| 异步化汽轮发电机对电力系统低频振荡的抑制 |
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| 引用本文： | 刘刃,廖勇.异步化汽轮发电机对电力系统低频振荡的抑制[J].重庆大学学报(自然科学版),2009,32(2):126-130. |
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| 作者姓名： | 刘刃 廖勇 |
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| 作者单位： | 重庆大学,输配电装备及系统安全与新技术国家重点实验室,重庆,400030
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| 摘 要： | 针对异步化汽轮发电机阻尼特性,提出了在电力系统中采用异步化汽轮发电机部分取代传统同步发电机来抑制低频振荡的理论.分析了电力系统产生低频振荡的原因,研究了异步化汽轮发电机的阻尼特性.以一典型两机两区域系统为例,对异步化汽轮发电机抑制电力系统低频振荡的效果进行了仿真分析,仿真结果进一步表明在电力系统中引入异步化汽轮发电机,能改善系统的动暂态运行特性,并能有效抑制电力系统的低频振荡.
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| 关 键 词： | 电力系统 异步化汽轮发电机 低频振荡 阻尼特性 |
Low frequency oscillation restraint in power systems that include asynchronized turbogenerators |
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| LIU Ren and LIAO Yong.Low frequency oscillation restraint in power systems that include asynchronized turbogenerators[J].Journal of Chongqing University(Natural Science Edition),2009,32(2):126-130. |
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| Authors: | LIU Ren and LIAO Yong |
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| Institution: | State Key Laboratory of Power Transmission Equipment & System Security and New Technology;Chongqing University;Chongqing 400030;P.R.China |
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| Abstract: | Reasons for the occurrence of low frequency oscillations in power system are analyzed,and the damping characteristics of asynchronized turbogenerators(ASTG) are investigated thoroughly.Based on these damping characteristics,a theory of restraining low frequency oscillation by partially replacing the traditional synchronous generator in power systems with an ASTG is proposed.A typical two machines,two area power system model is established.A simulation studying ASTG restraint of low frequency oscillation in ... |
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| Keywords: | power systems asynchronized turbogenerator (ASTG) low frequency oscillation damping characteristics |
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