14-PFC - Power Factor Correction Chern-Lin Chen ( )...

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Chern-Lin Chen ( ) Department of Electrical Engineering & Graduate Institute of Electronics Engineering National Taiwan University e-mail - clchen@cc.ee.ntu.edu.tw office tel – +886-2-3366-3575 Power Factor Correction May. 25, 2010
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1 Power ICS Laboratory 功率積體電路與系統實驗室 Chern-Lin Chen 陳秋麟 National Taiwan University 國立台灣大學 Phase Angle cos displacement PF θ = displacement distortion PF PF PF = ( ) 1, distortion rms rms rms rms PF I V I V = V I V I Harmonics Definition of Power Factor
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2 Power ICS Laboratory 功率積體電路與系統實驗室 Chern-Lin Chen 陳秋麟 National Taiwan University 國立台灣大學 rich current harmonics Bad Shape of Input Current
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3 Power ICS Laboratory 功率積體電路與系統實驗室 Chern-Lin Chen 陳秋麟 National Taiwan University 國立台灣大學 bulky, low PF Line-Frequency Inductor
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4 Power ICS Laboratory 功率積體電路與系統實驗室 Chern-Lin Chen 陳秋麟 National Taiwan University 國立台灣大學 I i n V i n Iin Vo Vin 1/2 Valley Filling
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5 Power ICS Laboratory 功率積體電路與系統實驗室 Chern-Lin Chen 陳秋麟 National Taiwan University 國立台灣大學 Vo 1/3 Valley Filling
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6 Power ICS Laboratory 功率積體電路與系統實驗室 Chern-Lin Chen 陳秋麟 National Taiwan University 國立台灣大學 high PF >0.95 increase loss & cost DC/DC PFC Active PFC
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7 Power ICS Laboratory 功率積體電路與系統實驗室 Chern-Lin Chen 陳秋麟 National Taiwan University 國立台灣大學 Buck V i V 0 Boost V i V 0 Buck/Boost V i V 0 Basic Circuits
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8 Power ICS Laboratory 功率積體電路與系統實驗室 Chern-Lin Chen 陳秋麟 National Taiwan University 國立台灣大學 L C V 0 V i D1 D3 D2 D4 SW D5 + _ ~ Boost-Type PFC
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This note was uploaded on 10/16/2010 for the course GRADUATE I Power IC taught by Professor Chern-linchen during the Fall '09 term at National Taiwan University.

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14-PFC - Power Factor Correction Chern-Lin Chen ( )...

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