Tokamak GOLEM - Shot Database - #48722

Time stamp25-04-24 17:50:20The session missionExperiments/PlasmaRegimes/MinimumStabilizationFull steamThe session ID 48712 The discharge commentCurrent stab with mainly positive values and try small negative values of voltage in functgen, start stabilization 10msDischarge command/Dirigent.sh --discharge --operation.discharge "style='remote',voice='on',analysis='on'" --infrastructure.bt_ecd "U_Bt=900,t_Bt=0,U_cd=375,t_cd=600,O_Bt='CW',O_cd='CW'" --infrastru ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.56 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=14.80 mPa (\(p\sub{WG}\sup{request}\)= 15 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=900 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=375 V@\(t\sub{cd}\sup{request}\)=600.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=20.49 ms (from:\(t\sub{start}\)=3.03 ms,to:\(t\sub{end}\)=23.52 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=6.38 ; \(\)=29.24 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.39 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.54 T
• Plasma current: \(\overline{I\sub{p}}\)=4.13 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=4.93 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Off stage diagnostics

Mirnov coils @ Limiter Data flow:  Documentation:

Analysis

Name	Analysis results

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=900,t_Bt=0,U_cd=375,t_cd=600,O_Bt='CW',O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='H',p_H=15,U_v=22

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;6000,-10;11000,0;16000,-10;21000,-18;30000,0',vertical_switch='on',vertical_waveform='1000,0;6000,-10;11000,-12;16000,-13;21000,-3;30000,0'

Current stabilization POKUS

Parameters :main_switch='on',waveform='1000,0;4000,0;5000,0;8000,0;10000,-4;12000,-2;14000,-1;16000,2;18000,4;20000,6;22000,8;24000,10;26000,12;28000,14;30000,16;32000,18;34000,20;38000,0'

Acknowledgement

---

Thanks to the specific help

The tokamak GOLEM controll SW @