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Abstract
The delay line of a travelling wave tube amplifier (TWT) needs a high dc voltage. A power converter with high transformation ratio is necessary to obtain high output voltage from low input voltage. As a result, a large number of turns is necessary for secondary windings and large leakage inductance and large parasitic capacitor appear. Thus, it is usual to design a resonant converter to include both leakage inductance and capacitance in the power topology.
The present paper presents the design of a high voltage power supply for the delay line of a TWT using a resonant converter. All elements of the power supply (high voltage transformer, rectifier, filter and control) are designed taking high voltage and high frequency problems into account.
Additional information
Notes on contributors
Cecilio Blanco Viejo
M.Sc degree in Electrical Engineering from the University of Oviedo (Spain) in 1989. Full professor in Electronic Technology at the University of Oviedo where he is at present developing his work in high frequency converters, electronic illumination systems. (Universidad de Oviedo, ETSIIeII Gijón Campus de Viesques s/n 33204 Gijon (Spain) Phone: 34 8 5182087, Fax: 34 8 5182068)
Miguel Angel Pérez García
M.Sc and Ph.D. degrees in Electrical Engineering from the University of Oviedo (Spain) in 1986 and 1990 respectively. Full professor in Electronic Technology at the University of Oviedo. His main interests are the high frequency converters and smart-power, in which area he has published several papers.
Manuel Rico Secades
M.Sc and Ph.D. degrees in Electrical Engineering from the University of Oviedo (Spain) in 1985 and 1989 respectively. Professor in Electronic Technology at the University of Oviedo. His main interests are illumination systems and high frequency power converters in which fields he has published a variety of papers. He is member of IEEE and IESNA.
Javier Uceda Antolín
He received the M.Sc. and Ph.D degrees in Electrical Engineering from the Universidad Politécnica de Madrid in 1976 and 1979, respectively. From 1976 to 1981 he was assistant professor in the Universidad Politécnica de Madrid. In 1982 he became a professor in the Universidad de Oviedo, Spain. Since 1986, he has been a professor at the Universidad Politécnica de Madrid. His main interests are power elctronics systems and microelectronics. He is a Senior Member of the IEEE. (División de Ingeniería Electrónica ETS Ing. Industriales. Universidad Politecnica de Madrid C/José Gutiérrez Abascal, 2.28006 Madrid (Spain), Phone: 3414117517)