Hosted by: Raka Levi / Intermediate level
Dynamic diagnostic techniques for condition assessment of power transformers equipped with reactor type on load tap changers, dynamic resistance measurement, vibration analysis, good graphs, bad graphs, defect detection, etc.
Keywords: Dynamic test, diagnostics, reactor OLTC, transformer, preventive autotransformer
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About the author
Raka Levi
Dr. Levi spent his entire career in diagnostic testing transformers and other substation apparatus, while the last 15 years dealing with tap changers. He is senior member IEEE and vice-chairman of the working group for revision of Guide for testing power transformers. Raka Levi consulted clients on all 5 continents in the field of condition assessment and substation monitoring.
Edis Osmanbacis
Edis Osmanbasic has been an Application and Testing Specialist at DV Power, Sweden since 2010. His work involves the analysis and development of test methods for condition assessment of transformers, OLTCs, and generators. He is responsible for DV Power transformer test equipment field application and diagnostics of transformer test results and is also involved in defining and proposing the maintenance strategy for the HV equipment. Edis has published numerous papers on DRM methodology and transformer testing methods. He holds an MS
in electrical engineering.