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感应发电机接入配网对闪变衰减效应的分析及计算

, PP. 128-136

Keywords: 闪变,闪变衰减,鼠笼式感应发电机,传动轴系

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Abstract:

感应发电机(inductiongenerator,IG)接入配网时,不同频率的电网电压波动将使IG表现出动态变化的阻抗特性。首先分析IG接入配网对电压闪变的动态响应,定义IG电压波动衰减系数;重点比较柴油、风力等不同传动轴系对IG电压闪变衰减效应的影响,建立采用两质量块轴系的IG机组线性化模型,提出IG动态阻抗和电压波动衰减系数解析算法。利用Matlab/Simulink软件中IG的详细动态模型验证了本文提出方法的正确性,并分析了感应发电机闪变衰减效应的轴系参数灵敏度。

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