# US 9,520,208 B2 · Hybrid conductor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,520,208 B2 - Document ID: US9520208B2 - Status: Granted - Kind: B2 - Application number: 14/466,498 - Filed: 2014-08-22 - Published: 2016-02-25 - Granted: 2016-12-13 - Earliest claimed: 2014-08-22 - Assignees: ABB Schweiz AG - Applicants: ABB Technology AG - Inventors: Matthew Spalding - Web page: https://patentgrep.com/patent/US9520208B2 ## CPC - H01B 7/28: {Protection against damage caused} by moisture, corrosion, chemical attack or weather - H01B 1/023: {Alloys based on aluminium} - H01B 1/026: {Alloys based on copper} - H01B 1/04: mainly consisting of carbon-silicon compounds, carbon or silicon - H01B 3/307: {Other macromolecular compounds} - H01B 9/006: {Constructional features relating to the conductors} - Y02A 30/14: Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ## Abstract A cable comprising that includes an elongated conductor operable to transmit electrical energy at medium or high AC voltages. The conductor has a core including a first plurality of wires of a first conductive material, and an outer layer surrounding the core including a second plurality of wires of a second conductive material. The first conductive material has a deeper characteristic skin depth than the second conductive material. The total cross sectional area of the first and second plurality of wires is at least about 2500 kcmil. ## Claims ### Claim 1 A cable comprising: a plurality of elongated wedge cross-sectional shaped conductors operable to transmit electrical energy at medium or high AC voltages and each of the elongated conductors having a narrow end and an opposite wide end, a first side and an opposite second side extending from the narrow end to the wide end, the plurality of elongated conductors being disposed about a center of the cable so the first side and the second side of each of the plurality of elongated conductors are adjacent other ones of the plurality of elongated conductors, each of the elongated conductors having a core including a first plurality of wires of a first conductive material, and an outer layer surrounding the core including a second plurality of wires of a second conductive material, the first conductive material having a deeper characteristic skin depth than the second conductive material, the second plurality of wires of the second conductive material being positioned along the narrow and wide ends and along the first and second sides of the conductor to surround the first plurality of wires of the first conductive material; and, wherein the total cross sectional area of the first and second plurality of wires in each of the plurality of conductors is at least about 2500 kcmil. ### Claim 2 (depends on 1) The cable of claim 1, wherein the elongated conductor has a wedge cross-sectional shape. ### Claim 3 (depends on 1) The cable of claim 1, wherein a nonconductive or semiconductive coating surrounds each of the plurality of elongated conductors and separates each of the plurality of elongated conductors from the adjacent elongated conductors. ### Claim 4 (depends on 1) The cable of claim 1, wherein the first conductive material includes aluminum. ### Claim 5 (depends on 4) The cable of claim 4, wherein the first plurality of wires have an outer barrier including aluminum oxide. ### Claim 6 (depends on 5) The cable of claim 5, wherein the second conductive material includes copper. ### Claim 7 (depends on 1) The cable of claim 1, wherein the second conductive material includes copper. ### Claim 8 (depends on 7) The cable of claim 7, wherein the second plurality of wires are uncoated. ### Claim 9 (depends on 1) The cable of claim 1, wherein the total cross sectional area of the first and second plurality of wires is at least about 3000 kcmil. ### Claim 10 A cable comprising: a plurality of segmented, wedge cross-sectional shaped conductors operable to transmit electrical energy at medium to high voltages and disposed centrally in the cable, the conductors wrapped in a non-conductive or semi-conductive sheath separating the conductors, the segmented conductors having: a core including a first plurality of wires of a first conductive material; an outer layer surrounding the core and having a second plurality of wires of a second conductive material, the first conductive material having a deeper characteristic skin depth than the second conductive material, the outer layer forming a narrow end and an opposite wide end, a first side and an opposite second side extending from the narrow end to the wide end, the narrow end being disposed toward a center of the cable so that the first side and the second side of each of the segments conductors is adjacent other ones of the segmented conductors, the second plurality of wires of the second conductive material being positioned along the narrow and wide ends and along the first and second sides of the conductor to surround the first plurality of wires of the first conductive material; and, wherein the total cross sectional area of the first and second plurality of wires is at least about 2500 kcmil. ### Claim 11 (depends on 10) The cable of claim 10, wherein the first conductive material includes aluminum. ### Claim 12 (depends on 11) The cable of claim 11, wherein each of the first plurality of wires have an outer barrier including aluminum oxide. ### Claim 13 (depends on 11) The cable of claim 11, wherein the second conductive material includes copper. ### Claim 14 (depends on 10) The cable of claim 10, wherein the second conductive material includes copper. ### Claim 15 A cable comprising: an elongated wedge cross-sectional shaped conductor having a core including a first plurality of wires of a first conductive material, and an outer layer surrounding the core including a second plurality of wires of a second conductive material, the first conductive material having a deeper characteristic skin depth than the second conductive material, the outer layer forming a narrow end and an opposite wide end, a first side and an opposite second side each extending from the narrow end to the wide end, the narrow end being disposed toward a center of the cable, the second plurality of wires of the second conductive material being positioned along the narrow and wide ends and along the first and second sides of the conductor to surround the first plurality of wires of the first conductive material; and, wherein the total cross sectional area of the first and second plurality of wires is at least about 2500 kcmil. ### Claim 16 (depends on 15) The cable of claim 15, wherein the first plurality of wires are uncoated. ### Claim 17 (depends on 15) The cable of claim 15, wherein the second plurality of wires are uncoated. ### Claim 18 (depends on 15) The cable of claim 15, wherein the total cross sectional area of the first and second plurality of wires is at least about 3000 kcmil. ### Claim 19 (depends on 15) The cable of claim 15, wherein the total cross sectional area of the first and second plurality of wires is at least about 3500 kcmil.