Grieco, G M

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Custom HV and LV Supplies for LHC ExperimentsGiovanni M. GriecoC.A.E.N. S.p.A., Via Vetraia 11. I-55049 Viareggio, Italyemail: GRIECO@CAEN.ITAbstractCAEN has strongly invested its resources, in the last three years, in the development of aPower Supply system (SY1527) totally dedicated to LHC applications. The firstapplications of this system, currently under test at CERN Electronics Pool, include bothstandard boards and custom supplies. The standard boards technology, acquired byCAEN in 20 years of experience, is now employed in the development of custom systemsthat allow to power up both the various detectors and the relevant front end electronics.The radiation and magnetic field levels impose on all the remote distributed systemsseveral design criteria, including safe and reliable operation. Existing custom suppliesand new architectures, based on the new SY1527 system, both for high and low voltagegeneration and distribution in presence of moderated radiation and magnetic fields levels,will be presented. Power dissipation issues in the experimental halls are critical. Newsolutions for a more efficient energy transfer are under study, in particular for whatconcerns low voltage supplies.

Custom HV and LV supplies for LHC experiments

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