| Paper |
Title |
Page |
| WEPLS126 |
CNAO Resonance Sextupole Magnet Power Converters
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2670 |
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- M.F. Farioli, F. Burini, S. Carrozza, M. Cavazza, S. Minisgallo, M.P.C. Pretelli, G. Taddia
O.C.E.M. S.p.A., Bologna
- D. Bagnara, M. Spera, A. Tilli, M. Toniato
CASY, Bologna
- I. De Cesaris
CNAO Foundation, Milan
- M. Incurvati, C. Sanelli
INFN/LNF, Frascati (Roma)
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The CNAO Resonance Sextupole Magnet Power Converter requirements for the Storage Ring of the CNAO Project are described together with performance and initial operating experience. In particular the achieved performances will be compared with the specification and the extensive modelling that was done during the design phase. Not only the tight required performances were emphasized during the design phase but also particular attention was put on reliability and minimization of the repairing time (MTTR). Some fundamental criteria, like component de-rating and standardisation, have also been taken into account during the component choice phase. All converters adopt the switching technology with full digital control and a common control interface, that, as for the other CNAO power converters, uses the same digital controller, under licence from the Diamond Light Source.
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| WEPLS127 |
CNAO Storage Ring Dipole Magnet Power Converter 3000A / ±1600V
|
2673 |
| |
- M.P.C. Pretelli, F. Burini, S. Carrozza, M. Cavazza, M.F. Farioli, S. Minisgallo, G. Taddia
O.C.E.M. S.p.A., Bologna
- I. De Cesaris
CNAO Foundation, Milan
- M. Incurvati, C. Sanelli
INFN/LNF, Frascati (Roma)
- F. Ronchi, C. Rossi, M. Spera, M. Toniato
CASY, Bologna
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This paper will describe the design and simulations of the CNAO Dipole Power Converter rated 3000A / ±1600V. The Power Converter will feed the 16+1 synchrotron bending dipole magnets of the CNAO Storage Ring. The actual design confirms how the choice of a 24-pulses, 4 bridges series-parallel connected, active filter, bipolar voltage, meets the stringent requested technical specification ( 10-5 of maximum current for the output current residual ripple and setting resolution). The extensive modelling will also be presented. The design includes the strength of the topology design, component de-rating and component standardisation. As the other CNAO power converters, the Storage Ring Dipole Power Converter uses the same digital controller, under licence from the Diamond Light Source.
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