| 基于三重化DC／DC变换器的光伏直流微网控制研究 |
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| 引用本文： | 张伟伟,童亦斌,杨捷,杨涛. 基于三重化DC／DC变换器的光伏直流微网控制研究[J]. 变流技术与电力牵引, 2014, 0(3): 52-55 |
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| 作者姓名： | 张伟伟 童亦斌 杨捷 杨涛 |
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| 作者单位： | 北京交通大学国家能源主动配电网技术研发中心; |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目(2011AA05A306) |
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| 摘 要： | 以带有蓄电池单元的独立光伏发电直流微网为研究对象，采用一种三重化DC／DC模块作为接口变换器，提出电压外环、电流内环的双闭环来控制接口变换器。仿真与实验结果表明，三重化DC／DC模块能有效地减小电流纹渡和电流谐波，实现光伏阵列最大功率点的跟踪以及蓄电池单元能量双向流动，稳定了直流母线电压。
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| 关 键 词： | 光伏发电 直流微网 三重化DC DC变换器 控制策略 |
Research on Control Strategy of Photovoltaic Generation in DC Microgrid Based on Three-phase Interleaved DC/DC Converter |
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| ZHANG Wei-wei,TONG Yi-bin,YANG Jie,YANG Tao. Research on Control Strategy of Photovoltaic Generation in DC Microgrid Based on Three-phase Interleaved DC/DC Converter[J]. Converter Technology & Electric Traction, 2014, 0(3): 52-55 |
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| Authors: | ZHANG Wei-wei TONG Yi-bin YANG Jie YANG Tao |
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| Affiliation: | (National Active Distribution Network Technology Research Center (NANTEC), Beijing Jiaotong University, Beijing 100044, China) |
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| Abstract: | Based on an independent photovoltaic generation system in DC microgrid with batteries, a three-phase interleaved DC/DC converter was used as the interface converter. The inner current loop and outer voltage loop were decoupled to control the interface converter. Simulative and experimental results show that the three-phase interleaved DC/DC converter can decrease ripple current and harmonic current effectively, realize MPPT tracking and energy bi-directional flow of the batteries, and stabilize DC bus voltage. |
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| Keywords: | photovoltaic generation DC microgrid three-phase interleaved DC/DC converter control strategy |
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