The motor has characteristics of placid rotation, high power factor and low noise.
该电动机具有转动平稳、功率因数高、噪声低等特点。
The development of permanent magnet electrical machinery with high efficiency and high power factor supply new ways for water pump saving energy.
高效、高功率因数的稀土永磁电机为水泵节能开辟了新途径。
The results demonstrate that using NNC could achieve high power factor.
结果表明，使用神经网络控制器可以获得很高的功率因数。
No elector magnetism interference, high power factor. lifespan is on average over 50000 hours.
无电磁干扰，高功率因数。寿命达5万小时以上。
Under condition of no power factor regulator, it can generate high power factor and low harmonic rate.
这种镇流器在没有功率因数调节器的情况下能产生高功率因数和低谐波率。
Since the high power factor is 99% or higher (at rated load), the power capacity can be greatly reduced.
由于高功率因数是99%以上(额定负荷)，电力容量可大为减少。
The experiment results indicate the system has the characteristics of high power factor and low harmonic current.
实验结果表明，该系统具有输出功率因数高，对电网谐波污染小等优点。
The experiment result shows that the adapter owns the advantages of high efficiency, high power factor, and low cost.
实验结果表明此类适配器具有高效率、高功率因数、及低成本等优点。
Not only high power factor synchronous motor, and its speed is independent of the load, depends only on grid frequency.
同步电动机不但功率因数高，而且其转速与负载大小无关，只决定于电网频率。
Therefore, the high power factor high-power Switching-Mode power supply becomes the major topic of discussion studying.
因此，高功率因数的大功率开关电源成为研究的热门。
The system has good speed performance, high power factor, energy saving, small size, light weight, and other advantages.
该系统具有调速性能好、功率因数高、节能、体积小、重量轻等优点。
A direct current governor of thyristor of high power factor controlled by monolithic processor of 8098 type is introduced.
介绍一种用80 98单片机控制的高功率因数晶闸管直流调速器。
But this useful technology needs high power factor, low harmonics pollution rectifiers and inverters to be its energy converters.
而分布式发电技术需要功率因数高，谐波污染少的大功率整流逆变系统作为其能量转换装置。
Novel circuit structure and topologies family of uninterruptible AC switching power supplies with high power factor are proposed.
提出了一类新颖的不间断高功率因数交流开关电源电路结构与拓扑族。
As the heart of the power factor correction circuit, the gain modulator gets a high power factor by controlling the input current.
增益调制器作为功率因数校正电路的核心电路，通过控制输入电流来得到一个高的功率因数。
The paper discusses the action of computer aided analysis program in the research on high power factor electronic ballast by using PSPICE.
以PSPICE通用电路分析软件在高功率因数电子镇流器设计中的应用为例，分析了计算机辅助分析软件在工程应用中的作用。
The power factor correction (PFC) and half-bridge inverter circuit topology are commonly used in modern high power factor electronic ballasts.
现代高功率因数电子镇流器结构中普遍采用功率因数校正（PFC）和半桥逆变谐振电路拓扑。
High efficiency and high power factor are characteristic of rare earth and permanent magnetism and synchronous motor. lt is a energy saving product.
稀土永磁同步电动机具有效率高、功率因数高的特点，是一种高效节能产品。
The paper introduces the basic principles of the converter achieving high power factor and detailed analyses about the operation modes of converter are given.
本文介绍了所提出的新型变换器实现功率因数校正的基本原理，对其工作模态进行了详细的分析。
Experiment results showed that the correction device of power factor could realize high power factor, low harmonic distortion and low ripple of output voltage.
通过实验结果表明，单级功率因数校正装置可以实现较高的功率因数、较低的总谐波畸变，而且输出电压纹波小。
The present invention has no intermediate DC link and thus simplified circuit, low cost, less harmonic component in the voltage anc current waveform and high power factor.
本发明所设计的波形变换方法及其装置，省去了中间直流环节，使线路得以大大简化，显著降低了成本，同时使电压、电流谐波得以减小，并可获得较高的功率因数。
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
实验表明，作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
The precondition of constructing single-stage high power factor high power supply based on flyback topology is that the release rule of transformer energy-storage is clear.
构造基于反激拓扑的单级高功率因数的大功率电源的前提是弄清变压器的储能和释放规律。
This charger has the trait of high power factor, can be connected to ordinary single-phase AC sockets directly, and offers low-power and low speed charging for storage batteries.
该车载充电机具有较高功率因数，能够与普通的单相交流电源插座直接连接，为电动轿车的蓄电池组提供小功率慢速充电。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
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.
电流型四象限变流器是一种脉冲宽度调制的交直流变换装置，具有功率因数高、谐波电流小、再生方便等优点。
Test results demonstrated that the converter has the advantages of simple topology, high power density, high conversion efficiency, high power factor, uninterruptible power supply, low cost.
试验结果表明，这种变换器具有电路拓扑简单、功率密度高、变换效率高、功率因数高、不间断供电、成本低等优点。
This paper presents the design and implementation of a zero-voltage-transition power factor correction (PFC) converter having high power factor, high efficiency, and low harmonic line current.
本文研制一个具有高功率因数、高效率、低谐波且可操作于高频之零电压切换升压型功因修正器。
Two circuits, characterized by high Power Factor and low output voltage, are proposed.
这两种电路都具有功率因数高、输出电压较低等特点。
High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
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