Drying Endpoints for Active Parts: Time Alone Is Not Acceptance
A drying endpoint should indicate that the ap…
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Vacuum Drying versus Vapour-Phase Drying: What the Buyer Should Verify
Vacuum drying and vapour-phase drying are pro…
Leggi l'articolo completoAramid Insulation in Transformers: Define the Actual High-Temperature Scope
Aramid insulation can be part of a high-tempe…
Leggi l'articolo completoThermally Upgraded Paper: Ratings Depend on the Insulation System
Thermally upgraded paper is a specified insul…
Leggi l'articolo completoDegree of Polymerization: What a Paper Sample Can Represent
When measured by IEC 60450, the reported quan…
Leggi l'articolo completoTransformer Paper Moisture: Why Oil Samples Are Only Part of the Evidence
An oil sample measures the liquid at a partic…
Leggi l'articolo completoTransformer Liquid Environmental Claims: Define Test Method and Conditions
Terms such as biodegradable, biobased, non-ha…
Leggi l'articolo completoEster-Filled Transformers: Interpreting Dissolved-Gas Results with the Right Basis
Dissolved-gas analysis must be interpreted fo…
Leggi l'articolo completoRetrofill Projects: Why Replacing the Liquid Is a Design Review
Retrofilling replaces the insulating liquid i…
Leggi l'articolo completoTransformer Oil Compatibility when Topping Up
A top-up introduces a second material into an…
Leggi l'articolo completoTransformer Fluid Fire Point: Liquid Property versus Installation Approval
A fluid's fire point is a property measured u…
Leggi l'articolo completoInhibited and Uninhibited Mineral Oil: Specify the Maintenance Philosophy
The distinction between inhibited and uninhib…
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