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單周控制三相三級(jí)PFC整流器

摘要：提出了在三相三級(jí)整流器的二極管反并聯(lián)全控型電力電子開(kāi)關(guān)元件，用單周控制實(shí)現(xiàn)脈寬調(diào)制PWM控制，對(duì)升壓式(Boost)功率因數(shù)校正(PFC) 拓?fù)潆娐返姆治觯�表明在無(wú)逆變的要求下，只需對(duì)下橋臂或上橋臂各相全控型開(kāi)關(guān)元件，進(jìn)行斷續(xù)導(dǎo)通控制，便可達(dá)到功率因數(shù)接近1，實(shí)現(xiàn)交流進(jìn)線正弦電流的目的，文中利用了Matlab/Simulink軟件，對(duì)上述三相三級(jí)整流器PFC電路用單周控制進(jìn)行了建模和仿真，得出了預(yù)期的結(jié)果，證明在原理上是可行的。 敘詞：三相三級(jí)整流器 功率因數(shù)校正(PFC) Boost電路 單周控制 Matlab/Simulink仿真 Abstract：What the paper presents first is the application of single-cycle control over anti-parallel-connection whole-control power electronic switch components of the diode of three-phase tertiary rectifier, to realize PWM control; In addition, the analysis of boost PFC topology circuit reveals that without inversion, operating only intermittent conduction control over whole-control swich components of upper bridge arm or lower bridge arm, the power factor may reach 1, so as to realize the target of AC lead-in sine-wave current.　Matlab/Simulink program is applied to model and simulate three-phase tertiary rectifier PFC circuit single-cycle control, and expected results are reached, which proves that it works in principle. Keyword：Three phase tertiary rectifier, Power factor correction, Boost circuit, Single-cycle control, Matlab/Simulink simulation

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