新型开关电源从网侧接入点获得单位功率因数。
A new type of switching power supply realize of the unity power factor from the network access point adjacent.
其优点是适用性高、操作使用方便、单位功率消耗少。
Its virtues are high applicability, convenient operation and utilization, and low consumption of unity power.
经济运行可以充分利用有限水量降低单位功率耗水量。
Economic operation can reduce water consumption of specific power and make full use of limited water resources for power generation.
主要讨论了单位功率因数实现和电容电压平衡问题及其关系。
The relationship between the unity power factor and the voltage balance of the capacitor was discussed.
此功能扩展产品生命周期和节约有效地关闭在不需要时，单位功率。
This feature extends product life and conserves power by effectively turning off the unit when not needed.
PWM整流器具有单位功率因数，谐波含量低，能量可逆传送等特点。
The PWM rectifier with unity power factor, harmonic content of the low energy features such as reversible transmission was introduced.
获得了较快的电流响应速度，实现了并网电流的正弦化和单位功率因数。
The current response speed is proved to be faster, and the grid-connected current waveform is sine and the power factor is unity.
详细分析了CIC-CPPFC电子镇流器的工作原理、 单位功率因数的条件和参数设计。
The operation principle, unite power factor and parameters designing of CIC-CPPFC electronic ballast are explained in detail.
对压缩机汽缸的科学设计以及电机、活塞环、传动系统质量的控制，能够大幅提高单位功率下的产气量。
Compressor cylinder to the scientific design and motor, piston, transmission system of quality control, can greatly improve the gas production unit power.
本文对基于单位功率因数的谐波电流检测方法进行了改进，用移动窗积分法取代检测中常用的低通滤波器。
This paper improved the harmonic current detection method based on UPF (unity power factor), using the slipped window integral to replace the LPF (low pass filter).
本发明涉及一种用于松散材料的处于运行中的带式输送设备在非恒定加载时的单位功率需求量的确定方法。
The invention relates to a method for determining the specific power requirement of a belt web conveyor system for bulk goods in operation with nonconstant loading.
三相电压型PWM整流器具有输出电压恒定、能实现单位功率因数运行的特点，甚至可以实现电能回馈电网。
The three-phase PWM voltage source rectifier presented in this paper owns such features as constant output voltage, running under unit power factor and feedback of the power into the power networks.
阐述了双馈发电机的矢量控制原理及其相应的最大功率点跟踪和发电机定子侧输出单位功率因数的控制策略。
The paper analyzes the vector control theory for doubly fed induction generator, Maximal Power Point Track (MPPT) and control strategy for the unity power factor of stator output.
本文还将单位功率因数的概念引入串联型有源电力滤波器的控制中，提出了串联型有源电力滤波器的控制技术。
The concept of unity power factor can also be applied to the control of series active power filter. And the control method is provided.
在单位功率因数整流器中，利用瞬时值比较法来控制电源电流，不但控制简单，还可有效限制器件的最高开关频率。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
文章采用单位功率因数pwm整流器和斩波电路组成开关电源主体，建立以pwm整流电路为输入电路的新型开关电源。
In this paper, using unity power factor PWM rectifier and chopper circuit, it establishes a new type of switching power supply about PWM input rectifier circuit.
基于双向变流器技术的蓄电池充放电装置具有充电和放电功能，同时实现了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.
在基于对等效电流源电路模型分析的基础上，推导出了单相单位功率因数变流器输出电流二次谐波的计算公式，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.
这两种属性决定着热电材料的“品质因数”。“品质因数”是用来描述用热电材料所制成的元器件的输出功率的单位。
These two properties define what physicists call the "figure of merit" of a thermoelectric substance, which describes the power a device made of that substance could generate.
瓦特是用来测量电路中消耗的功率的一种单位。
The watt is the unit for measuring the power expended in the circuit.
虽然1TBSATA驱动器和一个300GB的光纤通道驱动器的实际功率差异相差不远，但瓦特/容量（单位容量的能耗）的成本差异极大。
While the actual wattage difference between a 1 TB SATA drive and a 300 GB Fibre Channel drive is marginal, the cost difference on a watt-per-capacity basis is significant.
分别利用坡面径流剪切力、坡面径流能耗和坡面径流单位水流功率理论对坡面土壤侵蚀发生过程进行了研究。
In this research, soil erosion and sediment yield was calculated by runoff shear stress, runoff energy consumption and runoff power theory respectively.
励磁电流与传递力矩、单位转动惯量传递的力矩等成指数关系，与功率损耗成负指数关系。
The exciter current an exponential relationship with transmitted torque, torque by unit moment of inertia and viscous power loss.
系统的单位调节功率及其一次调频对电网的稳定运行具有重要的指导意义。
The primary frequency regulation and unit power regulation are of great importance to stable operation of power grids.
所有测量单位例如功率、压力计、温度计、体积测量、舱容测量等均采用公制。
All measuring units such as power, pressure gauge, thermometer, volume gauge, tanks scales etc., to be in accordance with metric system.
提出由切削用量库、刀具几何角度库、切削液库和单位切削功率库基本构成金属切削数据库，给出了它们的关系模式。
Proposed that a metal cutting database is basically composed of databases of cutting data, tool geometry angles, cutting fluid and unit cutting power.
一个有用的单位转换器可以帮助您日常计算，包括面积，密度，能源，力，长度，质量，功率，压力，速度，温度和体积的转换。
A useful unit converter can help you make the daily calculation, including conversion of area, density, energy, force, length, mass, power, pressure, speed, temperature and volume.
一个有用的单位转换器可以帮助您日常计算，包括面积，密度，能源，力，长度，质量，功率，压力，速度，温度和体积的转换。
A useful unit converter can help you make the daily calculation, including conversion of area, density, energy, force, length, mass, power, pressure, speed, temperature and volume.
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