TJ-II:Coil system - Revision history

Admin at 15:45, 15 July 2024

2024-07-15T15:45:24Z

← Older revision		Revision as of 17:45, 15 July 2024
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	The ohmic coils (OH) can generate a loop voltage of 0.1 V, intended to cancel spurious toroidal currents.		The ohmic coils (OH) can generate a loop voltage of 0.1 V, intended to cancel spurious toroidal currents.
	The radial coils (R) produce a trimming radial field of up to 100 G, intended to compensate stray fields.		The radial coils (R) produce a trimming radial field of up to 100 G, intended to compensate stray fields.

			Currents in the coil sets can be controlled in Autonomous Mode (or `A Mode') or Controlled Mode (or `C mode')<ref>A. de la Peña, L. Pacios, R. Carrasco, F. Lapayese,''A real-time current driving control system for the TJ-II coils'', [[doi:10.1016/j.fusengdes.2008.12.010\|Fusion Engineering and Design '''84''', Issues 2–6 (2009) 676-680]]</ref>.

	[[File:TJ-II_Coils.png\|800px\|thumb\|Center\|TJ-II Coils. Red: central. Yellow: helical. Blue: toroidal. Green: vertical. Brown and green: radial.]]		[[File:TJ-II_Coils.png\|800px\|thumb\|Center\|TJ-II Coils. Red: central. Yellow: helical. Blue: toroidal. Green: vertical. Brown and green: radial.]]

Admin at 08:21, 27 April 2024

2024-04-27T08:21:21Z

← Older revision		Revision as of 10:21, 27 April 2024
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	The [[TJ-II]] coil system is listed in the table below (in [[Toroidal coordinates\|cylindrical coordinates]]).		The [[TJ-II]] coil system is listed in the table below (in [[Toroidal coordinates\|cylindrical coordinates]]).
	All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.		All coils are circular, except the helical coil.
			They are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.
	All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>		All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>

Admin at 09:23, 26 April 2024

2024-04-26T09:23:17Z

← Older revision		Revision as of 11:23, 26 April 2024
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	[[File:TJ-II_Helical_coil.jpg\|400px\|thumb\|right\|The core coil pack consists of three coils: the circular core (CC), the helix 1 (HX1), and the helix 2 (HX2).]]		[[File:TJ-II_Helical_coil.jpg\|400px\|thumb\|right\|The core coil pack consists of three coils: the circular core (CC), the helix 1 (HX1), and the helix 2 (HX2).]]

	The [[TJ-II]] coil system is listed in the table below.		The [[TJ-II]] coil system is listed in the table below (in [[Toroidal coordinates\|cylindrical coordinates]]).
	All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.		All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.
	All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>		All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>

Admin at 09:09, 26 April 2024

2024-04-26T09:09:04Z

← Older revision		Revision as of 11:09, 26 April 2024
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	\|Toroidal (TF) \|\| 28 \|\| ''r'' = 0.425 \|\| ''R'' = 1.5 + 0.2825 cos(4φ) </br> ''Z'' = -0.2825 sin(4φ) \|\| 8		\|Toroidal (TF) \|\| 28 \|\| ''r'' = 0.425 \|\| ''R'' = 1.5 + 0.2825 cos(4φ) </br> ''Z'' = -0.2825 sin(4φ) \|\| 8
	\|-		\|-
	\|Toroidal (TF) \|\| 4 \|\| ''r'' = 0.475 \|\| ''R'' = 1.5 + 0.~~3225~~ cos(4φ) </br> ''Z'' = -0.~~3225~~ sin(4φ) </br> φ = 0, 90, 180, 270°\|\| 9		\|Toroidal (TF) \|\| 4 \|\| ''r'' = 0.475 \|\| ''R'' = 1.5 + 0.3325 cos(4φ) </br> ''Z'' = -0.3325 sin(4φ) </br> φ = 0, 90, 180, 270°\|\| 9
	\|-		\|-
	\|Vertical (VF) \|\| 2 \|\| ''R'' = 2.25 \|\| ''Z'' = &pm; 0.75 \|\| 16		\|Vertical (VF) \|\| 2 \|\| ''R'' = 2.25 \|\| ''Z'' = &pm; 0.75 \|\| 16

