| 小容量系统功率因数校正技术 |
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| 引用本文： | 李建科,王金全,金伟一.小容量系统功率因数校正技术[J].电力自动化设备,2011,31(1):59-62. |
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| 作者姓名： | 李建科 王金全 金伟一 |
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| 作者单位： | 解放军理工大学工程兵工程学院; |
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| 摘 要： | 为了提高电力电子装置的功率因数,选用一种功率因数校正方案,在电路拓扑方面采用无桥双Boost功率因数校正(2nd DBPFC)电路,降低电路损耗,可提高装置的效率;在控制策略方面采用单周期控制技术,不需要乘法器及输入线电压采样和电压前馈,只需开关管电流峰值信号就能完成对输入电流的控制,控制电路的设计简单.对单周期控制无...
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| 关 键 词： | 谐波 峰值电流控制 变频 功率因数校正 单周期控制 |
Power factor correction for short capacity system |
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| LI Jianke,WANG Jinquan,JIN Weiyi.Power factor correction for short capacity system[J].Electric Power Automation Equipment,2011,31(1):59-62. |
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| Authors: | LI Jianke WANG Jinquan JIN Weiyi |
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| Affiliation: | LI Jianke,WANG Jinquan,JIN Weiyi(The PLA of University of Science and Technology,Nanjing 210007,China) |
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| Abstract: | A PFC(Power Factor Correction) scheme is employed to improve the power factor of power electronic equipment,which applies the double boost bridgeless PFC(2nd DBPFC) circuit to reduce circuit loss and improve equipment efficiency.The one cycle control technique is adopted,which only senses the switch peak current to control the input current.The multiplier,input line voltage sampling and voltage feedforward are not needed,which makes the control circuit design very simple.Its feasibility and impedance charac... |
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| Keywords: | harmonic peak current control variable frequency PFC one cycle control |
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