以下为句子列表：
英文: Is the stator three phase line voltage the same? And is it current zero?
中文: 定子三相电压是否相等？其电流是否为零？
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英文: Purpose of the rectifier transformers is to operate with the AC/DC power converters connected to them, to adapt the power line voltage to the voltage required by the load but can't provide galvanic separation between load and power line.
中文: 整流变压器的作用是连接到AC/DC电源转换器上将电源侧电压转换为负载所需电压但不提供负载和电源之间的电隔离。
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英文: The generators are of three-phase four-wire type,making use of star connection with neutral point.The rated line voltage is 400V.phase voltage 230V.frequency 50Hz,power factor 0.8(lag).It can provide 60Hz and the other voltage's generator according to nec
中文: 本发电机为三相四线制，采用带有中性点的星接法，额定电压为400伏，相电压为230伏，频率50赫，功率因素0.8（滞后）根据用户需要，也可提供60赫及其它电压值的发电机。
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英文: This controller is based on single-chip microcomputer AT89C51, and it can realize automatic welding, line voltage compensation, welding current and voltage display through the combining of constant current and voltage supply control with varied sets of st
中文: 该控制器以AT89C51为控制核心，在恒压和恒流控制结合的基础上可实现钢筋网焊自动化，并具备网压补偿、焊接电流电压显示、多套规范参数存储、故障自诊断及系统自保护等功能。
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