Results 1 to 10 of about 20,904,194 (250)

Super-Low Friction Electrification Achieved on Polytetrafluoroethylene Films-Based Triboelectric Nanogenerators Lubricated by Graphene-Doped Silicone Oil

open access: yesMicromachines, 2023
The novel proposal of Wang’s triboelectric nanogenerator (TENG) has inspired extensive efforts to explore energy harvesting devices from the living environment for the upcoming low-carbon society.
Junzhao Chen   +3 more
doaj   +1 more source

Solar and Wind Energy Integrated System Frequency Control: A Critical Review on Recent Developments

open access: yesEnergies, 2023
A paradigm shift in power systems is observed due to the massive integration of renewable energy sources (RESs) as distributed generators. Mainly, solar photovoltaic (PV) panels and wind generators are extensively integrated with the modern power system ...
Md. Shafiul Alam   +9 more
semanticscholar   +1 more source

Grid frequency control. Secondary frequency control tuning taking into account distributed primary frequency control [PDF]

open access: yesIEEE PES General Meeting, 2010
A new method developed and applied to tune Secondary Control Loop (SCL) for grid frequency control is presented.
Jorge Luis Agüero   +2 more
openaire   +2 more sources

The frequency control of laser diodes [PDF]

open access: yesJournal de Physique III, 1992
It is shown that spectral characteristics of laser diodes are rather poor and that frequency control methods are needed to be able to use laser diodes in numerous applications. We describe precisely the problems encountered with laser diodes and attempt to explain their origin.
de Labachelerie, M.   +3 more
openaire   +5 more sources

Towards Wearable-Inertial-Sensor-Based Gait Posture Evaluation for Subjects with Unbalanced Gaits

open access: yesSensors, 2020
Human gait reflects health condition and is widely adopted as a diagnostic basisin clinical practice. This research adopts compact inertial sensor nodes to monitor the functionof human lower limbs, which implies the most fundamental locomotion ability ...
SEN QIU   +10 more
doaj   +1 more source

MPC-Based Fast Frequency Control of Voltage Source Converters in Low-Inertia Power Systems [PDF]

open access: yesIEEE Transactions on Power Systems, 2020
A rapid deployment of renewable generation has led to significant reduction in the rotational system inertia and damping, thus making frequency control in power systems more challenging.
Ognjen Stanojev   +5 more
semanticscholar   +1 more source

Transmission of Frequency Balance Instructions and Secure Data Sharing Based on Chaos Encryption in Smart Grid-Based Energy Systems Applications

open access: yesIEEE Access, 2021
Data communication security between power systems, which has become a chronic problem in the classical network, is characterized by the application of information communication technology (ICT) in modern network models.
Mehmet Rida Tur, Hidayet Ogras
doaj   +1 more source

Inertia Response Coordination Strategy of Wind Generators and Hybrid Energy Storage and Operation Cost-Based Multi-Objective Optimizing of Frequency Control Parameters

open access: yesIEEE Access, 2021
Due to the high penetration of renewable energy resources in microgrids (MGs), the grid inertia becomes low which leads to the grid to be vulnerable to large disturbances.
Tohid Rahimi   +5 more
doaj   +1 more source

A New Robust Load Frequency Controller for Electric Vehicle Aggregators ‎ [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2023
This paper proposes a robust state feedback controller for Electric Vehicle aggregators to solve the challenging problem caused by the participation of Electric Vehicles in the load frequency control of the power system.
S. Malek   +2 more
doaj   +1 more source

Modelling of variable-speed refrigeration for fast-frequency control in low-inertia systems

open access: yesIET Smart Grid, 2020
In modern power systems, shiftable loads contribute to the flexibility needed to increase robustness and ensure security. Thermal loads are among the most promising candidates for providing such service due to the large thermal storage time constants ...
Johanna Vorwerk   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy