Results 21 to 30 of about 29,705,142 (291)
An Adaptive Frequency Sampling Algorithm for Dynamic Condensation-Based Frequency Response Analysis
Mathematics, 2023 This paper proposed an efficient and adaptive frequency sampling algorithm for frequency response analysis using dynamic condensation-based reduced-order modeling.
Jaehun Lee +3 more
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Leak detection using instantaneous frequency analysis [PDF]
, 2012 Leaking pipes are a primary concern for water utilities around the globe as they compose a major portion of losses. Contemporary interest surrounding leaks is well documented and there is a proliferation of leak detection techniques. Although the reasons
ghazali, mohd fairusham
core +6 more sources
Applied Sciences, 2022 Frequency Response Analysis (FRA) technique has been recognized by worldwide utilities as a matured technology to assess the mechanical integrity of power transformers.
Salem Mgammal Al-Ameri +7 more
doaj +1 more source
Comprehensive Study on Transformer Fault Detection via Frequency Response Analysis
IEEE Access, 2023 The sudden outage of a transformer due to a fault can cause irreparable damage to the electricity industry. Hence, by conducting momentarily inspections of the transformer’s condition, faults can be promptly detected, and the transformer can be ...
Seyed Ebrahim Hosseini Kakolaki +3 more
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Frequency Response Analysis of the Unsteady-State CO/CO2 Methanation Reaction: An Experimental Study [PDF]
, 2022 The utilization of renewable electricity for power-to-gas (PtG) applications induces fluctuations in the H2 availability from water electrolysis. For subsequent methanation of CO or CO2 the unsteady-state operation of the respective reactor allows to ...
Dominik, Meyer +3 more
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Frequency Response Analysis of Buck-Boost Inverter
Mìkrosistemi, Elektronìka ta Akustika, 2019 The paper deals with processes analysis in inverter circuits. These processes are described by differential equations with periodical coefficients. Since control signals and voltages operating in an inverter circuit are independent theirs frequencies are
Igor Yevheniiovych Korotyeyev
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IEEE Access, 2021 Frequency Response Analysis (FRA) is the most reliable technique currently used to evaluate the mechanical integrity of power transformers. While the measurement devices have been well developed over the past two decades, interpretation of the FRA ...
Salem Mgammal Awadh Nasser Al-Ameri +6 more
doaj +1 more source
Frequency Response Analysis Tool [PDF]
, 2014 Frequency response has received a lot of attention in recent years at the national level, which culminated in the development and approval of North American Electricity Reliability Corporation (NERC) BAL-003-1 Frequency Response and Frequency Bias Setting Reliability Standard.
Pavel V. Etingov +2 more
openaire +1 more source
Response scales as frames of reference: the impact of frequency range on diagnostic judgements [PDF]
, 1991 Schwarz N, Bless H, Bohner G, Harlacher U, Kellenbenz M. Response scales as frames of reference: the impact of frequency range on diagnostic judgements. Applied Cognitive Psychology.
Schwarz, Norbert +4 more
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Transformer winding type recognition based on FRA data and a support vector machine model
High Voltage, 2020 Frequency response analysis (FRA) is regarded as the most effective technique to detect mechanical faults of transformers. Over the years, FRA measurement data have been collected by utilities into transformer asset databases.
Xiaozhou Mao +5 more
doaj +1 more source