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Temperatures measured at the bottom of the Unit 3 Reactor Pressure Vessel at Fukushima Daiichi Nuclear Power Station
Here are the measurement results of temperatures at the bottom of the Unit 3 Reactor Pressure Vessel at Fukushima Daiichi Nuclear Power Station.
For reference: The following is the “Limiting Conditions of Operations” designated in the implementation plan for temperatures
at the bottom of the Reactor Pressure Vessel:
・Temperature at the bottom of the Reactor Pressure Vessel: Within 80℃
- On March 26, 2021, temperatures at 3 points (TE-2-3-69L1, TE-2-3-69L2 and TE-2-3-69L3) in the Bottom Head section of the Unit 3 Reactor Pressure Vessel (RPV) were excluded from planned data monitoring. Accordingly, “Temperature measurement points (Figure)” have been updated.
- Data may change or be missing due to equipment failure or regular inspections.
- Temperature may change due to change of water injection flow rate to the reactor.
Instrument equipment is removed, installed or inspected for regular inspections at Unit 1 - 4.
During the work period, the indicated value will fluctuate or be absent, but the equipment will return to a measureable state at a defined time.