The problem is discussed on connecting between management unit of DC control power system and field bus of the substation automation system.
对直流系统管理单元纳入变电所综合自动化系统现场总线进行了研究。
The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
The result indicates the nonlinear variable structure control can adjust the transmission power of DC line effectively, and assure the stability of the AC-DC system.
仿真结果表明，非线性变结构控制可以有效地调节直流线路的传输功率，保证交直流系统的稳定性。
The DC system is capable of rapid response to changes in control setting, with DC power transfer changes occurring faster than in AC systems.
由于直流传送功率的改变要快于交流系统，直流系统对控制整定值能迅速作出响应。
Then both control scheme and operating principle of a double closed loop AC/DC power converter system are discussed by using physics.
在此基础上，提出了双向AC／DC功率变换器的一种双闭环系统控制结构，并从物理概念出发讨论了系统的工作原理。
In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
该系统以80c 196MC为控制核心，采用IPM智能功率模块为功率元件，组成了交直交电压型逆变器主回路。
The hardware of remote control system for defensive military battlefield consists of Command and control unit, central unit, DC power supply and peripheral units.
防御性军事战地远程控制系统硬件由指控单元、中央单元、直流电源和外设单元组成。
The robust adaptive control law is proposed for a HVDC power modulation controller of the interconnected AC/DC power system.
设计了应用于交直流互联电力系统的直流功率调制的非线性鲁棒自适应控制器。
DC power supply is mainly provide constant voltage power supply for control circuit, driver circuit and a variety of protection circuits and allows the system to work properly.
直流稳压电源主要是用于对系统中的控制电路、驱动电路以及各种保护电路提供恒压电源，使得系统能够正常工作。
This article presents a design of permanent magnetic brushless DC motor control system and mainly involves the hardware circuit design of speed closed loop and power module drive.
介绍了一种永磁无刷直流电机控制系统的设计方案，主要涉及速度闭环和功率模块驱动的硬件电路设计；并通过实验证明该设计可直接用于小型无刷直流电机的控制。
Working in a 600v DC power supply system, the type ZDB battery charger USES new power electronic insulated-gate bipolar transistors (IGBT) as switching device and adopts PWM control technics.
ZD B型直流电源变换器是工作在直流600v供电系统的变流装置。该装置以新颖电力器件IGBT作为开、关器件并采用PWM控制技术。
Based on function partition of modules and much sampling channels of power monitoring system for DC screen, a control system which takes MSP430 as control core and CPLD as extending ports is designed.
基于直流屏的电源监控系统的各模块功能划分与采样通道多等特点，设计了以MSP430单片机为控制核心，CPLD扩展端口的控制系统。
Gives an introduction to the application, working approach and designing of software and hardware in the rotation control system of low - power DC motors.
介绍了8051单片机在小功率直流电动机转速控制系统中的应用、实现方法、硬件设计及软件设计等。
The optimal design of HVDC control and protection parameters in the case of large-scale ac and DC power system network is a valid measure to ensure achieving good transient and stable performance.
对大规模交直流网络下的高压直流控制保护系统进行参数优化设计，是保证灵活交流输电系统暂态性和稳定性良好的重要手段。
Setting up the simulating DC power supply net, designing and implementing basically the signal acquisition and processing system based on the computer control technique.
搭建了模拟直流电网，设计并初步实现了基于计算机控制的信号采集与处理系统。
The protection and control system in subway DC power supply systems play a key role in ensuring the safety and reliability of the subway.
地铁直流供电的保护与控制系统对确保地铁的安全可靠运行起着关键作用。
The control systems, system s constitution and functions of a monitoring and control system of DC power source screen based on PLC were introduced in the paper.
介绍了一种利用PLC控制的直流电源屏监控系统的控制要求、系统组成及功能等。
The control and protection system in DC power distribution systems plays a very important role in ensuring the mass transit railway safe and reliable operation.
直流供电的控制和保护系统对确保轨道交通的安全、可靠的运行，具有举足轻重的作用。
Secondly, this paper described high-power DC drive system operation and control mechanism, and developed a system's overall program.
其次，总结阐述了大功率直流调速系统的运行和控制机理，并且制定了系统的总体方案。
The computer control system hardware based on S7400 PLC, the system power supply, full digital 6RA70 DC drive configuration for the system and PROFIBUSDP field bus configuration are introduced.
提出了S7 400系列计算机控制系统的硬件配置、系统的供电方式、全数字直流调速系统6RA70的传动配置方案以及PROFIBUS DP现场总线的连接方式。
Based on the power supply system on electric vehicle(EV) and the mathematical mode of brushless DC motor(BLDCM), a speed control system with bi-directional DC/DC converter was proposed.
在分析电动汽车电源系统和无刷直流电机数学模型的基础上，提出一种基于双向DC/DC变换器的无刷直流电机调速系统。
SCM control of permanent magnet brushless DC motor speed control system applicable to electric bicycles, and other low-power work.
摘要单片机控制的永磁无刷直流电动机调速系统适用于电动自行车等小功率的工作情况。
The disclosed excitation unit of rotatable electronic converter supplies stable adjustable dc excitation for synchro motor, promoting competitive power of speed control system of synchro motor.
本发明的可旋转电力电子变换器同步电机励磁装置能为同步电机提供稳定可调的直流励磁，可大大提升同步电动机调速系统的竞争力。
The disclosed excitation unit of rotatable electronic converter supplies stable adjustable dc excitation for synchro motor, promoting competitive power of speed control system of synchro motor.
本发明的可旋转电力电子变换器同步电机励磁装置能为同步电机提供稳定可调的直流励磁，可大大提升同步电动机调速系统的竞争力。
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