LINAC2014 - List of Keywords (shielding)

Paper	Title	Other Keywords	Page
TUPP021	A New Type of Waveguide Distribution for the Accelerator Module Test Facility of the European XFEL	klystron, cryomodule, cavity, operation	475
	V.V. Katalev, S. Choroba DESY, Hamburg, Germany E.M. Apostolov MicroPlus-Apostolov Ltd., Sofia, Bulgaria A.A. Seliverstov s.p.a. FERRITE Ltd., St.Petersburg, Russia
	In order to test 100 superconducting accelerator modules within two years three test benches have been created in the accelerator module test facility (AMTF) to achieve the rate of one cryomodule per week. Each RF station of the test facility consists of a 5 MW klystron, at 1.3 GHz, 1.37 ms pulse width and 10 Hz repetition rate, and a waveguide distribution system. Each waveguide distribution supplies RF power to eight cavities, four times a pair of cavities. The distribution allows for a maximum power of 1 MW per cavity when the distribution is switched to mode supplying power to only four cavities. A new type of 1 MW isolator and a new compact 5 MW power divider have been developed to achieve that goal. Several cryomodule have been already successfully tested with this setup. We present the waveguide distribution for this test stand and describe the performance of the different elements.

TUPP117	Commissioning of Vertical Test Stand Facility for 2 K Testing of Superconducting Cavities at RRCAT	cavity, radiation, controls, cryogenics	695
	S.C. Joshi, A. Chauhan, P. Fatnani, P.D. Gupta, M.K. Kumar, P.K. Kush, P. Mohania, S. Raghvendra, P. Shrivastava, S.K. Suhane RRCAT, Indore (M.P.), India
	Raja Ramanna Centre for Advanced Technology (RRCAT) has developed a 2K vertical Test Stand (VTS) facility for characterization of Superconducting RF (SCRF) cavities, under Indian Institution Fermilab Collaboration (IIFC). The VTS facility comprises of a large size liquid helium (LHe) cryostat, cryogenic system, RF power supply, control and data acquisition system and radiation monitoring system. It will facilitate testing of superconducting cavities of different frequencies ranging from 325 MHz low beta to 650 MHz / 1.3 GHz medium and high beta cavities. The helium vessel has a capacity to store up to 2900 litres of liquid Helium. The cryostat is installed inside a vertical pit. It is equipped with facilities for supply of liquid nitrogen and liquid helium and vacuum system for pumping out helium gas to lower the temperature of liquid helium bath down to 1.8 K. A 200 W, 1.3 GHz RF system has been indigenously developed for testing of the SCRF cavities. The VTS facility has now been commissioned and its performance validation has been successfully carried out by benchmarking it with respect to the facility at the Fermilab.

Paper

Title

Other Keywords

Page

TUPP021

A New Type of Waveguide Distribution for the Accelerator Module Test Facility of the European XFEL

klystron, cryomodule, cavity, operation

475

V.V. Katalev, S. Choroba
DESY, Hamburg, Germany
E.M. Apostolov
MicroPlus-Apostolov Ltd., Sofia, Bulgaria
A.A. Seliverstov
s.p.a. FERRITE Ltd., St.Petersburg, Russia

In order to test 100 superconducting accelerator modules within two years three test benches have been created in the accelerator module test facility (AMTF) to achieve the rate of one cryomodule per week. Each RF station of the test facility consists of a 5 MW klystron, at 1.3 GHz, 1.37 ms pulse width and 10 Hz repetition rate, and a waveguide distribution system. Each waveguide distribution supplies RF power to eight cavities, four times a pair of cavities. The distribution allows for a maximum power of 1 MW per cavity when the distribution is switched to mode supplying power to only four cavities. A new type of 1 MW isolator and a new compact 5 MW power divider have been developed to achieve that goal. Several cryomodule have been already successfully tested with this setup. We present the waveguide distribution for this test stand and describe the performance of the different elements.

TUPP117

Commissioning of Vertical Test Stand Facility for 2 K Testing of Superconducting Cavities at RRCAT

cavity, radiation, controls, cryogenics

695

S.C. Joshi, A. Chauhan, P. Fatnani, P.D. Gupta, M.K. Kumar, P.K. Kush, P. Mohania, S. Raghvendra, P. Shrivastava, S.K. Suhane
RRCAT, Indore (M.P.), India

Raja Ramanna Centre for Advanced Technology (RRCAT) has developed a 2K vertical Test Stand (VTS) facility for characterization of Superconducting RF (SCRF) cavities, under Indian Institution Fermilab Collaboration (IIFC). The VTS facility comprises of a large size liquid helium (LHe) cryostat, cryogenic system, RF power supply, control and data acquisition system and radiation monitoring system. It will facilitate testing of superconducting cavities of different frequencies ranging from 325 MHz low beta to 650 MHz / 1.3 GHz medium and high beta cavities. The helium vessel has a capacity to store up to 2900 litres of liquid Helium. The cryostat is installed inside a vertical pit. It is equipped with facilities for supply of liquid nitrogen and liquid helium and vacuum system for pumping out helium gas to lower the temperature of liquid helium bath down to 1.8 K. A 200 W, 1.3 GHz RF system has been indigenously developed for testing of the SCRF cavities. The VTS facility has now been commissioned and its performance validation has been successfully carried out by benchmarking it with respect to the facility at the Fermilab.