This study develops the switching power for the public bus voltage of the pumping frequency group control system and carries out a large number of experiments.
本文研究并设计了适用于抽油机变频群控系统这种特殊场合的开关电源，进行了大量实验并设计出样机。
It shows that the self-pumping type and pump-probe types bistable switching can both be realized in the same structure, and the latter can separate the pump and signal in frequency and space.
发现在二维耦合腔结构中，可以实现信号自泵浦和泵浦-信号两种类型的双稳态开关，且后者具有使泵浦和信号在频率和空间相分离的优点。
The results show, the light frequency shift can be effectively reduced in the sharp Angle laser light pumping scheme.
结果表明斜光抽运方案可以有效降低铯原子束频标中的光频移。
The paper introduces the yellow project pumping station frequency conversion speeder, and analyses the principle of the frequency modulation and the supplementary equipment performance.
介绍了引黄工程泵站变频调速装置，对其变频调速原理及其配套设备的性能进行了详细分析。
The optimization theory and method combined with variable frequency speed regulation technology is applied in this paper to realize efficiency optimization in water injection pumping stations.
利用最优化原理与方法结合变频调速技术实现注水泵站效率优化控制，以满足油田生产节能降耗的需要。
Applying variable frequency technique and automation control technique in intelligent oil pumping system improves the existing pumping unit.
应用变频调速技术、自动控制技术改造现有的游梁式抽油机，实现了抽油系统的智能化。
The movement law and electric driving system are analyzed. Variable frequency technique used in the system is discussed and PLC is used for automatic control of the pumping unit.
分析了数控抽油机的运动规律及电力拖动系统，论述了变频调速技术在系统中的应用。应用可编程控制器(PLC)完成抽油系统的自动控制。
Very high efficiency and stable single frequency (SF) operation was obtained by using model 801D ring dye laser at normal pumping level.
本文报告了利用801D型环形染料激光器，在一般泵浦功率下获得了甚高效率的相当稳定的单频运转结果。
Very high efficiency and stable single frequency (SF) operation was obtained by using model 801D ring dye laser at normal pumping level.
本文报告了利用801D型环形染料激光器，在一般泵浦功率下获得了甚高效率的相当稳定的单频运转结果。
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