Aspects of the Practical Application of Sweep Frequency Response Analysis (SFRA) on Power Transformers (Part 1)
KRAETGE1*, M. KRÜGER1, L. VELÁSQUEZ1 OMICRON electronics GmbH Austria Viljoen2, A. Dierks2 2Alectrix (Pty) Ltd, South Africa *Email: alexander.kraetge@omicron.at SUMMARY Sweep Frequency Response Analysis (SFRA) has turned out to be a powerful and sensitive method to evaluate the mechanical integrity of core, windings and clamping structures within power transformers by measuring their electrical transfer functions […]