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计及感应电动机负荷的光伏并网系统的小干扰稳定性分析 被引量：2

Small Signal Stability Analysis of PV System Considering Induction Motor Loads
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摘要 分析了光伏并网系统接到配电网并计及感应电动机负荷的小干扰稳定性分析,建立了光伏系统、配电系统以及感应电动机负荷的数学模型,运用特征值分析法分析了光照强度以及感应电动机负荷参数变化对整个系统的小干扰稳定影响。分析结果表明:感应电动机负荷参数的变化仅对配电系统有影响而对光伏系统没有影响,光照强度的变化仅对光伏系统有影响,这说明了所提出的控制策略使得光伏系统与配电系统存在着弱联系。 This paper investigates small signal stability of distribution systems considering both induction motors and PV systems.The mathematical model of a PV system,distribution network and induction motor are combined in dynamic modeling.The impacts of motor parameters and solar irradiation on the small signal stability of a test distribution system are analyzed using the eigenvalue method.The analysis results show that motor parameters have influence on distribution systems and no impact on the PV system.The variation of the solar irradiation only affects the output of the PV system.The proposed control strategy isolates the distribution system with PV system.
作者 韩肖清 田华 王鹏
机构地区 太原理工大学
出处 《电力学报》 2011年第1期1-6,共6页 Journal of Electric Power
基金 国家国际科技合作项目(2010DFB73120)
关键词 配电网 感应电动机 风力并网发电 光伏并网系统 小干扰稳定性 distribution network induction motor grid-connected photovoltaic system small signal stability
分类号 TK519 [动力工程及工程热物理—热能工程]
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参考文献16

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二级参考文献39

共引文献114

同被引文献21

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二级引证文献23

电力学报
2011年 第1期

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