The design using ATMEL89C51 single chip to control the step-motor with its controller, driving circuit and LED display circuit to realize step motor open-loop control were introduced.
Installed in battery to battery exterior inspection of single-section for the opencircuit voltage tested and recorded.
蓄电池在安装时要对蓄电池外观进行检查,对单节开路电压作测试并记录。
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The result is that opencircuit fault does not affect output voltage of the system, but it apparently affects inductance current and output current of single module inverter.