Patent ID: 8749951
Filing Date: 2014-06-10
Classification: H01B

Abstract:
1. An electrical apparatus comprising: a casing surrounding a confined volume; conductive components of different electrical potential disposed within the confined volume; and a two-phase dielectric composite comprising a plurality of macro dielectric beads greater than about 1 mm diameter packed into the confined volume and between the conductive components to form interstices between said macro dielectric beads, and a dielectric liquid filling the interstices between said macro dielectric beads in the confined volume, wherein said macro dielectric beads are insoluble in said dielectric liquid so as not to be structurally compromised by said dielectric liquid and electrical properties of said dielectric liquid are not compromised by said macro dielectric beads, and wherein said macro dielectric beads and said dielectric liquid have low dielectric constants so that the two-phase dielectric composite has a reduced ability to store charge and increased dielectric strength and resistivity, whereby said packed macro dielectric beads inhibit electro-hydrodynamically driven current flows of said dielectric liquid between the conductive components and increase the resistivity and breakdown strength of said two-phase dielectric composite over said dielectric liquid alone.