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电网技术  2010 

电力系统机电扰动的传播特性

, PP. 124-127

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Abstract:

采用小扰动方法分析了典型供电系统的低频振荡模式。在扰动情况下,发电机有功功率增量由若干本地模式及区间模式扰动组成。对于相同供电区域内不同发电机的机电扰动,其相应本地模式分量之间是相互抵消的,而区间模式分量之间则会增强。仿真分析进一步验证了机电扰动会在电力系统中发生渗透性传播,其传播速度与发电机的转动惯量相关。

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