分析了高压直流输电（HVDC）系统的结构和原理，建立了一个6脉冲桥HVDC系统模型并进行了仿真。
This paper analyzes the structure and principle of high voltage DC transmission(HVDC)system, builds a model of 6-impulse bridge HVDC system and makes a emulate on it.
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.
本文针对微型电动汽车，在比较多种常用的直流斩波电路基础上，选择三重化桥式斩波电路作为功率变换器主电路并研究了其工作原理。
Compared with a variety of relatively common DC chopping circuit, this paper selects the triple H-bridge chopping circuit to drive DC motors and introduces its working principles.
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.
直流电源柜：三相可控硅整流桥（SCR）、计算机数字脉冲触发板、平波电感、L、C滤波器等组成。
DC power supply cabinet: three-phase silicon-controlled rectifier (SCR), computer digital pulse triggers plate, flat-wave inductor, L, C filter, etc.
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.
直流侧有源电力滤波器并联在整流桥的直流侧，对整流类负载进行谐波治理有很大的技术优势。
The DC side active power filter (APF) is shunted at the DC side of rectifier bridge, which has great technical advantages in harmonic suppressing for rectifier load.
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.
文章介绍了集装箱装卸桥直流调速系统及数字化改造原理。
This paper introduces the DC speed regulation system of container crane and renovation principle of digitalization.
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.
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.
为了限制逆变器桥臂直通短路时故障电流的上升率，可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
集装箱装卸桥直流调压调速系统仿真过程及方法，其中包括直流电机传动及驱动器选择、驱动器接线与控制。
Discuss the DC adjust voltage and timing system simulator process and way of the container crane, which containing the DC motor drive and drivers' select, drivers connection and control.
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-…
采用电磁隔离霍尔元件进行电流检测，采用了IGBTCPV 363m 4 K模块组成逆变桥来实现功率主回路直流到交流的逆变。
Electromagnetism isolated Hall sensor is used to sense the phase current of the PMSM, and the IGBT CPV363M4K module is used to implement the inverter.
改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
石横特钢厂采用以整流二级管为主体的整流桥代替直流励磁发电机改造国产龙门刨床。
To reform planing machine made in home, using rectifier bridge, which is mainly consisted of rectifier diode, to replace of directcurrent exciter in Shiheng special steel works.
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.
通过监测、分析桥路直流电感电流和特定支路的电流，并对其波形进行傅里叶变换分析，实现对桥路故障类型的诊断及对故障桥臂的定位。
It can achieve fault diagnosis and fault location by monitoring the current of DC inductance and a specific branch and analyzing current waveform's Fourier transform.
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).
仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧短路故障时，不会给系统带来稳定问题。
The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability.
针对双桥十二脉动直流系统，推导了直流线路发生短路故障时的整流器过冲电流公式。
The formula of the rectifier's overshoot current of bidirectional 12-pluse DC system when DC line short-circuit fault occurs is derived.
针对双桥十二脉动直流系统，推导了直流线路发生短路故障时的整流器过冲电流公式。
The formula of the rectifier's overshoot current of bidirectional 12-pluse DC system when DC line short-circuit fault occurs is derived.
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