{
"$type": "site.standard.document",
"description": "The present invention relates to a battery management system, an energy storage device, and a battery system for removing noise in Controller Area Network (CAN) communication, and the battery management system is for managing a battery pack having a plurality of battery cells connected in series…",
"path": "/patents/1392272",
"publishedAt": "2026-03-25T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"G01R19/0053",
"LG ENERGY SOLUTION LTD [KR]"
],
"textContent": "The present invention relates to a battery management system, an energy storage device, and a battery system for removing noise in Controller Area Network (CAN) communication, and the battery management system is for managing a battery pack having a plurality of battery cells connected in series, the battery management system including: a variable capacitor which is connected between a Controller Area Network (CAN) communication line and a ground and in which capacitance corresponding to a level of received voltage is accommodated; a switching unit including a plurality of resistors connected between an external power source and the ground and a plurality of switches electrically connecting each of the plurality of resistors and the variable capacitor; and a control unit for controlling the switching unit so that a voltage of the external power source is transmitted to the variable capacitor.",
"title": "BATTERY MANAGEMENT SYSTEM PROVIDING NOISE CANCELLATION OF CAN COMMUNICATION, ENERGY STORAGE SYSTEM, AND BATTERY SYSTEM"
}