SYSTEM FOR ESTIMATION OF STEAM TURBINE SECTIONAL EFFICIENCY (VERSIONS) Russian patent published in 2016 - IPC G01M15/00 

FIELD: turbines.

SUBSTANCE: systems and methods of estimating an efficiency of a section of a steam turbine are disclosed. Systems and methods include determining a set of measurement data obtained directly from a set of sensors on steam turbine, determining a set of derived data relating to measurements that cannot be obtained directly from set of sensors, and estimating efficiency of section using set of measurement data and set of derived data. Systems and methods disclosed use physics-based models combined with nonlinear filtering techniques to estimate steam turbine efficiency when physical sensors are not available. Said models capture behaviour of different components of power plant, including all steam turbine sections, admission and crossover pipes, flow junctions, admission and control valves.

EFFECT: technical result of invention is high efficiency of generating energy and lower operating costs.

20 cl, 2 dwg