Estimating frequency stability margin for flexible under-frequency relay operation
Sign Up to like & getrecommendations! Published in 2021 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2021.107116
Abstract: Abstract SmartGrid solutions are often misinterpreted as complex approaches requiring large amounts of (online) data and computational power for delivering high-quality results. With today's technology, this is surely the most obvious and technically achievable approach… read more here.
Keywords: system; frequency stability; frequency; stability margin ... See more keywords
Modeling and validation of ESR and frequency-stability of high-density nanostructured capacitors for embedded power converters
Sign Up to like & getrecommendations! Published in 2021 at "Microelectronic Engineering"
DOI: 10.1016/j.mee.2021.111593
Abstract: Abstract Increasingly dense microprocessors will require high-density passive components that can enable integrated power delivery with larger conversion ratios and higher output currents. Of these, nanoparticle-based tantalum capacitors can provide some of the highest volumetric… read more here.
Keywords: power; high density; frequency stability; density ... See more keywords
Demonstration of frequency stability limited by thermal fluctuation noise in silicon nitride nanomechanical resonators
Sign Up to like & getrecommendations! Published in 2022 at "Applied Physics Letters"
DOI: 10.1063/5.0145780
Abstract: The frequency stability of nanomechanical resonators (NMRs) dictates the performance level of many state-of-the-art sensors (e.g., mass, force, temperature, radiation) that relate an external physical perturbation to a resonance frequency shift. While this is obviously… read more here.
Keywords: thermal fluctuation; frequency stability; noise; frequency ... See more keywords
A Key Performance Indicator to Assess the Frequency Stability of Wind Generation Dominated Power System
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2940648
Abstract: High penetration of power electronic interfaced generation, like wind power, has an essential impact on the inertia of the interconnected power system. It can pose a significant threat to the frequency stability. This paper introduces… read more here.
Keywords: system; frequency stability; frequency; power ... See more keywords
Enhanced Frequency Stability Over Fiber Link With Improved Phase Discrimination Scheme
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2955670
Abstract: We demonstrate a phase-stability radio-frequency (RF) dissemination system via fiber link with direct phase discrimination. The phase fluctuation of the RF signal is identically transferred to a 10 MHz intermediate frequency (IF) by using dual-heterodyne… read more here.
Keywords: phase discrimination; frequency stability; phase; frequency ... See more keywords
Practical Framework for Frequency Stability Studies in Power Systems With Renewable Energy Sources
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3036162
Abstract: The transition from power systems dominated by synchronous machines to systems based on converter-based generation technologies (CGTs), is weakening currently robust power systems by reducing system inertia with the replacement of synchronous generators with low-inertia… read more here.
Keywords: frequency stability; frequency; stability; worst case ... See more keywords
Novel Emission Dispatch for Adding Electric Vehicles and Renewable Energy Sources With Short-Term Frequency Stability
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3102470
Abstract: This research proposes a novel emission dispatch formulation which solves for the optimal amount of electric vehicles (EVs) and renewable energy sources (RES) that minimizes emission while ensuring short-term frequency stability of the power system.… read more here.
Keywords: emission; frequency stability; term frequency; short term ... See more keywords
Frequency Stability Enhancement of Low-Inertia Large-Scale Power System Based on Grey Wolf Optimization
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3146710
Abstract: The high penetration of converter-based distributed generations (DGs) to power system can give rise to the lack of rotational inertia while replacing the conventional synchronous generators (SGs), which provide the primary frequency reserve (PFR) in… read more here.
Keywords: frequency stability; power system; power;
Virtual Inertia Support in Power Systems for High Penetration of Renewables—Overview of Categorization, Comparison, and Evaluation of Control Techniques
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3228204
Abstract: By replacing conventional generation units with renewable energy sources (RESs), the power system gains an alternate source of future power generation and a better environmental platform. RESs, on the other hand, are unable to provide… read more here.
Keywords: virtual inertia; frequency stability; control; power ... See more keywords
Frequency Stability of Synchronous Machines and Grid-Forming Power Converters
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2020.2966524
Abstract: An inevitable consequence of the global power system transition toward nearly 100% renewable-based generation is the loss of conventional bulk generation by synchronous machines (SMs), their inertia, and accompanying frequency- and voltage-control mechanisms. This gradual… read more here.
Keywords: system; synchronous machines; frequency stability; grid forming ... See more keywords
Frequency Trajectory Planning Based Strategy for Improving Frequency Stability of Droop-Controlled Inverter Based Standalone Power Systems
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal on Emerging and Selected Topics in Circuits and Systems"
DOI: 10.1109/jetcas.2021.3052006
Abstract: Inverter-based standalone power systems (ISPSs), with limited inertia/damping, are prone to significant changes in frequency indicators encompassing frequency deviation and rate of change of frequency (RoCoF), which can easily exceed the pertinent relay thresholds and… read more here.
Keywords: system; frequency stability; frequency; frequency trajectory ... See more keywords