| 双极性单相SPWM逆变器滤波电感电流值的近似计算方法 |
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| 引用本文： | 张逸成,曹长松,朱学军,姚勇涛,沈玉琢. 双极性单相SPWM逆变器滤波电感电流值的近似计算方法[J]. 低压电器, 2006, 0(11): 9-13 |
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| 作者姓名： | 张逸成 曹长松 朱学军 姚勇涛 沈玉琢 |
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| 作者单位： | 同济大学,电气工程系,上海,200331 |
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| 基金项目： | 国家高技术研究发展计划(863)资助项目(2005AA501060) |
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| 摘 要： | 逆变器满负荷时的电感电流有效值和电流峰值是滤波电感设计的两个重要参数。分析了双极性单相SPWM逆变器的输出电压特性及LC滤波电路的特性,提出了一种近似计算滤波电感电流有效值和电流峰值的方法。与仿真结果相比较,本近似计算方法具有较高的计算精度,为正确选择滤波电感提供了依据。
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| 关 键 词： | 逆变器 LC滤波器 电感 电流有效值 电流峰值 |
| 文章编号： | 1001-5531（2006）11-0009-05 |
| 收稿时间： | 2006-04-26 |
| 修稿时间： | 2006-04-26 |
An Approximate Calculation Approach of the Current of the Filter Conductor for a Bipolar Single-Phase SPWM Inverter |
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| ZHANG Yi-cheng,CAO Chang-song,ZHU Xue-jun,YAO Yong-tao,SHEN Yu-zhuo. An Approximate Calculation Approach of the Current of the Filter Conductor for a Bipolar Single-Phase SPWM Inverter[J]. Low Voltage Apparatus, 2006, 0(11): 9-13 |
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| Authors: | ZHANG Yi-cheng CAO Chang-song ZHU Xue-jun YAO Yong-tao SHEN Yu-zhuo |
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| Affiliation: | Department of Electrical Engineering, Tongji University, Shanghai 200331, China |
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| Abstract: | During full load running of inverter,the inductive current RMS value and the peak current are two important parameters for designing the inductor of the output LC filter.The output voltage characteristic of bipolar single-phase SPWM inverter and LC filter circuit characteristic were analyzed,one approximate calculation method was proposed,comparing with the simulation result,it has higher calculating precision to provide basis for correctly selecting the inductor of the output LC filter. |
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| Keywords: | inverter LC filter inductor current RMS peak current |
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