Nuclear Power Plant I and C activities in Hungary

In the first part the paper introduces the status of the nuclear energy in Hungary. In the second chapter the upgrading and backfitting activities performed during last two years are indicated in the following items: System improvements and new system installations; reconstruction of the core monitoring system; upgrading of the radiation monitoring system; activities for increasing of the seismic safety; installation of an ultrasonic reactor pressure vessel test equipment. System and equipment upgrading; application of qualified transmitters; replacement of the limit value monitors in the non-safety-related systems; upgrading of the refueling machine; upgrading of the diagnostic system on units 1 and 2; expansion of the simulation range of the full scope simulator; control rod drive inspection equipment; other upgradings and modifications under progress. The upgrading of the core monitoring system as a largest project of the plant is shown in details. In the third part the paper gives a short introduction into the I and C activities at the research reactor of the Atomic Energy Research Institute of Hungary. Finally the authors give a picture about future concepts of the NPP Paks. (author). 4 figs