Turbine for nuclear applications ARABELLE series


for nuclear applications
Other characteristics
combined-cycle, reaction, expansion
Rated power kW

Max.: 1,900,000 kW
(2,583,280.19 hp)

1,080,000 kW, 1,750,000 kW
(1,468,390.85 hp, 2,379,337.02 hp)

Min.: 700,000 kW
(951,734.81 hp)


GE’s Arabelle turbine is the most powerful nuclear steam turbine in operation. Suiting all reactors type, from 700MW up to 1,900MW, the Arabelle is highly efficient, reliable, and cost effective.

reliability over 400,000 operating hours

60 years
proven technology

Advanced and innovative steam turbine technology
The Arabelle nuclear steam turbine suits power outputs ranging from 700 MW to 1,900 MW. Arabelle has been the largest turbine in operation worldwide for the past 20 years and has two units in China which each produce up to 1,750 MW.

Adapted for all rector types
Fully adaptable steam path
• For any backpressure conditions

More power with the 1900 MW steam turbine
Our Arabelle nuclear steam turbine features:
• A compact, powerful, efficient and reliable turbine
• 60 percent of the power comes from highly efficient single flow expansion
• A unique combined HP/IP module
• Standard interface/footprint for 50 Hz and 60 Hz

Arabelle LP size configured for all site conditions
• A range of last-stage blade sizes for each frequency (50 Hz and 60 Hz)
• The largest last stage blade in operation (LSB69)
• The largest last stage blade in construction (LSB75)
• Proven blade design with demonstrated reliability
• Two, three or four LP modules for excellent back-pressure fit

Designed for ease of maintenance
• Cross-under pipes below the foundation for reduced maintenance duration and costs
• Large lay-down areas alongside the LP modules
• Easier adjustment of LPs with independent structure
• Compact arrangement with fewer bladed rows

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