Basic Diagnostics

[Template source]

    Basic parameters:

  • Chamber pressure pchamber : 1.04-> 5.05 mPa (request: 5 mPa)
  • Chamber temperature: N/A C
  • CBt capacitors ( 23 mF) charged to: 1400 V, triggered 5.0 ms
  • CBD capacitors (3.6 mF) charged to: 0 V, triggered 5.0 ms
  • CCD capacitors (11.3 mF) charged to: 400 V, triggered 7.0 ms
  • CST capacitors (2.7 mF) charged to: 0 V, triggered 5.0 ms
  • Time since session beginning: 3:18:09 h

    Plasma parameters:

  • Plasma life time 8.2 [ms] (from 9.8 to 18.1)
  • Mean toroidal magnetic field Bt: 0.34 T
  • Mean plasma current: N/A kA
  • Mean Uloop: N/A V
  • Break down voltage: 11.2 V
  • Ohmic heating power: N/A kW
  • Q edge: 38.2
  • Central electron temperature: 19.2 eV

Diagnostics:

List of available data in Pygolem [data_configuration.cfg]

Identifier

Description

wwwcomment Discharge pre-comment
Qedge Mean of Q edge
BreakDownBt Toroidal mag. field during breakdown
MeanBt Mean of toroidal magnetic field
st Charging voltage of capacitors for stabilization magnetic field coils
PhotodHalfa Light intensity measured by photodiode with H-alpha filter
PlasmaStart Time of plasma lifespan beginning
PreIonization Pre-Ionization
st Time delay between torroidal mag. field and stabilization magnetic field capacitors discharge
b Time delay of torroidal mag. field
ElectronConfinementTimeFirstApprox First approximation of electron confinement time
BreakDownVoltage Loop voltage during breakdown
PlasmaTimeLength Time of plasma lifespan
BreakDownTime Time of breakdown
Photod Light intensity measured by photodiode
Qedge Safety factor
MeanPhotod Mean of light intensity measured by photodiode
xmass Horizontal plasma position
bd Charging voltage of capacitors for breakdown magnetic field coils
IrogowskiMax Maximum of current measured by Rogowski coil
Btoroidal Toroidal magnetic field
ElectronTemperature Electron temperature
Plasma Breakdown was successful if True
bd Time delay between torroidal mag. field and breakdown magnetic field capacitors discharge
Aktual_TermoclanekNaKomore Actual chamber temperature
GreenwaldDensity Greenwald density
StateEqElectronDensity Approximation of electron density through equilibrium state
pressure_setting_mPa Requested gas pressure before discharge
PlasmaEnd Time of plasma lifespan end
power Plasma output power
ChamberResistance Chamber resistance
Aktual_PfeifferMerkaVakua Actual gas pressure before discharge
BtMax Maximum of toroidal magnetic field
TotalCharge Total charge
b Charging voltage of capacitors for toroidal magnetic field coils
Initial_PfeifferMerkaVakua Initial gas pressure before gas filling
ElectronTemperature Electron temperature
MeanPlasmaCurrent Mean of plasma current
PlasmaTotalCharge Total plasma charge
Iplasma Plasma current
Irogowski Current measured by Rogowski coil
cd Charging voltage of capacitors for current drive transformer primary winding
Uloop Loop voltage
MeanUloop Mean of loop voltage
Aktual_Time Time since session beginning
H2filling Working gas filling
cd Time delay between torroidal mag. field and current drive capacitors discharge
ymass Vertical plasma position
OhmicHeatingPower Ohmic heating power
UloopMax Maximum of loop voltage

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