I.OverviewManypowersystems,railwaysystems,large-scalepetrochemicalplantsandenterpriseshavealotofelectricalequipmentwhoseintern
I. OverviewTheSweep Frequency Response Analyzeris used for power transformer with voltage grade of 6kV and above and other transformers with special purpose. The power transformer is inevitably vulnerable to impulse of various fault short-circuit current or physical collision in the proc
I.OverviewIn power transformer in the production of semi-finished products and finished products, before the new installation of the transformer in operation and according to the national ministry of preventive test procedures, require the operation of transformer turn ratio or voltage ratio test, y
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