CPC G01R 31/3278 (2013.01) [H01H 47/002 (2013.01); H02H 1/0007 (2013.01); H02H 7/22 (2013.01); H02J 7/0013 (2013.01)] | 13 Claims |
1. A battery management system which examines whether a relay, coupled to an electrode of a battery in which a plurality of battery cells are coupled to each other, is open or closed or whether the relay has malfunctioned, the battery management system comprising:
a relay examination device coupled to the relay,
wherein the relay examination device includes:
a power unit coupled to the relay;
a voltage detection unit configured to detect a voltage from the relay; and
a control unit configured to examine whether the relay is open or closed or whether the relay has malfunctioned based on the voltage.
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