| 多电平并网逆变器谐波抑制设计策略研究 |
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| 引用本文： | 邱爱中,邱大为,郝华辉.多电平并网逆变器谐波抑制设计策略研究[J].河南科学,2013(12):2199-2202. |
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| 作者姓名： | 邱爱中 邱大为 郝华辉 |
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| 作者单位： | [1]郑州师范学院,郑州450044 [2]中国科学技术大学,合肥230000 [3]方城教师进修学校,河南方城473200 |
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| 基金项目： | 河南省基础与前沿技术研究项目（132300410361）;郑州市科技攻关项目（131PPTGG419-1）;河南省教育厅科学技术研究重点项目（14A470008）. |
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| 摘 要： | 为提高并网系统的稳定性和获得高质量的并网电流，将简化的五电平逆变器拓扑电路应用于并网系统，采用T型滤波器滤波、电容电流内环，并网电流外环的双闭环控制提高系统稳定性．针对Pl控制的特点，研究在减小稳态误差和实现单位功率因数并网的参数条件．所设计的系统综合了五电平逆变器拓扑电路、双闭环控制、PI控制的优点，仿真试验验证了该设计的合理性、有效性和可行性．
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| 关 键 词： | 五电平逆变器 T型滤波器 双闭环控制 PI控制 |
The Control Scheme of Harmonics Suppression for Multi-level Grid-connected Inverter |
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| Qiu Aizhong,Qiu Dawei,Hao Huahui.The Control Scheme of Harmonics Suppression for Multi-level Grid-connected Inverter[J].Henan Science,2013(12):2199-2202. |
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| Authors: | Qiu Aizhong Qiu Dawei Hao Huahui |
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| Institution: | Zhengzhou Normal University, Zhengzhou 450044, China： 2. University of Science and Technology of China, Hefei 230000, China 3. Fangcheng Teachers＇ School, Fangcheng 473200, Henan China) |
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| Abstract: | In order to improve the stability of the grid-connected system and get the high quality of the current, the simplified five level inverter is used with T type filter and double closed loops of the capacitor current inner loop and grid connected current outer loop to improve system stability. According to the characteristics of PI control, the parameters are studied on steady-state error reducing and unit power factor. The system combines the advantages of the five-level inverter, double closed loops and PI control. The simulation results show that the design is effective and feasible. |
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| Keywords: | five-level inverter T filter： dual-loop control PI control |
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