About 13 results
https://drivepatents.com/patents/1390962 · 22 Apr 2026
According to embodiments of the present invention, an energy storage system may include a plurality of battery management systems (BMSs) provided in correspondence to a plurality of batteries, respectively; and an upper control apparatus configured to coll...
https://drivepatents.com/patents/1390963 · 17 Dec 2025
According to embodiments of the present invention, an energy storage system may include a plurality of battery management systems (BMSs) provided in correspondence to a plurality of batteries, respectively; and an upper control apparatus configured to coll...
https://drivepatents.com/patents/1392019 · 19 Nov 2025
A plurality of positive switches are respectively connected between positive terminals of a plurality of battery packs and a first node, and a plurality of negative switches are respectively connected between negative terminals of the plurality of battery ...
https://drivepatents.com/patents/1391675 · 11 Jun 2025
Provide is a method of testing a lithium-ion secondary battery which enables whether the battery is good or bad to be determined with high accuracy in a short time even when lithium iron phosphate is used as a cathode active material. The method of testing...
https://drivepatents.com/patents/1400675 · 25 Sep 2024
A battery diagnosing apparatus according to an embodiment of the present disclosure includes: a measuring unit configured to measure voltage and temperature of a battery; an ohmic resistance determining unit configured to determine an ohmic resistance of t...
https://drivepatents.com/patents/952622 · 14 Jan 2015
A control device of a secondary battery using, as positive electrode material, positive electrode active material showing a difference of an open circuit voltage curve between during charge and discharge, detects whether the secondary battery is in a charg...
https://drivepatents.com/patents/978528 · 12 Feb 2014
A battery protection device (3) includes two relays (31A and 31B), and a battery monitoring unit (33). The battery monitoring unit (33) includes a controller (34). The controlled (34) determines whether at least one of the relays (31 A and 31B) has a failu...
https://drivepatents.com/patents/981046 · 11 Dec 2013
[Problem] To calculate power consumption with high accuracy at a jack portion in a power strip and in a power measurement method. [Solving Means] The problem is solved by a power strip including: a second power line 12 between which and a first power line ...
https://drivepatents.com/patents/981022 · 11 Dec 2013
Disclosed is a voltage sensing assembly for sensing voltage of battery cells, each having electrode terminals formed at an upper or lower end thereof, in a state in which the voltage sensing assembly is mounted to a battery module, the voltage sensing asse...
https://drivepatents.com/patents/989102 · 3 Jul 2013
A power quality monitoring apparatus for a railway power system is provided. In the apparatus, energy flow and the amount of power are calculated and recorded using voltage and current sensors at AC and DC power source sides in various industrial fields, v...