OMICRON FRAnalyzer Frequency Response Analyser

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The OMICRON FRAnalyzer uses sweep frequency response analysis (SFRA) to detect mechanical and electrical changes in the core and winding assembly of power transformers. It is available for rent from TechRentals.

By identifying a power transformer’s frequency response, the product can be used to diagnose issues without the need for expensive demounting of a transformer’s active part. The integrity of the transformer can also be verified after a fault, mechanical shock or transportation. Regular, ongoing analysis improves reliability and can prevent a costly outage. The package comes with a laptop preloaded with FRAnalyzer software.

Fault detection applications include winding deformation — axial and radial, like hoop buckling, tilting and spiralling; displacements between high and low-voltage windings; partial winding collapse; shorted or open turns; faulty grounding of core or screens; core movement; broken clamping structures; and problematic internal connections.

Features include frequency range 10 Hz to 20 MHz (selectable); detection of hidden problems in the winding and core of transformers; fully customisable sweep settings; and dimensions of 26 x 5 x 26.5 cm (W x H x D).

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