| 光伏并网发电与电能质量调节统一控制系统 |
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| 引用本文： | 杨秋霞,刘大鹏,王海臣,陈学琴. 光伏并网发电与电能质量调节统一控制系统[J]. 电力系统保护与控制, 2015, 43(5): 69-74 |
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| 作者姓名： | 杨秋霞 刘大鹏 王海臣 陈学琴 |
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| 作者单位： | 燕山大学电气工程学院，河北 秦皇岛 066004;燕山大学电气工程学院，河北 秦皇岛 066004;燕山大学电气工程学院，河北 秦皇岛 066004;燕山大学电气工程学院，河北 秦皇岛 066004 |
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| 基金项目： | 秦皇岛市科学技术研究与发展计划项目(201001A086) |
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| 摘 要： | 结合光伏并网系统与有源电力滤波器在控制结构和控制策略上的相似性,研究了一种既能实现光伏并网发电又能实现电能质量调节的统一控制系统。对传统的光伏电池最大功率跟踪(Maximum Power Point Tracking,MPPT)方法进行了改进,给出了流程图。针对统一控制系统特点,在PI控制基础上,提出了准PIR控制策略,从理论上分析了其优势,并给出了各参数的计算方法。在Matlab环境下,搭建了系统的仿真模型,仿真结果证明了该系统结构和控制策略的有效性。
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| 关 键 词： | 光伏并网；电能质量；最大功率跟踪；准PIR控制 |
| 收稿时间： | 2014-05-25 |
A combined control approach for grid-connected photovoltaic and power quality regulatory systems |
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| YANG Qiuxi,LIU Dapeng,WANG Haichen and CHEN Xueqin. A combined control approach for grid-connected photovoltaic and power quality regulatory systems[J]. Power System Protection and Control, 2015, 43(5): 69-74 |
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| Authors: | YANG Qiuxi LIU Dapeng WANG Haichen CHEN Xueqin |
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| Affiliation: | School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China;School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China;School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China;School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China |
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| Abstract: | Considering the consistency in structures and control strategies of the grid-connected photovoltaic inverter and active power filter, a combined control system is proposed. This system can realize both grid-connected power generation and power quality regulation. One new method is proposed based on the traditional maximum power point tracking method, and the flow diagram is given. Based on the proportional-integral control strategy, a modified proportional-integral-resonant control strategy is applied to the combined control system, the advantage of strategy and the calculation method of parameters are given as well. At last, simulation models are built through Matlab, and results show that the structure and control strategy of the system are valid. |
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| Keywords: | grid-connected photovoltaic power quality MPPT modified PIR control |
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