PWM rectifiers have the characteristics of large power factor, bidirectional power flow and constant direct voltage.
PWM整流器具有功率因数高、能量可双向流动、直流电压恒定等优点。
In this connection it is endeavoured to reduce the risk of an increase in voltage in a circuit with several direct voltage sources.
在这方面，试图减少在具有几个直流电压源的电路中产生电压升高的风险。
The characters of waste water treatments using dielectric barrier discharge, pulsed high direct voltage discharge and contact glow-discharge cold plasma are analyzed.
分析了无声放电法、高压脉冲直流放电法和接触辉光放电法低温等离子体直接处理废水技术的特点。
The simulation results show that the PWM rectifier has the merits of low overshoot of starting direct voltage, high speed of response and excellent dynamic and static performance.
仿真结果表明：PWM整流器启动时的直流电压超调量小，响应速度快，具有极佳的动静态性能。
To transmit the power for the solar farm we would need to build new high-voltage direct current transmission to replace our ac current grid.
为了传输太阳能发电站的能量，我们将需要建造新的高伏特直流传输器来取代我们的交流电网。
Now the first mains-voltage LEDs designed as direct replacements for incandescent bulbs are arriving on the market.
如今首批设计的民用电网电压的能直接替代白炽灯泡的发光二极管已陆续上市.
FIG. 7 depicts an example set of threshold voltage distributions in a multi-state device with direct programming from the erased state to a programmed state.
图7描绘多状态装置中关于从经擦除状态到经编程状态的直接编程的阈值电压分布的示范性集合。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
在直接转矩控制理论基础上，推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
According to the relationship of rotational speed, power and DC bus voltage, observing rotational speed by using DC bus voltage is proposed to realize none direct speed measurement.
从发电机转速、功率和直流母线电压之间的相互关系出发，提出利用直流母线电压进行转速观测实现无速度传感器。
Voltage and current are two most direct parameters.
电流和电压是最直观的两个电参量。
Brushless direct current motors and have advantages of good adjustment performance, high voltage, high torque, high volumes ratio in high performance drive.
无刷直流电动机在高性能驱动应用中具有良好的调整性能、高电压、高转矩、高体积比以及无电刷的优点。
In this paper, a direct method for static voltage collapse point in rectangle coordinate is presented.
本文提出了在直角坐标系下静态电压稳定临界点的一种直接计算方法。
A direct method considering transient voltage dip is proposed to calculate the critical clearing time (CCT) ensuring that voltages of post fault power system are higher than limit.
提出了一种考虑暂态电压跌落限制的直接法，快速求取保证故障后电力系统电压高于限值的故障临界清除时间(CCT)。
This Article Mainly Introduced the Performance, Speciality and Function of CS7106GP, and the Application of the IC in the Digital Direct Current Voltage Meter.
本文主要介绍了CS7106GP的性能，特点和功能，及其在数字直流电压表中的应用。
Which can be used for direct observation of the input signal voltage waveform.
它可以用于直接观察输入信号的电压波形。
In the control of voltage source PWM rectifier, direct current control and dual close loop control structure ind-q synchronous reference frame are widely adopted.
在电压型PWM整流器的控制中，广泛采用在同步旋转坐标系下的直接电流控制方法和双闭环控制结构。
A multilevel direct PWM control strategy based on reference voltage decomposition suitable for digital implementation was employed.
PW M控制采用基于参考电压分解的多电平直接PWM算法，数字化实现容易。
Incoherent detectors are those in which a current or voltage is generated in direct proportion to the amount of received power.
非相干的探测器产生正比于被接收功率的电流或电压。
The switch element generates an alternate current voltage having a quasi-higher frequency from a direct current voltage.
所述开关元件从直流电压中产生具有第一频率的第一交流电压。
This article introduces a method of direct usage of voltage source as a power for Hall element instead of constant current system.
本文介绍一种不用恒流源而直接用电压源为霍尔元件供电的方法。
Monitor of the voltage sag is a direct way to obtain the information of voltage sag.
对电压跌落进行监测是获得电压跌落信息的直接途径。
This design detailed described the direct current electric voltage of the test and the manifestation.
数字电压表的设计与总结详细描述了直流电压的测试与显示。
It is theoretically testified in this paper that the breakdown voltage is in direct proportion to the electron mean energy of pulsed corona plasma in a coaxial-electrode system.
通过理论推导得到脉冲电晕放电等离子体的电子平均能量(用电子温度表示)与同轴电极系统中的击穿电压有成正比的关系。
It is common for the direct current circuit to be interfered by alternating current voltage.
直流回路受到交流电压干扰，是控制回路中容易产生的现象。
The hysteresis wide is widened for decreasing switching frequency and energy losses, which causes the pulsation of instantaneous active power and direct current voltage.
为降低开关频率和减少开关损失，需增加功率滞环比较器环宽，否则引起瞬时有功功率和直流电压波动，影响系统的性能；
The voltage in the signal varies in direct proportion to the sound wave.
信号中的电压按声波比例变化。
High voltage direct current (HVDC) aircraft electrical power generating system (EPGS) is a new type of aircraft power generating system.
飞机高压直流电源系统是一种新型的飞机电源系统。
The high voltage direct current (HVDC) system connected with weak AC system is considered to be one of the causes for voltage instability.
与弱交流系统相连的高压直流系统被认为是引起电压不稳定的一个因素，评价交直流系统电压稳定性的方法相当复杂。
This text introduce a verified method of direct current high voltage supply source making use of digit multimeter and voltage ratio standard in high voltage and high resistance measure instrument.
本文介绍一种利用高压高阻测量仪的电压比率标准与数字多用表测量直流高压电源的校准方法。
These reliable direct current generators provide a voltage output directly proportional to the rotational speed of the armature shaft and are specifically designed for speed control applications.
这款可靠的直流发电机可根据电枢轴的旋转速度直接提供电压输出值，该设计应用于速度控制应用领域。
应用推荐