Test Instrument Reference

Data record instr.on-load-tap-changer-analyzer.transition-resistance-method

Verified 2026-10-27 Confidence: High

To obtain true transition resistances and times, one method measures the test current together with the voltages on both the high-voltage winding and the open low-voltage winding during the operation; the low-voltage winding voltage is purely inductive, so a transformer model separates the inductive part from the high-voltage winding voltage and leaves the resistive part from which the resistance is calculated.

ProvenanceMegger product page supports data record instr.on-load-tap-changer-analyzer.transition-resistance-method, which is cited on the entry On-load tap changer analyzer.SOURCEMegger product pageMegger product pageManufacturer pageDATA RECORDinstr.on-load-tap-changer-analyzer.transition-resistance-methodinstr.on-load-tap-change..Verified 2026-10-27ENTRYOn-load tap changer analyzerOn-load tap changer anal..No revisions
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StepItemDetail
SourceMegger product pageManufacturer page
Data recordinstr.on-load-tap-changer-analyzer.transition-resistance-methodVerified 2026-10-27
EntryOn-load tap changer analyzerNo revisions
Subject
On-load tap changer analyzer (Instrument classes)
Kind
Instrument fact
Source
Megger product page, web page edition, TRAX Multifunction transformer and substation test system, Megger. Publisher page

History

Every recorded change to this data record, oldest first.
DateChange
2026-10-27created
2026-10-27review_status unreviewed -> software_reviewed

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"Data record instr.on-load-tap-changer-analyzer.transition-resistance-method." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/data/instr.on-load-tap-changer-analyzer.transition-resistance-method/.