Furukawa Electric. has developed a power storage system and equalizing charge method for efficient equalizing charging. The system includes multiple storage batteries connected to a power supply system, managed by individual battery units, and controlled by an upper management unit. Equalizing charging is performed when necessary for optimal performance. GlobalData’s report on Furukawa 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 Furukawa Electric, Battery management systems was a key innovation area identified from patents. Furukawa Electric's grant share as of January 2024 was 23%. Grant share is based on the ratio of number of grants to total number of patents.
Efficient equalizing charge method for power storage system
The patent application (Publication Number: US20240030714A1) describes a power storage system that includes multiple assembled storage batteries, each connected to AC-DC converters and individual battery management units. These units work together to manage the state of the batteries, control charging and discharging, and determine the need for equalizing charging. The system also includes an upper management unit that coordinates the operation of the individual units and determines when equalizing charging is necessary. When equalizing charging is required, the system utilizes surplus power from solar and rotary machine power generation to perform the operation on selected batteries.
Furthermore, the system divides the assembled storage batteries into groups, allowing for more efficient equalizing charging operations. If there is surplus power available during the equalizing charging process, the system can redistribute this power to other storage battery groups to optimize the overall charging and discharging operations. The patent also outlines an equalizing charge method that details the process of performing equalizing charging on selected batteries when needed, ensuring the efficient utilization of surplus power generated by solar and rotary machine power sources. This method includes steps for determining the need for equalizing charging, selecting the appropriate battery groups for the operation, and optimizing power distribution during the process.
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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.
