To introduce the composition and working Principle of a thyristor rectifier unit of large power for DC EAF.
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。
The cause that transition current of DC-load in rectifier unit without balance reactor exceeds the range of permission is discussed.
分析了导致不带平衡电抗器的整流机组直流负载拐点电流超出许可范围的成因；
Following steps have to be carried out, before the rectifier unit can be regulated in one of the several modes of regulation included in the MASTER CONTROL mode.
在用主控模式下的几个调节模式之一对整流机组进行调节前，必须完成下列步骤。
Base on the current tracing PWM rectifier, a new structure is proposed by introducing a power factor adjuster in to realization power factor variable PWM rectifier unit.
在电流跟踪型pwm整流器的基础上引入功率因数调节器，实现PWM整流器的功率因数闭环控制。
According to various conditions of electric spark, the programmable control technology can be used to chang the output voltage of the high voltage rectifier unit to keep the spark...
可编程控制技术可针对不同的电火花条件，改变高压整流装置的输出电压，以保持适中的火花率，从而使收尘器的收尘效率达到最佳。
An electronics transformer rectifier unit(TRU)with the output of 28.5V/100A DC is developed by using a novel phase shifted zero voltage and zero current switching PWM converter topology.
采用一种新型移相控制零电压零电流开关PWM全桥变换器拓扑，研制成2 8.5V/10 0A的航空电子变压整流器。
An intelligent digital trigger is designed for large power SCR (Silicon Controlled Rectifier) unit.
设计了一种新型大功率晶闸管整流装置智能数字触发控制器。
The three-phase PWM voltage source rectifier presented in this paper owns such features as constant output voltage, running under unit power factor and feedback of the power into the power networks.
三相电压型PWM整流器具有输出电压恒定、能实现单位功率因数运行的特点，甚至可以实现电能回馈电网。
DSP2407 controller is adopted to complete the research & development of three-phase PWM rectifier based on the per unit system and the current decoupled control.
采用DSP2407控制器、基于标幺值法及电流解耦控制完成了三相两电平PWM整流电源的研制。
The trigger angles for the rectifier (5) or for the inverter (6) can be adjusted and regulated by means of the rectifier drive unit (12) and the inverter drive unit (13) respectively.
利用整流器控制单元(12)以及逆变器控制单元(13)可以设置和调节对于整流器(5)以及逆变器(6)的触发角。
By using gate control and SCR rectifier circuit instead of relay control system, it makes the unit smaller, cost lower, reliability higher and control function more accurate.
该电路采用晶体管门电路及可控硅代替继电器进行程序控制。具有体积小、成本低、使用稳定可靠、抗干扰能力强、控制精度高等优点。
By using gate control and SCR rectifier circuit instead of relay control system, it makes the unit smaller, cost lower, reliability higher and control function more accurate.
该电路采用晶体管门电路及可控硅代替继电器进行程序控制。具有体积小、成本低、使用稳定可靠、抗干扰能力强、控制精度高等优点。
应用推荐