Internal equipment
Constructing PWR plants - Primary equipment
Article REF: BN3270 V2
Internal equipment
Constructing PWR plants - Primary equipment

Authors : Daniel DESTRE, Jean-Pierre IZARD

Publication date: January 10, 2012, Review date: September 21, 2015 | Lire en français

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3. Internal equipment

This refers to the equipment inside the vessel, with the exception of the nuclear fuel.

Internal equipment performs the following functions

  • support and lateral holding of fuel assemblies ;

  • guidance of control clusters and instrumentation ;

  • coolant distribution to fuel assemblies and structures to be cooled.

3.1 Description

The internal equipment of PWRs comprises two sub-assemblies that can be extracted from the vessel (figure 6 ):

  • lower internal equipment ;...

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