- Author
-
Tossavainen, K.
- Title
- Operation of Finnish Nuclear Power Plants. 2nd Quarterly Report.
- Coporate
- Finnish Center for Radiation and Nuclear Safety, Helsinki, Finland
- Report
-
STUK-B-YTO-90
December 1991
30 p.
- Distribution
- Available from National Technical Information Service
- Keywords
-
nuclear power plants
|
safety
- Abstract
- In the Quarterly Reports on the operation of the Finnish nuclear power plants such events and observations are described relating to nuclear and radiation safety which the Finnish Center for Radiation and Nuclear Safety considers safety significant. Also other events of general interest are reported. The report also includes a summary of the radiation safety of the plants' workers and the environment, as well as tabulated data on the production and load factors of the plants. The Finnish nuclear power plant units Loviisa 1 and 2 as well as TVO I and II were in operation for almost the whole second quarter of 1991. Longer interruptions in electricity generation were caused by the annual maintenances of the TVO plant units. The load factor average was 87.4%. In consequence of a fire, which broke out in the switchgear building, connections to both external grids were lost and TVO II relied on power supplied by four back-up diesels for 7.5 hrs. The event is classified as Level 2 on the International Nuclear Event Scale.