• 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.

    youdao

  • IGBT具有额定电压电流大,开关速度快易于驱动等优点,中-高功率变流器应用最佳选择

    IGBT has a high rated voltage, current and switching speed, easy to drive, is one of the best choice of high-power converter applications.

    youdao

  • 风力发电系统需要全功率变流器现有器件功率水平以及开关频率等诸多因素制约下,变流器直接并联的方式具备结构简单、模块化设计、易扩展的优点。

    The carrier phase shift technique based parallel back-to-back PWM converter is used on the direct-drive wind power system, with a switching frequency as low as 1 kHz.

    youdao

  • 提出一种新的功率因数变流器矿井提升机中的应用

    The paper discusses a new high power factor converter applied in mine hoist.

    youdao

  • 基于双向变流器技术蓄电池充放电装置具有充电放电功能,同时实现网侧电流正弦化及单位功率因数,因而减少了对电网的谐波和无功污染。

    The device for battery charge or discharge based on the technology of bidirectional converter can be used in charging or discharging battery, and realize sine wave of ac and unity power factor.

    youdao

  • 通过对大功率集成极换向晶闸管(IGCT)高压变流器结构控制系统保护系统研究,设计出7

    Through analyzing the topology, control system and protection system of large power high voltage converter equipped with integrated gate commutated thyristor (IGCT), a set of 7.

    youdao

  • 基于CPS -SPWM技术级联型多电平变流器结合二者优势功率电力电子装置中有良好的应用前景

    The cascade multilevel converter based on CPS-SPWM technique has both of the advantages, so it has attractive perspective in large power application.

    youdao

  • 多电平变流器具有输出谐波小功率容量大电磁兼容性特性越来越引起人们重视

    Multilevel inverters have been paid more and more attentions because of their good characteristics with low output harmonics, high power capacity, good electromagnetic compatibility and so on.

    youdao

  • 最后给出额定功率为1.5KVA三相静止变流器试验波形实验数据试验结果表明系统具有良好的静态性能

    Finally, the experiment waveforms and data about 1.5kva three-phase static inverter are described and the results indicate that the system has excellent dynamic and static state performance.

    youdao

  • 基于对等效电流源电路模型分析基础上,推导单相单位功率因数变流器输出电流谐波计算公式,将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。

    Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.

    youdao

  • 通过直接调节象限变流器控制电压幅值相角达到稳定输出电压和输入功率因数目的。

    Stable output voltage and input power factor is available by direct adjustment of the amplitude and phase angles of the control voltage for 4qs converter.

    youdao

  • 电流象限变流器一种脉冲宽度调制交直流变换装置具有功率因数谐波电流小、再生方便等优点

    Currcnt-type four quadrant converter is an AC-DC converting device with pulse width modulation, whose advantages are high power factor, low harmonic current and convenient regeneration etc.

    youdao

  • 所谓制动阶段,功率开关型变流器交流流向直流侧;此时变流器相当于一个整流器

    During the so-called braking of the motor, the power flows from the ac side to the dc side of the switch-mode converter and it operates in a rectifier mode.

    youdao

  • 提出有效应用并联变流器作为功率负载时无功补偿器以及有源滤波器(APF)拓扑

    A new topology for efficient utilization of parallel converters as VAR compensators and active power filters (APF) for high power loads is proposed.

    youdao

  • 风电变流器在国产化的过程中也必须要具有电压穿越、不对称故障运行能力动态无有功功率调节能力。

    The wind power converter must possess abilities of Low voltage Ride through (LVRT), available operation with unbalanced voltage fault and adjusting active as well as reactive power.

    youdao

  • 通过功率因数变流器网侧指令和实际电流预测,提出了采用变流器电压矢量优化控制策略的电流跟踪新方案。

    This paper discusses a new control tactics of the converter which adopt voltage vector optimum control tactics by predicting the current of high power factor converter.

    youdao

  • 由于功率电力电子设备在电网很大比重,因此高功率因数的三相可逆变流器的研究成为当今国内外研究的一大热点

    Due to the prodigious proportion of medium and big electronic equipment in power line, the research of three phase reversible converter is becoming the researching hotpot on international and native.

    youdao

  • 基于三相电压变流器的无功率补偿装置可以吸收发出连续可调无功功率

    The three-phase voltage source converter can absorb and Issue continuously adjustable reactive power, based on reactive power compensator.

    youdao

  • 针对多重化的背靠背象限变流器采用了载波移相控制改进SPWM调制结合的方法,减小电流谐波提高了功率交换能力

    For multiple back-to-back four-quadrant converter, a modified SPWM technique is combined with carrier phase-shifting control, which reduces current harmonic and enhances power exchange ability.

    youdao

  • 本文结合风力发电机组常用直交结构,将功率平衡概念引入并网变流器控制

    In this paper, the AC-DC-AC structure commonly used in wind turbine is introduced, and introduce the concept of power balance control.

    youdao

  • SVG电路结构基于PWM变流器拓扑结构,PWM交流可以象限运行,所以SVG亦可在四象限运行,从而达到为系统提供无功功率的目的。

    The main circuit configuration of SVG is based on topology configuration of PWM 4-quadrant converter, AC current of PWM converter can work in 4-quadrant, so do SVG.

    youdao

  • 讨论功率牵引几个PWM变流器并联运行

    This paper deals with the parallel operation of several Numbers of PWM converters for a high power traction application.

    youdao

  • 介绍了以电流波形补偿理论根据GTR电流型四象限变流器构成有源无功功率补偿器。

    A new current-type active compensator is formed by GTR current-type four-quadrant converter, based on the theory of current-wave-form addittion.

    youdao

  • 为了使得并网变流器具有动态有功功率平滑调节能力,选用了有功电流、无功电流解耦的电流闭环控制结构。

    In order to make grid inverter adjust active and reactive power smoothly, a closed-loop with decoupled active and reactive current is implemented.

    youdao

  • 模型基于定子磁场定向矢量控制方法采用双pwm变流器大型并网风电机组的最大风能跟踪、有功和无功功率的解耦控制进行仿真

    In the MATLAB, using a structured design method, a dual PWM converter control system model were established on the basis of the stator flux field vector control technology.

    youdao

  • 本文运用PW M电压型变流器基本原理设计了种分离控制式-直-交功率负荷模拟器

    A separate-controlled AC-DC-AC power load simulator is designed adopting the principle of voltage-type PWM convertor.

    youdao

  • 变流器采用MCS - 8098单片机作为控制器,GTO作为功率开关器件

    MCS 8098 single chip microcomputer and GTOs are adopted as processor and power switching devices.

    youdao

  • 分析了低压静止变流器几种技术方案这些方案均难以做到功率应用

    Several schemes for the static converter with low input voltage are analyzed. All these schemes are difficult to be used in heavy power application.

    youdao

  • 变流器采用直流电压稳定保证并单位功率因数并网,并将负荷吸收有功功率馈送回电网

    The gird side converter is adopted DC voltage stable and unit power factor grid-connected control, and feedback the active power absorbed from the load side to the grid side.

    youdao

  • 变流器采用直流电压稳定保证并单位功率因数并网,并将负荷吸收有功功率馈送回电网

    The gird side converter is adopted DC voltage stable and unit power factor grid-connected control, and feedback the active power absorbed from the load side to the grid side.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定