unity power factor是什么意思 unity power factor在线中文翻译

unity power factor

unity power factor 双语例句

1. A novel Dual Half Bridge Series Resonant Inverter for an induction heating appliance with unity power factor is proposed to remove the interferential acoustic noise caused by the difference between operating frequencies of adjacent loads.
   为了除去因相邻的下属操作周波数的差而引起的杂音，提示了具有单一逆流的诱导加热器的新Dual half-bridge共振型串连整流器。
2. At unity power factor, the power in a single-phase circuit is zero twice each cycle.
   在功率因数为1时，单相电路里的功率值每个周期有两次为零。
3. The experimental results show that the input power factor is near unity which demonstrates the proposed scheme is feasible.
   给出的小功率实验装置的实验结果表明，该装置工作时的输入功率因数接近1，从而验证了所提出方案的可行性。
4. The three-phase voltage source PWM reversible rectifier is becoming interested in power electronics field because it has many excellent characteristics such as undistorted sinusoidal current waveform, unity power factor, and bi-directional energy flow.
   三相电压型PWM可逆整流器因其具有输入电流正弦性好、可获得单位功率因数、能量可实现双向流动等特性，而成为目前电力电子领域中被广泛研究的课题之一。
5. It can achieve unity power factor and low current distortion.
   它可以实现单位功率因数和低电流畸变。
6. When the power factor is less than unity, the power is negative during parts of each cycle.
   当功率因数小于1时，每个周期的多数时刻，功率都是小于零的。
7. The concept of unity power factor can also be applied to the control of series active power filter. And the control method is provided.
   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。
8. For the case when 250 MW was transferred at unity power factor. It is seen from Fig.
   当250MW在整功率因素时转换所引起的系统振荡其结果如图4所示。
9. A phasor adjusting method for realizing unity power factor is proposed, and it is applied in variable power factor for converter control.
   提出了一种实现单位功率因数的相量调节方式，并将其应用在功率因数可调的变流控制上。
10. Input Power Factor Correction: The rectifier shall be power factor corrected so as to maintain an input power factor of 0.98 lagging to unity at all load levels to ensure generator compatibility and avoid reflected harmonics from disturbing loads sharing the utility power.
    UPS模块的设计须可使之作为双变换和在线反向输送系统在下列模式下正常工作。A。正常模式：逆变器须可不断向临界负载输电。整流器/电池充电器须从交流电源获取电能并向逆变器供电，同时以浮动方式给电池充电。
11. Besides, the proposed rectifier achieves a unity power factor, sinusoidal input current and a bidirectional power flow capability.
    除此之外，所提整流器可达到单位功率因数、输入电流近乎弦波和双向电力潮流之能力。
12. In addition, the BDFM system offers controlled, unity power factor operation.
    本文说明了选择变频器的额定值和BDFM的极对数的方法。
13. The unity power factor correction of current rectifier is obtained.
    且获得了电流型整流器的单位功率因数。
14. Analysis and Design of a 500W AC DC Unity Power Factor Converter
    500W单位功率因数AC-DC变换器分析与设计
15. Aimed at the drawback of instantaneous reactive power theory broadly adopted in active power filters, the concept of power factor was introduced into the control system of active power filter. The fundamental active current detection technique based on unity power factor was provided.
    针对有源电力滤波器中广泛采用的基于瞬时无功功率理论的检测技术的局限性，将功率因数的概念引入有源电力滤波器的控制中，提出了基于单位功率因数的基波有功电流检测技术。
16. A novel Dual Half Bridge Series Resonant Inverter (DHB-SRI) for an induction heating appliance with unity power factor is proposed to remove the interferential acoustic noise caused by the difference between operating frequencies of adjacent loads.
    为了除去因相邻的下属操作周波数的差而引起的杂音，提示了具有单一逆流的诱导加热器的新Dualhalf-bridge共振型串连整流器（DHB-SRI）。
17. A novel direct adaptive control strategy using a B-spline neural network for the three-phase AC/DC (alternating current/direct current) voltage source pulse width modulation (PWM) rectifier is proposed, which realizes a sinusoidal AC input current and unity power factor.
    为了实现交流输入和整功率因数，提出了一种基于自适应B样条（BS）神经网络的三相PWM整流器控制策略；
18. The principal advantage of this control scheme is that it can maintain a near-unity source power factor without sensing and computation of the associated nonactive power component.
    该控制方法的优点在于，不需要检测和计算非有功功率成份而能保持电源功率因数近似为1。
19. Three-phase boost rectifier with series-connected dual-boost topology is analyzed in this paper, and a general PFC controller based on one cycle control is proposed for three-phase boost rectifiers. Low current distortion and unity power factor can be achieved in the proposed controller.
    分析了具有串联升压拓扑结构的三相boost整流器，提出了一种基于单周期控制技术的三相PFC控制器，它可以实现单位功率因数和低电流畸变。
20. This paper presents a digital controlled SPWM three phase bridge unity power factor rectifier which is based on a DSP controller.
    本论文设计了一个基于DSP全数字控制的SPWM三相桥式高功率因数整流器。

unity power factor

相关单词辨析

这组词都有“和谐、一致”的意思，其区别是：
unity: 指各个成员、各群体之间相互协调一致的关系。
concord: 多指人际、国家间或民族之间协调一致的关系。
agreement: 侧重态度与观点上的一致。
harmony: 指人与人之间或不同部分与整体之间完全协调、和谐、愉快，没有摩擦。
accord: 指思想一致，彼此不矛盾，也指行动上的一致。

这组词都有“组成成分”的意思，其区别是：
element: n.元素；组成部分，方面；某特定类型的人或群体，分子。
 ➤ The elements hydrogen and oxygen combine to form water.  
氢元素和氧元素构成了水。
 ➤ He belongs to a bad element in this city.  
他属于这个城市的坏分子。
component: n.零部件；(某事物的)组成部分；成分。
 ➤ Tires, the engine, the body, and the seats are component of a car.  
轮胎，引擎，车身以及坐椅都是一辆汽车的零部件。
ingredient: n.原料，成分，要素。
 ➤ Flour, milk, butter and yeast are some ingredients in bread.  
面粉、牛奶、黄油和酵母是做面包的一些原料。
factor: n.因素，要素，侧重指原因。
 ➤ Endurance is an important factor in success in sports.  
耐力是体育比赛成功的一个重要因素。

这组词都有“国家”的意思，其区别是：
land: 常用于文学中，侧重国土，带感情色彩。
state: 正式用词，指政治概念上的国家，即由政府所代表的国家。
power: 特指拥有强大军事力量，在国际事务中有较强权威或影响的国家，即强国、大国。
nation: 普通用词，指在某一国土定居的人民、民族，强调人民。
country: 普通用词，侧重国土与人民。

这组词都有“力”的意思，其区别是：
might: 多指巨大或超人的力量。
strength: 指机体内部的能力，是依靠身体组织而存在的力，经使用就变为force。
power: 最普通用词，泛指一切力量或能力等。
vigour: 指由生命元气的存在所产生的活力、精力。
force: 着重指克服障碍，推动人或物朝所要求的方向运动或能产生明显效应的力量。
energy: 用于人时，指工作时焕发出的精力或干劲。

privilege: 特权
power: 力量，权力
right: 权利