Oscillatory nonhmic current drive for maintaining a plasma current

Patent · Wed Jan 01 00:00:00 EST 1986

OSTI ID:866007

Fisch, Nathaniel J ^[1]

---

1. Princeton, NJ

Apparatus and method of the invention maintain a plasma current with an oscillatory nonohmic current drive. Each cycle of operation has a generation period in which current driving energy is applied to the plasma, and a relaxation period in which current driving energy is removed. Plasma parameters, such as plasma temperature or plasma average ionic charge state, are modified during the generation period so as to oscillate plasma resistivity in synchronism with the application of current driving energy. The invention improves overall current drive efficiencies.

• Research Organization: Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
• DOE Contract Number: AC02-76CH03073
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4615861
• OSTI ID: 866007
• Country of Publication: United States
• Language: English

Related Subjects

oscillatory
nonhmic
current
drive
maintaining
plasma
apparatus
method
maintain
nonohmic
cycle
operation
generation
period
driving
energy
applied
relaxation
removed
parameters
temperature
average
ionic
charge
modified
oscillate
resistivity
synchronism
application
improves
overall
efficiencies
current drive
plasma current
plasma parameters
generation period
/376/