phase angle

The function of boost voltage phase angle of coupling transformer, a potential control variable in power system, is analyzed.

本文着重分析电力系统中联络变压器附加电势相位角这一尚未引起人们注意的控制变量在电压&无功功率优化中的控制作用；

Inrush current and over excitation of 750 kV transformer were also analyzed, a novel method of adjusting differential current phase angle of transformer for transforming from delta to wye as well as the methods of calculating frequency by software and calculating voltage amplitude by the root-mean-square were presented.

分析了750kV变压器励磁涌流和过励磁的问题，针对励磁涌流提出了Δ→Y变换调整变压器差动各侧的电流相位方法，针对过励磁问题提出了软件计算频率和均方根法计算电压的幅值；

Adaptive Prediction of the Reference Phase Angle in Real-time Phasor Measurement of the Electric Power System

电力系统实时相角测量中的参考相角自适应预测

That are the amplitude changes of rotation speed frequency, and initial phase angle.

并分析了影响其抑振效果的三个因素：转速变化幅值，频率以及初相角。

The system can set the excitation phase angle in the man-machine interface and control excitation by computer operation; it also can show test results, making the detection of the contactor phase-selection excitation and contactor bounce intelligent and visual.

该系统通过上位机的控制操作，在人机交互界面上设定激磁相角实施控制合闸，并显示检测结果，从而实现了接触器选相激磁及其触头弹跳的智能化、可视化检测。

Each phase angle positive or negative, is referenced to the horizontal.

还是负的, 都是相对于水平轴来说的.

Each phase angle, whether positive or negative, is referenced to the horizontal.

每个相角不论是正的还是负的, 都是相对于水平轴来说的.

The augment of the phase angle will also promote vacuum arc to go diffuse.

分闸相位角的增大也会加速真空电弧向扩散型的转变.

Thirdly, visual simulation of actuating mechanism of AC contactor was carried out using ADAMS under different switch phase angle and excitation voltage.

第三，利用ADAMS软件对交流接触器操动机构进行了不同合闸相角、不同励磁电压下动态特性的可视化仿真。

Introduce calculation of phase angle for response of foundation power under action of simple harmonic perturbation force of crank piston type compressor, especially discuss phase angle calculation of level rotation power response by using vibration resolution method in detail.

对活塞压缩机基础在简谐扰力作用下的动力响应相位角的计算，特别是运用振型分解法对水平&回转振动动力响应相位角的计算进行了详细的讨论。

Study and implementation of the algorithm for bus synchronized voltage phase angle measurement

母线电压同步相角测量算法研究及实现

Under a certain condition, this interface impendance can be transferred to the constant phase angle ( CPA) impedance. Filters, couplers and baluns are fabricated in the high frequency passive device integration regions.

在一定条件下，此界面阻抗过渡到恒相角阻抗。滤波器、合器和平衡非平衡阻抗转换器系制造在高频被动元件整合区域内。

Analysis to Relationship between Phase Angle of Self-Synchronous Vibration Screen and Angle of Vibration Direction

自同步振动筛相位差角与振动方向角关系分析

PLL ( Phase Lock Loop) technology is employed to realize the frequency tracing and constant phase angle control;

通过采用锁相环技术实现了逆变器工作频率的自动跟踪和容性逆变角度的恒值控制；

After the rotor passes its resonant zone, the phase angle does not increase any more, and it begins to fluctuate around a constant value ( 2n+ 1)π rad.

在远离临界转速的高速区，转子的相位角不再增大，而是围绕某一定值波动，此定值为（2n+1）πrad（n为自然数）；

This kind of summation method does not require the probability distribution of each random vector is within the interval ( 0, 2 π) in phase angle, so less statistical samples value is to be used.

这种求和方法不要求各个随机矢量在相位上具有0~2π的概率分布，使用的统计样本值较少。

Theoretical calculation shows that the sun phase angle, observation distance and the brightness magnitude of the targeted satellite change significantly because of no earth curvature effect and large separation distance in position.

仿真计算表明，天基观测由于不受地球曲率影响，且观测几何拉开，太阳相位角、观测距离变化范围较大，因此目标卫星视星等变化范围较大。

Phase Angle Phase angle refers to the relation between two sine waves which do not pass through zero at the same time.

相角相角指的是两个不同时经过零点的正弦波之间的关系。

Development of multi-function real time phase angle monitoring system and its application in Northwest China Power Grid

广域电网相量测量系统在西北电网的开发及应用

Then we conclude the five-bar's classification and the gear ratio and phase angle in each classification to be full rotatability.

然后详细的讨论了五杆机构在每一种分类情况下机构中存在双曲柄时机构的传动比及相位角的范围。

Research and Development of Test on Oil Pump Phase Angle

油泵相位角动态测试的研究与开发

Direction of Arrival Estimation Approach Based on Phase Angle Feature of Correlation Function Using RBF Neural Networks

基于互相关函数相角特征的RBF神经网络来波方位估计

The energy depends on the unit-operating capacity of system, length of lino and the phase angle difference of sources both sides of the closing resister.

通流容量与系统开机容量、线路长短及合闸电阻两侧系统电源的相位差有关。

Direct Measurement of Power Angles in Wide-area Power System Dynamic Supervisory Development of multi-function real time phase angle monitoring system and its application in Northwest China Power Grid

电力系统广域动态监测中的功角直接测量技术广域电网相量测量系统在西北电网的开发及应用

The model contains ohm resistance, a constant phase angle element ( CPE) standing for double electrical layer on porous electrode, charge transfer resistance and Warburg resistance.

模型包含欧姆阻抗、多孔电极双电层的恒相位元、电荷传递阻抗和Warburg阻抗。

The phase angle of quasi total reflection of low frequent inhomogeneous electromagnetic wave on the interface of conductive media

电场平行于入射面的低频电磁波在导电界面的类全反射相角

For power transformer with Y/ d connection, two current compensation methods of Y d and d Y are usually used in differential protection to revise magnitude and phase angle.

对于星形/三角形（Y/d）连接组的变压器，形成差动量一般采用2种转角方式：Y侧电流移相转角（Yd）和d侧电流移相转角（dY）以实现二次电流的幅值和相位校正。

It also derives and solves the differential equation expressing the sliding motion of the particle, and hence ascertains the phase angle where the particle is about to leave the edge of the bucket during discharging.

推导颗粒运动微分方程并求解，从而确定卸料时物料颗粒脱离料斗边缘时的料斗相位角。

Closed phase angle has important effect on the dynamic behavior of AC contactors contact bounce, especially.

合闸相角对交流接触器的动态特性, 尤其是触头碰撞弹跳有重要影响.

It is found that: spherical particle, more particles content, and 15 degrees phase angle are better for composite material mechanical properties.

结果表明：圆球颗粒、较高颗粒含量、15°的相位角对颗粒增强铜基复合材料的增强效果较好。