实践证明﹐三相全波整流和稳压直流相当﹐对镀层组织几乎没有什么影响﹐而其它波形则影响较大。
Practice proves, the wave rectifier and three-phase regulated dc quite, the coating structure little impact, and other waveform is big effect.
全波傅氏算法是基于周期信号推导出来的,当采样信号中含有衰减直流分量时,将会产生误差。
The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm, which is derived with periodic signal.
此发电机是一种新型发电机,它由直流机电枢绕组外接多相全波整流桥组成。
This machine is a new kind of generator which comprises DC armature winding connected with a polyphase full wave rectifier bridge.
阐述一种用于全电飞机机电作动系统的双绕组永磁无刷直流电动机。
A permanent magnet brushless DC motor was presented, which will be used for a Electro-Mechanical Actuator (EMA) in a All-Electric Aircraft(AEA).
该系统主要由21位全量编码反馈、数字PID运算和直流伺服机构组成。
The system mainly consists of 21bit all quantity encoder feedback, digital PID computation and DC servo mechanism.
分析了全桥逆变器功率变压器产生直流偏磁的机理;
The cause of the DC bias of the main transformer in the full bridge inverter has been analyzed.
我首先想到的是,我能得到一个全波整流电路和信号转换为直流(交流等)。
My first thought is that I could get a full wave rectifier circuit and convert the signal (AC like) to DC.
介绍了一种新型混合不对称九电平逆变器,它由一不对称五电平逆变器和一全桥逆变器级联而得,级联逆变器的直流母线电压相等。
It is proposed a novel hybrid asymmetric 9-level inverter in which an asymmetric 5-level inverter and an H-bridge inverter with equal dc bus voltage are series connected.
提出了一种新型的零电压开关全桥三电平直流变换器。
This paper presents a novel zero voltage switching full bridge three level converter.
介绍了一种全桥脉宽调制芯片A 3952的特点和功能及其在单相无刷直流力矩电机控制中的应用。
Full-bridge PWM motor drive A3952 is introduced in this paper, and an example is given for single phase DC brushless torque motor control.
露天石园几乎全以石头砌成,唯一引人之处便是一股溪流,从方形池中(汨汨)而出,一直流向前方的太平洋。
This outdoor marble area is almost completely bare. The only detail is a small stream of water running through the middle of the square towards the Pacific Ocean.
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-…
采用了直流斩波和全桥逆变技术,以IGBT为直流斩波元件、IPM模块为全桥逆变元件实现了高压电源的高效小型化。
With technology of DC chopper and H-bridge inverter used, IGBT is used as DC chopper and IPM is used as H-bridge inverter to realize a small volume of the power source.
此方案已成功的应用于三相全控桥可逆直流调速系统中。
This plan has already had a successful application in the reversible D. C. speed control system of the three phase full control bridge.
针对SPWM全桥逆变器中存在的直流偏磁现象,提出了数字PI电压积分调节方法。
A digital PI voltage integral regulating method, as proposed in the paper is directed at overcoming the flux imbalance phenomena in the SPWM full-bridge inverter.
该系统由数字控制器、脉宽调制波形显示电路、全桥变换器、直流电动机和光电编码器。
The system consists of a digital control system, a PWM control waveform display, a full-bridge converter, a DC motor and load motor.
电源通过BOOST电路校正功率因数和调节电压,用移相全桥把直流电逆变成高频方波,然后经高频变压器升压后倍压整流得到直流高压。
The power supply USES BOOST converter for power factor correction and voltage regulation, and it converts DC to HF ac square wave with phase-shifted full bridge.
移相全桥直流变换器的软开关技术分为零电压开关(ZVS)和零电压零电流开关(ZVZCS)两大类。
There are two soft-switch schemes of phase-shift full-bridge DC/DC converter: zero-voltage switching (ZVS) and zero-voltage zero-current switching (ZVZCS).
新型直流输电(VSC - HVDC)技术是指采用全控型功率半导体器件的电压源换流器的直流输电技术。
The newly direct current transmission (VSC-HVDC) technology is refers USES full-controlled semiconductor device, and potential source converter based direct current transmission technology.
执行机构采用全电动执行机构,其中离合器和换挡采用直流电动机进行驱动,选挡采用电磁铁进行驱动。
All actuators are electric driven. Operating Clutch and Meshing gears use DC motors and selecting gears use two electromagnets.
实验结果表明:所建立的苏制5 0 0MW超临界压力直流锅炉全工况的实时仿真数学模型具有良好的动态特性。
The experiments show that the full scope real time simulation mathematical model of Russia made 500MW units supercritical once through boiler has excellent dynamic characteristics.
实验结果表明:所建立的苏制5 0 0MW超临界压力直流锅炉全工况的实时仿真数学模型具有良好的动态特性。
The experiments show that the full scope real time simulation mathematical model of Russia made 500MW units supercritical once through boiler has excellent dynamic characteristics.
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