Improved ROCOF relay for islanding detection of solar distributed generation
, 2019 In recent years to meet the energy consumption demand of the world, all are working on renewable distributed generation (RDG) due to shortage of fossil fuels.
Reddy, J. Rajesh, Pandian, A.
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RoCoF calculation using low-cost hardware in the loop: multi-area Nordic power system
, 2020 This research paper presents a rate of change of frequency (RoCoF) implementation using low-cost hardware in the loop (HIL) with application to Nordic Power System (NPS).
Jose Barrios-Gomez (5986400) +11 more
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Investigation into the local nature of rate of change of frequency in electrical power systems
, 2017 In recent years power systems world-wide have seen large increases in wind power penetration and this trend is expected to continue. This is having the undesirable consequence of reducing the inertia of electrical power systems, especially at times of ...
Damien Doheny +3 more
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Utilization of Energy Storage System for Frequency Regulation in Large-Scale Transmission System
Energies, 2019 As the penetration rate of renewable enery resources (RES) in the power system increases, uncertainty and variability in system operation increase. The application of energy storage systems (ESS) in the power system has been increased to compensate for ...
Minhan Yoon +6 more
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Impact of Synchrophasor Estimation Algorithms in ROCOF-based Under-Frequency Load-Shedding
This paper investigates the impact of synchrophasor estimation algorithms in Under-Frequency Load-Shedding (UFLS) and Load-Restoration (LR) schemes, relying on frequency and Rate-of-Change-of-Frequency (ROCOF) measurements produced by Phasor Measurement ...
Frigo, Guglielmo +3 more
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Enhancing Frequency Regulation in Modern Power Systems Using ANN-Based Virtual Inertia Control
IEEE AccessThis paper provides an Artificial Neural Network-based Virtual Inertia and Damping Control (ANN-VIDC) technique to enhance frequency stability in power systems with high renewable energy penetration.
P. I. D. T. Bala Durai Kannan, K. Ravi
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NDZ of an anti-islanding protection with ROCOF threshold
, 2017 International audienceABSTRACTUsing the rate of change of frequency (ROCOF) to detectundesired islanding in distribution networks is alreadydone in a few countries of Europe and is considered apossibility in some others.
de Alvaro Garcia, Leticia +3 more
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Energies, 2018 Maintaining the stability of a conventional power system during under frequency events is partially dominated by a natural behavior called inertial response.
Abdulhameed S. Alsharafi +2 more
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Step Change Detection for Improved ROCOF Evaluation of Power System Waveforms
In the analysis of power grid waveforms, the presence of amplitude or phase steps can disrupt the estimation of frequency and rate-of-change-of-frequency (ROCOF).
Frigo, Guglielmo +3 more
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Adaptive active frequency support strategy for receiving-end MMC-HVDC stations based on rate of change of frequency [PDF]
As the proportion of HVDC infeed power increases in the eastern receiving-end power grid, inertia and frequency regulation capability decrease. Utilizing modular multilevel converter (MMC) stations at the receiving-end to provide active frequency support
Baoye Tian +3 more
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