Analysis and control of low cycle fatigue damage of N125 steam turbine rotor in Huangpu Thermal Power Plant;

The influence made by the central hole of steam turbine rotor to temperature and stress distribution of rotor;

Recurrence algorithm of thermal stress monitoring on line for steam turbine rotors;

It is proven that the rotor of steam turbine can be protected from permanent bending by means of cylinder holding.

Nonlinear analysis of turbine rotor vibration faults;

On-line calculation model of thermal stress of steam turbine rotor based on integrated modular modeling software;

Taking into consideration the four typical fault signals of turbine rotor vibration, including rubbing, loosening, misalignment and mass unbalance, collected from the Bently experiment set, the method combining wavelet packet and Kolmogorov entropy is introduced to carry out the classification and diagnosis.