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Study of Solid State Long Pulse Converter Modulator for Klystron

Author(s):
Sanjay Dewangan , Jabalpur engineering college, jabalpur (M.P.); T. Reghu, RRCAT, Indore; V. Mandloi, RRCAT, Indore; Purushottam Shrivastava, RRCAT, Indore; Dr. L. S. Titare, JEC, Jabalpur

Keywords:
IGBT H-Bridge, High Voltage, High Frequency Transformer, Three Phase Bridge Rectifier and Filter

Abstract

The radio frequency (RF) cavities of particle accelerators are energized mostly by klystron RF amplifiers. These klystron are powered by high voltage, high peak power pulsed sources, called pulsed modulator. This paper presents study of high frequency switched, DC-DC resonant based long pulse modulator. The DC-DC converter employs IGBT’s for switching at 20 kHz. Nanocrystalline core material based high voltage, high frequency transformer is used for high voltage generation. The resonant converter helps to achieve soft switching of IGBT switches at turn on and turn off transitions. Phase shift topology is used for droop compensation.

Other Details
Paper ID: IJSRDV5I41241
Published in: Volume : 5, Issue : 4
Publication Date: 01/07/2017
Page(s): 1077-1079

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