Tokamak GOLEM - Shot Database - #38547

The date of discharge execution22-04-06 19:09:32 The session mission22 --> Plasma position stabilization The session ID38538 The discharge commentvert stab -20Discharge command./Dirigent.sh --discharge --UBt 1200 --TBt 0 --Ucd 450 --Tcd 350 --preionization 1 --gas H --pressure 6 --diagnostics.limitermirnovcoils "vacuum_shot=38525" --discharge.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='3000,0;7000,-20;20000,0;25000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;6000,0;22000,-2;25000,0'" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --ScanDefinition "38544 38545" --comment "vert stab -20"

Technological parameters Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0,95 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=6,05 mPa (\(p\sub{WG}\sup{request}\)= 6 mPa@\(X\sub{WG}\sup{request}\)=H ) Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=1200 V@\(t\sub{B\sub{t}}\sup{request}\)=0,0 us Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=450 V@\(t\sub{cd}\sup{request}\)=350,0 us

Plasma: Plasma: yes or no: ☑ Time parameters:\(\Delta t\sub{p}\)=17,99 ms (from:\(t\sub{start}\)=2,63 ms,to:\(t\sub{end}\)=20,62 ms)     Plasma parameters: Loop voltage:\(\overline{U\sub{loop}}\)\(\)=6,36 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=9,60 V; \(U\sub{breakdown}\)=10,11 V Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,43 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,60 T Plasma current: \(\overline{I\sub{p}}\)=3,44 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=4,27 kA; \(t\sub{Ip}\sup{max}\)=13,12 ms

Basic Diagnostics    

On stage diagnostics

Data flow	measurement →		digitization →		analysis →
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Other diagnostics

Data flow	measurement →		digitization →		analysis →
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Analysis

Name	Analysis results

Infrastructure

main_switch='on',radial_switch='on',vertical_waveform='3000,0;7000,-20;20000,0;25000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;6000,0;22000,-2;25000,0'

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Scan issues

for 38544 38545 + 38547

#38544     ./Dirigent.sh --discharge --UBt 1200 --TBt 0 --Ucd 450 --Tcd 350 --preionization 1 --gas H --pressure 6 --diagnostics.limitermirnovcoils "vacuum_shot=38525" --discharge.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='3000,0;7000,-20;20000,0;25000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;9000,-15;22000,-2;25000,0'" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --ScanDefinition "38540 38541 38542" --comment "vert stab -20 rad stab -15"
#38545     ./Dirigent.sh --discharge --UBt 1200 --TBt 0 --Ucd 450 --Tcd 350 --preionization 1 --gas H --pressure 6 --diagnostics.limitermirnovcoils "vacuum_shot=38525" --discharge.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='3000,0;7000,-20;20000,0;25000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;9000,-20;22000,-2;25000,0'" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --ScanDefinition "38540 38541 38542" --comment "vert stab -20 rad stab -20"
#38547     ./Dirigent.sh --discharge --UBt 1200 --TBt 0 --Ucd 450 --Tcd 350 --preionization 1 --gas H --pressure 6 --diagnostics.limitermirnovcoils "vacuum_shot=38525" --discharge.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='3000,0;7000,-20;20000,0;25000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;6000,0;22000,-2;25000,0'" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --ScanDefinition "38544 38545" --comment "vert stab -20"

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @