Steam Turbine & Auxiliary Systems R&M
- Comprehensive retrofit of HP, IP, and LP steam turbines, including complete steam‑path refurbishment with advanced blade profiles, diaphragms, seals, and casing interfaces to restore design clearances, reduce internal leakages, and improve overall turbine efficiency.
- Retrofitting of advanced piston gland and sealing systems across HP, IP, and LP turbines to minimize steam leakages, reduce air ingress, and enhance sealing effectiveness, contributing directly to improved condenser vacuum and reduced cycle losses.
- Heat‑rate improvement‑focused turbine modernization, achieved through optimized HP–IP–LP flow path design, reduction of throttling and leakage losses, improved extraction control, and better utilization of steam energy across turbine stages.
- Upgradation of turbine auxiliary and vacuum systems, including gland steam system, exhausters, and associated auxiliaries, to strengthen condenser vacuum, improve exhaust conditions, and support sustained efficiency improvement under normal operating conditions.
- Improvement of extraction steam systems and interfaces, ensuring efficient heat transfer to feedwater heaters, stable operation, and minimized extraction‑related losses across the turbine cycle.
- Modernization of turbine auxiliary systems, including lubrication oil, seal oil, control fluid, piping, valves, supports, and associated C&I systems, aimed at reducing auxiliary losses, improving reliability, and enhancing long‑term operability.
- Overall cycle performance enhancement, delivering measurable heat‑rate improvement, improved turbine and auxiliary efficiency, minimized operational losses, and extended service life in line with NTPC’s R&M objectives and operating philosophy.
