Investigation to improve efficiency and availability in control and operation of superconducting cavity at ESS
(2016) 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams, HB 2016 In HB 2016 - Proceedings of the 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams p.474-479- Abstract
The higher efficiency and higher availability (fault-tolerant oriented) of RF & Cavity system (with beam loading) to operate at, the more dynamic details needs to be identified, so as to have the abilities (a) to work at nonlinearities, (b) to work close to limitation, and (c) to change operation point quickly and correctly. Dynamic detail identifications rely heavily on high precision measuring and characterizing basic cavity parameters (QL, R/Q, dynamic detuning, phase and amplitude) and system behaviours under beam-RF-cavity interactions. It is especially challenging to characterize these dynamics under varying operating points or environment. Advanced technologies in LLRF and ICS providing real time/online... (More)
The higher efficiency and higher availability (fault-tolerant oriented) of RF & Cavity system (with beam loading) to operate at, the more dynamic details needs to be identified, so as to have the abilities (a) to work at nonlinearities, (b) to work close to limitation, and (c) to change operation point quickly and correctly. Dynamic detail identifications rely heavily on high precision measuring and characterizing basic cavity parameters (QL, R/Q, dynamic detuning, phase and amplitude) and system behaviours under beam-RF-cavity interactions. It is especially challenging to characterize these dynamics under varying operating points or environment. Advanced technologies in LLRF and ICS providing real time/online characterizing will be the key enablers for addressing such challenges. However, to be successful, the deployment of these technologies must be embedded within local conditions taking into account available resources, existing hardware/software structures and operation modes. Several improvement approaches will be introduced. For example, 15% or more energy efficiency improvement at ESS will be obtained by reduction of power overhead and optimization of operation.
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- author
- Zeng, Rihua LU and Troeng, Olof LU
- organization
- publishing date
- 2016-08-01
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- host publication
- HB 2016 - Proceedings of the 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams
- series title
- HB 2016 - Proceedings of the 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams
- pages
- 6 pages
- publisher
- JACoW Publishing
- conference name
- 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams, HB 2016
- conference location
- Malmo, Sweden
- conference dates
- 2016-07-03 - 2016-07-08
- external identifiers
-
- scopus:85081099195
- ISBN
- 9783954501854
- language
- English
- LU publication?
- yes
- id
- 85e12eba-749b-4cda-8eb0-a4db6a0991c8
- alternative location
- https://accelconf.web.cern.ch/hb2016/papers/tham4x01.pdf
- date added to LUP
- 2022-04-04 09:45:25
- date last changed
- 2022-04-04 17:00:59
@inproceedings{85e12eba-749b-4cda-8eb0-a4db6a0991c8, abstract = {{<p>The higher efficiency and higher availability (fault-tolerant oriented) of RF & Cavity system (with beam loading) to operate at, the more dynamic details needs to be identified, so as to have the abilities (a) to work at nonlinearities, (b) to work close to limitation, and (c) to change operation point quickly and correctly. Dynamic detail identifications rely heavily on high precision measuring and characterizing basic cavity parameters (Q<sub>L</sub>, R/Q, dynamic detuning, phase and amplitude) and system behaviours under beam-RF-cavity interactions. It is especially challenging to characterize these dynamics under varying operating points or environment. Advanced technologies in LLRF and ICS providing real time/online characterizing will be the key enablers for addressing such challenges. However, to be successful, the deployment of these technologies must be embedded within local conditions taking into account available resources, existing hardware/software structures and operation modes. Several improvement approaches will be introduced. For example, 15% or more energy efficiency improvement at ESS will be obtained by reduction of power overhead and optimization of operation.</p>}}, author = {{Zeng, Rihua and Troeng, Olof}}, booktitle = {{HB 2016 - Proceedings of the 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams}}, isbn = {{9783954501854}}, language = {{eng}}, month = {{08}}, pages = {{474--479}}, publisher = {{JACoW Publishing}}, series = {{HB 2016 - Proceedings of the 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams}}, title = {{Investigation to improve efficiency and availability in control and operation of superconducting cavity at ESS}}, url = {{https://accelconf.web.cern.ch/hb2016/papers/tham4x01.pdf}}, year = {{2016}}, }