To satisfy the demand for more high energy, high brightness x-ray sources at the Advanced Light Source (ALS), a plan is in place to replace three 1.3 Tesla normal conducting bending magnets with three 5 Tesla superconducting magnets (Superbends) in the year 2001. This will result in 12 new x-ray beam lines (four from each superbend) for users. The Superbend sources will be an order of magnitude higher in x-ray brightness and flux at 12 keV than the conventional 1.3 Tesla bending magnets. The Superbend project is a major upgrade to the ALS where the 3 superconducting magnets will be an integral part of the machine lattice. In this paper we discuss the current status of the Superbend projectas well as precomissioning studies prior to the 2001 installation for users.
Abstract-DFBX distribution boxes provide cryogenic and electrical services to superconducting quadrupoles and to a superconducting dipole at either end of four of the long straight sections in the LHC.The DFBX boxes also provide instrumentation and quench protection to the magnets. Current for the quadrupole and the dipole magnet is delivered through leads that combine HTS and gas cooled leads. Current for the 600 A and 120 A correction magnets is provided by pure gascooled leads. The bus bars from the leads to the magnets pass through low leak-rate lambda plugs between 1.8 K and 4.4 K. The heat leak into the 1.9 K region from the liquid helium tank is determined by the design of the lambda plugs. This paper describes the DFBX boxes and their function of delivering current and instrumentation signals to the magnets.
8.9.9. Quantities _nd locations of Data Acquisition system components . 8-99 8.9.10 Commissioning the DAQ system (installation, integration and testing) .
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