National Grid has patented a compact transmission line structure featuring a unique design with diamond-shaped insulator assemblies supporting three-phase transmission lines. The structure includes shield wires for lightning protection, offering a more efficient and space-saving solution for transmission lines. GlobalData’s report on National Grid gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on National Grid, Fiber-reinforced material joining techniques was a key innovation area identified from patents. National Grid's grant share as of January 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Compact transmission line structure with diamond-shaped insulator assemblies
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A recently granted patent (Publication Number: US11824342B2) discloses a compact transmission line structure designed to carry transmission lines efficiently. The structure consists of three subsystems, including a pole and crossarm configuration supporting three-phase transmission lines in a diamond-shaped insulator assembly. The design allows for proper phase spacing and parallel arrangement of conductors, enhancing the structure's performance. Additionally, shield wires are incorporated for lightning protection, ensuring the safety and reliability of the transmission lines. The compact nature of the structure, with a width less than or equal to 30 feet and a height less than or equal to 45 feet, makes it suitable for various applications requiring compact transmission solutions.
Furthermore, the patent includes variations of the compact structure, such as a T-structure and an inverted L-structure, each tailored for specific transmission line configurations. These structures feature similar diamond-shaped insulator assemblies and shield wire arrangements, emphasizing the versatility and scalability of the patented design. With provisions for articulation in longitudinal directions and specific angles for shielding, the structures offer flexibility and protection against lightning strokes. The compact T-structure and inverted L-structure cater to different spatial requirements, with the inverted L-structure specifically designed for single-circuit applications with a horizontal span less than or equal to 15 feet wide. Overall, the patented compact transmission line structures offer innovative solutions for efficient and reliable transmission line setups in various environments.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
