Many thanks to Emmanuele Michal and the GSITeam

1. Operational Behavior of SIS 100 2. Study of Failure Cases 3. Further Work

1. Operational Behavior of SIS 100 Power Converter 1 Power Converter 2 To make

1. Operational Behavior of SIS 100 max di/dt = 28000 A/s 5

1. Operational Behavior of SIS 100 Before fast power abort After fast power abort

1. Operational Behavior of SIS 100 Rising up of Voltage Plateau up of Voltage

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort

2. 1 Failure in Energy Extraction System Ø First Energy Extraction will not open

2. 1 Failure in Energy Extraction System • Two energy extraction will not opend

2. 1 Failure in Energy Extraction System • Oscillations after past power abort 20

1. 1 Parallel Resistor to Magnet Each 18 magnets have the same frequency! 25

1. 1 Parallel Resistor to Magnet Each 18 magnets have the same frequency! 26

1. 2 Conclusion of EE Failure Cases Failure in one EE Failure in two

3. Further Work - Think about more failure cases in SIS 100 circuit that

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Many thanks to Emmanuele, Michal and the GSI-Team for the support! Transients in SIS 100 - Simulation at CERN Dimitri Delkov 31. 07. 2020

1. Operational Behavior of SIS 100 2. Study of Failure Cases 3. Further Work 2

1. Operational Behavior of SIS 100 2. Study of Failure Cases 3. Further Work 3

1. Operational Behavior of SIS 100 Power Converter 1 Power Converter 2 To make the circuit more symmetrical. Avoid voltage overshoot in the „Power Converters“ 4

1. Operational Behavior of SIS 100 max di/dt = 28000 A/s 5

1. Operational Behavior of SIS 100 Before fast power abort After fast power abort 6

1. Operational Behavior of SIS 100 Rising up of Voltage Plateau up of Voltage Rising down of Voltage Ø all magnets have the same frequency at a certain time (before fast power abort) 7

1. Operational Behavior of SIS 100 Rising up of Voltage Plateau up of Voltage Ø different frequencies at a certain time (after fast power abort) 8

1. Operational Behavior of SIS 100 Before fast power abort After fast power abort 9

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 10

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 11

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 12

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 13

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 14

1. 1 Parallel Resistor to Magnet 15

1. 1 Parallel Resistor to Magnet 16

1. Operational Behavior of SIS 100 2. Study of Failure Cases 3. Further Work 17

2. 1 Failure in Energy Extraction System Ø First Energy Extraction will not open during a quench (fast power abort) Ø Last Energy Extraction will not open during a quench (fast power abort) 18

2. 1 Failure in Energy Extraction System • Two energy extraction will not opend 19

2. 1 Failure in Energy Extraction System • Oscillations after past power abort 20

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 21

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 22

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 23

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 24

1. 1 Parallel Resistor to Magnet Each 18 magnets have the same frequency! 25

1. 1 Parallel Resistor to Magnet Each 18 magnets have the same frequency! 26

1. 1 Parallel Resistor to Magnet Before fast power abort After fast power abort 27

1. 2 Conclusion of EE Failure Cases Failure in one EE Failure in two EE 28

1. Operational Behavior of SIS 100 2. Study of Failure Cases 3. Further Work 29

3. Further Work - Think about more failure cases in SIS 100 circuit that can appeared - Inductance calculation of busbars 30

Thank you for your attention 31