This paper describes a new single-phase buck-boost power-factor-correction (PFC) converter with output-voltage, ripple reducing operation. The converter consists of a conventional buck-boost PFC converter and an additional switch to obtain a freewheeling mode of the dc inductor current, and i...
带PFC的升压电感以连续导通模式(CCM)运行变流器,有效降低了输入电流谐波。Buck和Buck-boost功率因数校正变换器也可用于整流器输出,具体取决于所需的应用。 2.2 控制(Control) PFC控制方案通过感测电阻器对整流全波电压的相位进行采样,并对电感电流进行整形,使其与电压同相。由于电感电流与整流交流电压同相,整流器产生...
A digital prediction algorithm for a single-phase boost PFC 预测算法PFC Boost功率因数校正单相输入电压负载电流总谐波失真A novel digital control algorithm for digital control power factor correction is presented,which is ... Q Wang,ChenNing Sun,Weifeng Lu,... - 《半导体学报(英文版)》 被引量: ...
Research and Design of Single - Phase Boost PFC Circuit Based on Current Hysteresis Traditional rectifier circuit by the diode or thyristor, work to produce a large number of harmonics. Active power factor correction (PFC) on this basis to... Y Yu - International Conference on Education 被引量...
Feedforward PFC for Single-phase Boost AC-DC Converters Two feedforward PFC control circuits for single-phase boost AC-DC converters are described. The control method is that of which the sensed signal of the in... Y Sekino - 《Technical Report of Ieice Energy Engineering in Electronics & Co...
结果1 题目 英语翻译Current Phase Lead Compensation in Single-Phase PFC Boost Converters With a Reduced Switching Frequency to Line Frequency Ratio求翻译下这个标题 相关知识点: 试题来源: 解析 在降低了开关频率与电网频率比率的单相PFC升压转换器中的电流相位超前补偿 反馈 收藏 ...
Decades of research have seen single-phase boost-type pulse-width modulation converters be employed as front-end power factor correction (PFC) rectifiers in commercial power supplies. The benefits of employing this technology to comply with power quality standards while assuring high efficiency, low vo...
A novel digital control algorithm for digital control power factor correction is presented, which is called the prediction algorithm and has a feature of a higher PF (power factor) with lower total harmonic distortion, and a faster dynamic response with the change of the input voltage or load ...
This paper proposes a single-phase buck-boost power-factor-correction (PFC) circuit for universal input voltage. This converter is operated in discontinuous conduction mode (DCM) by using simple control scheme to achieve voltage step-up/down with unity power factor and low total harmonic distortion...
CurrentPhaseLeadCompensationinSingle-Phase PFCBoostConverterswithaReducedSwitching FrequencytoLineFrequencyRatio KonstantinP.LouganskiandJih-ShengLai VirginiaPolytechnicInstituteandStateUniversity,FutureEnergyElectronicsCenter,Blacksburg,VA24061-0111 Abstract-Traditionaldesignofthecurrentloopcontrollerina single-phasePFCboo...