Tokamak GOLEM - Shot Database - #48780

Time stamp25-04-30 11:05:42The session missionExperiments/PlasmaRegimes/MinimumStabilizationFull steamThe session ID 48775 The discharge commentTest CST #48726 with more start negative value of voltage (-10Volt) on FG with very similar vaweformDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.bt_ecd "U_Bt=900,t_Bt=0,U_cd=350,t_cd=600,O_Bt='CW',O_cd='CW'" --infrastructure.workinggas "S_mod ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.62 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=9.68 mPa (\(p\sub{WG}\sup{request}\)= 10 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: \(U\sub{E\sub{cd}}\sup{request}\)=350 V@\(t\sub{cd}\sup{request}\)=600.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=35.93 ms (from:\(t\sub{start}\)=2.90 ms,to:\(t\sub{end}\)=38.83 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=4.75 ; \(\)=22.65 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.51 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.57 T
• Plasma current: \(\overline{I\sub{p}}\)=3.34 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=6.04 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Fast cameras Data flow:  Documentation:

Parameters:fr_ux100a=1200,height_ux100a=56,recrate_ux100a=40000,shotdur_ux100a=40,width_ux100a=1280,fr_ux100b=1

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=350,t_cd=600,O_Bt='CW',O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='H',p_H=10,U_v=22

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;5000,-2;9000,-10;16000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;5000,-2;10000,-10;13000,-20;16000,-10;30000,0'

Current stabilization POKUS2

Parameters :main_switch='on',waveform='1000,0;2000,0;15000,-10;16000,-8;17000,-6;18000,-4;19000,-2;20000,-1;21000,2;22000,4;23000,6;24000,8;25000,10;26000,12;27000,14;28000,16;29000,18;30000,14;31000,10;32000,6;33000,4;34000,2;35000,-4;36000,-8;37000,-12;38000,-16;39000,-18;40000,0;41000,0;42000,0;43000,0;44000,0;45000,0;46000,0;47000,0;48000,0;49000,0;50000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @