IDAX 300/350 Insulation Diagnostic Analyzers
■IDAX is an insulation diagnostic instrument based on DFR (Dielectric Frequency Response), also known as FDS (Frequency Domain Spectroscopy). DFR technology is an established test procedure in laboratories that in an innovative effort by Megger has been adapted for field use in the IDAX range of instruments.
■In short, DFR is the measurement of capacitance and losses (tandelta or power factor) over multiple frequencies. The measured DFR curve is dependent on insulation geometry, moisture, oil conductivity and temperature. By advanced curve fitting to the reference material model, it is possible to calculate moisture content mainly in solid insulation, the oil's conductivity at 25°C reference temperature and tan delta/power factor at 20°C reference temperature. In the calculations ITC (Individual Temperature Correction), another important Megger innovation is used to translate test data from the test object temperature to the reference temperatures. In the latest release, the IDAX SW incorporates a new ITC corrected frequency sweep specifically designed for assessment of instrument transformers and bushings. IDAX is exceedingly easy to use with an automated test flow and presentation of results in an easy to understand ''traffic light'' manner.
■The IDAX DFR method is now part of international guides and standards e.g. Cigre TB 254, Cigre TB 414, Cigre TB 445, Cigre TB 775, IEEE C57.152-2013, IEEE C57.161-2018
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IDAX 300 、 IDAX 350 、 AG-19090 、 AG-19091 、 AG-19092 、 AG-19192 、 IDAX 300/S |
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[ transformers ][ bushings ][ current transformers ][ generators ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2019 |
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IDAX300-350_DS_en_V12a |
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536 KB |
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