However, when single-phase-to-ground fault occurs in the three-phase transmission lines, the polarity of traveling waves is affected by the configuration of buses at both ends of protected lines and traveling waves obtained at measurement.
在三相线路上发生单相接地故障时,线模行波极性受保护线路两侧的母线结构和测量点行 波大小的影响,基于单端线模行波极性正确识别第2个反向行波是故障点反射波还是对端母线反 射波非常困难。
The theory of XDAC and applications of the tool in evaluating the reservoir
偶极子声波的正交原理及其在地层评价中的应用
In thoery, it is feasible to obtain the shear wave of the formation by dipole acoustic imaging well logging through the casing.
过套管利用偶极子声波成像测量获得地层横波资料,在理论上讲是可行的。
Realization of Dipole Array Acoustic Logging System and Research on Detection Algorithm;
偶极子阵列声波测井仪的实现及相关检测算法研究
The geologic application of orthogonal dipole array acoustic data in the reservoir evaluation of Jiangsu exploration area
正交偶极子阵列声波资料在江苏探区储层评价中的地质应用
dipole dipole interaction
偶极子与偶极子相互酌
Dipole Source Identification in Last Stage of Propylene Compressor
丙烯压缩机末级偶极子气动声源识别
Design of Data Acquisition and Processing Circuit of Cross-Dipole Acoustic Logging
交叉偶极声波测井的数据采集与处理电路设计
The Design of Sandwich Dipole Transducer Based on Finite Element Method
三叠片型偶极声波测井换能器的有限元设计
Printed Wideband Log-Periodic Dipole Antenna Fed bySubstrate Integrated Waveguide
基片集成波导对数周期偶极子阵列天线研究
Application of Dipole Shear Wave Logging in Evaluation of Fracturing Effect
偶极子横波测井在压裂效果评价中的应用
Log-Periodic Dipole Antenna Fed by Half-Mode Substrate Integrated Waveguide
半模基片集成波导馈电的对数周期偶极子天线
Numerical Study on Blade-Passing Frequency Noise of Aerodynamic Dipole in a Centrifugal Fan
离心风机基频气动偶极子噪声的数值研究
Application of Cross-dipole Acoustic Logging Data to Formation Stress Analyses in Central Sichuan Zone
交叉偶极声波资料在川中地区地层应力分析中的应用
Processing of Multipole Array Acoustic Log Data and Its Application
多极子阵列声波测井资料处理及应用
The comparison and study of two kinds of isolators of mulipole array acoustic logging tool
MPAL多极子阵列声波测井仪新型隔声体研究
a molecule that is a permanent dipole.
是永久性偶极子的分子。
We now show how to calculate molecular dipole moments from wave function.
我们现在说明如何从波函数来计算分子的偶极矩。
interaction of magnetic dipoles
磁偶极子的相互作用