1 / 8

EMMA RF Systems

EMMA RF Systems. RF Cavity Design ELBE Buncher Cavity Redesign for larger iris Implications. Outline. Costings IOT Amplifiers Klystron Option. ELBE RF Cavity. Cavity was designed By Andre Buchner (@ FZR) Optimised for maximum shunt impedance Q = 11900 (13750 calculated)

kirtana-devaj
Download Presentation

EMMA RF Systems

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. EMMA RF Systems EuroFEL DS5 Feedback Carl Beard

  2. RF Cavity Design ELBE Buncher Cavity Redesign for larger iris Implications Outline • Costings • IOT Amplifiers • Klystron Option EuroFEL DS5 Feedback Carl Beard

  3. ELBE RF Cavity • Cavity was designed By Andre Buchner (@ FZR) • Optimised for maximum shunt impedance • Q = 11900 (13750 calculated) • R/Q is 103 Ohm. • This gives 60 W for 12 kV (49 W calculated). • Water cooling is only on one side. • Frequency -0.33 kHz/W and a heating of 2 deg for 100 W • Temperature stability • 1 deg (water) caused a frequency shift of 22 kHz. EuroFEL DS5 Feedback Carl Beard

  4. ELBE RF Cavity (2) EuroFEL DS5 Feedback Carl Beard

  5. Cavity Redesign • Increase Beam pipe – Reduces shunt impedance • Increase in required RF Power • Input through N-type connector • Increase in Cooling capacity • Decrease in RF heating • Option to add cooling to other side. • Tuning system should also scale… • Cavity geometry being re-optimised EuroFEL DS5 Feedback Carl Beard

  6. Initial Calculations. EuroFEL DS5 Feedback Carl Beard

  7. IOT Amplifier • Proposed purchase of 8 IOT transmitters, including • IOT • Power Supplies • Drive Amplifier • Each Amplifier powers 3 RF cavities • Fast Downtime in the event of IOT failure. • Most parts are production items • More efficient • 8 IOT transmitters is a very Large system EuroFEL DS5 Feedback Carl Beard

  8. Klystron Option • A single High Power Klystron could power EMMA ring. • 1 item would be reduction in cost compared to the IOT system. • Plus reduction in space • High gain device • Smaller drive amplifier required. • High Voltage Power Supply Required • Replacement, equally as expensive. • Long downtime • Few Suppliers • Complicated RF distribution scheme EuroFEL DS5 Feedback Carl Beard

More Related