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For this International Project among its various procurements, the Italian National Agency for New Technology Energy and Sustainable Economic Development (ENEA) is providing: four AC/DC converters for the central solenoid superconducting magnets (CS1, CS2, CS3 and CS4 PSs rated ±20 kA and ±1 kV); two AC/DC converters for the Equilibrium Field superconducting magnets (EF1 and EF6 PSs rated in the range +10 kA -20 kA and ±1 kV); and two AC/DC converters Fast Plasma Position Control Coils (rated ±5 kA and ±1 kV). Furthermore, ENEA is also providing six converter transformers of which: four dry type for FPPCC PSs and two oil type for CS PSs. These systems, being procured by ENEA through a contract signed in August 2013 with Industrial Suppliers (Poseico and Jema in Join-Venture), have been already constructed and they are in advanced testing phase. 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  1. 学会発表・講演等
  2. ポスター発表

Type Tests of JT-60SA Central Solenoid / Equilibrium Field (CS/EF) Super-Conducting Magnet Power Supplies

https://repo.qst.go.jp/records/72300
https://repo.qst.go.jp/records/72300
6ca1faef-76ab-43f1-b4d5-8772e5312f0d
Item type 会議発表用資料 / Presentation(1)
公開日 2017-04-26
タイトル
タイトル Type Tests of JT-60SA Central Solenoid / Equilibrium Field (CS/EF) Super-Conducting Magnet Power Supplies
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_c94f
資源タイプ conference object
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Zito, Pietro

× Zito, Pietro

WEKO 712126

Zito, Pietro

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Lampasi, Alessandro

× Lampasi, Alessandro

WEKO 712127

Lampasi, Alessandro

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Novello, Luca

× Novello, Luca

WEKO 712128

Novello, Luca

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Hatakeyama, Shoichi

× Hatakeyama, Shoichi

WEKO 712129

Hatakeyama, Shoichi

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Matsukawa, Makoto

× Matsukawa, Makoto

WEKO 712130

Matsukawa, Makoto

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Shimada, Katsuhiro

× Shimada, Katsuhiro

WEKO 712131

Shimada, Katsuhiro

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Portesine, Marco

× Portesine, Marco

WEKO 712132

Portesine, Marco

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Dorronsoro, Ander

× Dorronsoro, Ander

WEKO 712133

Dorronsoro, Ander

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Vian, Dionisio

× Vian, Dionisio

WEKO 712134

Vian, Dionisio

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Celaya, Koldo

× Celaya, Koldo

WEKO 712135

Celaya, Koldo

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畠山 昭一

× 畠山 昭一

WEKO 712136

en 畠山 昭一

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松川 誠

× 松川 誠

WEKO 712137

en 松川 誠

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島田 勝弘

× 島田 勝弘

WEKO 712138

en 島田 勝弘

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抄録
内容記述タイプ Abstract
内容記述 JT-60SA is a Superconducting Tokamak in the framework of the Broader Approach Agreement between Europe and Japan. For this International Project among its various procurements, the Italian National Agency for New Technology Energy and Sustainable Economic Development (ENEA) is providing: four AC/DC converters for the central solenoid superconducting magnets (CS1, CS2, CS3 and CS4 PSs rated ±20 kA and ±1 kV); two AC/DC converters for the Equilibrium Field superconducting magnets (EF1 and EF6 PSs rated in the range +10 kA -20 kA and ±1 kV); and two AC/DC converters Fast Plasma Position Control Coils (rated ±5 kA and ±1 kV). Furthermore, ENEA is also providing six converter transformers of which: four dry type for FPPCC PSs and two oil type for CS PSs. These systems, being procured by ENEA through a contract signed in August 2013 with Industrial Suppliers (Poseico and Jema in Join-Venture), have been already constructed and they are in advanced testing phase. The basic devices of a CS/EF PS consist in: a thyristors rectifier or base PS, a converter transformer, a crowbar (to protect by over-voltages and/or over-currents); whereas the load of the CS/EF PS is a Super-Conducting Magnet, whose purpose is the generation of strong magnetic fields able to induce and confine the plasma current in a prefixed geometrical configuration. This requires that the control system of CS/EF PSs is able to comply with a reference current profile, known as “scenario”. The scenarios are particularly critical in these systems for the high currents required and hence for the high magnetic energy stored. The installed total electric power in JT-60SA is about 400 MVA, with a peak of reactive power equal to 330 MVAR and an energy consumption up to 1.5 GJ. The main characteristics of CS/EF base thyristor rectifier are: 4-quadrant AC/DC converter 12-pulses with circulating current in back-to-back configuration, with a DC current of ±20 kA, a DC voltage of 1 kV and an accuracy of ±1%. The design phase was completed in 2015, the construction of all EF/CS PSs was completed in 2016 whereas all PSs were tested in 2016 except EF PSs that are currently ongoing. All performed type tests were carried out both in closed loop feedback current control and in open loop feed forward voltage control and in accordance to the IEC60146 Standards. The electric load used for these tests the consists of three inductances connected in series, whole resulting values of 3.3mH and 3mΩ. The measure electric scheme is fed by the 30kV electric power grid and by an autotransformer, that offers the possibility to increase or decrease the voltage that is going to the converter transformers, that power the EF/CS PS. These tests, made at full current, pointed out a good dynamic behaviour of the control system both for forward and for reverse rectifier bridges, assuring the smooth transitions between different operating modes: single mode, circulating current mode and dual mode. This is the focus of the paper. The complete systems will be delivered to Japan by 2017.
会議概要(会議名, 開催地, 会期, 主催者等)
内容記述タイプ Other
内容記述 27th IEEE Symposium on Fusion Engineering (SOFE-2017)
発表年月日
日付 2017-06-04
日付タイプ Issued
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