The problem of frequency stability becomes more concerning as the presence of converter-interfaced units increases and conventional generators are suppressed.
Kristina Džodić, Željko Đurišić
doaj +1 more source
A Novel Control Architecture for Hybrid Power Plants to Provide Coordinated Frequency Reserves
The inertia reduction suffered by worldwide power grids, along with the upcoming necessity of providing frequency regulation with renewable sources, motivates the present work.
Daniel Vázquez Pombo +2 more
doaj +1 more source
Grid Support with Wind Turbines: The Case of the 2019 Blackout in Flensburg
The work presented in this paper aims to show how modern wind turbines can help to control the frequency in a small grid which suffers from large power imbalances. It is shown for an exemplary situation, which occurred in Flensburg’s distribution grid in
Arne Gloe, Clemens Jauch, Thomas Räther
doaj +1 more source
Classification of EMI discharge sources using time–frequency features and multi-class support vector machine [PDF]
This paper introduces the first application of feature extraction and machine learning to Electromagnetic Interference (EMI) signals for discharge sources classification in high voltage power generating plants.
Boreham, Philip +5 more
core +2 more sources
Grid-Connected Photovoltaic Systems with Energy Storage for Ancillary Services
This paper presents the topology and control of a photovoltaic inverter with an internal battery storage system in conjunction with droop control designed to perform ancillary services such as frequency and reactive power support (voltage regulation ...
Luccas Tadeu Farnezes Soares +4 more
doaj +1 more source
Analysis of inertia damping characteristics of GFM wind turbines
Grid-forming (GFM) converters, known for their superior inertia damping characteristics, have emerged as a center research focus in the renewable energy sector. As a result, the damping characteristics of GFM wind power converters are first examined. The
WU Shuangxi +6 more
doaj +1 more source
Variable-Speed Wind Turbines for Grid Frequency Support: A Systematic Literature Review
As the finite nature of non-renewable energy resources is realised and climate change concerns become more prevalent, the need to shift to more sustainable forms of energy such as the adoption of renewable energy has seen an increase.
Aksher Bhowon +2 more
doaj +1 more source
Delivering combined droop and inertial response from wind plant for power system frequency stability
As wind penetration level into power systems increases, provision of frequency support from wind plant is anticipated to become a requirement in grid codes.
Lei Wu +3 more
doaj +1 more source
Torsional suspension system for testing space structures [PDF]
A low frequency torsional suspension system for testing a space structure uses a plurality of suspension stations attached to the space structure along the length thereof in order to suspend the space structure from an overhead support.
Gold, Ronald R., Reed, Wilmer H., III
core +1 more source
Numerical simulations of negative-index refraction in wedge-shaped metamaterials [PDF]
A wedge-shaped structure made of split-ring resonators (SRR) and wires is numerically simulated to evaluate its refraction behavior. Four frequency bands, namely, the stop band, left-handed band, ultralow-index band, and positive-index band, are ...
H. Liu +5 more
core +1 more source

