Sweep Frequency Response Analysis (SFRA) – A Complete Guide

Sweep Frequency Response Analysis (SFRA) is a powerful diagnostic tool. We use it to detect only mechanical issues inside a transformer. It helps identify winding movement, core displacement, insulation failure, and structural deformations. SFRA shows how the transformer responds to different frequencies. Working Principle of SFRA In SFRA, the analyzer kit injects a low-voltage AC … Read more