VACUUM DRYING CABINET FOR CURRENT TRANSFORMERS WITH HOLLOW POST Russian patent published in 1994 - IPC

FIELD: electrical engineering; thermovacuum drying of transformer windings. SUBSTANCE: cabinet has housing with cover, oil product fumes inlet and outlet connection branches, branch for connecting cabinet to vacuum station, vacuum collector with butt-joining unit to provide hermetic connection of transformer posts. In process of drying pressure inside transformer winding is less than pressure in cabinet which is provided by using the hollow post of transformer as vacuum line. EFFECT: enhanced quality of drying. 7 dwg