LS Electric has been granted a patent for a device that tests insulation properties of transformers. The device includes low-voltage and high-voltage winding parts arranged concentrically, an adjustable iron core, terminal parts, and an iron core shield part for adjusting spacing intervals. GlobalData’s report on LS Electric 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 LS Electric, Battery management systems was a key innovation area identified from patents. LS Electric's grant share as of February 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.
Transformer insulation properties testing device with adjustable iron core height
A recently granted patent (Publication Number: US11913984B2) discloses a device designed for testing the insulation properties of a transformer. The device comprises a low-voltage winding part and a high-voltage winding part arranged concentrically, with an iron core for testing that can be adjusted in height according to the heights of the winding parts. The device also includes a low-voltage terminal part, a high-voltage terminal part, and an iron core shield part to adjust the spacing interval between the low-voltage winding part and the center iron core. The shield part consists of various insulating components and a bus bar for electrical connection.
Furthermore, the patented device features an iron core divided into an upper yoke and a lower yoke, with a height adjustment part capable of modifying the height between them. This adjustment part is vertically divided into multiple sections, allowing for precise height adjustments based on the specific requirements. Additionally, the upper yoke, lower yoke, and height adjustment parts are combined using concavo-convex structures to ensure stability and functionality. The device also includes a shield part with vertically elongated metal bars that can be adjusted in diameter by varying the number of bars, providing flexibility in insulation testing for transformers.
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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.
