Some thoughts on magnet synchronization in the MAX IV 3 GeV storage ring
 
Last revised: June 12, 2012
 
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Abstract:
This note attempts to describe synchronization requirements for quadrupoles in the MAX IV 3 GeV storage ring when the optics have to compensate gap changes in strong insertion devices. The actual compensation procedure is described in detail in the DDR [1] and updated in MAX-lab Internal Note 20110117 [2]. It shall only be summarized briefly here. From this process we derive an estimate of how well different quadrupole power supplies have to be synchronized. Synchronization criteria for orbit correctors (slow and fast orbit correction) are not discussed in this note.
 
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