最大正向整流电流该参数与灯功率有关,所选二极管的额定电流值至少应是交流母线中峰值电流的3倍以上。
Biggest positive the parameters associated with the lamp power rectifier current, the rated current value of the selected diode should be a peak current in ac bus at least more than 3 times.
控制技术是影响整流器功率因数的关键因素之一。
One of the key factors of affecting power factor of rectifiers is control technique.
如此,在容限电压法当中,直流电压和和有功功率分别被整流器和反相器所控制。
Thus, in the voltage margin method, the dc voltage and the active power are separately controlled by the rectifier and the inverter, respectively.
本文提出了大功率整流装置产生的谐波防治措施。
The methods of harmonics suppression for high-power rectifier devices are proposed .
它采用双向开关和同期整流,得到了高功率因子、高效率和低高次谐波。
It adopts bidirectional switch and on time rectification, and obtains high power factor, high efficiency and low THD.
硅功率整流二极管,300安培。阴极情况。最大重复峰值反向电压400v。
Silicon power rectifier diode, 300 Amp. Cathode to case. Max repetitive peak reverse voltage 400v.
硅功率整流二极管。阴极情况。重复峰值反向电压800v。平均整流电流25a。
Silicon power rectifier diode. Cathode to case. Repetitive peak reverse voltage 800v. Average rectified forward current 25a.
利用谐波分析等方法分别探讨单相全波整流电路的功率问题。
In this paper, the power problem of completely wave rectifier is discussed by many methods respectively, such as harmonic analyses.
多重化整流是电力电子变换设备减小对电网谐波干扰、提高设备功率因数所采用的重要方法。
Multiplex rectifier is an important component for power electronics equipments to implement reducing the harmonic interference to electric network and improving power factor.
其基本原理是将交流电机的滑环输出功率通过整流电桥和有源逆变器送回交流电网。
The basic principle of the system lies in feeding back the output power at the motor slip rings of an AC motor into the mains through a bridge rectifier and an inverter.
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.
在单位功率因数整流器中,利用瞬时值比较法来控制电源电流,不但控制简单,还可有效限制器件的最高开关频率。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
应用:电力整流电路、大功率变流器、电机控制、充电设备、变电站。
Applications: Power Rectifying Circuit, High Power Converters, Motor Control, BatteryChargers, Trackside Substations.
而分布式发电技术需要功率因数高,谐波污染少的大功率整流逆变系统作为其能量转换装置。
But this useful technology needs high power factor, low harmonics pollution rectifiers and inverters to be its energy converters.
这就对大功率晶闸管整流器触发系统安全可靠性提出一个严峻的问题。
This poses a question concerning the safety and reliability of the high power thyristor rectifier trigger system.
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。
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.
采用双环结构,用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
通过对传统直接功率控制的分析,推导出一个新的开关表,可以显著地改进PWM整流器的无功功率控制性能。
Through analysis of classical DPC, a new switch table can be deduced which promote the efficiency of reactive power control of PWM rectifier.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
建立了对基于电压空间矢量pwm的三相高功率因数整流器实现电流稳态无差拍控制的设计准则。
Set up the circuit design criterion for the steady - stage deadbeat control to the line current of a three - phase high-power-factor rectifier based on voltage space-vector PWM.
本设计的整流罩外壳有阻力系数,使我实现至少50公里不到13 0瓦的功率。
Ben designed the fairing shell to have a drag coefficient that would allow me to achieve at least 50 KPH on less than 130 watts of power.
同时,控制电路必须对整流电路、逆变电路等系统主电路部分进行功率控制,使在各种扰动下维持系统各参量不偏离其设定值。
At the same time, the control circuit must realize power regulating of the rectifying circuit and the inverter circuit and keep some parameters impervious to the interferer.
针对大功率整流装置及其他电子元件所产生的谐波对电网的危害,总结出治理谐波的常用方法。
To counter the harm of harmonic on power network, which is from rectifying unit with large power and other electron element, the common method of harness were summarized.
提出了三相电流型PWM整流器的一种新型实用的功率因数控制方法。
A new and practical power factor control strategy for three phase PWM current source rectifier was proposed.
本方案已在大功率整流样机中实施。
The scheme has been tested in an powerful prototype thyristor rectifier.
晶闸管可控整流电源广泛应用于大功率工业控制领域。
SCR controlled rectification power supply has been widely used in the high power industry area.
以双桥串联可控整流电路为例,介绍了大功率可控整流装置的工作原理。
Taking the double serial controlled circuit as an example, this paper introduces the working principle of high power rectifier devices.
目前,国内外大功率硅整流柜的冷却基本上全部采用水冷却。
At present, the cooling of the big power silicon rectifying tank use water cooling basically in civil and international.
论述了运用PWM整流器实现无功功率补偿的ML变频系统的工作原理、电路结构和控制的实现方法。
The work principle, circuit structure and realization method of control of the ML frequency converter system are discussed. The system USES PWM rectifier to realize reactive power compensation.
论述了运用PWM整流器实现无功功率补偿的ML变频系统的工作原理、电路结构和控制的实现方法。
The work principle, circuit structure and realization method of control of the ML frequency converter system are discussed. The system USES PWM rectifier to realize reactive power compensation.
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