Mechanical fault diagnostics of onload tap changer within power transformers based on hidden Markov model

IEEE Transactions on Power Delivery

Volumn 27, Issue 2, 2012, Pages 596-601

  Li, Qingmin ^a   Zhao, Tong ^a   Zhang, Li ^a   Lou, Jie ^a  

^a SHANDONG UNIVERSITY   (China)

Author keywords

Fault diagnostics; hidden Markov model (HMM); mechanical characteristics; onload tap changer (OLTC); vibration signals

Indexed keywords

EXPANDABILITY; EXPERIMENTAL STUDIES; FAULT CLASSIFICATION; FAULT DIAGNOSTICS; FEATURE VECTOR EXTRACTION; HIGH-VOLTAGES; IDENTIFICATION RATES; INTERNET BASED; MECHANICAL CHARACTERISTICS; MECHANICAL FAULT DIAGNOSIS; MECHANICAL FAULTS; MECHANICAL PERFORMANCE; NOVEL STRATEGIES; ON-LOAD TAP CHANGERS; ON-SITE MEASUREMENT; ONLINE MONITORING; RELIABLE OPERATION; SAMPLED DATA; UNIQUE FEATURES; VIBRATION SIGNAL;

ELECTRIC FAULT CURRENTS; FAULT DETECTION; HIDDEN MARKOV MODELS; POWER SPECTRAL DENSITY; POWER TRANSFORMERS; VECTOR QUANTIZATION;

DISTRIBUTED POWER GENERATION;

EID: 84859753393     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPWRD.2011.2175454     Document Type: Article

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