The fault mechanism of interturn short-circuit in generator rotor windings and the theory of wavelet analysis are analyzed.

States the general structure of rotor of turbogenerator and causes of interturn short-circuit in rotor wingings.

Electromagnetic characteristic after interturn short-circuit fault occurs in generator rotor winding is analyzed and the feature of fault identification is obtained.

Analysis of the turn-to-turn short circuit of turbo generator rotor windings and its treatment;

Online Monitoring of the Rotor Turn-to-turn Short Circuit;

Research and design on 750 kV parallel connection reactor new theories of the turn-to-turn short circuit and single phase earthing protection;

Rotor inter-turn short circuit fault diagnosis based on the change of amplitude and phase angle;

There are many techniques for checking and testing the rotor winding,especially the inter-turn short circuit fault,but most of them are not so perfect that it is difficult to identify the fault at its earlier stage.

A novel scheme is proposed to position the slot of distributed polar rotor where the inter-turn short circuit occurs.

Application of wavelet analysis on fault diagnosis of interturn short circuit in rotor windings;

On line detecting of interturn short circuit and temperature in rotor winding were intruduced in this paper.

Electromagneic characteristic of the interturn short circuit in turbo-generator rotor windings is analyzed.

Analysis of turn to turn short circuit of 50MW hydrogen inner cooled generator rotor winding;

Based on the analysis of fault mechanism especially the magnetic characteristics of turn to turn short circuit of rotor windings in turbo generator, the relationship between fault magnitude and loss of effective magnetic field is derived.