并通过实例计算，对六相和三相的计算公式进行了比较分析，从而获得了一些具有工程实际使用价值的结论。
The comparative analysis between 6-phase formula and 3-phase formula is made with example and some useful conclusions are obtained.
我们通常的相图是这样，这个轴是温度轴，这个轴是压强轴，这里是三相点。
So our usual phase diagram here with temperature on this axis here and pressure on this axis here, and we've got our triple point sitting here.
本文中首次提出了高频两相、三相驱动的方案。
Two phase driving and three phase driving in high frequency were proposed firstly.
尽管设计中多数分离器仅分离气液两相，但可制造出分离天然气、液态烃和游离水的三相分离器。
Although most separators are two-phase in design separating the gas and liquids, they can be built three-phase to separate natural gas, liquid hydrocarbons, and free water.
利用光纤探针试验研究垂直上升管内气、水、油三相弹状流截面相份额的规律。
An optical fiber probe is used to study the cross-section of oil-gas-water three-phase slug flow in vertical tubes.
作者还讨论了建立相坐标下三相变压器谐波模型的基本方法。
Finally, the elementary procedure for establishing the harmonic models of three phase transformer in phase coordinate system is discussed.
本文研究了三相逆变器的数字化控制方案。
In this dissertation, digital control method for three-phase inverter is researched.
提出了一种基于三相电压型PWM逆变器的电压电流双闭环控制方法。
This paper puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
该文以同步旋转坐标系模型为基础，设计了三相电压型PWM整流器的级联式非线性PI控制器。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
三相单向换能器具有损耗小，带宽大(30%)等优点，但是这种换能器的调整较困难。
SAW 3-phase unidirectional transducers offering advantages of. low loss and wide bandwidth (30%) have great difficulty in adjustment.
分析表明，线路末端三相故障时，线路首端的测量阻抗不与故障距离成正比。
The analysis shows that the measured impedance at the head of the line is not proportional to the fault distance when a three-phase fault occurs at the end of the line.
三相电路的分析比单相电路难不了多少。
The analysis of three-phase circuits is little more difficult than that of single-phase circuit.
本文主要论述三相直流无刷电机调速系统的硬件设计方法。
This article mainly discusses the designations of three-phase BLDCM velocity modulation systems hardware.
分组方法：依据三相骨显像的显像结果，患者分成2组，显像正常组和异常组。
Sets: According to the results of three-phase bone scan, the patients were divided into 2 groups: normal and abnormal groups.
同时对三相流的流动性能进行了研究。
At the same time, we also studied flow characteristics of the three-phase.
给出了一种以单片机为核心的三相晶闸管交流调压的数字移相控制方法。
And it presents a novel digital phase-control method based on three-phase thyristor voltage regulation by micro-computer.
如何定义三相系统的瞬时无功电流、瞬时无功功率一直是学术界关心的问题。
How to define instantaneous reactive current and reactive power in three-phase non-sinusoidal asymmetrical systems is still a concerned problem by academia.
通过测量各相对地的残压来判定发电机三相是否对称的方法是不准确的。
When determine whether the three phases are in balance, directly measuring phase residual voltages to ground is proved to be inaccurate.
功率强劲的三相输出可免除人力盘车的难题。
Strong three-phase power output solves the trouble of hoisting the car by manpower.
通过二、三值逻辑开关函数间的转换，系统地描述了三相CSR三值逻辑PWM信号发生中的状态切换；
A systematic description of the state switching in trilogic PWM signal generation of three-phase CSR by using the conversion between bilogic and trilogic switching functions.
研究工作表明，三相泡沫封孔技术是一项具有广泛实用前景的新技术。
The research proved that the sealing technique of triphase foamy fluid is a new technology which will have vast practical prospects.
佛罗里达的研究人员已经开展了一种三相多排探头ct (MDCT)检测方法用以排除引起胸痛的三种最危险的原因。
Researchers in Florida have developed a triphasic multidetector-row ct (MDCT) method for ruling out the three most dangerous causes of chest pain.
最后给出额定功率为1.5KVA的三相静止变流器的试验波形和实验数据，试验结果表明该系统具有良好的动静态性能。
Finally, the experiment waveforms and data about 1.5kva three-phase static inverter are described and the results indicate that the system has excellent dynamic and static state performance.
给出了典型元件的三相模型，特别是给出了铁道牵引变电所的三相模型。
Three phase models of typical elements , especially the model of railway drawing substation , are provided .
本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
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