Title :
Optimising the start-up of a 10Hz booster power supply
Author :
Griffith, S.A. ; Dickenson, P. ; Smith, R.J.
Author_Institution :
Daresbury Lab., CLRC, Warrington, UK
Abstract :
The Synchrotron Radiation Source (SRS) at Daresbury Laboratory has a 600MeV Booster, fed by an energy storage power supply configuration (White Circuit). The design consists of two power supplies : an AC source to supply the losses to the parallel resonant circuits and a DC supply to fully bias the AC sinewave. In a recent modernisation of the control electronics, different methods of achieving reliable synchronisation of the AC source on switch-on have been investigated. The circuitry must deal with the high Q value of the resonant circuits and variation in resonant frequency with both ambient temperature and the applied DC current. This paper presents the different designs explored to improve the efficiency of start-up and discusses the problems encountered. The chosen design and test results are detailed with recommendations for future investigations
Keywords :
AC-DC power convertors; booster injectors; electron accelerators; linear accelerators; power supplies to apparatus; thyristor convertors; 600 MeV; AC sinewave; AC source; Booster; DC supply; Q value; Synchrotron Radiation Source; White Circuit; control electronics; energy storage power supply configuration; parallel resonant circuits; reliable synchronisation; resonant circuits; Frequency conversion; Inverters; Laboratories; Open loop systems; Oscillators; Power supplies; RLC circuits; Resonance; Resonant frequency; Thyristors;
Conference_Titel :
Particle Accelerator Conference, 2001. PAC 2001. Proceedings of the 2001
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-7191-7
DOI :
10.1109/PAC.2001.988215
