| 改善区域间振荡阻尼的快速功率调制策略研究 |
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| 引用本文： | 古庭赟1,杨骐嘉2,徐梅梅1,肖小兵1,伍华伟3,吴贵烘2,李宇骏2. 改善区域间振荡阻尼的快速功率调制策略研究[J]. 陕西电力, 2022, 0(2): 55-61 |
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| 作者姓名： | 古庭赟1 杨骐嘉2 徐梅梅1 肖小兵1 伍华伟3 吴贵烘2 李宇骏2 |
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| 作者单位： | （1.贵州电网有限责任公司电力科学研究院，贵州贵阳 550002；2.西安交通大学电气工程学院，陕西西安 710049；3.贵州电网有限责任公司都匀供电局，贵州都匀 558000） |
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| 摘 要： | 提出一种通过双馈风机快速有功功率调制改善系统阻尼的方法。首先建立了双馈风机的数学模型，进而提出了单台双馈风机-无穷大系统小干扰稳定分析的一般方法。通过对含4机2区域系统开展特征值分析，找出区域间主导的振荡模式。类比同步机电力系统稳定器（PSS）的设计思路，给出设计双馈风机阻尼控制器的设计流程。暂态仿真结果表明在加装双馈风机阻尼控制器后，系统阻尼得到了有效提升，系统的低频振荡得到有效的抑制。
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| 关 键 词： | 双馈风机 阻尼抑制器 系统振荡 |
Fast Power Modulation Strategy for Inter-area Oscillation Damping Improvement of DFIG |
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| GU Tingyun1,YANG Qijia2,XU Meimei1,XIAO Xiaobing1,WU Huawei3,WU Guihong2,LI Yujun2. Fast Power Modulation Strategy for Inter-area Oscillation Damping Improvement of DFIG[J]. Shanxi Electric Power, 2022, 0(2): 55-61 |
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| Authors: | GU Tingyun1 YANG Qijia2 XU Meimei1 XIAO Xiaobing1 WU Huawei3 WU Guihong2 LI Yujun2 |
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| Affiliation: | （1. Electric Power Research Institute of Guizhou Power Grid Co.， Ltd.， Guiyang 550002， China， 2. School of Electrical Engineering， Xi’an Jiaotong Universtiy，Xi’an 710049， China， 3. Duyun Power Supply Bureau of Guizhou Power Grid Co.， Ltd.， Duyun558000， China） |
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| Abstract: | This paper proposes a method to improve system damping by rapidly modulating the active power of doubly-fed induction generators （DFIGs）. Firstly， the mathematical model of DFIGs is established， and the general method of small signal stability analysis modeling for the single-machine infinite system with DFIGs is given. Based on the model， the dominant inter-area oscillation mode is obtained by analyzing the eigenvalues of the 4-machine 2 area system with DFIGs. Through the practical idea of analog synchronous generator power system stabilizer （PSS）， the DFIG damping controller is designed to regulate the dominant mode of the original system. The results of transient simulation experiment show that the system damping is effectively increased and the power system oscillation is effectively suppressed after the addition of the DFIG damping controller. |
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| Keywords: | doubly fed induction generators damping suppressor system oscillation |
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