| 提高无源逐流电路功率因数的一种方法 |
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| 引用本文： | 杨庆江,刘晓红. 提高无源逐流电路功率因数的一种方法[J]. 现代电子技术, 2011, 34(1): 200-202,206 |
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| 作者姓名： | 杨庆江 刘晓红 |
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| 作者单位： | 黑龙江科技学院,黑龙江哈尔滨,150027 |
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| 摘 要： | 无源逐流功率因数校正电路由于成本低、性能好，目前在国内得到了广泛的应用。但是这种电路存在着电流谐波成分相对较高，功率因数改善有限。不能满足更高的电磁兼容标准的要求。提出了一种改进的无源逐流功率因数校正电路，并且以28W荧光灯为负载，对比进行了实验分析研究。改进的无源逐流功率因数校正电路在不增加成本的情况下，获得了进一步减少电流谐波成分，提高功率因数，更好地满足电磁兼容标准的结果，具有更高的实用价值。
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| 关 键 词： | 无源功率因数校正 谐波电流 荧光灯 电磁兼容 |
Method of Improving Power Factor in Passive Circuit by Current |
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| YANG Qing-jiang,LIU Xiao-hong. Method of Improving Power Factor in Passive Circuit by Current[J]. Modern Electronic Technique, 2011, 34(1): 200-202,206 |
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| Authors: | YANG Qing-jiang LIU Xiao-hong |
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| Affiliation: | YANG Qing-jiang,LIU Xiao-hong(Heilongjiang College of Science and Technology,Harbin 150027,China) |
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| Abstract: | The circuit by the current of passive power factor correction is widely applied in china,because of its low cost and good performance,but the circuit has relatively high harmonic current so that the power factor can't be further improved and can't meet the requirement of higher electromagnetic compatibility.A modified circuit by current to improve the passive power factor correction is proposed.Taking 28 W fluorescent lamp as the load,the experimental analysis and study are carried out with contrast method.... |
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| Keywords: | passive power factor correction harmonic current fluorescent lamp electromagnetic compatibility |
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