INES Levels
INES N/A 
INES 4
INES 0
INES 5
INES 1
INES 6
INES 2
INES 7
INES 3

INES 0: Deviation

No safety significance

(Arrangements for reporting minor events to the public differ from country to country. Also, it is difficult to ensure precise consistency in rating events between INES Level-1 and Below scale/Level-0)

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INES-event
INES 0

REACTOR SCRAM DUE TO A FIRE OF SECOND CATEGORY OF RELIABILITY BUSES

During normal power operation a fire detector reported a fire of 0,4kV bus of the second category of reliability buses. The operational personnel shut down the reactor using scram button of emergency command 1.
BASIS FOR RATING:
DIFFICULTIES IN RATING:

Category: Power Reactor Czech Republic Dukovany »

INES-event
INES 0

LEAKAGE IN THE UNDERGROUND TUBE OF THE INTERMEDIATE COOLING CIRCUIT

see attachment in German
BASIS FOR RATING:
DIFFICULTIES IN RATING:

Category: Power Reactor Germany Krümmel »

INES-event
INES 0

AUTOMATIC PLANT SHUTDOWN DUE TO AN EARTHQUAKE

At 01.01 when the plant was on full load an earthwuake occurred of a mignitude of 2.7 Richter Scale causing activation of a level switch on the low pressure FW heaters causing their isolation. Due to loss of a suction pressure the main FW pumps A and D tripped followed by manual power reduction. After manually restarting main FW pump B the steam generator level increased and reached high level trip setpont causing turbine trip-reactor trip from 243 MWe at 01.07.
BASIS FOR RATING: There was no on-site or off-site impact.

Category: Power Reactor Krško Slovenia »

INES-event
INES 0

FAILURE OF THE MAIN FEEDWATER PUMP DUE TO ABSENCE OF REQUALIFICATION TEST AFTER MAINTENANCE

During annual plant inspection which had been started in April of this year, the reactor was automatically shutdown due to signal "SG water level abnormally low". This event occurred during preparation of power generation following the reactor restart.

Category: Power Reactor Japan »