无线电工程
無線電工程
무선전공정
RADIO ENGINEERING OF CHINA
2015年
2期
64-66,80
,共4页
姚旭升%陈涛%陈亮%申海鹏
姚旭升%陳濤%陳亮%申海鵬
요욱승%진도%진량%신해붕
电源适配器%功率因数校正%恒压%恒流
電源適配器%功率因數校正%恆壓%恆流
전원괄배기%공솔인수교정%항압%항류
power adapter%PFC%constant voltage%constant current
随着开关器件在各种电能变换器中的广泛应用,虽然提高了变换器的转换效率,但是带来了谐波污染和功率因数降低等问题。为了消除谐波污染并改善功率因数,设计一款隔离型电源适配器,以TI公司的电源芯片UCC28019为核心,具有功率因数校正( Power Factor Correction, PFC)、精密恒压/恒流输出功能。通过对适配器各分单元的原理介绍,对主电路中电感和变压器进行参数计算,对电路进行仿真验证,证明了该方法的可行性。
隨著開關器件在各種電能變換器中的廣汎應用,雖然提高瞭變換器的轉換效率,但是帶來瞭諧波汙染和功率因數降低等問題。為瞭消除諧波汙染併改善功率因數,設計一款隔離型電源適配器,以TI公司的電源芯片UCC28019為覈心,具有功率因數校正( Power Factor Correction, PFC)、精密恆壓/恆流輸齣功能。通過對適配器各分單元的原理介紹,對主電路中電感和變壓器進行參數計算,對電路進行倣真驗證,證明瞭該方法的可行性。
수착개관기건재각충전능변환기중적엄범응용,수연제고료변환기적전환효솔,단시대래료해파오염화공솔인수강저등문제。위료소제해파오염병개선공솔인수,설계일관격리형전원괄배기,이TI공사적전원심편UCC28019위핵심,구유공솔인수교정( Power Factor Correction, PFC)、정밀항압/항류수출공능。통과대괄배기각분단원적원리개소,대주전로중전감화변압기진행삼수계산,대전로진행방진험증,증명료해방법적가행성。
The switch devices used widely in all kinds of power converter improve the conversion efficiency of converter,which brings harmonic pollution and low power factor.In order to eliminate the harmonic pollution and improve power factor,an isolation type power adapter is designed,which uses UCC28019 as core and has such functions as power factor correction ( PFC) and precision con?stant voltage/constant current output.The principle of all units of adapter is introduced,the parameter calculation is performed for main circuit inductance and transformer.The simulation results show that this method is feasible.