研究基于模糊控制的具有转速负反馈的晶闸管直流调速系统。
Thyristor direct current timing system of the base on fuzzy control and take on rotate speed negative feedback is discussed in this paper.
介绍一种用80 98单片机控制的高功率因数晶闸管直流调速器。
A direct current governor of thyristor of high power factor controlled by monolithic processor of 8098 type is introduced.
将晶闸管直流焊机与方波交流高频发生装置组合,构成方波交流高频焊接电源。
A square-wave AC high-frequency welding power source is composed of the square-wave AC high-frequency generator and DC welding machine controlled by thyristor.
利用线性最优调节器理论可以设计出具有良好性能指标的晶闸管直流电机控制系统。
D. C. motor control system with better performance indexes may be designed by the linear optimal regulator theory.
采用晶闸管直流斩波器的脉冲弧焊电源是由普通的直流弧焊电源,附加晶闸管直流斩波器组成的。
Pulsed arc welding power source by thyristor DC chopper consists of common DC arc welding power source and DC chopper.
为满足脉冲电源重复频率运行时直流电源的稳压性问题,设计了晶闸管快速充电自停自补单元,同时也提高了整个电源系统的效率。
In the case of repetition mode of the pulse power supply, Fast charging circuit is designed to enhance the stabilize and charging efficiency of the DC power supply.
介绍一种单电极直流电弧炉用大功率晶闸管整流装置的组成和工作原理。
To introduce the composition and working Principle of a thyristor rectifier unit of large power for DC EAF.
本文讨论的晶闸管的错位无环流可逆直流调速系统,与常规的结构大不相同。
This paper presents a reversible DC speed regulation system that has great difference in constructions with the normal ones.
研制了一种150a直流tig焊机,采用特殊的晶闸管主电路和集成电路控制技术,具有简单、可靠和高性能的特点。
A 150a DC TIG welding machine is developed, using specially designed thyristor rectifier and IC control circuit, which is simple, reliable and of high quality.
介绍了数字式直流调速器的结构、功能及晶闸管数字触发器的实现。
The structure and functions of a digital DC motor speed governor and the realization of thyristor digital trigger are described.
笔者曾参与研制成功一种利用高频型快速晶闸管实现的PFM型直流稳压电源,已付诸实际使用。
The author bas joined in and auc- cessfully accomplished a PFM DC regulated power supply using high frequency fast switching thyristor, which has been adopted in practical application.
MW直流电弧的电流控制采用2台整流变压器控制,通过调节晶闸管桥触发角构成24脉波整流电路。
MW DC arc furnace uses the current 2-transformer rectifier bridge thyristor controlled by adjusting the angle trigger to compose 24 pulse wave rectifier circuit.
通常采用控制晶闸管的导通角,而得到输出连续可调的直流电压。
Usually, the output voltage for continuous adjustment was obtained by controling turn-on angle of thyristor.
以给定积分器电路和双闭环晶闸管供电直流调速系统中等效速度环调节回路为例,说明求解过程。
The resolving Procedures represented by resolving set-integrator circuit and equivalent speed loop regulating circuit of double close oop SCR-D system.
晶闸管换流阀的采用已将高压直流换流器的可靠性提高到相当惊人的水平。
The use of thyristor valves has increased the reliability of HVDC converters to impressive levels.
但晶闸管输出只能用于交流负载,而晶体管输出只能用于直流负载。
But only for the exchange of thyristor output load, and the transistor output can only be used for DC load.
此设计利用晶闸管、二极管等器件设计了一个转速、电流双闭环直流晶闸管调速系统。
The design uses thyristors, diodes and other devices designs a speed, current double-loop SCR DC converter system.
本文论述了直流互感器在大功率晶闸管励磁系统中线路结构形式以及在激磁电流自动调节控制系统中所起的作用。
The paper presents the circuit structure type of the D. C. inductor in high power thyristor exciting system and the role of the D. C. inductor in the exciting current self-regulation control system.
分析了因过电压造成川威高线直流传动装置快速熔断器、晶闸管及电源控制板损坏事故的原因,认为直流传动装置过电压保护措施必须完善,不能随意拆除。
An analysis is made on cause of the damage incident of quick fuses, controlled silicon and power control panels of the DC driving devices of Chuanwei High Speed Wire Plant due to overvoltage.
该分析程序在微机系统上对多种晶闸管电路、三相全控桥供电直流机系统、电流型逆变器驱动感应机系统进行数值分析,并与实验装置的波形比较,充分证明了该分析程序的正确性和实用性。
The simulation program in this paper has been applied to make digital simulation of several thyristor circuits, a DC-motor system driven by a three-phase full-wave rectifier circuit and an induction-…
该分析程序在微机系统上对多种晶闸管电路、三相全控桥供电直流机系统、电流型逆变器驱动感应机系统进行数值分析,并与实验装置的波形比较,充分证明了该分析程序的正确性和实用性。
The simulation program in this paper has been applied to make digital simulation of several thyristor circuits, a DC-motor system driven by a three-phase full-wave rectifier circuit and an induction-…
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