The overmodulation algorithm is applied in the PMSM vector control system to increase output voltage of SVPWM inverter, and to extend the PMSM operation range.
将这种过调制算法应用于永磁同步电机矢量控制系统中，提高了逆变器直流母线电压利用率，实现了对永磁同步电机弱磁运行区域的扩展。
This system can indicate the received signal strength, and its operation voltage can be adjusted in very wide range.
该电路的工作电压范围宽，可以显示接收信号强度。
The new liquid crystals feature wide working temperature range, low voltage operation and high reliability.
新型液晶的特点是：工作温度范围宽，工作电压低，可靠性高。
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。
The new liquid crystals feature wide working temperature range, low operation voltage and high reliability.
新型液晶的特点是工作温度范围宽，工作电压低和可靠性高。
The new liquid crystals feature wide working temperature range, low operation voltage and high reliability.
新型液晶的特点是工作温度范围宽，工作电压低和可靠性高。
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