风火打捆外送情形下风电与电网失步解列的交互影响

李立新; 曲柏玉; 李旭

doi:10.16513/j.cnki.10-1427/tk.2016.02.005

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分布式能源 ›› 2016, Vol. 1 ›› Issue (2) : 28-34. DOI: 10.16513/j.cnki.10-1427/tk.2016.02.005

学术研究

风火打捆外送情形下风电与电网失步解列的交互影响

作者信息 +

Interactive Influence Between Wind Farms for Wind-Thermal-Bundled Power Transmitted System and Out of Step Splitting of Power Grid

Author information +

文章历史 +

摘要

为了研究风火打捆外送情形下风电与电网失步解列的交互影响，在PSD-BPA仿真平台上建立风火打捆单机无穷大系统，仿真分析风电接入容量、无功电压运行方式对电网失步解列的影响，并在实际电网中进行仿真验证。同时，结合实际电网，对比风机脱网量，仿真分析了电网失步解列对风机可靠并网的反作用。由分析结果可知：风电接入容量越大且风机运行在恒电压方式时有利于抑制系统的失步振荡；风电的接入位置、故障点位置的改变可能导致失稳模式改变，进而影响风机的可靠并网。

Abstract

The single-machine infinite-bus model of wind-thermal-bundled power transmitted system was built on the platform of PSD-BPA software to study the interactive influence between wind farms for wind-thermal-bundled power transmitted system and out of step splitting of power grid. The influences of wind power capacity, operation mode of reactive power and voltage of wind power were investigated and compared, with the simulation validation on practical power grid. The corresponding capacity of off-grid wind power was analyzed to determine the effect of out of step splitting of power grid on the integration of wind power was investigated. The results show that the wind power integration of larger capacity, operating at constant voltage, contributes great to the transient out-of-step for wind-thermal-bundled sending system；the integration and fault location of wind power will change the instability mode of power grid, so as to affect the integration of wind power.

导出引用

李立新, 曲柏玉, 李旭. 风火打捆外送情形下风电与电网失步解列的交互影响[J]. 分布式能源. 2016, 1(2): 28-34 https://doi.org/10.16513/j.cnki.10-1427/tk.2016.02.005

Lixin LI, Baiyu QU, Xu LI. Interactive Influence Between Wind Farms for Wind-Thermal-Bundled Power Transmitted System and Out of Step Splitting of Power Grid[J]. Distributed Energy Resources. 2016, 1(2): 28-34 https://doi.org/10.16513/j.cnki.10-1427/tk.2016.02.005

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参考文献

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