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       һεԴεԴһضDzøƵֱѹԴͨŵԴΪƵֱѹԴһͣչѾʮʷˡʮøƵֱԴ ͨŵԴķչƣɸΪƵЧʡȾģ黯 
 
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ƵСԴ߹ܶȵҪ;Ƶߵ Դ̬Ʒʵί֤СDCDCֱεԴƵʽﵽ1׺ջߡ ҲڵÿӢ50Wߵ100wϡ  
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ЧΪԴЧҪָ֮һЧʸߣСɢף߹ܶȡ 
 
    
ƵĽʹӡ80ر任о ʼǵԴоſ⡣80ڣǵоӦг ؼɹ׺ռƵʡܶΪ50ߣӢ3صԴֵ· ڽϴʱֱֳ㡣ΪļСΪ㣩 гܴͨӣɴЧʲδߡгѹҲϴ·LC ԪƵ߶ԼСΪõƵĴСгƵ ƶı䣬˲ƴѣ˲ò£Ƶ ʱ˲ƫ  
    
г任ؼڵIJ㣬90ǵо ԪPWMʿֻڿתǰһС· LCԪг״̬ԹɵѹĹʵֹ أڿȫԹPWMģʽͨضѹֳ ѹתZVTZero VoltageTransitionֵ·ṹڸƵܱ任УɸָƵصԴУõ㷺Ӧá  
    
ؼϿʹΪ㣻ʵϣʹĿǰĸֵԴģı任Ч 80ߵ90ϣﵽ˸ƵʡЧʵĹʱ任  
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Ⱦһװú͵ԴĴ㷺Ӧãʹегӣ ͣʹܵȾصԴ˳Ƕһ˲ ϵ·γʼ״๦ֻ0.6-0.7  
    
ΪƵ豸ԵгѾƶ׼С IEC5552ڴʵ豸IEC100032ȡ  
    
ACDCƵԴصԴ˹ԴԴ УPFCԴУ򵥣ӦLC˲磬IEC100032׼ Դﵽ0.92ϣֻ˲ϴԴУ DCDCʱ任֮һԴУAPFC·ʵҲһDCDC ÿƵ·רüɿоƬʹ˵νӽҲѹͬ࣬ Ӷʹ˹ӽ1·ɱԼ 20ݱѽؼӦAPFCԴУõBoost·ӦIGBTñѹתZVTPWM Ƶ100KHZ1KWѹ180260VЧʴﵽ97  
    
ڹо߹·APFC·ͿصԴֻһ·ɡɱֻ5% ڼСAC-DCصԴʵ֡  
    
ʵԴPFCҪʵֵAPFCѵöࡣ˶ַֻ۷ijЩʵƷ١  
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ģ黯һӦֲʽԴϵͳҪȥʲʱԴDzõһ еĹ緽ʽDz÷ֲʽ硣ڣ  
    
1ֲʽ磬нܡЧáά㡢ɿԸߵŵ㡣  
    
2ڵʹģͼɵ·͵ѹԴ2.2V3.3VĹҪ 
 
    
3ҪʱɲСʵԴģ顢ģƼɵ· ɻľʽܻʹԴĺôǣؼ˶ԴԪ ѹ˶ԴʵԴװõѹ  
    
4ϵͨϵͳʵʣֲǽ͵ͨž֣վͨ豸 ɼ֣ÿһֽһΪʵĵԴ豸磬ʹԴ豸ȫ ߣҰѵԴ豸ϵӰһΧڡֲʽ磬ʹͨ豸 ֱ48VΪ220V͵ЧʡֲʽҲɢң ʹÿһҽ˹縺ɣ鹤İȫԡֲʽ Һͨ豸֮ľ룬ȼֱ͵ġ  
     
Ԥ൱һʱڣϢҵԽΪ񾭼Ľ㣬ҲƶصԴչҪ  

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