Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Kexiong Tan"'
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 9:381-389
The application of six different kinds of characteristic vectors to recognize PD sources is studied. Four kinds of model bars are used to simulate typical partial discharges in generator stator winding. The PD signals were measured by using a compute
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b49031e071da5e7cbef913650513746f
https://doi.org/10.1109/tdei.2002.1007700
https://doi.org/10.1109/tdei.2002.1007700
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 6:803-813
This paper discusses the development of a simulation model to study the propagation of partial discharge (PD) pulses of transformers in a 500 kV substation. The results will be used to design an on-line PD monitoring system for transformers. The impe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::014c45d2b734d884d5c00bb27a559588
https://doi.org/10.1109/94.822019
https://doi.org/10.1109/94.822019
Publikováno v:
IEEE Transactions on Electrical Insulation. 25:757-761
A new method for measuring the dynamic potential distribution during the propagation of a local arc along a polluted surface is described. In order to study the role of electric stress during the pollution flashover processes, a flat polluted glass p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b4a50170fcd118d421e98bf7be84c76
https://doi.org/10.1109/14.57101
https://doi.org/10.1109/14.57101
Publikováno v:
SPIE Proceedings.
Recently, Semiconductor sensor and thermal conductivity sensor are widely used for gas detection in transformer online monitors. Since the long-time stability or precision of these sensors is not satisfactory, the present researcher studied the appli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f233e888af64eebec98118b15143933
https://doi.org/10.1117/12.592448
https://doi.org/10.1117/12.592448
Publikováno v:
Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials (Cat. No.03CH37417).
Frequency Response Analysis can be used to detect the transformer winding deformation. Its reliability and standard are studied. A simulation model of transformer winding is developed. The transformer winding is equivalent to a network circuit, and e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dda74b400c15d0d35125a76bb141c5c3
https://doi.org/10.1109/icpadm.2003.1218457
https://doi.org/10.1109/icpadm.2003.1218457
Publikováno v:
Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials (Cat. No.03CH37417).
The problem of selecting a suitable maintenance period is vital for preventive maintenance of power transformer. Traditionally, maintenance period can be calculated by model with an objective function, such as availability, maintenance cost, or relia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21cc24acd32559a0b227190f815862bc
https://doi.org/10.1109/icpadm.2003.1218455
https://doi.org/10.1109/icpadm.2003.1218455
Publikováno v:
Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials (Cat. No.03CH37417).
Five types of partial discharge (PD) models are designed to represent typical PD phenomena in power capacitors. A computer-based acoustic emission signal detecting instrument that is developed for PD is used to collect a lot of acoustic signals of mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45a0544a92e7c2d12b13331fe6da9102
https://doi.org/10.1109/icpadm.2003.1218416
https://doi.org/10.1109/icpadm.2003.1218416
Publikováno v:
Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials (Cat. No.03CH37417).
In recent years, the ultra high frequency (UHF) method is employed to suppress the interferences during the partial discharge (PD) measurements with the detecting frequency range from 300 MHz to 1.5 GHz. However, with such width of frequency range, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6af1a0e1393fd59166f5f3d8b6415d5
https://doi.org/10.1109/icpadm.2003.1218448
https://doi.org/10.1109/icpadm.2003.1218448
Publikováno v:
Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials (Cat. No.03CH37417).
To locale partial discharge (PD) source in power transformer by electrical method, the propagating principle of PD pulse along transformer windings and the response of PD pulse at detecting terminals outside the transformer are studied. Simulating an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::920f5b8484aa44c6425fdad6ed5fe0a9
https://doi.org/10.1109/icpadm.2003.1218450
https://doi.org/10.1109/icpadm.2003.1218450
Autor:
F.Q. Li, T.C. Cheng, Deheng Zhu, Changchang Wang, Xianhe Jin, Lei Jiang, Kexiong Tan, C.Q. Wu, Du Lin
Publikováno v:
Annual Report Conference on Electrical Insulation and Dielectric Phenomena.
This paper introduces a computerized online PD (Partial Discharge) monitoring and diagnostic system for power transformers, which has been installed in a 500 kV substation in China. It consists of wide-band active transducers and DAU (Data Acquisitio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34486ac71027d703b936eb17f9918fd9
https://doi.org/10.1109/ceidp.2002.1048904
https://doi.org/10.1109/ceidp.2002.1048904