Results 21 to 30 of about 14,434,014 (273)
Modelling of variable-speed refrigeration for fast-frequency control in low-inertia systems
IET 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
Dynamic Assessment of Axial Load in Tie-Rods by Means of Acoustic Measurements
Buildings, 2020 Tie-rods are structural elements of crucial importance in ancient buildings to ensure structural integrity and safety, so the assessment of their effectiveness via an estimation of the axial load is of great importance.
Carlo Resta +2 more
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Wavelets and digital filters designed and synthesized in the time and frequency domains
Mathematical Biosciences and Engineering, 2022 The relevance of the problem under study is due to the fact that the comparison is made for wavelets constructed in the time and frequency domains. The wavelets constructed in the time domain include all discrete wavelets, as well as continuous wavelets ...
Viliam Ďuriš +2 more
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State-of-the-art review on frequency response of wind power plants in power systems
, 2018 With an increasing penetration of wind power in the modern electrical grid, the increasing replacement of large conventional synchronous generators by wind power plants will potentially result in deteriorated frequency regulation performance due to the ...
Ziping Wu +6 more
semanticscholar +1 more source
Very Short-Term Power System Frequency Forecasting
IEEE Access, 2020 Power system frequency plays a pivotal role in ensuring the security, adequacy, and integrity of a power system. While some frequency response services are automatically delivered to maintain the frequency within the stipulated limits, certain cases may ...
Ogun Yurdakul +3 more
doaj +1 more source
Optimizing DER Participation in Inertial and Primary-Frequency Response
IEEE Transactions on Power Systems, 2018 This paper develops an approach to enable the optimal participation of distributed energy resources (DERs) in inertial- and primary-frequency response alongside conventional synchronous generators.
Swaroop S. Guggilam +4 more
semanticscholar +1 more source
An Analytical Model for CMUTs with Square Multilayer Membranes Using the Ritz Method
Micromachines, 2016 Capacitive micromachined ultrasonic transducer (CMUT) multilayer membrane plays an important role in the performance metrics including the transmitting efficiency and the receiving sensitivity.
Wen Zhang +3 more
doaj +1 more source
Grid Integration Challenges of Wind Energy: A Review
IEEE Access, 2020 The strengthening of electric energy security and the reduction of greenhouse gas emissions have gained enormous momentum in previous decades. The integration of large-scale intermittent renewable energy resources (RER) like wind energy into the existing
Shakir D. Ahmed +4 more
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Synthetic inertia versus fast frequency response: a definition
, 2018 This study discusses synthetic inertia from the perspective of a transmission system operator and compares it to fast frequency response based on frequency deviation.
R. Eriksson, N. Modig, K. Elkington
semanticscholar +1 more source
IEEE AccessThis paper presents Hybrid Cascode Compensation with Hybrid Q–Factor Control (HCCHQ), for three-stage feedback operational transconductance amplifiers (OTA) capable of handling any load capacitor ( $C_{L}$ ).
Hamed Aminzadeh +2 more
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