Abstract

This paper presents an optimal design procedure for pulse transformers fed by power converters for supplying pulsed current magnets in particle accelerators. Usually their volume must be minimized because of limited space available in the accelerator tunnel. Analytical and numerical models are presented as well as an experimental validation and a real case study where the design tool is exploited to derive a wide variety of solutions depending on the pulse transformers location with respect to the magnet position.

Highlights

  • In particle accelerators magnets are often used to control the trajectory of the particles beam

  • This paper presents an optimal design procedure for pulse transformers fed by power converters for supplying pulsed current magnets in particle accelerators

  • Analytical and numerical models are presented as well as an experimental validation and a real case study where the design tool is exploited to derive a wide variety of solutions depending on the pulse transformers location with respect to the magnet position

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Summary

Introduction

In particle accelerators magnets are often used to control the trajectory of the particles beam. The space inside the tunnel is quite limited, and the power converter is placed tens, or even hundreds, of meters away from the magnet, in an upper floor of the same building, or even in a different building. Carrying very high current in long cables or strip-lines implies high cost cables and power converter. Considering the lack of literature on the design of such kind of pulsed power transformers [1], this paper presents a dedicated optimal design procedure. It is of primary importance to correctly specify the pulse transformer in order to leave the designer maximum freedom for optimization while considering the minimal functional specifications. The magnetizing inductance specification must be considered as a minimal value requirement, considering the maximal overcurrent allowed from the power converter for magnetizing the pulse transformer

Transformer ratio
Voltage insulation
Design model experimental validation
Conclusion
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