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Evtouchenko, Yu.

Paper Title Page
TUHO05

 Power Supplies for the Bending Magnets of the BEP and VEPP-2000 Storage Ring 

  • K.M.Gorchakov, Yu.A.Evtouchenko, V.R.Kozak, A.S.Medvedko, S.P.Petrov, R.Z.Pronik, O.A.Proskurina, V.P.Prosvetov, S.S.Vasichev, V.F.Veremeenko
    Budker Institute of Nuclear Physics, Novosibirsk, Russia

Two power supply systems for bending magnets of the buster ring BEP and for the collider VEPP-2000 are described. The power supply for bending magnets of buster ring BEP has reversible current polarity with maximal current up to 10kA and maximal voltage up to 340V. Current instability is better than 50ppm. System is designed like a combination of eight thyristor rectifier modules and their passive filters joined in parallel to organize twelve ; pulse rectifier. System is equipped with the 10kA thyristor bridge to reverse the current polarity. The power supply for the collider VEPP-2000 consists of two thyristor rectifier modules and their passive filters joined in parallel. This power supply has unidirectional output current of up to 10kA with maximal output voltage 120V. Current instability is better than 10ppm. Precise DAC and ADC modules for control and measurements are essential parts of the systems. Parameters, interesting schematics and tests results should be presented.

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