BHEL 600 MW Steam Turbine Generator – Supercritical Thermal Power Turbo-Generator Set | Made in India for Coal-Based Power Plants

BHEL 600 MW Steam Turbine Generator 

Overview

Key Features

• Rated Output: 600 MW at turbine terminals (625–630 MVA generator output)
• Steam Conditions:
  • Supercritical: 247 bar / 565°C (main steam)
  • Reheat: 565°C
• Thermal Efficiency: ~38–40% (higher than subcritical units)
• Turbine Configuration:
  • 1 High-Pressure (HP)
  • 1 Intermediate-Pressure (IP)
  • 2 Low-Pressure (LP) double-flow cylinders
• Generator: Hydrogen-cooled, brushless excitation, 0.85 PF
• Control System: BHEL’s Digital Electro-Hydraulic Control (DEHC) system

Technical Specifications

• Speed: 3,000 rpm (50 Hz grid)
• Cooling: Generator — Hydrogen + Water; Turbine — Steam-cooled blades
• Auxiliaries: Integrated boiler feed pumps, condensers, and gland steam systems
• Emission Compliance: Compatible with FGD and SCR retrofits for SOₓ/NOₓ control
• Standards: Designed per IEC, ASME, and BHEL internal codes

Ideal Applications

• Large coal-based thermal power stations (e.g., NTPC, state GENCOs)
• Supercritical power projects under national energy programs
• Grid-stabilizing baseload generation
• Retrofit and life-extension of existing 500 MW units