Academic literature on the topic 'Load shedding - Protection'

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Journal articles on the topic "Load shedding - Protection"

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Ford, J. J., H. Bevrani, and G. Ledwich. "Adaptive load shedding and regional protection." International Journal of Electrical Power & Energy Systems 31, no. 10 (2009): 611–18. http://dx.doi.org/10.1016/j.ijepes.2009.06.004.

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Mahesh, C., F. T.Josh, and A. Sanjeevi Gandhi. "A comprehensive study on protection, control and communication techniques: a key concept for microgrid intelligent operation." International Journal of Engineering & Technology 7, no. 2.8 (2018): 35. http://dx.doi.org/10.14419/ijet.v7i2.8.10320.

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Microgrid is an integrated network of renewable and non renewable resources to supply the green power to a small range of community. An effective communication technology is necessary to be implemented among the power generations, storages and loads of microgrid in order to manage the load sharing, shedding and protection issues. This paper provides the study on architecture, characteristics, load managements, protection schemes, communication techniques and research challenges of microgrid.
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Huang, Chin-Chyr, and Shyh-Jier Huang. "A time-based load shedding protection for isolated power systems." Electric Power Systems Research 52, no. 2 (1999): 161–69. http://dx.doi.org/10.1016/s0378-7796(99)00019-x.

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Siyanda Mnguni, Mkhululi Elvis, and Yohan Darcy Mfoumboulou. "An approach for a multi-stage under-frequency based load shedding scheme for a power system network." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 6 (2020): 6071. http://dx.doi.org/10.11591/ijece.v10i6.pp6071-6100.

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The integration of load shedding schemes with mainstream protection in power system networks is vital. The traditional power system network incorporates different protection schemes to protect its components. Once the power network reaches its maximum limits, and the load demand continue to increase the whole system will experience power system instability. The system frequency usually drops due to the loss of substantial generation creating imbalance. The best method to recover the system from instability is by introducing an under-frequency load shedding (UFLS) scheme in parallel with the pr
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Hajar, Ibnu, and Muhammad Ridho. "Review dan Resetting Skema Overload Shadding Interbus Transformer 500/150 kV 1,3 Gandul dan 2 Kembangan." Energi & Kelistrikan 12, no. 1 (2020): 32–42. http://dx.doi.org/10.33322/energi.v12i1.942.

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Power system protection is one of the most important aspect in power system operation. Power system protection is an attempt to widely prevent the fault over the whole system. One of the power system protection schemes that have been applied by PT. PLN (Persero) to 150 kV Jawa Bali subsystem is Over Load Shedding of Interbus Transformer 500/150 kV. Over Load Shedding scheme has correctly to be set to prevent overload on secondary side of IBT 500/150 kV. Black Out occured on January 2, 2018 at 150 kV subsystem of 1,3 Gandul – 2 Kembangan – Muara Karang is one of the impact caused by incorrect-s
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Hoseinzadeh, Bakhtyar, and Claus Leth Bak. "Centralized coordination of load shedding and protection system of transmission lines." International Transactions on Electrical Energy Systems 29, no. 1 (2018): e2674. http://dx.doi.org/10.1002/etep.2674.

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Skrjanc, Tadej, Rafael Mihalic, and Urban Rudez. "Principal Component Analysis (PCA)-Supported Underfrequency Load Shedding Algorithm." Energies 13, no. 22 (2020): 5896. http://dx.doi.org/10.3390/en13225896.

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This research represents a conceptual shift in the process of introducing flexibility into power system frequency stability-related protection. The existing underfrequency load shedding (UFLS) solution, although robust and fast, has often proved to be incapable of adjusting to different operating conditions. It triggers upon detection of frequency threshold violations, and functions by interrupting the electricity supply to a certain number of consumers, both of which values are decided upon beforehand. Consequently, it often does not comply with its main purpose, i.e., bringing frequency deca
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Wang, Heng. "Overload Control Strategy Based on Triangular Fuzzy Analytic Hierarchy Process." E3S Web of Conferences 256 (2021): 02019. http://dx.doi.org/10.1051/e3sconf/202125602019.

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After the high-voltage transmission line is cut off due to a fault, the bearing transmission power will be transferred, which may cause overload. If overload cannot be eliminated quickly and scientifically, it is very likely that the line backup protection will be activated, which will trigger chain trip or even blackout accidents. In view of this, this paper proposed a cross-voltage level optimization load shedding control strategy based on fuzzy analytic hierarchy process. Through step-by-step progression in the three indexes of line overload degree, load importance degree, and unit load she
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Pereira Fe, Luiz Augusto, Alexandre Rocco, Heraldo Silveira B, and Geraldo Caixeta Gu. "Electric Power System Under-Voltage Load Shedding Protection Can Become a Trap." American Journal of Applied Sciences 6, no. 8 (2009): 1526–30. http://dx.doi.org/10.3844/ajassp.2009.1526.1530.

