Reactivity control devices

Constructing PWR plants - Primary equipment

Figure 1 - Tank (Fessenheim PWR)

Figure 2 - Tank sealing

Figure 3 - 900 MW and EPR™ adapter assembly

Figure 4 - Tank manifold design

Figure 5 - Segregations in shells obtained from a solid ingot and a hollow ingot

Figure 6 - General view of internal equipment

Figure 7 - Internal equipment

Figure 9 - Electromagnetically operated mechanism

Figure 10 - Forced circulation steam generator (REP Babcok and Wilcox Co.)

Figure 11 - Natural circulation steam generator (Framatome PWR)

Figure 12 - Axial economizer steam generator

Figure 13 - Temperature program for recirculating GV with and without economizer

Figure 14 - Four-loop primary circuit

Figure 16 - Controlled leakage shaft seal pumps (Framatome)

Figure 17 - N4 pressurizer and EPR™ pressurizer

Figure 18 - Overpressure protection system