SIEMENS SGT5-400DLE Gas Turbine – 540 MW Combined-Cycle Turbine - 2016

The SIEMENS SGT5-400DLE (2016) gas turbine is a premium solution for simple-cycle and combined-cycle power generation in large-scale industrial applications. With a robust two-shaft configuration, advanced materials, and air-cooled turbine blades, the unit offers dependable high output and long service intervals.

Equipped with Siemens’ SPPA-T3000 control system, the turbine provides real-time performance diagnostics, predictive maintenance capability, and advanced remote monitoring. Its dry low emission (DLE) technology ensures compliance with the most stringent global NOx standards, achieving high efficiency without compromising environmental performance.

This turbine delivers simple-cycle outputs up to 350 MW and combined-cycle capacity up to 540 MW, making it ideal for utility-scale installations.

Technical Specifications:
– Model: Siemens SGT5-400DLE
– Manufacture Year: 2016
– Turbine Type: Heavy-duty industrial gas turbine
– Application: Simple-cycle and combined-cycle power generation
– Design Configuration: Two-shaft axial flow with 4-stage air-cooled turbine
– Compressor Type: Axial-flow
– Compressor Stages: 15
– Compression Ratio: ~20:1
– Cooling System: Air-cooled with active blade cooling
– Combustion System: Dry Low Emissions (DLE) combustion for ultra-low NOx
– Turbine Blade Material: High-temperature-resistant alloys for improved durability
– Control System: Siemens SPPA-T3000 digital automation suite
– Automation Features:
 • Real-time diagnostics
 • Performance optimization
 • Remote monitoring and control
 • Predictive maintenance features

Power Output (ISO conditions):
– Simple Cycle: ~290 MW – 350 MW
– Combined Cycle: ~460 MW – 540 MW

Efficiency:
– Simple Cycle Efficiency: ~38–40%
– Combined Cycle Efficiency: ~60–62%

Emissions Compliance:
– Designed to meet EU Stage V, EPA Tier 4, and other international standards
– NOx emissions typically ≤15 ppmvd @ 15% O₂ (without water injection)

Dimensions:
– Length: Approx. 14.0 meters
– Width: Approx. 3.1 meters
– Height: Approx. 4.3 meters
– Weight: Approx. 40,000 kg (excluding auxiliary systems)
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