the_range_of_operating_voltage

1.Experimental result shows that the method makes the operating voltage of electric-light source maintained at the range required voltage level of power saving.
实验证明，该方法使电光源的工作电压基本保持在所要求的节电等级的电压范围内。
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2.After illustrating the operation theory of six pulse converter, author gives the calculating method of UHVDC transmission parameters such as operating power, voltage, current and tap changer range.
在此基础上确定了溪洛渡—株洲特高压直流输电工程换流变压器的额定功率、电压、电流和分接头的变化范围等参数。
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