three-phase design

On the roller with VVVF three-phase asynchronous motor design

浅谈辊道用变频调速三相异步电动机的设计

This design is in pastel colours with three rectangles and three triangles.

这一设计由淡色的3个长方形和3个三角形构成。

To design and realize a large scale video frequency switching network, which is rearrangeable and nonblocking, taking the video crosspoint switch as the basic switching unit, a three stage nonblocking Clos network was constructed, and the signal route was selected by a route table.

设计和实现一个可重排无阻塞的大规模视频矩阵切换网络.基于多级互连网络，以视频交叉点开关作为基本的交换模块，组成一个三级非对称Clos网络。

The effect of practical prestressing on the static specialties of a kind of column-supported lattice shallow spherical shells is studied through the example of three-phase prestressing design.

以预应力三阶段设计为例分析预应力施加对柱支承扁网壳静力性能的影响。

This design is in pastel colours with three rectangles and three triangles

这一设计由淡色的3个长方形和3个三角形构成。

The development and design of virtual experiment for measurement of three-phase AC circuit

三相交流电路测量的虚拟实验开发与设计三相交流同步发电机

Results show that, higher fortification intensity ( 8 degrees, 9 degrees),ⅳ type ground, highly irregular structures and structures that have a height close to the limit of code, are suitable to consider three-phase design.

结果表明，对于较高烈度（8度、9度）、Ⅳ类场地、不规则程度较高且高度接近规范限值的部分建筑结构，宜考虑三阶段设计。

The Design of Three-phase Pay in Advance Electrometer

一种三相预付费卡表的设计

Manage information system of electronic consume for coal mine based on new three-phase digital ammeter design

基于三相数字电表研制的煤矿井下用电管理系统

Through an example shows the three-phase design method is effective and feasible.

通过算例表明了三阶段设计方法是有效、可行的。

Based on the example of plug reversal braking control of reversible operation of three-phase induction motor, in different design methods, the application of PLC in the control of the three-phase induction motor is presented.

以三相异步电动机可逆运行反接制动控制为例，用不同的设计方法，阐述了PLC在控制中的应用。

On basis of the analysis to the double feeding back velocity regulation principle, bi-variant AC-AC transducer serves as three-phase power supply to design a double feeding back velocity regulation system, and which is made experimental analysis.

在分析双馈调速原理的基础上，引入双变量交-交变频器作为转子三相电源，设计一双馈调速系统，并进行了实验分析。

First modular design the three-phase phase lock loop, which realizes functions of the phase discriminator, loop filter and NCO. With the top connections finished, the whole three-phase PLL design has completed.

首先对三相锁相环进行模块化设计，然后分别实现了鉴相器、环路滤波器和数控振荡器的功能，最后经过顶层连接，完成了整个三相锁相环的设计。

The Variable Metric Method for Constrained Optimization has been believed to be one of the most effective methods for the nonlinearly constrained optimization problem since 1980's. A successful application of this method to three-phase induction motor design is presented in this paper.

报告了求解非线性规划的最有效算法之一&约束变尺度法在三相感应电机的优化设计中的成功应用。

The Application of Three-phase Modulation to the Design of On-ship Gyrocompass Power Supply System

三相脉宽调制技术在船用罗经电源设计中的应用

Research and Design of Portable Three-phase Multifunctional Volt-ampere Phase Meter Based on DSP

基于DSP的便携式三相多功能伏安相位仪的研制

And the necessity of its design of three dimensions and correlated techniques are presented.

讨论了数字装配工艺三维化的必要性及相关的技术问题；

An optimum design method is introduced for the circuit of a three-phase frequency changer.

在变频器电路的基础上,阐述了一种滤波参数优化设计方法.

Discussion on the Necessity and Implementation Method of Three-level Three-phase Seismic Design for Building Structure

三水准三阶段建筑抗震设计必要性及方法探讨

The quaternion feedback control laws was studied for the three-axis stabilization control using reaction wheels, a design method for the PID controller parameters was presented and the simulation results indicated that the control algorithm works efficiently.

针对以反作用飞轮作为执行机构的三轴稳定控制情形，研究了四元数反馈控制算法，给出PID控制器参数的设计，仿真结果验证了控制器设计是合理的。