A new method for SAPWM in direct current control of PWM rectifier;
三相PWM整流器直接电流控制中进行SAP WM调制的新方法
According to dynamic reactive power compensation in distribution power system,a ±50 kVA D-STATCOM based on DSP direct current controller is proposed.
根据配电网无功功率动态补偿的工程需求,研制了一种基于DSP直接电流控制的±50 kVA配电网静止同步补偿器(D-STATCOM)装置。
The fixed switching frequency of single P direct current control for the AC/DC stage and the classical dual-loop co.
根据其主电路的两级AC/DC/AC变换结构,分析了起传递能量桥梁作用的直流母线电容工作和谐波产生机理,提出了将两级PWM变换器分开控制的方案即前级变换器采用固定开关频率的单P环直接电流控制,后级变换器采用三角波调制的经典电压外环和电流内环的双闭环结构。
Abnormal Analysis of a 220 V AC Intrude DC Current Fault Caused by Electric-arc
220V工频交流混入直流控制回路造成的开关误跳问题分析
It is common for the direct current circuit to be interfered by alternating current voltage.
直流回路受到交流电压干扰,是控制回路中容易产生的现象。
The voltage of the analog signals in control and protection circuits are all below DC 24V.
控制和保护回路模拟信号的电压都低于24V直流。
DC low voltage control circuit is adopted that it is more suitable for the long time work under the unsteady power.
采用直流低压控制回路，更适于电压不稳连续长时间工作，安全性高。
Research on Parameters Optimization of the Main Circuits and Controllers in HVDC Systems;
直流输电系统主回路和控制器参数优化选择研究
Design of a Helicopter Two-Loop Control System Using H_∞ Loop Shaping Method
H_∞回路成形直升机双回路控制系统设计
Shunt circuit control strategy for HVDC rectifier terminal
高压直流电网整流端的旁路控制策略
A Test Device for the Control Circuit of SCR Inverter Power Supply
可控硅整流逆变电源控制回路测试装置
Modeling and H_∞of Quadrotor and Design of Loop Shaping Controller
四旋翼直升机建模及H_∞回路成形控制器设计
Studies on Control Technology of Brushless DC Motor in Railway Switch;
铁路转辙机用无刷直流电动机控制技术研究
Exiting Issues of Control Circuit in Direct-current Switch Machines
直流转辙机控制电路存在的问题与改进
A Simple Start-up Control Circuit' Design of DC Motor
一种简单实用的直流电动机起动控制电路设计
The Design and Realization of Controlling DC Non-brushing Motor Circuit on SOPC
基于SOPC控制直流无刷电动机电路的设计与实现
The Hardware Circuit Design of Direct Current Supply Controlled by PLC in Industry
工业用PLC控制直流电源的硬件电路设计
The control over the constant flow rate and moisture content of tobacco is the key technique in developing the production line of the direct moisture regain in tobacco.
烟叶的恒流量和恒含水量控制,是研制直接回潮生产线的技术关键。
High-speed protection for faults, either in the DC line or the DC terminal equipment, is provided by control of the valves.
无论是直流线路还是直流换流设备的快速故障保护,都通过对换流阀的控制来提供。
direct multiplex control
直接多路转接控制器
low-pass filters in controlloops
控制回路中低通滤波器