 8-bus System Using Typhoon HIL." In Transactions on Computer Systems and Networks. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-0224-8_12.

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Pham, Le Nam Hai, Raju Wagle, Francisco Gonzalez-Longatt, and Martha Nohemi Acosta Montalvo. "Non-directional Overcurrent Protection Relay Testing Using Virtual Hardware-in-the-Loop Device." In Transactions on Computer Systems and Networks. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-0224-8_11.

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Kezunovic, Mladen, Jinfeng Ren, and Saeed Lotfifard. "Design and Implementation of Overcurrent, Pilot, and Distance Protection." In Design, Modeling and Evaluation of Protective Relays for Power Systems. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-20919-7_6.

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Ammar, Hajjar A. "An Expert System for Optimal Coordination of Directional Overcurrent Relays in Meshed Networks." In Artificial Intelligence Applications in Electrical Transmission and Distribution Systems Protection. CRC Press, 2021. http://dx.doi.org/10.1201/9780367552374-12.

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Conde Enríquez, Arturo. "Overcurrent relay protection for active microgrids." In Overcurrent Relay Advances for Modern Electricity Networks. Elsevier, 2023. http://dx.doi.org/10.1016/b978-0-323-91777-3.00006-4.

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Conde Enríquez, Arturo. "Online centralized control for adaptive protection system." In Overcurrent Relay Advances for Modern Electricity Networks. Elsevier, 2023. http://dx.doi.org/10.1016/b978-0-323-91777-3.00009-x.

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"Directional overcurrent relays." In Protection of Electricity Distribution Networks. Institution of Engineering and Technology, 2011. http://dx.doi.org/10.1049/pbpo065e_ch7.

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Conference papers on the topic "Overcurrent protection relay"

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Padmanabhan, Aadityaa, Tapas Kumar Barik, Sean McGuinness, Mobolaji Bello, Amin Zamani, and Mehrdad Sheikholeslami. "A Voltage Controlled Overcurrent-Based Adaptive Protection Scheme for Microgrids." In 2024 77th Annual Conference for Protective Relay Engineers (CFPR). IEEE, 2024. http://dx.doi.org/10.1109/cfpr61009.2024.10743017.

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Rishu, Utkarsh, Anup Kumar Mandpura, and Rohan Pillai. "Simulation-Based Evaluation of IDMT Characteristics for Overcurrent Relay Protection." In 2024 4th International Conference on Intelligent Technologies (CONIT). IEEE, 2024. http://dx.doi.org/10.1109/conit61985.2024.10625963.

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Sheina, Avy, Ramon Zamora, Amanullah Maung Than Oo, and Kosala Gunawardane. "Adaptive Overcurrent Relay Protection Strategy for Demand-side in Offshore DC Microgrids." In 2024 IEEE 34th Australasian Universities Power Engineering Conference (AUPEC). IEEE, 2024. https://doi.org/10.1109/aupec62273.2024.10807608.

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Wibisono, Rahmat Rifqi, Margo Pujiantara, and Ardyono Priyadi. "Optimizing of Protection Coordination Overcurrent Relay Using Adaptive Modified Firefly Algorithm in Gases Industrial." In 2024 IEEE 2nd International Conference on Electrical Engineering, Computer and Information Technology (ICEECIT). IEEE, 2024. https://doi.org/10.1109/iceecit63698.2024.10859710.

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Alam, Mahamad Nabab. "Voltage Accelerated Directional Overcurrent Relays for Microgrid Protection." In 2024 4th International Conference on Emerging Frontiers in Electrical and Electronic Technologies (ICEFEET). IEEE, 2024. https://doi.org/10.1109/icefeet64463.2024.10866777.

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Rahmati, Abouzar, and Reza Adhami. "An overcurrent protection relay based on local measurements." In 2013 IEEE Industry Applications Society Annual Meeting. IEEE, 2013. http://dx.doi.org/10.1109/ias.2013.6682616.

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So, C. W. "Application of genetic algorithm for overcurrent relay coordination." In 6th International Conference on Developments in Power Systems Protection. IEE, 1997. http://dx.doi.org/10.1049/cp:19970030.

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Bo, Z., J. He, X. Dong, B. J Caunce, and A. Klimek. "Overcurrent Relay based Integrated Protection Scheme for Distribution Systems." In 2006 International Conference on Power System Technology. IEEE, 2006. http://dx.doi.org/10.1109/icpst.2006.321440.

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Ukil, Abhisek, Bernhard Deck, and Vishal H. Shah. "Smart distribution protection using current-only directional overcurrent relay." In 2010 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT Europe). IEEE, 2010. http://dx.doi.org/10.1109/isgteurope.2010.5638909.

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Saran, Ankush. "Comparison between overcurrent relay and developed PMU based protection." In 2013 North American Power Symposium (NAPS). IEEE, 2013. http://dx.doi.org/10.1109/naps.2013.6666919.

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