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你做电池异常过充,应该是空电池吧7 M8 P& O2 i9 N; E6 h7 c7 D8 X
Overcharging of a rechargeable battery. The battery is charged under each of the
' N4 G8 o4 \! U2 afollowing conditions in turn.
9 a5 ~. j4 z% s8 k* i1 Z• The battery charging circuit is adjusted with the battery disconnected to give 106 % of
" d# F0 x" G4 q. Xthe rated output voltage of the charger, or the maximum charging voltage available
* v! ~3 d& ?+ Y6 [from the charger (without simulation of faults), whichever is the higher attainable
/ a( t* J/ C& b* g9 evalue. The battery is then charged for 7 h.
4 X& q3 N [; a3 A• The battery charging circuit is adjusted, with the battery disconnected, to 100 % of the
' V5 G9 O( e! k3 H" h0 |5 o3 h* prated output voltage of the charger. The battery is charged while briefly subjected to
) z: g4 ?9 O5 [9 `1 Gthe simulation of any single component failure that is likely to occur in the charging- O( h- O; c' y: Z# ^. A6 @
circuit and that results in overcharging of the battery. To minimize testing time, the
" u: I2 ]( M* d4 K: ufailure is chosen that causes the highest overcharging current. The battery is then# x/ [# n9 D+ m0 Q( j( ~& x, D
charged for a single period of 7 h with that simulated failure in place. |
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