Zaporizhzhya NPP: Unit 5 is being put into cold shutdown - IAEA
Kyiv • UNN
Unit 5 of Zaporizhzhya NPP is being switched from hot to cold shutdown. The transition to cold shutdown began on November 20
The fifth power unit of the temporarily occupied Zaporizhzhya NPP is being switched from hot shutdown to cold shutdown. shutdown". This was stated by Director General of the International Atomic Energy Agency (IAEA) Rafael Director General of the International Atomic Energy Agency (IAEA) Rafael Mariano Grossi, reports UNN.
Details
It is noted that this is done in order to be able to determine the cause of boron detection in the cooling circuit.
SEE ALSO: "It's a matter of time before an accident happens" - Galushchenko about ZNPP
After the cold shutdown, ZNPP will conduct tests to determine why low levels of boron were detected in the secondary cooling circuit of one of the unit's steam generators low levels of boron were detected in the secondary cooling circuit of one of the unit's steam generators
After the fifth unit was put into "cold shutdown" mode, the only one of the six reactors will remain in the hot shutdown mode. of the plant's six reactors will remain in operation for steam generation and heating.
Context
The transition of the reactor unit to cold shutdown mode began on November 20, 2015. shutdown" began on November 20. It was scheduled to be completed the following day, November 21. The concentration of boron in the broken cooling circuit, as reported by the IAEA, does not exceed the technical limits.
Reference
A "cold shutdown" is a safe state of a nuclear reactor reactor when it is shut down and has low pressure and temperature of the cooling water. cooling water. In a hot shutdown, the water is heated by the idle reactor. reactor.
