并联

A novel design of shunt active power filter equipment in three-phase three-wire system based on DSP is proposed.

并联有源电力滤波器主电路设计是核心环节之一。

The paper investigates the problem of three-phase and three-line shunt APF with simulation and experiment.

本文分别采用了仿真和实验的方法对三相三线并联型有源电力滤波器各个方面的问题进行了研究。

Three-phase three-line shunt Active Power Filter can be used to restrain harmonic currents and compensate reactive power current on-line.

三相三线并联有源电力滤波器能够实时的补偿谐波电流和无功电流。

This paper analyzes the hidden danger s in high voltage power supply of the ELA-120/6 electron beamwelding machine, and proposes two countermeasures:one is to redesign the fuel tank control circuit,but use operation regulations to solve the problems;another is install parallel connecting discharge resistor on high voltage capacitor.

分析了EAL-120/6型电子束焊机高压电源存在的安全隐患，提出了消除隐患的两种措施：一是不改动油箱电路，从操作规程上加以解决；二是给高压电容加装并联放电电阻支路。

The series resonance type fault current limiter has the advantage of simple operating principle and topological structure etc. It may be designed with serial compensation following the condition of the electrical network. However, from the simulation, we draw the conclucion: in the process of restraining fault current after a fault occurrence in electrical network, capacitor and parallel inverter switch will stand for poor working condition.

串联谐振式限流器具有工作原理、拓扑结构简单等优点，并且可以根据需要设计成带串补型，但通过仿真分析得出：其在电网发生短路故障进入短路限流工况过程中，其电容器及并联转换开关将工作在相当恶劣的条件下。

Six-bar parallel mechanism used in synchrotron radiation beamline is a special Stewart mechanism with 6 degrees of freedom.

光束线六杆并联机构是一种特殊的台体型Stewart机构，具有6个自由度。

Kinematics Analysis of six-bar parallel mechanism provides a theoretical foundation for the platform's fine adjustment in synchrotron radiation beamline.

六杆并联机构的运动学分析为光束线光学平台的精密调节提供了理论指导。

Based on the inverse kinematics, forward kinematics of six-bar parallel mechanism in beamline is obtained by trust region method for nonlinear optimization. The corresponding program with MATLAB language is also designed.

以六杆并联机构的逆运动学为基础，采用信赖域法对非线性超越方程组进行优化，编制相应的MATLAB程序，求解机构的正运动学，得到了动平台中心的运动轨迹和基本规律。

The simulation result of error model of six-bar linkage of 5 degrees in the machine shows that the error model base on the method above is accurate and the modeling method is correct and reliable.

五轴并联机床约束机构误差模型仿真结果表明，上述建模方法正确、可靠，由此得到的误差模型精度高。

As a kind of fine adjusting devices, six-bar parallel mechanism is widely used to adjust mirrors' attitudes and keep stable in synchrotron radiation beamline. Parallel mechanism is a new adjusting device.

三者的核心部件即光学元件的稳定与调节均由精密调节平台完成，六杆并联机构以其独特的优点，在同步辐射光束线中得到了越来越多地应用。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。