| 基于变频变压器的电力系统低频振荡自适应阻尼控制器设计 |
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| 引用本文： | 陈葛松,周孝信,宋瑞华. 基于变频变压器的电力系统低频振荡自适应阻尼控制器设计[J]. 中国电机工程学报, 2011, 31(16) |
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| 作者姓名： | 陈葛松 周孝信 宋瑞华 |
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| 作者单位： | 1. 国家电网公司,北京市,西城区,100031
2. 中国电力科学研究院,北京市,海淀区,100192 |
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| 摘 要： | 变频变压器(variable frequency transformer,VFT)是一种能够联接异步电网的新型灵活交流输电系统设备.介绍了变频变压器的基本结构和主要功能,重点分析如何利用变频变压器抑制电力系统低频功率振荡,开发了基于变频变压器和普罗尼(Prony)方法的电力系统低频功率振荡自适应阻尼控制器的系统模型和计算程序.利用电力系统综合分析程序建立了包括变频变压器在内的典型4机电力系统和大型实际复杂电力系统的仿真模型,对不同系统规模、不同结构情况下阻尼控制器抑制低频振荡的效果进行大量仿真研究,验证了自适应阻尼控制器的适应性和有效性.
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| 关 键 词： | 变频变压器 互联系统 低频振荡 Prony方法 |
Design of Self-adaptive Damping Controller to Low Frequency Power Oscillation in Interconnected Power Systems Based on Variable Frequency Transformer |
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| CHEN Gesong , ZHOU Xiaoxin , SONG Ruihua. Design of Self-adaptive Damping Controller to Low Frequency Power Oscillation in Interconnected Power Systems Based on Variable Frequency Transformer[J]. Proceedings of the CSEE, 2011, 31(16) |
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| Authors: | CHEN Gesong ZHOU Xiaoxin SONG Ruihua |
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| Affiliation: | CHEN Gesong1,ZHOU Xiaoxin2,SONG Ruihua2 (1.State Grid Corporation of China,Xicheng District,Beijing 100031,China,2.China Electric Power Research Institute,Haidian District,Beijing 100192,China) |
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| Abstract: | Variable frequency transformer(VFT) is a new type of flexible AC transmission systems(FACTS) device for interconnecting power systems asynchronously.In this paper,the basic structure and functions of VFT were introduced,the performance of VFT to damp low frequency power oscillation was studied,and a new type of self-adaptive damping controller including system model and calculation program was developed by means of VFT and Prony method.Two simulation systems respective for a typical 4 generators power syste... |
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| Keywords: | variable frequency transformer(VFT) interconnected power systems low frequency oscillation Prony method |
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