Orsted has filed a patent for methods and systems involving an energy hub with generators and consumers of electrical energy. The hub can disconnect from the grid, supply energy from generators, monitor voltage and frequency, and selectively disconnect non-critical consumers. GlobalData’s report on Orsted 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 Orsted, DC-DC converters was a key innovation area identified from patents. Orsted's grant share as of January 2024 was 37%. Grant share is based on the ratio of number of grants to total number of patents.

Energy hub system for managing electrical energy distribution

Source: United States Patent and Trademark Office (USPTO). Credit: Orsted AS

A patent application (Publication Number: US20240006892A1) describes a method for stabilizing an island mode in an energy hub. The method involves disconnecting the energy hub from the grid to establish island mode and supplying electrical energy from generators to the electrical infrastructure. By using the electrical energy from consumers, fluctuations in voltage and frequency are passively damped. The method includes monitoring the voltage and frequency and selectively disconnecting and/or reconnecting non-critical consumers to maintain predetermined nominal values.

Furthermore, the method designates critical and non-critical consumers of electrical energy within the infrastructure, with non-critical consumers including battery chargers, electrolytic separators, and mechanical or thermal storage. The energy hub, which can be a wind farm with offshore wind turbine generators, forms a local grid using generators or battery energy storage systems. Additionally, the method involves selectively disconnecting and/or reconnecting a plurality of non-critical consumers to assist in damping fluctuations in frequency and voltage, with the option to do so individually or as a group. The generators supplying electrical energy to the infrastructure may not include all generators within the energy hub, ensuring efficient stabilization of the island mode.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.