GLOSSARY

ECCS definition

Published by a LexisNexis Energy expert

What does ECCS mean?

Emergency Core Cooling System: Comprises a series of systems that are designed to safely shut down a nuclear reactor during accident conditions. Under normal conditions, heat is removed from a nuclear reactor by condensing steam after it passes through the turbine. In a boiling water reactor, condensed steam (water) is fed back into the reactor. In a pressurised water reactor, it is fed back through the heat.

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