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Pulse sequence analysis of corona discharge at DC voltage

Citace:
PIHERA, J., TRNKA, P., KOZÁK, O., HORNAK, J. Pulse sequence analysis of corona discharge at DC voltage. In Proceedings of International Conference on Diagnostic of Electrical Machines and Insulating Systems in Electrical Engineering (DEMISEE). Piscataway: IEEE, 2016. s. 71-76. ISBN: 978-1-5090-1249-7
Druh: STAŤ VE SBORNÍKU
Jazyk publikace: eng
Anglický název: Pulse sequence analysis of corona discharge at DC voltage
Rok vydání: 2016
Místo konání: Piscataway
Název zdroje: IEEE
Autoři: Ing. Josef Pihera Ph.D. , Doc. Ing. Pavel Trnka Ph.D. , Ing. Ondřej Kozák , Ing. Jaroslav Hornak ,
Abstrakt EN: The high voltage diagnostics must follow the actual state of the industry devices and the problems related to diagnostics methods. One of the diagnostic methods necessary to be solved at this time is the partial discharge detection, iagnostics and analyses in HVDC systems. There is no standardized method for detection of partial discharges in HVDC systems supplied with DC voltage. The presented study shows the application of pulse sequence analysis to analyze the partial discharges at DC voltage. There has been prepared the experiment with typical corona arrangement, needle-plane, to study and analyze the partial discharges at DC voltage. The measured data at DC voltage are compared to data measured at the same arrangement at AC voltage. The pulse sequence analysis has been applied for both AC and DC voltage and the data are plotted and compared. The aim of the study is to find the connection of pulse sequence data between AC and DC.
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