2. TCM PS – SPS Thyratron Power Trigger Consolidation
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

3. PS-SPS Thyratron Power Trigger Consolidation
About me
Enrique de Nicolas Lumbreras 25 years, Spanish
Industrial Engineering 5 years degree:
Bachelor degree in General Engineering (Materials, Electrical, Mechanical, Energy…)
Master degree in Electronics and Automation
One and a half years experience working on Power Electronics Research
One paper presented in Congress (SAAEI 2016)
Small experience in Industry: 3 months working as a Control Engineer
Spanish Trainee (FTEC) in TE-ABT under the supervision of Mr. Etienne Carlier
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

4. PS-SPS Thyratron Power Trigger Consolidation
Introduction:
What is a Thyratron?
Switch with the same operating as the thyristor (SCR)
Based on gas ionization technology
Suitable for high power applications with short switching times
Thyristor
Thyratron
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

5. PS-SPS Thyratron Power Trigger Consolidation
Project:
Pulse Forming Network
Thyratron
Kicker magnets
Trigger Amplifier
The objective of this project consist in:
Analysis of the different types of Thyratron triggering systems actually in operation
Design, development and prototyping of a new system compatible with all the different existing configurations
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

6. Systems actually in operation
Power Mos HV trigger amplifier
Implemented in the PS complex
3.5kV pulse
1600V Mos/IGBT Thyratron Trigger G2
Implemented in the SPS complex
1.6kV pulse
400V IGBT Thyratron Trigger G1
Implemented in the SPS complex
400V pulse
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

7. Power Mos HV trigger amplifierLV HV
DC/DC
Buck converter
Resonant Power Supply
Transformer
10:110
Mosfet Trigger 1
Line AC DC
Mosfet Trigger 2
Control
Mosfet Trigger 3
Based on the HV capacitor discharge technique
It`s needed to trigger all the modules to recharge
the capacitors
3.5kV pulse
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

8. 1600V Mos/IGBT Thyratron Trigger
Switch
Voltage Divider
Protection
DC HV
Power Supply
Simplier system
Extra Power supply is needed
Switches block the HV all the time
Less Triggering frequency due to the
bigger capacitor charging time
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

9. 400V IGBT Thyratron Trigger
Switch
Voltage Divider
Protection
DC HV
Power Supply
Simplier system
Extra Power supply is needed
Mosfets block the HV all the Time
Less Triggering frequency due to the
bigger capacitor charging time
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

10. PS-SPS Thyratron Power Trigger Consolidation
Systems comparison
Power Mos HV Trigger Amplifier Advantages:
More frequency due to the smaller capacitor (input) charging time.
Less stress on the Switches, Mosfets doesn’t block the voltage all the time.
No extra Power Supply is needed.
1600 V Mos/IGBT Thyratron Trigger and 400V IGBT Thyratron Trigger Advantages:
Simpler system.
It`s not needed to trigger all the modules to recharge the capacitors.
Power Mos HV Trigger Amplifier
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

11. PS-SPS Thyratron Power Trigger Consolidation
Proposed solution:
DC/DC
Converter
Resonant Power Supply
Transformer
Mosfet Trigger 1
Line
Mosfet Trigger 2
Control
Mosfet Trigger 3
Design a new Trigger Amplifier based on Power Mos HV trigger amplifier
Adapt the pulse voltage with the DC/DC converter of the power supply
3 different output voltages: 3.5kV, 1600V and 400V
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

12. PS-SPS Thyratron Power Trigger Consolidation
Proposed solution:
DC/DC
Converter
Resonant Power Supply
Transformer
Mosfet Trigger 1
Line
Mosfet Trigger 2
Control
Mosfet Trigger 3
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

13. PS-SPS Thyratron Power Trigger Consolidation
Future approach
Work Done
Analysis of the different types of power triggering systems actually in operation
Proposal a Trigger amplifier which could be suitable for all systems
Measure the values of the transformers and how its affects to the systems
Work to do
Finish to collect the specifications of the new system
Design, development and prototyping the new system
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation

14. Thanks for your attention!!!
18/10/2016
PS-SPS Thyratron Power Trigger Consolidation