The third generation of the remote monitoring system for nuclear reactors in Bavaria

The first remote monitoring system for nuclear reactors (KFU) world-wide was commissioned in Bavaria in 1978. The purpose of remote monitoring of nuclear reactors is to continuously monitor, independent of the operator, important parameters to control the plant operation, the discharges of radioactive effluents, the meteorological conditions at the site and the radiological situation in the vicinity of the plant and to transmit these data to the supervisory authority. Progress in computer technology has stimulated improvements in the structure of the KFU and will continue to do so. Modern high-performance servers are linked in a local area network (LAN) in the Bavarian KFU of the third generation, having started operating recently. A Lagrangian atmospheric dispersion model has been implemented for the diagnosis of the actual radiological situation in the vicinity and the prognosis of the further development of this situation. Data exchange with the Federal authorities is possible, in principle. KFU data from off-site monitoring are also made available to the public.