The operational performance of DC bridge circuits(including constant voltage and constant current) was analyzed.
对直流(包括恒压和恒流)电桥的工作性能进行了分析。
This paper studies the simple method for detecting cable faults. With this method, the difficulties in "DC bridge" method and "Pulse" method can be overcomed.
本文研究的探测电缆故障的简易方法可克服直流电桥法和脉冲法的不足之处。
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.
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。
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 machine is a new kind of generator which comprises DC armature winding connected with a polyphase full wave rectifier bridge.
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。
The cause of the DC bias of the main transformer in the full bridge inverter has been analyzed.
分析了全桥逆变器功率变压器产生直流偏磁的机理;
DC capture and transfer information from the outside to the cells of the adaptive immune system. Thus DCs bridge the innate and adaptive immune systems.
树突状细胞捕捉和搬运来自外界的信息给获得性免疫系统的细胞,所以树突状细胞架起了先天性免疫和获得性免疫之间的桥梁。
A generator system that includes a three-phase ac machine and an active rectifier bridge employing low on-resistance MOSFET switches for converting the ac current from the machine to a DC current.
高效发电机。一种发电机系统包括三相ac电机和应用低导通电阻MOSFET开关的有源整流器电桥,用于将来自电机的AC电流转换为DC电流。
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.
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 insulation methods of several DC systems are compared and analysed. A ping-pang variable bridge measurement is adopted. The ex - act on line detection of grounding resistance is realized.
比较分析了几种直流系统常用的绝缘检测方法,采用乒乓式变电桥测量法,实现了接地电阻的准确在线测量。
Full-bridge PWM motor drive A3952 is introduced in this paper, and an example is given for single phase DC brushless torque motor control.
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。
The method of testing insulation resistance based on asymmetric electric resistance bridge for direct current (DC) distribution system is proposed.
提出了利用不对称电桥的直流系统在线绝缘电阻检测方法。
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.
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。
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.
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。
This paper presents the studies of Fuzzy-Neural Network (FNN) control methods in the application of the full-bridge series type resonant DC-DC converter.
本论文研究的是模糊神经网络在全桥串联共振型DC - DC变换器控制中的应用。
A power amplification of H-bridge bipolar PWM control is designed for controlling DC micro-motor of positive rotation, reverse rotation and speed regulation.
基于H型双极模式P WM控制原理,设计了一种直流微电机正反转调速功率放大电路。
The design and realization of one-cycle controlled half-bridge DC/DC converter are mainly discussed on the basis of presenting one-cycle control technical.
在论述单周期控制技术的基础上,重点讨论了单周期控制半桥DC/DC变换器的设计与实现,并给出了仿真与试验结果。
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.
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。
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).
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。
The system consists of a digital control system, a PWM control waveform display, a full-bridge converter, a DC motor and load motor.
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。
SMVSC is firstly applied to H-model bridge DC-DC converter, three-phase rectifier and three-phase inverter in this paper.
本文首次将滑模变结构控制应用于H型桥式DC-DC变换器、三相整流器和三相逆变器中。
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.
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。
AC network with DC network are also combined in a AC-DC iterative power flow calculation program through the detailed model of 24-pulse bridge rectifier.
通过对24脉波换流站进行精确建模,将换流站两侧的直流网络和交流网络联系起来,运用交直流潮流迭代计算的方法计算地铁供电网络的潮流分布。
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.
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。
This paper analyzes the two operation modes of the push-pull full-bridge bi-directional DC /DC converter and conduct a simulation analysis. In theory, the two-way flow of energy is possible.
文中分析了推挽全桥双向DC/DC变换器的两种工作模式,并进行了仿真分析,理论上验证了其实现能量双向流动的可行性。
Bridge certainly played before anyone expected him to when he got 45 minutes against DC United on the club's pre-season tour of America.
赛季前,球队去美国打比赛。当布里奇在对阵华盛顿联队的比赛中得到45分钟的上场时间时,无疑出乎所有人的预料。
A new method of monitoring real-timely for DC system insulation using double asymmetrical Bridges in normal mode is adopted in this paper, and the shortcomings of symmetrical bridge are overcome.
本文采用了一种常态下利用双不对称电桥实时监测直流系统绝缘的方法,解决了上述问题。目前广泛使用的低频信号注入法容易受到直流系统支路中存在的对地分布电容的影响。
A new method of monitoring real-timely for DC system insulation using double asymmetrical Bridges in normal mode is adopted in this paper, and the shortcomings of symmetrical bridge are overcome.
本文采用了一种常态下利用双不对称电桥实时监测直流系统绝缘的方法,解决了上述问题。目前广泛使用的低频信号注入法容易受到直流系统支路中存在的对地分布电容的影响。
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