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Optimal location of shedding load at the adaptive UFLS
2010 IEEE International Energy Conference, 2010Under Frequency Load Shedding, UFLS, is the last step and the most extreme in protecting electric power systems from black outs and severe damages. Load shedding relays are installed at constant locations in the system. These locations are usually substations feeding less important loads.
Mohamed Abdel-Moaty El-Azab, Rasha +3 more
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Adaptive load shedding scheme to preserve the power system stability following large disturbances
IET Generation, Transmission and Distribution, 2014 Following large disturbances, the conventional under frequency load shedding (UFLS) relays may not operate properly, as they are designed to merely preserve the frequency stability of the system, independent of its voltage stability.
Moein Abedini +2 more
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Adaptive market based load shedding scheme
2015 IEEE Power & Energy Society General Meeting, 2015This paper develops and presents an adaptive market-based load shedding scheme that provides options for adaptive selection of loads in real-time. Therefore an ancillary market-based system where consumers as well as system operator have options to contribute to system security can be evolved.
Kaium Uz Zaman Mollah +1 more
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A Novel Adaptive Load Shedding Scheme for Data Stream Processing
Future Generation Communication and Networking (FGCN 2007), 2007In this paper, we present a novel feedback control-based load shedding scheme for data stream processing. Firstly we apply system identification to establish a dynamic model to describe data stream management system (DSMS), which enables us analyze DSMS quantitatively.
Yunyi Zhang +2 more
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An Adaptive Load-Shedding Method for Renewable Integrated Power Systems
2023 International Conference on Power, Instrumentation, Control and Computing (PICC), 2023The risk of a blackout or system failure is growing as power networks get more complicated and larger on a regular basis as a result of rising demand and the adoption of contemporary technologies. Frequency stability plays a vital role for the safe operation of a power system.
Abrar, Sk. Fahim, Masood, Nahid-Al
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IEEE Transactions on Power Delivery, 2017 This paper presents a new centralized adaptive underfrequency load shedding controller that is integrated with a distribution state estimator to improve the frequency stability of islanded microgrids.
M Karimi +2 more
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An adaptive method for setting underfrequency load shedding relays
IEEE Transactions on Power Systems, 1992An adaptive scheme is proposed for determining the amount of load to be shed by underfrequency relays based on the observed initial slope of the frequency deviation. following the system separation. This initial slope contains all the information required to estimate that size of the step change in load caused by the system separation and to forecast ...
P.M. Anderson, M. Mirheydar
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Design of adaptive load shedding by artificial neural networks
IEE Proceedings - Generation, Transmission and Distribution, 2005The design of an adaptive load-shedding strategy by executing an artificial neural network (ANN) and transient stability analysis for an electric utility system is presented. To prepare the training data set for an ANN, the transient stability analysis of an actual power system has been performed to solve for minimum load shedding with various ...
C.-T. Hsu, M.-S. Kang, C.-S. Chen
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Proposal and evaluation of an adaptive underfrequency load shedding method
2018 Simposio Brasileiro de Sistemas Eletricos (SBSE), 2018This work proposes and evaluates an adaptive underfrequency load shedding method. The method makes use of the phasor measurement systems for the monitoring of the dynamic state of the network, estimating the unbalance between the load and generation and adapting the load shedding.
Samuel S. da Silva, Tatiana M. L. Assis
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Adaptive load shedding for isolated power systems
IEE Proceedings - Generation, Transmission and Distribution, 1994Emergency control of frequency in an isolated power system is considered. In many such systems, limited load shedding is permitted under certain generation loss conditions to reduce the expense of spinning reserve provision. It is important in these circumstances to minimise consumer disruption through proper-design of the load shedding arrangements ...
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