Results 21 to 30 of about 1,837,906 (265)
Applied Sciences, 2022 The industry has widely accepted Frequency Response Analysis (FRA) as a reliable method to detect power transformers mechanical deformations. While the FRA technique has been recommended in recent literature as a potential diagnostic method to detect ...
Salem Mgammal Al-Ameri +6 more
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Fault Diagnosis of Transformer Windings Based on Decision Tree and Fully Connected Neural Network
Energies, 2021 While frequency response analysis (FRA) is a well matured technique widely used by current industry practice to detect the mechanical integrity of power transformers, interpretation of FRA signatures is still challenging, regardless of the research ...
ZhenHua Li +7 more
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Temperature Estimation of SiC Power Devices Using High Frequency Chirp Signals
Energies, 2021 Silicon carbide devices have become increasingly popular in electric vehicles, predominantly due to their fast-switching speeds, which allow for the construction of smaller power converters. Temperature sensitive electrical parameters (TSEPs) can be used
Xiang Lu +5 more
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Cross Test Comparison in Transformer Windings Frequency Response Analysis
Energies, 2018 Frequency Response Analysis (FRA) is an important tool used for diagnostic measurements of power transformers. Standard test configuration applied in the industry is the end-to-end open test setup; however, an interwinding capacitive configuration is ...
Szymon Banaszak, Wojciech Szoka
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Applied Sciences, 2020 One of the standard diagnostic methods for power transformers is frequency response analysis (FRA). This paper deals with progress in the frequency response interpretation of these very important appliances in the power network.
Katarzyna Trela +1 more
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Vibration Isolation of a Surveillance System Equipped in a Drone with Mode Decoupling
Applied Sciences, 2021 Vibration isolation with mode decoupling plays a crucial role in the design of an intelligent robotic system. Specifically, a coupled multi-degree-of-freedom (multi-DOF) model accurately predicts responses of system dynamics; hence, it is useful for ...
Yun-Ho Shin +4 more
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Generation of Anisotropic Cloud Cover
Mìkrosistemi, Elektronìka ta Akustika, 2023 This paper introduces an advanced mathematical model for generating and analyzing cloud cover images, specifically designed to enhance photovoltaic (PV) partial shading studies.
Vadym Ihorovych Martyniuk +1 more
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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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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
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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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