Bloom Energy. has filed a patent for a fuel cell-based microgrid system. The system includes fuel cell modules generating DC power, dual-mode inverters converting it to AC power, and DC switches connecting modules to a DC bus. Different sets of inverters are used to connect modules to the grid or loads. GlobalData’s report on Bloom Energy 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 Bloom Energy, Polymer electrolyte fuel cells was a key innovation area identified from patents. Bloom Energy's grant share as of January 2024 was 43%. Grant share is based on the ratio of number of grants to total number of patents.

Fuel cell based microgrid system with dc power generation

Source: United States Patent and Trademark Office (USPTO). Credit: Bloom Energy Corp

The patent application (Publication Number: US20240039291A1) describes a system comprising fuel cell modules that generate direct current (DC) power, dual mode inverters (DMIs) to convert the DC power into alternating current (AC) power, and DC switches to connect or disconnect the fuel cell modules from a DC bus. The system includes different sets of DMIs to connect the fuel cell modules with the grid or specific loads, with the ability to switch between current source inverter (CSI) and voltage source inverter (VSI) modes. Additionally, a transfer switch is included to facilitate the connection of the DMIs with different loads based on the state of the switch.

Furthermore, the patent application also discusses a microgrid network consisting of multiple systems, each with fuel cell modules, DMIs, and DC switches. These systems are connected to different terminals and loads, with a transfer switch enabling the switching of DMIs between CSI and VSI modes based on the network's requirements. The design allows for efficient power distribution and management within the microgrid network, ensuring optimal utilization of resources and flexibility in meeting varying load demands.

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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.