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Influencing factors analysis of damping characteristics on low frequency oscillation

机译:影响低频振荡阻尼特性的影响因素分析

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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.
机译:随着跨区域电网的规模增加,低频振荡已成为影响电网安全稳定运行的重要因素。基于电力系统阻尼扭矩分析,研究了常用发电机型号,负载模型和各种操作模式对电网小信号稳定性的影响。根据三个提出因子分别改变的情况下,根据相关参数的改变,获得了描述了系统阻尼特性和频率特性的变化的法律。

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