Frequency response analysis (FRA) of transformers as a tool for fault detection and location: A review
RK Senobari, J Sadeh, H Borsi - Electric power systems research, 2018 - Elsevier
Power transformers are one of the most important components of the electrical power
networks. A wide range of mechanical and electrical stresses in addition to the aging could …
networks. A wide range of mechanical and electrical stresses in addition to the aging could …
FRA interpretation using numerical indices: State-of-the-art
MH Samimi, S Tenbohlen - International Journal of Electrical Power & …, 2017 - Elsevier
Abstract Frequency Response Analysis (FRA) is an effective diagnostic technique for
detection of mechanical deformations inside a power transformer. The results of previous …
detection of mechanical deformations inside a power transformer. The results of previous …
Self-powered circular-honeycomb triboelectric nanogenerator for vibration energy harvesting and resonance detection of synchronous machine
Q Shi, J Yang, H Gui, Y Gui, C Tang, Y Yu… - Sensors and Actuators A …, 2023 - Elsevier
It is worthwhile to efficiently and cost-effectively capture the vibration energy in the operation
of rotating machinery and convert it from mechanical energy to electrical power for a specific …
of rotating machinery and convert it from mechanical energy to electrical power for a specific …
Understanding the influence of power transformer faults on the frequency response signature using simulation analysis and statistical indicators
Frequency Response Analysis (FRA) is the most reliable technique currently used to
evaluate the mechanical integrity of power transformers. While the measurement devices …
evaluate the mechanical integrity of power transformers. While the measurement devices …
[HTML][HTML] Interpretation of frequency response analysis for fault detection in power transformers
Frequency response analysis (FRA) is a method of monitoring a power transformer's
mechanical integrity. However, identifying the type of fault and its severity by comparing …
mechanical integrity. However, identifying the type of fault and its severity by comparing …
Frequency response analysis for three-phase star and delta induction motors: Pattern recognition and fault analysis using statistical indicators
This paper presents a new investigation to detect various faults within the three-phase star
and delta induction motors (IMs) using a frequency response analysis (FRA). In this regard …
and delta induction motors (IMs) using a frequency response analysis (FRA). In this regard …
[HTML][HTML] Characterizing transformer HV–LV winding FRA curves through derivation of transfer functions from FRA data
Z Zhang - Electric Power Systems Research, 2024 - Elsevier
Mechanical malfunctions pose a significant threat to the reliability of power transformers.
Frequency Response Analysis (FRA) of transformer windings (TWs) serves as a predictive …
Frequency Response Analysis (FRA) of transformer windings (TWs) serves as a predictive …
Experimental Evaluation of Transformer Internal Fault Detection Based on V–I Characteristics
Winding deformation is a common problem that takes place within operating power
transformers due to various internal and external conditions. Due to their progressive nature …
transformers due to various internal and external conditions. Due to their progressive nature …
Condition monitoring of distribution transformers using frequency response traces and artificial neural network to detect the extent of windings axial displacements
Distribution transformers are of great importance in power systems regarding electrical
power supply to the consumers. To have a reliable and continuous service, monitoring of …
power supply to the consumers. To have a reliable and continuous service, monitoring of …
Application of frequency response analysis method to detect short-circuit faults in three-phase induction motors
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 …
to detect power transformers mechanical deformations. While the FRA technique has been …