three-phase three-wire system

A digitally controlled shunt active power filter based on DSP is designed for three-phase three-wire system.

针对三相三线制供电系统设计了一采用DSP数字控制的并联有源滤波器。

The three-axis attitude stabilization of the rigid satellite has been studied. And, the influences of the external disturbances on the system stabilization have been studied. 4.

设计了刚体卫星的三轴姿态稳定控制律，分析了外界干扰对刚体卫星姿态的影响和系统的稳定性。

Simulation and Design of Shunt Active Power Filter in Three-Phase Three-Wire System

并联三相三线制有源电力滤波器的仿真与设计

The exact solutions of frequency of nonlinear free vibration for a single degree of freedom system with restoring force described by three straight lines with different slopes are given.

给出了恢复力-位移曲线由三段斜率不同的直线构成的单自由度系统自由振动频率的精确解。

The Effect of XIU Three Needles on Cholinergic System in the Cerebral Marginal Lobe of the Alzheimer Disease Rat

嗅三针对痴呆大鼠大脑边缘叶胆碱能系统功能的影响

With regard to the three-phase three-wire converter system, the phase dependency problem is studied in details and two decoupling schemes for the parabolic PWM current control are developed.

以三相三线电压型变换器系统为研究对象，系统研究了抛物线法电流控制技术的三相解耦控制问题，并提出了两种解耦控制方法，即虚拟零序电流解耦法与虚拟两相电流解耦法。

It is suitable for both three-phase three-wire system and three-phase four-wire system.

该公式既适合于三相三线制系统，也适合于三相四线制系统。

Videoconferencing system three vidicon film camera

[港]视像会议系统三视像管电视电影摄像机

The parameter design idea of the DC side energy storage component in the single-phase PWM converter is applied into three-phase three-wire system, and the values of the voltage and capacitance at the DC side are determined.

将单相变流器直流侧储能元件的参数设计思想应用在三相三线制系统中，确定了直流侧电压值和电容值。

Comparing with the traditional single stage video switching network, the number of crosspoints and switching units used in the three stage network is reduced substantially and the whole switching system is simplified greatly;

与传统的单级视频切换结构相比，大大减少了网络中交叉点开关数和交换模块数，简化了交换系统；