General Electric had 14 patents in batteries during Q1 2024. The General Electric Co filed a patent for a battery energy storage system (BESS) that includes multiple battery strings, battery switchgear units, an internal power supply, and a controller. The controller manages the connection of battery strings to a DC bus to efficiently store and distribute DC power within the BESS. GlobalData’s report on General Electric gives a 360-degree view of the company including its patenting strategy. Buy the report here.
General Electric grant share with batteries as a theme is 78% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Systems and methods for self-derived auxiliary power for energy storage systems (Patent ID: US20240072317A1)
The patent filed by General Electric Co. describes a battery energy storage system (BESS) that includes multiple battery strings, battery switchgear units, an internal power supply, and a controller. The controller is responsible for managing the connection of battery strings to a DC bus, receiving power from the battery strings, and ensuring all battery strings are connected to the DC bus. The system can include an uninterruptible power supply (UPS) as the internal power supply and may also feature heating, ventilation, and air conditioning (HVAC) systems to regulate temperature. Additionally, the system can incorporate a bi-directional inverter to convert DC power to AC power, with fire suppression and manual exhaust systems activated by the controller when needed.
The method for startup control of the BESS involves receiving power from the internal supply, instructing the switchgear units to connect battery strings to the DC bus, receiving power from the connected strings, and ensuring all strings are connected to the bus. The controller can activate HVAC systems based on the status of the switchgear units. The patent also includes a claim for a controller specifically designed for the BESS, with similar functionalities as described in the method. The controller can activate HVAC systems and is capable of managing the connection of battery strings to the DC bus efficiently.
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