LAUSR.org creates dashboard-style pages of related content for over 1.5 million academic articles. Sign Up to like articles & get recommendations!

Design and Results of Arc Power Feedback of Ion Source Under EAST-NBI Long Pulse Operation

Photo from wikipedia

The fundamental requirements for experimental advanced superconducting tokamak neutral beam injection (EAST-NBI) are high power and long pulse. The electrostatic probe’s inherent properties, which affect the probability of electrode ignition,… Click to show full abstract

The fundamental requirements for experimental advanced superconducting tokamak neutral beam injection (EAST-NBI) are high power and long pulse. The electrostatic probe’s inherent properties, which affect the probability of electrode ignition, cause the extraction beam current to decrease with increasing extraction time in the probe feedback mode of arc power. A power feedback technique of arc power supply is suggested to stabilize the beam current and lengthen the extraction time. The output power of the arc power supply is adjusted via feedback to keep the plasma density in the arc chamber largely steady by multiplying the output voltage and current. The beam current decrease in the arc power feedback mode is substantially smaller than that of the probe feedback, which is helpful for extending the extraction time.

Keywords: long pulse; east nbi; power; arc power; power feedback; feedback

Journal Title: IEEE Transactions on Plasma Science
Year Published: 2023

Link to full text (if available)


Share on Social Media:                               Sign Up to like & get
recommendations!

Related content

More Information              News              Social Media              Video              Recommended



                Click one of the above tabs to view related content.