以 24V 鉛酸蓄電池為例,過程是:接好電池,開啟后,充電電源軟啟動,電壓從 21.6V(電
池放電下限值)開始上升,充電電流逐步增大到額定恒流值,充電電源進入恒流充電過程,此
后充電電壓逐漸升至 28.2V(均充電壓值),此恒流充電過程一般情況下約需 1~2 小時;然后,
充電電源進入均衡充電過程,在此過程中,充電電流逐漸緩慢下降,電源退出恒流工作,此時
電源電壓不變,進入到恒壓均衡充電狀態,此充電過程約需 4~6 小時,隨著電流的進一步減
小到額定電流的十分之一時,電源自動判斷為電池已充好,電源自動轉為浮充階段,即輸出電
壓將為 26.4V,充電電流則進一步減小甚至為零,在沒有外部變化情況下,此后電源一直維持這
種狀態,補充電池的自耗電。采用這種充電方式能夠較快、均衡的對電池組進行充電,充滿后
充電電源能自動轉換到浮充,維持電池正常電壓避免出現電池過充,從而實現無人值守充電工
作方式。
Take the 24V lead acid battery as an example: the process is that when the batteries are
connected and turned on, soft starting of the charging power supply is finished; voltage rises from
21.6V (lower limit of battery discharge); current increase steadily to rated value of constant current;
charging power supply enters into process of constant-current charge; the charge voltage gradually
rises to 28.2V (average voltage charge voltage), and the constant current charge usually lasts for
1-2 hours. Then the charging power supply enters the process of equalizing charge, and in the
process the current gradually falls; the constant-current work of power supply ends. The power
supply keeps being unchanged, and enters into the status of constant-voltage equalizing charge; the
process lasts for 4-6 hours; as the current further falls to be 1/10 of the rated current val ue, the
battery is automatically regarded as fully charged, and the power supply enters the stage of floating
charge, i.e. the output voltage will be 26.4V and the charge current further falls to zero; then the
power supply keeps the status to supply the self-consumption. The manners enable fast and
equalizing charge of battery, and the charging power supply automatically switches into status of
floating charge to maintain the usual voltage of battery and avoid overcharging, thus the b of
charge without people’s supervision is realized.
備注:對不同種類的蓄電池其充電方式和充電電壓是不同的。
Notes: Charge bs and voltage of various types of battery are different