Journal: Sensors (Basel, Switzerland)

Article Title: Development of Acoustic Emission Sensor Optimized for Partial Discharge Monitoring in Power Transformers

doi: 10.3390/s19081865

Figure Lengend Snippet: Parameters of the AE sensors used to determine the frequency of acoustic signals emitted by PD in oil–paper insulation.

Article Snippet: In turn, weighted peak frequency 〈 f peak 〉 is a geometric mean of frequency peak f peak and frequency centroid f centroid : (2) 〈 f p e a k 〉 = f p e a k ⋅ f c e n t r o i d Based on the results obtained with the use of Olympus V101-RB, the following conclusions may be drawn.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: Development of Acoustic Emission Sensor Optimized for Partial Discharge Monitoring in Power Transformers

doi: 10.3390/s19081865

Figure Lengend Snippet: Average normalized power spectrum density (PSD) determined for acoustic emission (AE) signals emitted by surface discharges (generated in electrode system A) and registered with the use of ultrasonic sensor type: ( a ) Olympus V101-RB, ( b ) PAC WD, ( c ) PAC R15D, and ( d ) PAC D9241A.

Article Snippet: In turn, weighted peak frequency 〈 f peak 〉 is a geometric mean of frequency peak f peak and frequency centroid f centroid : (2) 〈 f p e a k 〉 = f p e a k ⋅ f c e n t r o i d Based on the results obtained with the use of Olympus V101-RB, the following conclusions may be drawn.

Techniques: Generated

Journal: Sensors (Basel, Switzerland)

Article Title: Development of Acoustic Emission Sensor Optimized for Partial Discharge Monitoring in Power Transformers

doi: 10.3390/s19081865

Figure Lengend Snippet: Average normalized PSD determined for AE signals emitted by surface discharges (generated in the electrode system B) and registered with the use of ultrasonic sensor type: ( a ) Olympus V101-RB, ( b ) PAC WD, ( c ) PAC R15D, and ( d ) PAC D9241A.

Article Snippet: In turn, weighted peak frequency 〈 f peak 〉 is a geometric mean of frequency peak f peak and frequency centroid f centroid : (2) 〈 f p e a k 〉 = f p e a k ⋅ f c e n t r o i d Based on the results obtained with the use of Olympus V101-RB, the following conclusions may be drawn.

Techniques: Generated

Journal: Sensors (Basel, Switzerland)

Article Title: Development of Acoustic Emission Sensor Optimized for Partial Discharge Monitoring in Power Transformers

doi: 10.3390/s19081865

Figure Lengend Snippet: Average normalized PSD determined for AE signals emitted by interturn discharges and registered with the use of ultrasonic sensor type: ( a ) Olympus V101-RB, ( b ) PAC WD, ( c ) PAC R15D, and ( d ) PAC D9241A.

Article Snippet: In turn, weighted peak frequency 〈 f peak 〉 is a geometric mean of frequency peak f peak and frequency centroid f centroid : (2) 〈 f p e a k 〉 = f p e a k ⋅ f c e n t r o i d Based on the results obtained with the use of Olympus V101-RB, the following conclusions may be drawn.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: Development of Acoustic Emission Sensor Optimized for Partial Discharge Monitoring in Power Transformers

doi: 10.3390/s19081865

Figure Lengend Snippet: Average normalized PSD determined for AE signals emitted by partial discharges in oil and registered with the use of ultrasonic sensor type: ( a ) Olympus V101-RB, ( b ) PAC WD, ( c ) PAC R15D, and ( d ) PAC D9241A.

Article Snippet: In turn, weighted peak frequency 〈 f peak 〉 is a geometric mean of frequency peak f peak and frequency centroid f centroid : (2) 〈 f p e a k 〉 = f p e a k ⋅ f c e n t r o i d Based on the results obtained with the use of Olympus V101-RB, the following conclusions may be drawn.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: Development of Acoustic Emission Sensor Optimized for Partial Discharge Monitoring in Power Transformers

doi: 10.3390/s19081865

Figure Lengend Snippet: Frequency-domain parameters determined on the basis of the average PSD of AE pulses emitted by the investigated forms of partial discharges.

Article Snippet: In turn, weighted peak frequency 〈 f peak 〉 is a geometric mean of frequency peak f peak and frequency centroid f centroid : (2) 〈 f p e a k 〉 = f p e a k ⋅ f c e n t r o i d Based on the results obtained with the use of Olympus V101-RB, the following conclusions may be drawn.

Techniques: