JPWO2019180238A5 - - Google Patents

Claims (15)

It is a method of manufacturing an electric element (100, 450) from a part manufactured later by an additional manufacturing technique.
Including determining the target spatial distribution of the physical properties of the electrical element, the physical properties are electrical and / or mechanical properties.
Forming the component (50) of the electric element and
The physical characteristics of the succeeding component (51) of the electric element are selected according to the spatial distribution of the determined physical characteristics.
A method comprising using the additional manufacturing technique to form the successor part (51) in at least partial contact with the part (50). The spatial distribution is the target electric field pattern (E) of the electric element arranged in a specific electric environment in the case of electrical characteristics, and is the target mechanical strength of the electric element in the case of mechanical characteristics, according to claim 1. The method described. The method of claim 1 or 2, wherein the electrical properties include dielectric constant, conductivity, or a combination thereof, and / or the mechanical properties include mechanical strength, elasticity, plasticity, or a combination thereof. The method according to any one of claims 1 to 3 , wherein the component (50) and the subsequent component (51) are insulating components. One of claims 1 to 4 , wherein the physical properties, typically the electrical and / or the mechanical properties, of the selected successor component (51) are substantially inherent properties of the material. The method described in. The method according to any one of claims 1 to 5 , wherein the part (50) is formed by using an additive manufacturing technique. Determining the spatial distribution of the target mechanical strength of the electric element (100, 450) includes identifying the main mechanical stress path (P) of the electric element (100, 450).
Choosing the mechanical properties of the successor component (51) and forming the successor component (51) is a mechanical strength greater than or equal to a predetermined strength threshold on the identified principal mechanical stress path (P). The method according to any one of claims 1 to 6 , comprising forming one or more subsequent parts (51) having the above. Selecting the electrical characteristics of the successor component (51) and forming the successor component according to the determined target electric field pattern (E) is the component (50) and the at least one successor component (51). The method of any one of claims 1-7 , comprising changing the material ratio of at least two different materials forming each of the above. Selecting the mechanical properties of the successor part (51) and forming the successor part (51) according to the spatial distribution of the determined target mechanical strength is the part (50) and the at least one successor. The method of any one of claims 1-8 , comprising changing the material ratio of at least two different materials forming each of the parts (51). Including forming multiple subsequent parts (51, 52, 53, 54) using additional manufacturing techniques.
One of claims 1 to 9 , wherein the plurality of subsequent parts (51, 52, 53, 54) are formed by changing the material ratio of at least two different materials, particularly stepwise. The method described in the section. An electric element (100, 450) obtained by the method according to any one of claims 1 to 10, particularly an electrically insulating element or an electric field tilting element. Includes an electric field tilting component (51) formed as one or more subsequent components (51).
11. The electricity according to claim 11, wherein the electric field tilting component (51) is configured to relax the electric field density of the electric field when the electric element is arranged in an electric field, particularly an HVAC or HVDC electric field. Element (100, 450). Including elastic relaxation parts (51) formed as one or more subsequent parts (51).
The electric element (100, 450) according to claim 11 or 12, wherein the elastic relaxation component (51) is configured to convert externally applied stress into plastic deformation of the elastic relaxation component (51). ). Use of the electrical element (100, 450) according to any one of claims 11 to 13 as an AC or DC insulator in an HVAC or HVDC device, particularly an HVAC or HVDC switchgear or an HVAC or HVDC circuit breaker. Use of the electrical element (100, 450) according to any one of claims 11 to 13 as an electric field tilting element in an HVAC or HVDC structure, particularly an HVAC or HVDC cable joint.