差动

蜗杆砂轮磨齿机切向差动磨削的研究管子的切向射线照相法

Research on the grinding method by tangential differential action on the worm wheel grinding machine TANGENTIAL RADIOGRAPHIC TECHNIQUE FOR PIPES

该文研究的是一种新型的基于同步齿型带的差动直线运动机构。

This paper studies linear actuators based on differential motion of timing belt pulley .

基于多Agent技术的分相电流差动保护方案

Split-hase current differential protection schemes based on multi-agent technology

P级TA饱和对数字式比率制动特性差动保护的影响

Impaction of P-type CT saturation on digital ratio-restrained differential protection

差动式光纤Bragg光栅加速度计传感头设计与仿真

Design and simulation of sensor of differential fiber Bragg grating accelerometer

分离应变和温度的差动式光纤Bragg光栅传感器

Differential-mode Fiber Bragg Grating Sensor for Separating Strain and Temperature

基于差动电流差分值的TA饱和判别原理

Distinguishing Principles of TA Saturation Based on Difference Value of Differential Current

分析了CT匝数比误差对高阻抗差动保护的影响，并介绍了匝数比误差的测量方法。

The influence of CT turn ratio to high impedance differential protection is analyzed , and the method of measuring turn ratio error is also introduced .

由两个SAW谐振器组成差动式测量结构，具有较高的灵敏度，并减少了温度对测量结果的影响，对迟滞效应带来的误差有一定的补偿作用。

A difference frequency measurement structure between two SAW one-port resonators has a high sensitivity and a little temperature impact . It also can compensate the hysteresis errors .

文中采用的螺旋角β是在滚齿时，采用各种机床差动挂轮的计算公式计算出来的，精华为一个k值的计算公差。

The calculation formula for differential change gear of different machine tool is used in choosing helix angle of the points-line meshing gear in this paper .

差动保护因TA的饱和造成保护误动，采用功率方向保护避免因TA饱和造成误动。

Differential protection 's unwarranted trip is often caused by saturation of TA . Avoid it by directional power protection .

电流差动保护中的TA饱和造成了对短路电流的变换误差，从而影响了差动保护的动作可靠性。

In differential protection , the reliability of protection is influenced seriously by the TA 's transform error when TA saturated .

详细介绍了一种新型的基于双光纤Fabry-Perot干涉式（以下简称DFPI）差动检测的静电伺服硅微加速度计的设计。

The paper describes the design of a novel micro-mechanical electrostatic servo accelerometer based on double fiber Fabry-Perot interferometers .

MCD光纤电流差动保护装置的性能特点及调试运行中应注意的问题

Functions of MCD Fibre Line Differential Protection and Some Problems in Commissioning and using

带相敏检波器的线性可变差动变压器（LVDT）读出电路的设计

The design of a linear variable differential transformer readout circuit with phase-sensitive detector

相序差对35kV电缆线路差动保护的影响与消除

Effect of Phase-Sequence Difference on Differential Protection for 35 kV Cable Line and its Elimination

110kV变电站变压器差动保护动作原因分析

Analysis of Mai-operation of Transformer 's Differential Protection in a 110 kV Substation

采用模块化设计原理，应用现代气动元件、高精度差动电感传感器、PLC等组成自动分选仪，实现了对滑片几何参数进行高精度快速测量。

In order to realize measuring geometric parameter of slip accurately and quickly , the author adopts the module design principle , and uses modern pneumatic component , high-accuracy differential inductor sensor and PLC to make up the automatic sorting appearance .

利用数据库管理软件FoxPro的数据管理功能并利用其提供的函数和命令编写程序，进行齿轮参数计算和差动挂轮组优化选择。

The paper computes the gear parameters and optimizes the choices of differential gears by making use of the data management function and programs written in functions and commands of FoxPro .

CD-10型发电机差动保护误动作原因分析及对策

Cause Analysis of CD-10 Generator Differential Protection Misoperation and Its Countermeasures

但对相间短路故障，三相式变压器△侧绕组差动保护接套管TA时，接法不同，保护效果则不同。

But for inter phase short circuit fault , the different TA connection modes have different protection effectiveness when the bushing TA is connected to the differential protection relay at delta side winding of 3 phase transformer .

文章在分析、比较基于3种不同CT特性的比率制动差动保护动作特性的基础上，给出了相应的动作区示意图，并指出采用ECT可显著提高差动保护的灵敏性；

By means of analyzing and comparing action characteristics of three ratio restraint differential protections based on different CTs , corresponding operation-resistance curves are given , and it is pointed out that the sensitivity of differential protection can be evidently improved by using ECT .

本文对蒸汽发生管道涡流检测中的细孔状缺陷进行了模拟，涡流探头为一对差动式Bobbin线圈。

In this paper , the simulation of a fine hole in a steam generator tube wall was carried out . The ECT probe is of a pair of difference bobbin coils .

在两者结合的基础上，提出变压器差动保护TA饱和检测新方法.该方法能够有效防止区外故障TA饱和时的电流差动保护误动作。

On the basis of combination of both , a new method of detection for transformer differential protection against CT saturation is proposed . The method can effectively prevent the current differential protection external mal-operation at the time of CT saturation .

RCS-985微机差动保护在威海电厂的实施及应用

The Implementation and Application of RCS-985 Microcomputer Differential Protection in Weihai Power Plant

LCD-16差动继电器的系统接线与整定计算

System Wiring and Setting Calculation of LCD-16 Differential Relay

CDR-1型差动热分析仪常见故障的分析与检修

Analysis and Overhaul of Common Breakdowns of CDR - 1 Dynamic Differential Thermal Analyser

在光盘标量衍射模型的基础上，引入光电探测器的位置误差参数，根据DVD-ROM的盘片参数，计算并分析了位置误差对差动相位探测（DPD）信号的影响。

The influence of PDIC position error on the DPD ( Differential phase detection ) signal is analyzed and computed using the DVD-ROM parameters based on the optic disk scalar diffraction model .

文章在简要介绍浙江电力光纤骨干通信网概况和分相电流差动保护特点的基础上，重点探讨了500kV线路主保护的光纤配置问题。

The paper introduces backbone power communication network in Zhejiang , discusses main protection configuration for 500 kV power line based on the characteristics of current differential protection in each phase .

为了解决物体微小位移或微小振动的超低频高精度检测与装调间的矛盾，提出一种倒置差动式4f激光多普勒光栅检波系统。

To resolve the contradiction between the measurement of micro-displace or high-accuracy detecting of micro-vibration of ultra-low frequency and the convenience of building and adjusting , a inverted differential 4f grating demodulation system of laser Doppler is put forward .