Application of the Tritium Remote Control and Monitoring System (TRECAMS) to TFTR's Tritium Inventory Management Program

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Abstract
TFTR has a stringent program to manage and account for its tritium inventory. In support of this a tritium inventory accounting capability has been implemented on TRECAMS. This was an ideal approach because TRECAMS is a high reliability system that monitors the necessary parameters, i.e. temperatures, pressures, valve positions, etc., to track the movement of tritium. It also has a powerful set of utilities which support such an application. This paper describes the application of TRECAMS to monitor the transfer of tritium between the Uranium Beds (UBEDs), the Tritium Gas Delivery Manifold (TGDM), 14 Tritium Use Point holding volumes, and the TFTR torus. Peal time data is presented to the TFTR operators using graphical displays and trends. An event driven program automatically collects the data before and after tritium transfers, calculates differences and sums, tabulates the data and provides printed reports. The reports include summaries of tritium deliveries, bleedback operations, injections, a daily summary of delivery/bleedback activities, and a daily summary of injection activities. All reference data is archived and can be reproduced in a plotted or tabular format. This data can be displayed or printed by the TFTR Shift Supervisor's VAX workstation or by anyone with an account on the laboratory's VAX cluster.

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