Admin at 09:07, 26 April 2024

2024-04-26T09:07:24Z

← Older revision		Revision as of 11:07, 26 April 2024
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	\|Circular (CC) \|\| 1 \|\| ''R'' = 1.5 \|\| ''Z'' = 0 \|\| 24		\|Circular (CC) \|\| 1 \|\| ''R'' = 1.5 \|\| ''Z'' = 0 \|\| 24
	\|-		\|-
	\|Helical (HX)<ref>J. Alonso and M. Blaumoser, ''Design and feasibility of the TJ-II hard core'', [[doi:10.1109/FUSION.1991.218810\|Fusion Engineering, 14th IEEE/NPSS Symposium (1991)]]</ref> \|\| 1 \|\| ''R'' = 1.5 <br> swing = 0.07 \|\| \|\| 24		\|Helical (HX)<ref>J. Alonso and M. Blaumoser, ''Design and feasibility of the TJ-II hard core'', [[doi:10.1109/FUSION.1991.218810\|Fusion Engineering, 14th IEEE/NPSS Symposium (1991)]]</ref> \|\| 1 \|\| ''R'' = 1.5 <br> swing = 0.07 \|\| ''Z'' = 0 \|\| 24
	\|-		\|-
	\|Toroidal (TF) \|\| 28 \|\| ''r'' = 0.425 \|\| ''R'' = 1.5 + 0.2825 cos(4φ) </br> ''Z'' = -0.2825 sin(4φ) \|\| 8		\|Toroidal (TF) \|\| 28 \|\| ''r'' = 0.425 \|\| ''R'' = 1.5 + 0.2825 cos(4φ) </br> ''Z'' = -0.2825 sin(4φ) \|\| 8

Admin at 08:58, 26 April 2024

2024-04-26T08:58:19Z

← Older revision		Revision as of 10:58, 26 April 2024
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	{\| class="wikitable" align="center" border="1"		{\| class="wikitable" align="center" border="1"
	!''Coil'' !! ''Number'' !!''Size (m)''!! ''Turns''		!''Coil'' !! ''Number'' !!''Size (m)''!! ''Position (m) '' !! ''Turns''
	\|-		\|-
	\|Circular (CC) \|\| 1 \|\| ''R'' = 1.5 \|\| 24		\|Circular (CC) \|\| 1 \|\| ''R'' = 1.5 \|\| ''Z'' = 0 \|\| 24
	\|-		\|-
	\|Helical (HX)<ref>J. Alonso and M. Blaumoser, ''Design and feasibility of the TJ-II hard core'', [[doi:10.1109/FUSION.1991.218810\|Fusion Engineering, 14th IEEE/NPSS Symposium (1991)]]</ref> \|\| 1 \|\| ''R'' = 1.5 <br> swing = 0.07 \|\| 24		\|Helical (HX)<ref>J. Alonso and M. Blaumoser, ''Design and feasibility of the TJ-II hard core'', [[doi:10.1109/FUSION.1991.218810\|Fusion Engineering, 14th IEEE/NPSS Symposium (1991)]]</ref> \|\| 1 \|\| ''R'' = 1.5 <br> swing = 0.07 \|\| \|\| 24
	\|-		\|-
	\|Toroidal (TF) \|\| 28 \|\| ''r'' = 0.425 \|\| 8		\|Toroidal (TF) \|\| 28 \|\| ''r'' = 0.425 \|\| ''R'' = 1.5 + 0.2825 cos(4φ) </br> ''Z'' = -0.2825 sin(4φ) \|\| 8
	\|-		\|-
	\|Toroidal (TF) \|\| 4 \|\| ''r'' = 0.475 \|\| 9		\|Toroidal (TF) \|\| 4 \|\| ''r'' = 0.475 \|\| ''R'' = 1.5 + 0.3225 cos(4φ) </br> ''Z'' = -0.3225 sin(4φ) </br> φ = 0, 90, 180, 270°\|\| 9
	\|-		\|-
	\|Vertical (VF) \|\| 2 \|\| ''R'' = 2.25 \|\| 16		\|Vertical (VF) \|\| 2 \|\| ''R'' = 2.25 \|\| ''Z'' = &pm; 0.75 \|\| 16
	\|-		\|-
	\|Compensation (OH) \|\| 2 \|\| ''R'' = 0.78 \|\| 20		\|Compensation (OH) \|\| 2 \|\| ''R'' = 0.78 \|\| ''Z'' = &pm; 0.75 \|\| 20
	\|-		\|-
	\|Compensation (OH) \|\| 2 \|\| ''R'' = 2.29 \|\| 1		\|Compensation (OH) \|\| 2 \|\| ''R'' = 2.29 \|\| ''Z'' = &pm; 0.75 \|\| 1
	\|-		\|-
	\|Radial (R) \|\| 2 \|\| ''R'' = 0.74 \|\| 7		\|Radial (R) \|\| 2 \|\| ''R'' = 0.74 \|\| ''Z'' = &pm; 0.75 \|\| 7
	\|-		\|-
	\|Radial (R) \|\| 2 \|\| ''R'' = 2.24 \|\| 5		\|Radial (R) \|\| 2 \|\| ''R'' = 2.24 \|\| ''Z'' = &pm; 0.75 \|\| 5
	\|}		\|}

