About: Power supplies for plasma column control in COMPASS tokamak

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Description	The main magnetic fields in COMPASS – i.e. The Toroidal, Magnetising, Equilibrium, and Shaping Fields – are created by a set of four corresponding thyristor power supplies controlled in a 0.5 ms loop.The plasma position has to be controlled both radially and vertically by two additional magnetic fields provided by two fast amplifiers (FAs) based on MOSFET technology, each supplying 100 V and up to 5 kA.Currently, an ongoing project aims at ELM triggering by fast changes of the vertical position of the plasma column, also referred to as vertical kicks. For this purpose, a new Vertical Kicks Power Supply (VKPS) capable of quick change of vertical plasma position is being constructed. This power supply should operate at up to 1.2 kV with switching frequency up to 5 kHz. It is designed as a H-bridge but based on IGBT transistors which can be operated at higher voltages than MOSFETs.We focus on the FAs and VKPS engineering design and required output parameters. The main magnetic fields in COMPASS – i.e. The Toroidal, Magnetising, Equilibrium, and Shaping Fields – are created by a set of four corresponding thyristor power supplies controlled in a 0.5 ms loop.The plasma position has to be controlled both radially and vertically by two additional magnetic fields provided by two fast amplifiers (FAs) based on MOSFET technology, each supplying 100 V and up to 5 kA.Currently, an ongoing project aims at ELM triggering by fast changes of the vertical position of the plasma column, also referred to as vertical kicks. For this purpose, a new Vertical Kicks Power Supply (VKPS) capable of quick change of vertical plasma position is being constructed. This power supply should operate at up to 1.2 kV with switching frequency up to 5 kHz. It is designed as a H-bridge but based on IGBT transistors which can be operated at higher voltages than MOSFETs.We focus on the FAs and VKPS engineering design and required output parameters. (en)
Title	Power supplies for plasma column control in COMPASS tokamak Power supplies for plasma column control in COMPASS tokamak (en)
skos:prefLabel	Power supplies for plasma column control in COMPASS tokamak Power supplies for plasma column control in COMPASS tokamak (en)
skos:notation	RIV/61389021:_____/13:00396517!RIV14-MSM-61389021
http://linked.open...avai/predkladatel	Ústav fyziky plazmatu AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(7G10072), P(GAP205/11/2470), P(LM2011021), S
http://linked.open...iv/cisloPeriodika	9-10
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Mikulín, Ondřej Junek, Pavel Peroutka, Oldřich Pánek, Radomír Havlíček, Josef Hron, Martin Cahyna, Pavel Šesták, David Vondráček, Petr Janky, Filip Tadros, Momtaz
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	98025
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/13:00396517
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	tokamak; Power supplies; Feedback control; Vertical displacement; Vertical kicks (en)
http://linked.open.../riv/klicoveSlovo	tokamak Feedback control Power supplies Vertical displacement Vertical kicks
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[E32D1580206C]
http://linked.open...i/riv/nazevZdroje	Fusion Engineering and Design
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	11 (xsd:int)
http://linked.open...cetTvurcuVysledku	12 (xsd:int)
http://linked.open...vavai/riv/projekt	COMPASS-RI - Contribution to operation and baseline human resources of the COMPASS tokamak - a large research infrastructure of European impact Joint carrying out by the Contracting Parties of activities within the thematic area %22fusion energy research%22 of the Seventh Community (Euratom) Framework Program Control of ELM size and frequency using externally imposed changes of the plasma position in the COMPASS tokamak
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	88
http://linked.open...iv/tvurceVysledku	Havlíček, Josef Pánek, Radomír Hron, Martin Janky, Filip Vondráček, Petr Cahyna, Pavel Šesták, David Hauptmann, R. Junek, Pavel Mikulín, Ondřej Peroutka, Oldřich Tadros, Momtaz
http://linked.open...ain/vavai/riv/wos	000326903200041
issn	0920-3796
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.fusengdes.2013.02.040

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