The contribution and trasmission of fault information are investigated, then the recognizing problem of similar and dissimilar faults is solved.

Based on thorough analysis of the abnormal malfunctions caused by negligence in software development and incorrect on-site configuration,corresponding solution is brought forward,and the introduction of software engineering testing into substation automation system is approached to perfect the testing job.

Mechanical fault classification using nonlinear discriminant analysis;

Research on Method of Hydraulic System s Fault Feature Extraction & Fault Classification Based on Wavelet Theory;

Gear fault classification based on Gaussian mixture model and wavelet packet energy

The traditional current protection is easily effected by the running conditions and fault pattern across to its principle,while the auto-adaptive current protection can overcome these defects.

Describes the fault patterns of sensors and presents their mathematical functions.

Study on fault line detection based on earth fault type;

Fuzzy logic based high voltage transmission line fault type recognition;

In different fault types of oil-immersed power transformers,the component of characteristic gases dissolved in oil is also different.