低频振荡阻尼特性的影响因素分析

2011 International Conference on Power Engineering, Energy and Electrical Drives Pub Date : 2011-05-11 DOI:10.1109/POWERENG.2011.6036522

Lei Yun, Dichen Liu, Rusong Wang

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引用次数: 0

摘要

随着跨区域电网规模的扩大，低频振荡已成为影响电网安全稳定运行的重要因素。在分析电力系统阻尼力矩的基础上，研究了常用的发电机模型、负荷模型和各种运行方式对电网小信号稳定性的影响。通过对四发电机两区系统的仿真，得到了在上述三个因素分别变化的情况下，系统阻尼特性和频率特性随相关参数变化的规律。

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Influencing factors analysis of damping characteristics on low frequency oscillation

As the scale of cross-regional power grid increases, low frequency oscillation has become an important factor that affects safe and stable operation of power grid. Based on the damping torque analysis of power system, the effects of commonly used generator models, load models and the various operation modes on small signal stability of power grid have been studied. A law describing the changes of system damping characteristics and frequency characteristics has been obtained according to the changes of related parameters based on the simulation of four-generator two-area system under the situations that the three proposed factors change respectively.

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来源期刊

2011 International Conference on Power Engineering, Energy and Electrical Drives

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