Admin at 12:22, 30 May 2018

2018-05-30T12:22:29Z

← Older revision		Revision as of 14:22, 30 May 2018
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	The [[TJ-II]] coil system is listed in the table below.		The [[TJ-II]] coil system is listed in the table below.
	All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.		All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.
	All coils have a reinforced structure to avoid mechanical deformations.		All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>

	{\| class="wikitable" align="center" border="1"		{\| class="wikitable" align="center" border="1"
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	\|Circular (CC) \|\| 1 \|\| ''R'' = 1.5 \|\| 24		\|Circular (CC) \|\| 1 \|\| ''R'' = 1.5 \|\| 24
	\|-		\|-
	\|Helical (HX) \|\| 1 \|\| ''R'' = 1.5 <br> swing = 0.07 \|\| 24		\|Helical (HX)<ref>J. Alonso and M. Blaumoser, ''Design and feasibility of the TJ-II hard core'', [[doi:10.1109/FUSION.1991.218810\|Fusion Engineering, 14th IEEE/NPSS Symposium (1991)]]</ref> \|\| 1 \|\| ''R'' = 1.5 <br> swing = 0.07 \|\| 24
	\|-		\|-
	\|Toroidal (TF) \|\| 28 \|\| ''r'' = 0.425 \|\| 8		\|Toroidal (TF) \|\| 28 \|\| ''r'' = 0.425 \|\| 8
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	* [[TJ-II:Power supply]]		* [[TJ-II:Power supply]]
	* [[TJ-II:Magnetic field]]		* [[TJ-II:Magnetic field]]

			== References ==
			<references />

Admin at 17:31, 7 January 2015

2015-01-07T17:31:45Z

← Older revision		Revision as of 19:31, 7 January 2015
Line 2:		Line 2:

	The [[TJ-II]] coil system is listed in the table below.		The [[TJ-II]] coil system is listed in the table below.
	All coils are directly [[TJ-II:~~cooling~~ system\|cooled]] by water flowing trough longitudinal holes in the conductors.		All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.
	All coils have a reinforced structure to avoid mechanical deformations.		All coils have a reinforced structure to avoid mechanical deformations.

Admin: /* See also */

2009-10-11T11:28:49Z

Admin at 07:26, 5 October 2009

2009-10-05T07:26:08Z

← Older revision		Revision as of 09:26, 5 October 2009
Line 31:		Line 31:
	The ohmic coils (OH) can generate a loop voltage of 0.1 V, intended to cancel spurious toroidal currents.		The ohmic coils (OH) can generate a loop voltage of 0.1 V, intended to cancel spurious toroidal currents.
	The radial coils (R) produce a trimming radial field of up to 100 G, intended to compensate stray fields.		The radial coils (R) produce a trimming radial field of up to 100 G, intended to compensate stray fields.

			[[File:TJ-II_Coils.png\|800px\|thumb\|Center\|TJ-II Coils. Red: central. Yellow: helical. Blue: toroidal. Green: vertical. Brown and green: radial.]]

	== See also ==		== See also ==

	* [[TJ-II:Power supply]]		* [[TJ-II:Power supply]]

← Older revision		Revision as of 10:21, 27 April 2024
Line 2:		Line 2:

	The [[TJ-II]] coil system is listed in the table below (in [[Toroidal coordinates\|cylindrical coordinates]]).		The [[TJ-II]] coil system is listed in the table below (in [[Toroidal coordinates\|cylindrical coordinates]]).
	All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.		All coils are circular, except the helical coil.
			They are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.
	All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>		All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>

← Older revision		Revision as of 11:23, 26 April 2024
Line 1:		Line 1:
	[[File:TJ-II_Helical_coil.jpg\|400px\|thumb\|right\|The core coil pack consists of three coils: the circular core (CC), the helix 1 (HX1), and the helix 2 (HX2).]]		[[File:TJ-II_Helical_coil.jpg\|400px\|thumb\|right\|The core coil pack consists of three coils: the circular core (CC), the helix 1 (HX1), and the helix 2 (HX2).]]

	The [[TJ-II]] coil system is listed in the table below.		The [[TJ-II]] coil system is listed in the table below (in [[Toroidal coordinates\|cylindrical coordinates]]).
	All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.		All coils are directly [[TJ-II:Cooling system\|cooled]] by water flowing trough longitudinal holes in the conductors.
	All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>		All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529\| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref>

← Older revision		Revision as of 13:28, 11 October 2009
Line 37:		Line 37:

	* [[TJ-II:Power supply]]		* [[TJ-II:Power supply]]
			* [[TJ-II:Magnetic field]]