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Hoseinzadeh, Bakhtyar, Filipe Faria da Silva, and Claus Leth Bak. "Decentralized Coordination of Load Shedding and Plant Protection Considering High Share of RESs." IEEE Transactions on Power Systems 31, no. 5 (2016): 3607–15. http://dx.doi.org/10.1109/tpwrs.2015.2493101.

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Dissertations / Theses on the topic "Load shedding - Protection"

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Barik, Tapas Kumar. "Modern Adaptive Protection and Control Techniques for Enhancing Distribution Grid Resiliency." Diss., Virginia Tech, 2021. http://hdl.handle.net/10919/103644.

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Power distribution systems have underwent a lot of significant changes in the last two decades. Wide-scale integration of Distributed Energy Resources (DERs) have made the distribution grid more resilient to abnormal conditions and severe weather induced outages. These DERs enhance the reliability of the system to bounce back from an abnormal situation rather quickly. However, the conventional notion of a radial system with unidirectional power flow does not hold true due to the addition of these DERs. Bidirectional power flow has challenged the conventional protection schemes in place. The mo
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Arioli, Fernanda Caseño Trindade 1984. "Analise dos sistemas de proteção e controle de instalações industriais com geradores sincronos durante operação ilhada." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259995.

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Orientador: Walmir de Freitas Filho<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-13T11:32:14Z (GMT). No. of bitstreams: 1 Trindade_FernandaCasenoLima_M.pdf: 1160331 bytes, checksum: 8645597088992da29acb335423c8dbc4 (MD5) Previous issue date: 2009<br>Resumo: Sistemas industriais modernos são instalações bastante complexas com elevado grau de automatização e com capacidade de operar de forma isolada (ilhada) da rede elétrica após a ocorrência de contingências devido à utilização de gerador
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"Design and implementation of a special protection scheme to prevent voltage collapse." Thesis, 2012. http://hdl.handle.net/10388/ETD-2012-03-703.

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The trend of making more profits for the owners, deregulation of the utility market and need for obtaining permission from regulatory agencies have forced electric power utilities to operate their systems close to the security limits of their generation, transmission and distribution systems. The result is that power systems are now exposed to substantial risks of experiencing voltage collapse. This phenomenon is complex and is localized in nature but has widespread adverse consequences. The worst scenario of voltage collapse is partial or total outage of the power system resulting in loss
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Book chapters on the topic "Load shedding - Protection"

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Chuvychin, Vladimir, Antans Sauhats, Vadims Strelkovs, and Eduards Antonovs. "Under-Frequency Load Shedding System." In Monitoring, Control and Protection of Interconnected Power Systems. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-53848-3_18.

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"Industrial plant load shedding." In Protection of Electricity Distribution Networks. Institution of Engineering and Technology, 2011. http://dx.doi.org/10.1049/pbpo065e_ch11.

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Alhelou, H. H. "An Overview of Wide Area Measurement System and Its Application in Modern Power Systems." In Handbook of Research on Smart Power System Operation and Control. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8030-0.ch012.

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In this chapter, wide area measurement systems (WAMS), which are one of the cornerstones in modern power systems, are overviewed. The WAMS has great applications in power system monitoring, operation, control, and protection systems. In the modern power systems, WAMS is adopted as a base for the modern monitoring and control techniques. Therefore, an introduction of WAMS is firstly provided. Then, phasor measurement unit (PMU), which is the base of WAMS, is described. Afterward, the most recent developments in power system estimation, stability, and security techniques, which are based on WAMS, are introduced. Later, general system setup for WAMS-based under-frequency load shedding (UFLS) is provided. Finally, the required communications infrastructures are comprehensively discussed.
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Beccuti, M., S. Chiaradonna, F. Di Giandomenico, S. Donatelli, G. Dondossola, and G. Franceschinis. "Model-Based Evaluation of the Impact of Attacks to the Telecommunication Service of the Electrical Grid." In Critical Information Infrastructure Protection and Resilience in the ICT Sector. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2964-6.ch011.

