复值小波变换能准确分辨出信号中所包含的幅值信息和相位信息，因而，适用于电力系统的故障信号的检测。
Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
应用“多回路分析法”深入、详尽地计算了13 104种短路故障的全部分支电流的大小和相位。
The phase and the size of all branch currents of the 13,104 kinds of fault of short circuit were calculated thoroughly thorough " mufti - bop analysis ".
基于小波变换的分析方法，提出了基于定子三相电流之间相位对称度检测的定子绕组匝间短路故障在线检测新方法。
Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.
相位信息在旋转机械的振动监测与故障诊断中起着重要的作用。
Frequency information plays an important role in vibration monitoring and fault diagnosis of rotating machinery.
后备继电系统将设置第一、第二与第三区方向距离继电器，以防相位故障与接地故障。
The backup relaying system will have first, second, and third zone directional distance relays for protection against phase and ground faults.
本文对故障电流相位修正测距算法进行了分析讨论。
In this paper the fault locating algorithm based on phase Angle modification of the-fault current component is discussed.
继电器具有相位故障保护和从手动转换为自动重置的功能。
Thermal overload relays offer phase failure protection and are convertible from manual to automatic reset.
在故障时刻，无论故障相电压的相位处在何种初始状态下，都有零序电流反向的特征。
At the time of failure, no matter what kind of start state of voltage phase, the zero-sequence transient current has the characteristic of inverse phase.
在实验中证实了全相位分析方法在故障诊断应用上的优越性。
It can be confirmed by the experiment that all phase analysis method has superiority in the application of fault diagnosis.
该方法利用小波变换分析所采集的故障暂态信号，提取用于选线的暂态信息，并采用综合相位比较法确定故障线路。
In this method the transient fault signals are analyzed with wavelets transform to obtain the transient fault information, and the fault circuit is selected by the synthetic phase comparison method.
进一步分析双谱相位信息，可以确定单缸断油时的故障缸位置。
Moreover, through analyzing the information of bispectrum phase, the fault cylinder position can be pointed out in misfire fault.
小电流接地系统发生单相接地故障时，故障线路与健全线路在特征频段内零序电流的相位差别是接地选线判据的重要依据之一。
The phase comparison between fault feeder and healthy feeder is one of important criteria in fault line selection for neutral non-effective grounding systems.
本文针对高压输电线距离保护及故障测距中常用的解微分方程算法，提出了一种零序电流相位修正的方法。
The paper proposes a method which corrects the Angle of zero-sequence current in the algorithm of differential equation used for distance protection and fault location of HV transmission lines.
当故障持续时间大于三路时钟相位差时使两路时钟同时采样到故障值，在反馈型电路会导致长时间的故障状态。
When fault duration is longer than phase difference will result in fault sampling by two registers and make feedback circuit in fault state for a long time.
仿真及对柔性转子试验台振动信号的分析结果表明，基于频谱细化和相位差校正的全息谱能有效提高其分析精度，更加精确有效地诊断旋转机械的故障。
With correction of phase difference for the max peak, the amplitude and phase of each order frequency can be acquired. At last, the holospectrum was synthesized.
分析结果认为：变频器输出电源的频率和相位与供电电源频率和相位不同步是造成计量系统产生故障的主要原因。
The results show that the frequency and phase position of frequency converter output power are out of phase with that of supply power, which is the main reason leading to metering system breakdown.
针对齿轮箱升降速过程中振动信号非平稳的特点，将阶次跟踪、角域平均和幅值、相位解调分析技术相结合，提出了基于幅值和相位解调分析的齿轮箱故障诊断方法。
In order to process the non-stationary vibration signals such as speed up or speed down signals effectively, the order tracking technique and Angle domain average technique were presented.
针对齿轮箱升降速过程中振动信号非平稳的特点，将阶次跟踪、角域平均和幅值、相位解调分析技术相结合，提出了基于幅值和相位解调分析的齿轮箱故障诊断方法。
In order to process the non-stationary vibration signals such as speed up or speed down signals effectively, the order tracking technique and Angle domain average technique were presented.
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