Solid-state power converter repeatability analysis

Gobbo, Anthony Dal; Aguglia, Davide

doi:10.1109/epe.2015.7311694

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2016

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“…Additionally, the proposed solution aims at respecting the very challenging high voltage pulse repeatability (10ppm short-term repeatability) for the Co mpact Linear Collider requirements [7]. As demonstrated in [8] switching power converters introduce repeatability related issues primarily due to the switches jitter. The Lo w Level RF Control (LLRF) can co mpensate for nonrepeatable high voltage pulses via feed-back loops.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of a hybrid bouncer system for high precision klystron modulators

Bonnin

Aguglia

2016

2016 IEEE International Power Modulator and High Voltage Conference (IPMHVC)

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In the framework of the development of pulsed klystron modulators for particle accelerators, this paper presents a complete study of a novel hybrid topology of a bouncer circuit used to compensate the voltage droop of the main capacitor bank. This topology allows to merge the advantages of the open loop passive L-C resonant bouncer topology with an active linear bouncer one. The resulting performances are of great interest for highly repeatable modulators. The solution improves the pulse shape correction made by the passive bouncer alone, leads to a lower sensitivity to parameters deviation and causes a limited level of losses. This paper establishes the merits of such a topology through analytical and numerical studies.

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Section: Introductionmentioning

confidence: 99%