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This chapter is devoted to the study of the consequences of cyber-attacks to the telecommunication service of the electrical grid, which is an essential service for the grid control system. It is up to the control system to ensure that even very large power systems are kept in equilibrium even in presence of power contingencies. This chapter considers cyber-attacks of the Denial of Service (DoS) type, occurring while the electrical grid is already facing an electrical failure that requires a load shedding strategy. Using a model-based approach that uses the rich and flexible formalism provided by the tool Möbius, it is possible to investigate the interplay between an attack to the telecommunication service and the state of the grid in a number of different situations and for different characterizations of the DoS behaviour and severity. The formalism used allows to associate a (stochastic) duration and/or a probability to the events happening in the system, so as to take into account the variability in attacks’ behaviour, leading to a quantitative characterization of the impact of a DoS attack to the electrical grid.
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Elmore, Walter. "Load-Shedding and Frequency Relaying." In Protective Relaying. CRC Press, 2003. http://dx.doi.org/10.1201/9780203912850.ch17.

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"Stability, Reclosing, Load Shedding, and Trip Circuit Design." In Protective Relaying. CRC Press, 2014. http://dx.doi.org/10.1201/b16518-20.

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"Stability, Reclosing, Load Shedding, and Trip Circuit Design." In Protective Relaying. CRC Press, 2006. http://dx.doi.org/10.1201/9781420017847.ch14.

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"Stability, Reclosing, Load Shedding, and Trip Circuit Design." In Protective Relaying. CRC Press, 2006. http://dx.doi.org/10.1201/9781420017847-19.

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"Load-Shedding and Frequency Relaying Revised by W.A.Elmore." In Protective Relaying. CRC Press, 2003. http://dx.doi.org/10.1201/9780203912850-22.

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Conference papers on the topic "Load shedding - Protection"

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Mozina, Charles. "Undervoltage load shedding." In 2007 Power Systems Conference: Advanced Metering, Protection, Control, Communication, and Distributed Resources. IEEE, 2007. http://dx.doi.org/10.1109/psamp.2007.4740897.

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Zhao, Yiming, Songhao Yang, Baohui Zhang, and Ye Li. "Undervoltage and Underfrequency Combined Load Shedding Method." In 2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP). IEEE, 2019. http://dx.doi.org/10.1109/apap47170.2019.9225166.

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Dai, JJ. "Automatic Load Shedding Protection at A Coal-Chemical Plant." In 2019 IEEE/IAS 55th Industrial and Commercial Power Systems Technical Conference (I&CPS). IEEE, 2019. http://dx.doi.org/10.1109/icps.2019.8733367.

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Rudez, Urban, and Rafael Mihalic. "Trends in WAMS-based under-frequency load shedding protection." In IEEE EUROCON 2017 -17th International Conference on Smart Technologies. IEEE, 2017. http://dx.doi.org/10.1109/eurocon.2017.8011217.

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Fazaeli, Mohammad Hosein, Mohammad Mostafa Keramat, Hashem Alipour, and Naser Khodabakshi javinani. "New Adaptive Decentralize Under Frequency Load-Shedding Algorithm." In 2020 15th International Conference on Protection and Automation of Power Systems (IPAPS). IEEE, 2020. http://dx.doi.org/10.1109/ipaps52181.2020.9375505.

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Hernandez, E., B. Hughes, and J. de Jesús Durón-Mendoza. "Case study: adaptive load shedding in critical industrial facilities." In 15th International Conference on Developments in Power System Protection (DPSP 2020). Institution of Engineering and Technology, 2020. http://dx.doi.org/10.1049/cp.2020.0117.

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Chen, Xin, Zengping Wang, and Zhichao Zhang. "A load shedding method for two-area power system." In 2011 IEEE International Conference on Advanced Power System Automation and Protection (APAP). IEEE, 2011. http://dx.doi.org/10.1109/apap.2011.6180708.

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Allen, Will, and Tony Lee. "Flexible High-Speed Load Shedding Using a Crosspoint Switch." In 2006 Power Systems Conference: Advanced Metering, Protection, Control, Communication, and Distributed Resources. IEEE, 2006. http://dx.doi.org/10.1109/psamp.2006.285419.

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Lindahl, S. "Operational experience of load shedding and new requirements on frequency relays." In 6th International Conference on Developments in Power Systems Protection. IEE, 1997. http://dx.doi.org/10.1049/cp:19970077.

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Mu, Tao, Zhen Wei, ChengHu Gong, and ZhiGang Huang. "Feasible region of under-frequency load shedding and its application." In 2011 IEEE International Conference on Advanced Power System Automation and Protection (APAP). IEEE, 2011. http://dx.doi.org/10.1109/apap.2011.6180364.

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