maintained emergency lighting operation ballast 额定电池电压rated battery voltage 额定应急电源电压rated emergency power supply voltage ..
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池的额定电压、额定容量及应由多少节德国阳光蓄电池组合等。
Pool of the rated voltage, rated capacity, and by how much day Germany sun battery combination, etc.
不幸的是，在百分之七八十的电池工作时间内，其输出电压都分布在电池额定电压附近。
For this reason, DC-DC converters will not work in best condition at battery rated output voltage.
确保电池串两端的电压不超过开关模块的共模电压额定值和最大电压是非常重要的。
It is important to ensure that the total cell voltage across the string does not exceed the common mode voltage rating and the maximum voltage level of the switch module.
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