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Method and apparatus for maintaining equilibrium in a helical axis stellarator

Patent ·
OSTI ID:866265
 [1];  [2]
  1. Princeton, NJ
  2. Rocky Hill, NJ
+ Show Author Affiliations

Apparatus for maintaining three-dimensional MHD equilibrium in a plasma contained in a helical axis stellerator includes a resonant coil system, having a configuration such that current therethrough generates a magnetic field cancelling the resonant magnetic field produced by currents driven by the plasma pressure on any given flux surface resonating with the rotational transform of another flux surface in the plasma. Current through the resonant coil system is adjusted as a function of plasma beta.

Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ
DOE Contract Number:
AC02-76CH03073
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4668464
OSTI ID:
866265
Country of Publication:
United States
Language:
English

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Related Subjects

/376/
adjusted
apparatus
axis
axis stellarator
beta
cancelling
coil
configuration
contained
current
current therethrough
currents
driven
equilibrium
field
field produced
flux
flux surface
function
generates
helical
helical axis
magnetic
magnetic field
maintaining
method
mhd
plasma
plasma pressure
pressure
produced
resonant
resonant coil
resonating
rotational
rotational transform
stellarator
stellerator
surface
therethrough
three-dimensional
transform