Vestas Wind Systems has filed a patent for a wind turbine design that includes a segmented stator core with individual core segments coupled together. Each core segment has a concentrated winding element for generating flux. An insulation element is placed between adjacent core segments to electrically isolate them. The stator core is connected to a stator support element, which can be electrically insulative or electrically isolated from the core segments. This design aims to improve the efficiency and reliability of wind turbines. GlobalData’s report on Vestas Wind Systems 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 Vestas Wind Systems, Aerial inspection drones was a key innovation area identified from patents. Vestas Wind Systems's grant share as of September 2023 was 51%. Grant share is based on the ratio of number of grants to total number of patents.
Wind turbine with segmented core and electrically isolated stator
A recently filed patent (Publication Number: US20230318402A1) describes a wind turbine design that aims to improve the efficiency and performance of the generator. The wind turbine includes a generator with a stator and a rotor that provides electrical power to an electric grid. The stator is made up of a segmented core, with each core segment having a concentrated winding element that generates flux in the segment. An insulation element is positioned between adjacent core segments to electrically isolate them from each other.
The stator core is coupled with a stator support element, which can be an electrically insulative element or can be electrically isolated from each stator core segment. This design allows for better control and management of electrical power generation in the wind turbine.
In one embodiment, the individual core segments are mounted to the stator support element through bolts, which are electrically isolated from either the segments or the support element or both. This ensures that there is no electrical interference or short-circuiting between the segments and the support element.
The insulation element used between the core segments can be a sheet of insulation material, which further enhances the electrical isolation between the segments. It extends beyond the outer and inner edges of the stator core, providing additional protection against electrical leakage.
The wind turbine can generate electrical power in multiple phase signals. In one configuration, the stator core segments form a stator in the shape of a ring structure, which allows for the generation of electrical power in all of the multiple phase signals. In another configuration, the stator core segments form multiple ring structures, with each ring structure handling a single phase signal of the multiple phase signals.
The method of generating electrical power in the wind turbine involves rotating the rotor in the stator, with the segmented core and concentrated winding elements generating flux. The adjacent core segments are electrically insulated from each other using the insulation element. The stator core is coupled with a stator support element, which can be electrically insulative or electrically isolated from the core segments.
Overall, this patented wind turbine design aims to improve the efficiency and performance of wind turbines by providing better control and management of electrical power generation. The segmented core and insulation elements help to minimize electrical interference and leakage, resulting in more reliable and efficient power generation.
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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.
