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pfc电路
相关语句
  pfc circuit
    Three Phase Single Switch ZCS BUCK Type PFC Circuit
    三相单管ZCS BUCK型PFC电路研究
短句来源
    Analysis of power dissipation of switching components in boost PFC circuit
    Boost PFC电路中开关器件的损耗分析与计算
短句来源
    Analysis of a Soft-switching Single-phase PFC Circuit With Two Power Components
    两开关管软开关单相PFC电路分析
短句来源
    Single Stage PFC Circuit with Full Bridge Structure
    全桥结构的单级PFC电路研究
短句来源
    The model of PFC circuit as switched linear systems with one-cycle control
    单周期控制的PFC电路切换线性模型
短句来源
更多       
  pfc circuit
    Three Phase Single Switch ZCS BUCK Type PFC Circuit
    三相单管ZCS BUCK型PFC电路研究
短句来源
    Analysis of power dissipation of switching components in boost PFC circuit
    Boost PFC电路中开关器件的损耗分析与计算
短句来源
    Analysis of a Soft-switching Single-phase PFC Circuit With Two Power Components
    两开关管软开关单相PFC电路分析
短句来源
    Single Stage PFC Circuit with Full Bridge Structure
    全桥结构的单级PFC电路研究
短句来源
    The model of PFC circuit as switched linear systems with one-cycle control
    单周期控制的PFC电路切换线性模型
短句来源
更多       
  “pfc电路”译为未确定词的双语例句
    OUTPUT VOLTAGE RIPPLE ANALYSIS AND FILTERING CAPACITANCE DETERMINATION OF THE PFC CIRCUITS USING BOOST
    采用Boost的PFC电路输出电压纹波分析及输出滤波电容值的确定
短句来源
    Reserch on Improvement of Dynamic Characteristics of PFC Circuits Based on Output Pulse Compensation
    采用输出脉动补偿改善PFC电路动态性能的研究
短句来源
    An Analysis for One Practical Method of Single-phase PFC Control
    一种实用新型单相PFC电路控制方法的分析
短句来源
    A New Type Circuit of Three-phase PFC with Single-switch and DCM
    新型三相单开关DCM PFC电路
短句来源
    A Novel Method for Current Control Used in PFC Converter
    一种新颖的应用于PFC电路中电流控制的方法
短句来源
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  pfc circuit
Since a PFC circuit keeps the mains current and voltage in phase with very low distortion, mains power integrity is maintained.
      
The current and voltage values have been extracted from the simulation results of the PFC circuit in PSIM.
      
The output of the PFC circuit is fed into an inverter to obtain high frequency pulses to the output.
      
While a third device serves duty in the main PFC circuit as the power switch that drives the PFC inductor.
      
  pfc circuit
Since a PFC circuit keeps the mains current and voltage in phase with very low distortion, mains power integrity is maintained.
      
The current and voltage values have been extracted from the simulation results of the PFC circuit in PSIM.
      
The output of the PFC circuit is fed into an inverter to obtain high frequency pulses to the output.
      
While a third device serves duty in the main PFC circuit as the power switch that drives the PFC inductor.
      
  pfc
Introduction of 5% perfluorodecalin, carbogal, or perfluoromethyldecalin resulted for two strains in a 1.7-3.1-fold increase in biomass and a 3.2-24.5-fold increase in ice-forming activity compared to the control (without PFC).
      
A soft-switched boost PFC converter has been studied based on its topology analysis, PSIM simulation and circuit experiment.
      
Average modeling of Single Stage Flyback PFC+Flyback DC/DC converter
      
With the use of this novel everage model for Single Stage Flyback PFC+Flyback DC/DC converter, voltage control mode, peak current control mode and average current control mode can be simulated easily by changing the model's parameters.
      
It can be applied to optimize the trade-off between high power factor, voltage stress, current stress and good output performance while designing this kind of single stage PFC converter.
      
更多          


The relations of the frequency range,turn on time,turn off time to output voltage,input voltage and inductance in the active PFC circuits with Boost, Boost/Buck and flyback converter are presented. Input current waveforms and input power factor are analysed, applications of active PFC with these power circuits for critical continuous current mode are discussed.

峰值电流型PFC电路的频率与电路参数关系赵修科陈炜(南京航空航天大学自动控制系,南京210016)(南通纺织工学院电气工程与自动化系,南通226000)功率因数校正PFC(PowerFactorCorection)是通过一定的控制方式,使输入电流具...

This paper analyzes the PFC circuits that uses the Boost as the main circuit. It derives the mathematic expression of the output voltage ripple, and finds out the calculation formula for determining the value of the output filtering capacitor. The formula applies to any Boost circuits with different control mode. The result is proved by a computer simulation.

本文对采用Boost为主电路的PFC电路进行分析,推导出输出电压纹波的数学表达式,进而找出了确定输出滤波电容的计算公式,公式对各种方式控制的Boost PFC电路普遍适用,计算机仿真证明结论的正确性。

The following contributions for active power factor correction circuits (abbr., PFC) have been made in illustration of Boost PFC in this paper: (1)The principle of Boost PFC has been better stated. The characteristics of unit power factor in the circuits have been proved and main wave forms have been given. (2)The formula of duty factor has been provided and the SPWM must be used in this circuit. (3)An ideal model of PF= 1 has been proposed and the formulas of output current and power can be gotten by using...

The following contributions for active power factor correction circuits (abbr., PFC) have been made in illustration of Boost PFC in this paper: (1)The principle of Boost PFC has been better stated. The characteristics of unit power factor in the circuits have been proved and main wave forms have been given. (2)The formula of duty factor has been provided and the SPWM must be used in this circuit. (3)An ideal model of PF= 1 has been proposed and the formulas of output current and power can be gotten by using the ideal model easily.

本文以Boost型功率因数校正器(简写为PFC)为例,阐述了其电路的工作原理,用数学方法证明了其电路具有功率因数为1的性质,给出了若干主要波形及占空比的瞬态表达式,证明了其电路采用的是SPWM方式,给出了PFC电路的理想模型,利用这个模型可以得到输出功率、输出电流等的变化规律.本文的结论对于分析、设计、调试PFC电路有一定的实用价值.

 
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