NuScale US600 (50 MWe)
61.2 %
η Xh · Tc = 31 °C · 7 turbine stages
NuScale US460 (77 MWe)
52.4 %
η Xh · Tc = 28 °C · 4 turbine stages
Gap
−8.8 pts
Mainly Turbine 4 US460 (15.5 %)
Source / SG
Turbines
Condenser
FWH
Other
T₀ = 15 °C, Tk = 335 °C. US600: Tc = 31 °C (model). US460: Tc = 28 °C (0.038 bar, air-cooled condenser, NRC SDAA).
Turbine 4 (US460) alone: 15.5 % — wet steam at 0.581 bar, quality 0.885, pressure ratio 8.3.