ELECTRICITY-STORAGE SYSTEM

DRIVE September 3, 2014
Source
[PROBLEM] To reduce a voltage applied between terminals of a current breaker in an electric storage element when the current breaker is activated. [SOLVING MEANS] An electric storage system includes an electric storage apparatus, relays, a plurality of smoothing capacitors, and a current limiting resistance. The electric storage apparatus has a plurality of electric storage elements connected in series. Each of the electric storage elements includes a current breaker breaking an electric current path inside the electric storage element. The plurality of smoothing capacitors are connected in series between a positive electrode line and a negative electrode line which connect the electric storage apparatus to a load. Each of the relays is placed on the positive electrode line, the negative electrode line, and an intermediate line. The intermediate line connects a connecting point of two of the electric storage elements included in the electric storage apparatus and a connecting point of the plurality of smoothing capacitors. The current limiting resistance is also placed on the intermediate line.

Discussion in the ATmosphere

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