NDLI: Nsls-ii Booster Power Supplies Control

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Nsls-ii Booster Power Supplies Control

Content Provider	Semantic Scholar
Author	Cheblakov, P. Karnaev, Sergey Louie, W. Tian, Y.
Copyright Year	2011
Abstract	A special set of devices was developed at BNL for the NSLS-II magnetic system Power Supplies (PSs) control [1]: Power Supply Controller (PSC) and Power Supply Interface (PSI). PSI is placed close to current regulators and is connected to the PSC via fiber-optic 50 Mbps data link. PSC communicates with EPICS IOC (Input/Output Controller) through a 100 Mbps Ethernet port. The main function of IOC includes ramp curve upload, ADC waveforms data download, and various process variables control. The 256 Mb DDR2 memory on PSC provides storage for up to 16 ramping tables for both DAC channels, and a 20-second waveform record for all ADC channels. The 100 Mbps Ethernet port enables real time display for 4 ADC waveforms. The NSLS-II booster PSs are divided into two groups: ramping PSs, which provide passage of the beam during the beam ramp in the booster from 200 MeV up to 3 GeV in 300 ms time interval, and pulsed PSs, which provide beam injection from the linac and extraction to the Storage Ring. This paper describes a project of the NSLS-II booster PSs control. Characteristic features for the ramping magnets control and pulsed magnets control in a doubleinjection mode of operation are considered in the paper.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://accelconf.web.cern.ch/accelconf/icalepcs2011/posters/wepms020_poster.pdf
Alternate Webpage(s)	http://accelconf.web.cern.ch/accelconf/icalepcs2011/papers/wepms020.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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