• 实践证明三相整流稳压直流相当镀层组织几乎没有什么影响其它波形影响较大

    Practice proves, the wave rectifier and three-phase regulated dc quite, the coating structure little impact, and other waveform is big effect.

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  • 傅氏算法基于周期信号推导出来的,当采样信号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.

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  • 发电机一种新型发电机直流机电枢绕组外接多相整流桥组成

    This machine is a new kind of generator which comprises DC armature winding connected with a polyphase full wave rectifier bridge.

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  • 阐述一种用于飞机机电系统双绕组永磁无刷直流动机。

    A permanent magnet brushless DC motor was presented, which will be used for a Electro-Mechanical Actuator (EMA) in a All-Electric Aircraft(AEA).

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  • 系统主要21编码反馈数字PID运算直流伺服机构组成。

    The system mainly consists of 21bit all quantity encoder feedback, digital PID computation and DC servo mechanism.

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  • 分析逆变器功率变压器产生直流磁的机理;

    The cause of the DC bias of the main transformer in the full bridge inverter has been analyzed.

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  • 首先想到得到一个整流电路信号转换为直流(交流等)。

    My first thought is that I could get a full wave rectifier circuit and convert the signal (AC like) to DC.

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  • 介绍了新型混合对称电平逆变器,不对称五电平逆变器桥逆变器级联而得,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.

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  • 提出一种新型电压开关电平直流变换器

    This paper presents a novel zero voltage switching full bridge three level converter.

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  • 介绍了一种脉宽调制芯片A 3952的特点功能及其在单相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.

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  • 露天石园几乎以石头砌成,唯一引人之处便是溪流,方形汨汨)而出,一前方的太平洋

    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.

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  • 分析程序微机系统上对多种电路三相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,并实验装置的波形比较,充分证明了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-…

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  • 采用了直流逆变技术,以IGBT直流斩波元件、IPM模块为桥逆变元件实现高压电源高效小型化。

    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.

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  • 方案成功应用三相可逆直流调速系统

    This plan has already had a successful application in the reversible D. C. speed control system of the three phase full control bridge.

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  • 针对SPWM逆变器存在直流现象提出了数字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.

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  • 系统数字控制器宽调制波形显示电路、变换器、直流动机光电编码器。

    The system consists of a digital control system, a PWM control waveform display, a full-bridge converter, a DC motor and load motor.

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  • 电源通过BOOST电路校正功率因数调节电压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.

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  • 直流变换器开关技术分为零电压开关ZVS零电压电流开关(ZVZCS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).

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  • 新型直流输电(VSC - HVDC)技术采用控型功率半导体器件的电压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.

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  • 执行机构采用电动执行机构,其中离合器换挡采用直流动机进行驱动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.

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  • 实验结果表明:所建立苏制5 0 0MW超临界压力直流锅炉工况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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  • 实验结果表明:所建立苏制5 0 0MW超临界压力直流锅炉工况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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