Comment: decrease quadrupole voltage

Golem shot: 8104

2012-04-06 - 013500



Basic parameters:
  • Chamber pressure pchamber : 2.74->9.89 mPa (request: 10 mPa)
  • Chamber temperature: 135 grad C
  • CBt capacitors ( mF) charged to: 1200 V
  • CBD capacitors (3.6 mF) charged to: 1200 V, triggered 2,0 ms after Bt
  • CCD capacitors (11.3 mF) charged to: 00 V, triggered 2,0 ms after Bt
  • CST capacitors (2.7 mF) charged to: 00 V, triggered 0,0 ms after Bt
  • charging log: t, UB, UBD, UCD, UDS, pchamber
  • Time since session beginning: 11210 s
Data (sampling frequency f s=1 MHz):
Plasma parameters:
  • Plasma life from 7.916 over 5.248 to 13.164 [ms]
  • Mean toroidal magnetic field Bt: 0.216 T
  • Mean plasma current: 0.8 kA
  • Mean Uloop: V
  • Break down voltage: 27.8 V
  • Plasma total charge: 4.4 C
  • Ohmic heating power: 5.3 kW
  • Q edge: 24.4
  • Central electron temperature: 22.0 eV

DAS:

Papouch_St

NIturbo.ONN
Diagnostics: (configuration)

MirnovCoils_JK

FastCamera

Analysis:

SafetyFactor_JK

Thanks to the specific help and