Electrical inductive apparatus

Abstract

Abstract ELECTRICAL INDUCTIVE APPARATUS, INCLUDING A CASING FILLED TO A PREDETERMINED LEVEL WITH LIQUID DIELECTRIC MEANS, A MAGNETIC CORE-WINDING ASSEMBLY DISPOSED WITHIN THE CASING AND IMMERSED IN THE LIQUID DIELECTRIC MEANS, A PLURALITY OF INSULATING BUSHINGS DISPOSED TO INTRODUCE ELECTRICAL CONDUCTORS INTO THE CASING THROUGH OPENINGS THEREIN, AND AT LEAST ONE FUSE ASSEMBLY. THE FUSE ASSEMBLY IS DISPOSED WITHIN THE CASING, BELOW THE LEVEL OF THE LIQUID DIELECTRIC, AND IS CONDUCTIVELY INTERCONNECTED BETWEEN THE ELECTRICAL CONDUCTOR OF AN INSULATING BUSHING, AND ONE OF THE WINDINGS OF THE MAGNETIC COREWINDING ASSEMBLY. THE FUSE ASSEMBLY INCLUDES A SEALED FUSE TUBE HAVING A PAIR OF ELECTRICALLY CONDUCTIVE TERMINAL ELEMENTS AT ITS ENDS, A SOLID LINER OF ARC EXTINCTION MATERIAL OF THE TYPE WHICH EMITS WATER VAPOR, OR OTHER CONDENSABLE GAS, WHEN SUBJECTED TO THE HEAT OF AN ARC, AN ARCING PASSAGEWAY BETWEEN THE ENDS OF THE FUSE TUBE, AND A FUSIBLE ELEMENT DISPOSED IN THE ARCING PASSAGEWAY, CONDUCTIVELY INTERCONNECTING THE PAIR OF TERMINAL ELEMENTS.

Inventors

• 👤 Donald J Ristuccia

Bibliographic Details