phaserectifiercircuit;passivePFC;Matlabsimulation1引言 随着三相变频设备的广泛应用,三相不控整流桥加大电容滤波电路的使用数量日 益增加,由此而产生的谐波电流对电网造成的污染越来越严重,从而导致能量损 耗也越来越多。对于这种前级采用不控整流桥的变换器而言,其实无论后级带何 ...
Abstract:Three-phase PFC is put forward and analyzed, and the real reason of making people dissatisfy researched, which is the restriction among three phases’ circuits, in this paper. And what’s more, the main circuit topology controlled with continuous current type, the circuit principium and...
Keywords:three-phase rectifier circuit;passive PFC;Matlab simulation 1引言 随着三相变频设备的广泛应用,三相不控整流桥加大电容滤波电路的使用数量日益增加,由此而产生的谐波电流对电网造成的污染越来越严重,从而导致能量损耗也越来越多。对于这种前级采用不控整流桥的变换器而言,其实无论后级带何种负载,由于整流桥的...
这样,该式和式(3)合在一起,成为a相输入电感电流完整的正半周波形。同样,能够得到a相负半周的电流波形。所以,a相输入电感电流iLa(ωt)的完整表达式为: (15) a相电感电流iLa(ωt)的波形如图 7所示,其电流频谱如图8所示。同样,其他两相的电感电流波形也可以得到,只是和a相电流相位差2π/3。 图7 a相电感...
phase is employed in order to extend the modulation range M ∈ (0...1), as given for purely sinusoidal modulation, to ) 3 / 2 ... 0 ( 1 ∈ = M M . Fig.5: Circuit structure of a bridge leg of the rectifier and current stresses on the power components according to (10)...
三相无源PFC电路的仿真争论报告的三相不控整流电路仿真争论的根底上对不同的电路拓扑,分别承受Matlab/Simulink6.0软件进展了仿真争论,给出了无源PFC后的输入相电压相电流波形,并对输入相电流进展了谐波分析。关键词:三相整流电路;无源PFC;Matlab仿真Abstract:Theshortcomingsofthethree-phase-uncontroledrectifiercircuitare...
• Output current limit and auto-recovery short circuit protection• Auto-recovery input under/over-voltage protection• Auto-recovery output over-voltage protection• Auto-recovery thermal shutdown MPFC-115-3PH-270P-FP 产品摘要 产品系列如何购买 Bookmarks Typical Application Technical Specificati...
This figure shows the circuit configuration of the PFC rectifier. VSis the supply voltage. ISis the supply-side current. XLis the inductive reactance. Viis the inverter-side AC phase voltage. Vdcis the DC-link voltage. This equation defines the supply voltageVS, ...
Y-108 A Modified Three-phase PFC Circuit with Passive ElementGuan, ErdongMember, StudentMatsui, KeijuYamamoto, IsamuChubu, M
基于单周控制的三相vienna pfc电路研究与设计-research and design of three-phase vienna pfc circuit based on one-cycle control.docx,Keywords:APFCOne Cycle ControlThree-phase PFCVIENNARectifierThesis:ApplicationResearch目录目录1 绪论...