APPARATUS AND METHOD FOR DETECTING FAILURE OF BATTERY PACK

Title:

APPARATUS AND METHOD FOR DETECTING FAILURE OF BATTERY PACK

Document Type and Number:

WIPO Patent Application WO/2018/048128

Kind Code:

A1

Abstract:

Disclosed are an apparatus and a method for detecting a failure of a battery pack using an independent grounding unit. A battery management system through distributed operation according to the present invention comprises: a first battery pack for supplying power to a load; a first grounding unit connected between the first battery pack and a first relay connected to the first battery pack to connect and disconnect the power supply of the battery pack; a second battery pack for supplying power to the load; a second grounding unit connected between the second battery pack and a second relay connected to the second battery pack to connect and disconnect the power supply of the battery pack; and a voltage measuring unit for measuring a voltage at both ends of the first relay and a voltage at both ends of the second relay.

Inventors:

LEE JONGGON (KR)

Application Number:

PCT/KR2017/009371

Publication Date:

March 15, 2018

Filing Date:

August 28, 2017

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

G01R31/36; B60L11/18; G01R19/165; G01R31/327; H01M10/48

Foreign References:

KR20150025428A	2015-03-10
JP2900036B2	1999-06-02
KR20140136844A	2014-12-01
KR20150137677A	2015-12-09
US20140333311A1	2014-11-13

Other References: