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TU2A02 |
Pulsed High Power Klystron Modulators for ESS Linac Based on the Stacked Multi-Level Topology |
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- C.A. Martins, G. Göransson, M. Kalafatic
ESS, Lund, Sweden
- M. Collins
Lund Technical University, Lund, Sweden
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ESS has launched an internal R&D project in view of designing, prototyping and validating a klystron modulator compatible with the requirements based on a novel topology named SML (Stacked Multi-Level). This topology is modular and based on the utilization of High Frequency (HF) transformers. The topology allows for the usage of industrial standard power electronic components at the primary stage at full extent which can easily be placed and wired in a conventional electrical cabinet. It requires only few special components like HF transformers, rectifiers and filters (i.e. passive components) to be placed in an oil tank. This arrangement allows scaling up in average and pulse power to the required levels while keeping the size, cost, efficiency and reliability of the different modules under good control. Besides the very good output pulse power quality, the AC grid power quality is also remarkably high with a line current harmonic distortion below 3%, a unitary power factor and an extremely reduced line voltage flicker below 0.3%. A reduced scale modulator prototype has been built and validated experimentally.
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Slides TU2A02 [8.596 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-LINAC2016-TU2A02
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