Results 21 to 30 of about 774 (188)

Fast Frequency Support From Wind Turbine Systems by Arresting Frequency Nadir Close to Settling Frequency

open access: yesIEEE Open Access Journal of Power and Energy, 2020
The recent power cut incident in the UK on 9th August 2019 indicated that frequency control to raise frequency nadir and eliminate frequency second dip is highly desirable for power grids with high penetration of wind energy.
Xianxian Zhao, Ying Xue, Xiao-Ping Zhang
doaj   +1 more source

Adaptive droop control strategy for wind turbines based on ROCOF and rotor kinetic energy

open access: yes电力工程技术, 2023
The frequency stability of the wind power grid-connected system may be improved by the participation of wind turbines in frequency regulation. However, it is difficult for the existing droop control to coordinate the frequency response characteristics ...
LIU Hui, LUO Wei, SU Yi, ZHAO Teyang
doaj   +1 more source

Uncertainty model for rate of change of frequency analysis with high renewable energy participation

open access: yes, 2023
Large-scale integration of inverter-based renewables is displacing synchronous machine generation, causing a reduction in the inertia of electrical power systems.
Rubiano, Tomas   +3 more
core   +2 more sources

Field testing of ROCOF algorithms in multiple locations on Bornholm Island [PDF]

open access: yes, 2018
The importance of rate of change of frequency (RoCoF) measurements in electrical power grids is discussed along with its measurement challenges. A measurement campaign in a renewable-rich grid to compare ROCOF measurement algorithms with a variety of ...
Rietveld, Gert   +9 more
core   +1 more source

Exploring the relative performance of frequency-tracking and fixed-filter phasor measurement unit algorithms under C37.118 test procedures, the effects of interharmonics, and initial attempts at merging P-class response with M-class filtering

open access: yes, 2013
This paper presents improvements to frequency-tracking P-class and M-class Phasor Measurement Unit (PMU) algorithms. The performance of these algorithms is tested in simulation against the reference (Basic) algorithms from the C37.118 standard, using the
Roscoe, Andrew
core   +2 more sources

Real Time Hardware-In-The-Loop Comparison of Frequency Estimation Techniques in Application to ROCOF Based Islanding Detection [PDF]

open access: yes, 2018
© 2018 IEEE. Rate of change of frequency (ROCOF) is one of the most common islanding detection techniques because of its simplicity and economical benefits.
Yellajosula, Jaya   +3 more
core   +1 more source

Hybrid islanding detection method based on the rate of change of frequency and load impedance

open access: yes, 2021
Interconnection of distributed generation (DG) in distribution system will result in formation of islands in the event of loss of main supply. This scenario is harmful to the power system, hence quick detection is critical to halt the formation of ...
Yasin, Zuhaila Mat   +9 more
core   +2 more sources

Adaptive Synthetic Inertia Control Framework for Distributed Energy Resources in Low-Inertia Microgrid

open access: yesIEEE Access, 2022
Bulk integration of Distributed Energy Resources (DERs) into the power grids reduces the system’s inherent inertial response.The reduced inertial response causes a high Rate-of-Change-of-Frequency (RoCoF) and poses formidable operational ...
Sumit Nema   +2 more
doaj   +1 more source

Impact of Virtual Synchronous Generators on Frequency-Constrained Unit Commitment: A Neural Network-Assisted Framework for Assessing Rate of Change of Frequency

open access: yesIEEE Access
The increasing penetration of inverter-based resources (IBRs) into electric power systems and the retirement of synchronous generators (SGs) both reduce system inertia and challenge frequency stability.
Ryosuke Shikuma   +5 more
doaj   +1 more source

Investigation of Inertia Response and Rate of Change of Frequency in Low Rotational Inertial Scenario of Synchronous Dominated System [PDF]

open access: yes, 2021
The shift to a sustainable energy future is becoming more reliant on large-scale deployment of renewable and distributed energy resources raising concerns about frequency stability.
Harold R. Chamorro   +10 more
core   +1 more source

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