Cooler Fouling Allowances: Discuss Maintenance Assumptions Explicitly
A cooler rating usually represents defined su…
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Bibliothèque technique
Articles techniques pratiques sur la sélection, la conception et la fabrication des noyaux de transformateurs.
1,317 articles
Natural Cooling inside Enclosures: Why Open-Air Ratings Are Insufficient
Natural cooling relies on an available path f…
Lire l’article completTransformer Water Cooling: Heat-Exchanger Supply Interfaces
A water-cooled transformer depends on both it…
Lire l’article completDirected Oil Flow: What the Thermal Model Must Demonstrate
Directed oil flow is intended to route pumped…
Lire l’article completTransformer Fan Redundancy: Count Cooling Groups, Not Just Fans
Redundancy is the ability to retain a defined…
Lire l’article completOil Pump Duty: Flow, Head and Transformer Hydraulic Resistance
An oil pump does not deliver one fixed flow r…
Lire l’article completRadiator Capacity in Transformer Specifications: Define Ambient and Oil Conditions
A radiator heat-rejection figure is meaningfu…
Lire l’article completTransformer Insulation Ageing: Thermal, Moisture and Oxygen Effects
Transformer insulation ageing is influenced b…
Lire l’article completONAN, ONAF, OFAF and ODAF: Read the Cooling Circuit, Not Just the Letters
Transformer cooling codes describe the coolin…
Lire l’article completPressboard Compression and Winding Clamping: A Time-Dependent Interface
A pressboard support stack does not behave li…
Lire l’article completOil Impregnation of Solid Insulation: Inputs beyond Vacuum Level
Impregnation aims to establish the intended l…
Lire l’article completExposure Time after Drying: Humidity and Temperature Both Matter
A dried active part can absorb moisture again…
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