OMICRON FRANEO 800

The OMICRON FRANEO 800 is a state-of-the-art diagnostic solution designed for performing sweep frequency response analysis (SFRA) on power transformers. It excels in detecting defects and faults within the magnetic core, winding assembly, and clamping structures.

By injecting a sinusoidal excitation voltage with a continuously increasing frequency into one end of a transformer winding and measuring the returning signal, the FRANEO 800 generates a precise frequency response. This data is compared with reference information to identify deviations, pointing to potential changes or faults in internal components.

SFRA is the most sensitive diagnostic method for detecting mechanical deformations in transformers.

The wide frequency range covered by the FRANEO 800 also enables the detection of electrical defects. It is a vital tool in assessing transformer integrity and determining any additional diagnostic measurements required for thorough analysis. Complementary tests, such as leakage reactance, exciting current, or winding resistance measurements, can be seamlessly performed using OMICRON’s multifunctional CPC 100 + CP TD12/15.

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• Axial and radial winding deformation detection.
• Identification of displacements between high- and low-voltage windings.
• Detection of partial winding collapses and shorted or open turns.
• Analysis of faulty grounding in cores or screens.
• Core movement identification and clamping structure integrity assessment.
• Examination of problematic internal connections.

• Enhanced reliability: Detect faults early, avoiding costly repairs or unexpected failures.
• Comprehensive diagnostics: Uncover mechanical deformations and electrical faults across a wide frequency range.
• Ease of operation: Perform measurements efficiently with no additional data processing required.
• Long-term performance: Support routine condition management, ensuring optimal transformer performance over time.

Unlocking a new era in transformer reliability, the OMICRON FRANEO 800 is tailored for a range of crucial applications, making it an indispensable tool for power transformer diagnostics. The OMICRON FRANEO 800 shines best in these applications: 

• Comprehensive fault detection — The OMICRON FRANEO 800 excels in detecting an
• Axial and radial winding deformation detection.
• Identification of displacements between high- and low-voltage windings.
• Detection of partial winding collapses and shorted or open turns.
• Analysis of faulty grounding in cores or screens.
• Core movement identification and clamping structure integrity assessment.
• Examination of problematic internal connections.
• d analysing faults after transportation, short-circuit events or exposure to high fault currents. It meticulously assesses axial and radial winding deformations, winding collapses, shorted or open turns and faulty grounding. Its precise measurements empower you to proactively address issues before they escalate, reducing maintenance costs and preventing unexpected failures.
• Post-event evaluation — This advanced device is particularly valuable after significant transformer events, offering insights into the transformer’s health. Whether it’s a short-circuit occurrence, transportation or a substantial change in monitored values, the OMICRON FRANEO 800 ensures a thorough evaluation, providing a clear understanding of the transformer’s condition.
• Routine condition management — The OMICRON FRANEO 800 goes beyond troubleshooting by enabling routine transformer condition measurements. It ensures that your transformers are consistently operating at peak efficiency, contributing to long-term reliability and optimal performance.
• Versatile testing scenarios — Ideal for a variety of scenarios, the OMICRON FRANEO 800 supports condition assessments post-transportation, after exposure to transient fault currents and during routine checks. It offers a holistic approach to transformer diagnostics, providing actionable insights for effective decision-making.