1)Power-factor-segment分功率因数
1.Power-factor-segmentwatt-hour meter assesses fees according to user’s real-time power factor, and themeans of economic lever can be used to urge users to improve their power factors soas to improve the quality of electrical network.分功率因数电能表根据用户实时功率因数考核收费,用经济杠杆的手段激励用户采取适当措施改善功率因数,从而提高电网质量。
英文短句/例句
1.The Research and Design of Power-Factor-Segment Electronic Watt-Hour Meter Based on TMS320F206基于TMS320F206的分功率因数电能表的研究与设计
2.The power factor (pf) is the ratio of average power to apparent power.功率因数是有功功率与视在功率之比。
3.the second is to analyse the meaning of raising power factor and the third is to explain brie fly the method of measuring and raising the power factor.二是分析提高功率因数的意义; 三是简单阐述功率因数的测定及提高功率因数的方法。
4.Analysis and Realizion of a Power Factor Correction Circuit一种功率因数校正电路的分析与实现
5.Research on the Simulation Analysis of the Power Factor of Permanent-Magnet Synchronous Motor;永磁同步电动机功率因数的仿真分析
6.Caculation and Analysis of Three Methods of Increasing the Power Factor提高功率因数的三种方法的计算分析
7.Power Factor Power factor is the cosine of the angle between the actie power( kW) and apparent power( kA) in a circuit.功率因数功率因数是电路中有功功率(W)视在功率(A)间夹角的余弦值。
8.The cause of intermediate frequency power supply havig lower power factor was analyzed, and the way of improving the power factor of the controlled rectifying device was proposed.分析了中频电源功率因数低的原因,提出了改善可控整流装置功率因数的方法。
9.Active Power Factor Corrector with One-Cycle Control Method一种单周期控制的有源功率因数校正电路分析
10.Analysis and Improvement of Single Phase Power Factor Corrector Circuit;单相电源功率因数校正电路的分析与改进
11.The Research of Distributed Generation Used Three Phase High Power Factor Rectifier;用于分布式发电的三相高功率因数整流器研究
12.Research and Analysis of the Wide Output Voltage PFC;宽输出电压范围的功率因数校正器研究分析
13.The Power Factor Analysis and Compensation of Induction Heating System on Power Side;感应加热装置网侧功率因数分析与补偿
14.Analysis and Comparison of Two Control Methods of PFC;两种功率因数校正(PFC)控制方法分析与比较
15.Analysis and Study on Power Factor Regulator Rotor-side Variable Frequency System功率因数可调的转子变频性能分析和研究
16.Research on Three-Phase Partial Active Power Factor Correction三相三开关部分有源功率因数校正电路的研究
17.Active Power Factor Correction Technology and Control Methods Analysis有源功率因数校正技术及控制方式分析
18.Design of a novel High-power-factor Three-phase Rectifier一种新型高功率因数三相整流器的分析设计
相关短句/例句
Mesure according to power factor分功率因数计量
3)Power factor功率因数
1.Principle and approach to improve power factor of induction furnace of intermediate frequency;一种提升中频加热炉功率因数的原理及方法
2.Design and experiment of high power factor converter on arc welding inverter power source;高功率因数弧焊逆变电源的整流器设计与实验
3.The Method of Group-Control for Electronic Ballasting of the High Power Factor;高功率因数电子镇流的群控方法
4)power factors功率因数
1.The designing of switch power source high power factors converter;开关电源高功率因数变换器设计
2.Methods are explored to improve power factors of ion membrane of the rectifying device through control of the conduction angles.介绍了整流装置的功率因数的特点,分析了导通角的控制方法。
3.By analysing the short net power factors and electricity pressure lowered of silicon furnace,it expounds the influences to efficency of voltage trans-ferance and production electricity consumption caused by short net function,it also discusses the method of improving short net funtions and achivements made.通过对硅铁炉短网功率因数和电压降的测试分析指出了短网性能对电能输送效率以及产量电耗的影响 ,探讨了改进短网性能的方法和所取得的效果。
5)power-factor功率因数
1.A power-factor corrector of the small welding power inverter;小功率逆变电源的功率因数校正电路
2.Simulation compute for power-factor of DC drive electric locomotive;直流传动电力机车功率因数的仿真计算
3.A.C—D.C Converter with the Power-factor Nearly Unity;功率因数接近1的交—直变换器
6)PF功率因数
1.This paper introduces the harm caused by low power factor and harmonics,explaines the definitions of power factor and THD,dissertates the basic principle and the control methods of active power factor correction,introduces interior structure and working principles of UC3854-an IC used only on APFC s control,explains typical circuit of UC3854 and testing result,dissertates its ascendant capability.文中介绍了谐波存在的危害和APFC控制常用的专用集成芯片UC3854的内部结构及其工作原理,论述了有源功率因数校正的基本工作原理及其控制方式和优越的性能,给出了功率因数和THD的定义及UC3854典型应用电路和实测结果。
2.This paper presents the operating principle of Active Power Factor Correction(APFC) circuit with one-cycle control.采用基于单周控制的专用芯片IR1150[2],设计了一台1kW的功率因数校正装置。
3.The control circuits can be realized by using modified single phase PFC algorithm.介绍了一种交错并联的单相功率因数校正(PFC)电路及其控制方法,利用该电路中的耦合电感实现了Boost电路的二极管零反向恢复损耗,从而提高了电路效率,减少了EMI。
延伸阅读
分功1.古代博弈用语。 2.犹分工。
