Microprocessor Transformer Protection Error Data In The Diagnosis And Treatment

Based on the analysis of several principles and the constructive for power transformer protection, this thesis stressed the importance of diagnosing and processing the false data which give the protection direct impacts. In this paper, the often-used methods for cleaning disturbrance on micro-processing system are summarized and three new methods , including the use of wavelet transform, are presented and detailed described for software diagnosing and processing using DSP.