To the problem of development of the on-line cryogenic system for the T-15 tokamak

The T-15 tokamak cryogenic complex (CC) provides cooling and cryotatting of a number of superconducting (49 elements) and cryoresistive (36 elements) devices with a total heat duty of 2.3 kW at the 4.5 K, 0.7 kW at the 3.6 K and 165 kW at the 80 K. The system approach enables to elaborate optimum developing sequence. Algorithm of construction of complicated cryogenic systems was formulated. Sequence of the design from the analysis of specifications to complex regime customer tests is allowed in this algorithm. The following stages enter into the algorithm: stages of engineering development, development and utilization of estimated-theoretical and experimental-research base, independent tests of experimental cryogenic equipment and automatic control elements