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你做电池异常过充,应该是空电池吧
) b" R& z5 R# O+ oOvercharging of a rechargeable battery. The battery is charged under each of the' g+ W- ^5 [3 _( e
following conditions in turn.
: M" J+ L/ ]" k D• The battery charging circuit is adjusted with the battery disconnected to give 106 % of
! T* u) V3 B' z- X! kthe rated output voltage of the charger, or the maximum charging voltage available7 r; U6 t. q. ^4 G# R4 D6 O
from the charger (without simulation of faults), whichever is the higher attainable
5 S1 K: ]2 I8 R9 g1 Y& A% Svalue. The battery is then charged for 7 h.3 h% d# p/ O# t
• The battery charging circuit is adjusted, with the battery disconnected, to 100 % of the
- P$ y f4 ?" k! m6 C. zrated output voltage of the charger. The battery is charged while briefly subjected to$ u9 G, n, {$ @* W( S4 O
the simulation of any single component failure that is likely to occur in the charging
! x) Z, c/ K- g! Wcircuit and that results in overcharging of the battery. To minimize testing time, the
1 r1 |8 t* S6 U: Sfailure is chosen that causes the highest overcharging current. The battery is then0 P/ U% X( r1 f! I( [
charged for a single period of 7 h with that simulated failure in place. |
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