FIELD: electricity.
SUBSTANCE: non-insulated wire for overhead power transmission lines comprises a steel core (1) made of one or more rods (2) having the form of interconnected complex profiles, and several concentric inner lays, and an external lay made of power rods of trapezoidal cross-section made of aluminium or aluminium-zirconium alloy (3). The external wire lay is formed by rods with a cross-section in form of an equilateral trapezium, on the larger base of which the teeth with a radius of curvature r and depressions with a radius of curvature r are made, in this case the height of the tooth 3 is determined taking into account the distance of separation of the circumferences centers of the tooth and depression.
EFFECT: design of the wire makes it possible to increase the long-term permissible current of the wire without increasing the cross-sectional area and operating temperature.
3 cl, 7 dwg, 6 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| NON-INSULATED STEEL-ALUMINUM HIGH-STRENGTH HIGH-TEMPERATURE WIRE (OPTIONS) | 2020 |
|
RU2748682C1 |
| CORE FOR WIRE OVERHEAD POWER LINES | 2014 |
|
RU2579318C2 |
| NON-INSULATED WIRE FOR AERIAL ELECTRIC POWER TRANSMISSION LINES | 0 |
|
SU1786510A1 |
| NON-ISOLATED CABLE (VERSIONS) | 2016 |
|
RU2619090C1 |
| NON-INSULATED STEEL-ALUMINUM HIGH-STRENGTH, HIGH-TEMPERATURE WIRE FOR OVERHEAD TRANSMISSION LINES | 2019 |
|
RU2705798C1 |
| WIRE FOR OVERHEAD TRANSMISSION LINES AND METHOD OF ITS MANUFACTURING | 2013 |
|
RU2568188C2 |
| METHOD FOR MANUFACTURING OF HIGH-TEMPERATURE CONDUCTOR FOR POWER TRANSMISSION LINE AND CONDUCTOR MANUFACTURED BY THIS METHOD | 2011 |
|
RU2447525C1 |
| COMPOSITE CORE FOR NON-INSULATED WIRES OF OVERHEAD POWER TRANSMISSION LINES | 2014 |
|
RU2578038C1 |
| NON-INSULATED STEEL-ALUMINUM HIGH-TEMPERATURE HIGH-STRENGTH WIRE | 2019 |
|
RU2706957C1 |
| NON-INSULATED WIRE WITH FUNCTION OF MONITORING TECHNICAL PARAMETERS IN CURRENT TIME MODE (VERSIONS) | 2018 |
|
RU2686837C1 |
