VAM Analysis Service
The VAM takes the pulse of the on-load tap-changer – MR provides the diagnosis
The condition of the on-load tap-changer is critical for the operation of your transformers. Using vibro-acoustic measurements (VAM), you get meaningful data at an early stage. VAM records characteristic vibration signals that an on-load tap-changer emits during a tap-change operation. The installed MSENSE® VAM monitoring system, measurements taken on site by the MR TESSA® VAM service or your own devices, such as TESTRANO 600 from OMICRON, provide the data.
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Sus ventajas de un vistazo
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Flexibility
Measurements regardless of transformer status (in/out of operation)
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Independence
Available for MR on-load tap-changers as well as many third-party manufacturers
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Operating safety
Detection of wear and aging for a safe, reliable tap-changer
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Database
Detailed comparison with reference curves of the on-load tap-changer type from the MR database
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Report
Extensive report with detailed illustrations and clear handling recommendations
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Versatility
Can be combined with other services on the transformer, such as DGA or electrical measurements
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Functional Scope
Creating meaningful diagnoses from the measured vibration signals is challenging and requires a detailed understanding of the switching sequences of on-load tap-changers. As the leading global manufacturer of on-load tap-changers, MR and its experts have unique knowledge in order to interpret VAM data thoroughly.
The VAM ANALYSIS SERVICE from MR provides this knowledge in the form of a detailed report with information on the condition of the on-load tap-changer, as well as handling recommendations. The reports can be requested quickly and easily using the MR customer portal.
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| Storage and management of VAM data in the MR customer portal | |
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| Structured visualization of the curves | |
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| Condition assessment of the OLTC | |
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| Recommendations for action for the OLTC | |
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| Visualization and analysis of irregular VAM data | |
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| Detection of peaks | |
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| Comparison of measurements with reference curves | |
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