A novel method for ultra-high-frequency partial discharge localization in power transformers using the particle swarm optimization algorithm

Mirzaei, Hassan Reza; Akbari, Asghar; Gockenbach, E.; Zanjani, M.; Miralikhani, K.

doi:10.1109/mei.2013.6457597

Cited by 63 publications

(55 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is known that the EMW cannot be transmitted through the conductors like iron core and copper conductors, while it can be propagated through dielectrics suffering some more attenuation [6]. The most favorable finding was that the PD EMW could be transmitted through the radial oil gaps of the windings, just suffering some more attenuation.…”

Section: The Basis Of the Uhf Pd Localizationmentioning

confidence: 99%

“…It is possible to detect and locate PD defects in the early stage of development by measuring and analyzing PD data and take suitable maintenance and repair action. Since now several detection and localization methods like electrical [1][2][3][4], acoustic [5] and ultra-high frequency (UHF) detection [6][7][8][9][10][11] methods have been used in the power transformer. Although the electrical PD detection is sensitive to weak PD activities, it could only predict the turn number of the winding in which PD occurs (1-D localization).…”

Section: Introductionmentioning

confidence: 99%

“…Although the acoustic PD detection could perform 3-D defect localization, it is not very sensitive to weak PDs and those which appear deep inside the winding. Due to high sensitivity, 3-D localization capability and noiseless measurement, the UHF PD detection method has attracted more attentions these days [6][7][8][9][10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Advancing new techniques for UHF PDdetection and localization in the power transformers in the factory tests

Mirzaei

Akbari

Gockenbach

et al. 2015

IEEE Trans. Dielect. Electr. Insul.

Self Cite

View full text Add to dashboard Cite

Partial discharge (PD) detection in the ultra-high frequency (UHF) range is state of the art. One of the most critical points in this detection method is adopting proper and suitable antenna design. In this paper, a new design of UHF antennas is introduced which is suitable to be used on the transformers in the HV laboratories of the manufacturers. To ensure the applicability of the new antenna, experimental UHF PD measurements are carried out on a transformer tank model as well as on the real power transformers. Installing several UHF antennas on the transformer tank to perform defect localization is also an important issue. There are rigorous limitations and lack of the places to install the antennas. This problem is almost solved by using the mentioned new antenna design. The proper positioning of the antennas is the other critical point in the UHF method. Placing the antennas in improper positions will damage the localization accuracy. In this paper, an automatic algorithm is introduced to determine the best installation positions for the antennas to enhance the localization accuracy. The efficacy of this algorithm is investigated by using the results of experimental measurements on power transformers.

show abstract

Section: The Basis Of the Uhf Pd Localizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Advancing new techniques for UHF PDdetection and localization in the power transformers in the factory tests

Mirzaei

Akbari

Gockenbach

et al. 2015

IEEE Trans. Dielect. Electr. Insul.

Self Cite

View full text Add to dashboard Cite

show abstract

“…However, the existing research of PD online monitoring focus on signal de-noising [3][4][5][6], PD sources location [7] and pattern recognition [8][9][10][11], PD severity assessment was rarely involved. To evaluate PD severity, the insulation dielectric property of GIS is the basic characteristic of the PD development process.…”

Section: Introductionmentioning

confidence: 99%

Features Extraction and Mechanism Analysis of Partial Discharge Development under Protrusion Defect

Dong¹,

Tang²,

Zeng³

et al. 2015

Journal of Electrical Engineering and Technology

View full text Add to dashboard Cite

-In order to study the development of partial discharge (PD) under typical protrusion defects in gas-insulated switchgear, we applied step voltages on the defect and obtained the φ-u and φ-n spectrograms of ultra-high frequency (UHF) PD signals in various PD stages. Furthermore, we extracted seven kinds of features to characterize the degree of deterioration of insulation and analyzed their values, variation trends, and change rates. These characteristics were inconsistent with the development of PD. Hence, the differences of these features could describe the severity of PD. In addition, these characteristics could provide integrated characteristics regarding PD development and improve the reliability of PD severity assessment because these characteristics were extracted from different angles. To explain the variation laws of these seven kinds of parameters, we analyzed the relevant physical mechanism by considering the microphysical process of PD formation and development as well as the distortion effect generated by the space charges on the initial field. The relevant physical mechanism effectively allocated PD severity among these features for assessment, and the effectiveness and reliability of using these features to assess PD severity were proved by testing a large number of PD samples.

show abstract

“…INTRODUCTION The quality of the insulation in high voltage equipment is a key issue to keep them functioning [1][2][3][4][5][6][7][8][9][10][11][12]. Electric field of high levels in this equipment produces degradation of insulating parts of the apparatus.…”

mentioning

confidence: 99%

Spectral Method for Localization of Multiple Partial Discharges in Dielectric Insulation of Hydro-Generator Coils: Simulation and Experimental Results

Oliveira

Modesto

Dmitriev

et al. 2016

J. Microw. Optoelectron. Electromagn. Appl.

View full text Add to dashboard Cite

A novel method for ultra-high-frequency partial discharge localization in power transformers using the particle swarm optimization algorithm

Cited by 63 publications

References 16 publications

Advancing new techniques for UHF PDdetection and localization in the power transformers in the factory tests

Advancing new techniques for UHF PDdetection and localization in the power transformers in the factory tests

Features Extraction and Mechanism Analysis of Partial Discharge Development under Protrusion Defect

Spectral Method for Localization of Multiple Partial Discharges in Dielectric Insulation of Hydro-Generator Coils: Simulation and Experimental Results

Contact Info

Product

Resources

About