考虑新能源场站间相互作用的宽频振荡特性研究

马燕峰; 陈鑫; 刘新元; 赵书强; 江伟建

doi:10.19912/j.0254-0096.tynxb.2022-1568

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (1) : 563-573. DOI: 10.19912/j.0254-0096.tynxb.2022-1568

考虑新能源场站间相互作用的宽频振荡特性研究

马燕峰¹, 陈鑫^1,2, 刘新元^1,3, 赵书强¹, 江伟建⁴

作者信息 +

STUDY ON BROADBAND OSCILLATION CHARACTERISTICS CONSIDERING INTERACTION BETWEEN NEW ENERGY STATIONS

Ma Yanfeng¹, Chen Xin^1,2, Liu Xinyuan^1,3, Zhao Shuqiang¹, Jiang Weijian⁴

Author information +

文章历史 +

摘要

相对于单源并网系统,以风光为代表的多源并网系统由于场站间相互作用的存在,使得系统的宽频振荡分析变得更加复杂。针对新能源场站间相互作用参与的宽频振荡问题,该文首先采用图形化建模方法建立系统的小信号模型并进行仿真验证,接着通过特征值分析法进行宽频振荡模式分析,找出风电场与光伏电站共同参与的交互模式,进一步采用阻抗法研究新能源场站间相互作用并进行影响因素分析。研究结果表明,新能源场站间的相互作用取决于场站等值导纳的相对大小及相位,新能源场站的并网距离及出力比均会对场站间相互作用产生影响从而影响系统交互模式,通过分析新能源的不同位置和运行工况下的交互作用规律可对大规模新能源接入及运行提供一定指导。

Abstract

Compared with the single-source grid-connected system, the broadband oscillation analysis of the multi-source grid-connected system, represented by the wind-PV system, becomes more complicated due to the interaction between the stations. In this paper, a small signal model of the system is established by using the graphical modeling method and verified by simulation. Then, the broadband oscillation mode is analyzed by the eigenvalue analysis method to find out the interaction mode of wind farm and photovoltaic power station. Impedance method is used to study the interaction between renewable energy stations and analyze the influencing factors. The research results show that the interaction between renewable energy stations depends on the relative size and phase of the equivalent admittance of the stations, and the grid-connected distance and output ratio of renewable energy stations will affect the interaction between the stations and thus affect the system interaction mode. The analysis of the interaction rule of different positions and operating conditions of renewable energy can provide certain guidance for the access and operation of large-scale renewable energy.

导出引用

马燕峰, 陈鑫, 刘新元, 赵书强, 江伟建. 考虑新能源场站间相互作用的宽频振荡特性研究[J]. 太阳能学报. 2024, 45(1): 563-573 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1568

Ma Yanfeng, Chen Xin, Liu Xinyuan, Zhao Shuqiang, Jiang Weijian. STUDY ON BROADBAND OSCILLATION CHARACTERISTICS CONSIDERING INTERACTION BETWEEN NEW ENERGY STATIONS[J]. Acta Energiae Solaris Sinica. 2024, 45(1): 563-573 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1568

中图分类号： TM712

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