Electromagnetic Transient Controlled Source Based Decoupling Acceleration Model for Large-scale Offshore Wind Farm

ZOU Ming; WANG Yan; XU Jianzhong; ZHAO Chengyong

doi:10.7500/AEPS20230620003

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Electromagnetic Transient Controlled Source Based Decoupling Acceleration Model for Large-scale Offshore Wind Farm

Key Technologies for Offshore Wind Power System | 更新时间：2025-06-16

- Electromagnetic Transient Controlled Source Based Decoupling Acceleration Model for Large-scale Offshore Wind Farm
- Automation of Electric Power Systems Vol. 48, Issue 2, Pages: 1-8(2024)
- 作者机构：
  
  新能源电力系统全国重点实验室（华北电力大学），北京市 102206
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(52277094);Technology Project of China Huaneng Group Co., Ltd(HNKJ20-H88)
- DOI：10.7500/AEPS20230620003
  CLC：
- Received：20 June 2023，
  
  Revised：2023-08-15，
  
  Published Online：25 September 2023，
  
  Published：25 January 2024
- 稿件说明：
移动端阅览
邹明,王焱,许建中等.大规模海上风电场电磁暂态受控源解耦加速模型[J].电力系统自动化,2024,48(2):1-8.

ZOU Ming,WANG Yan,XU Jianzhong,et al.Electromagnetic Transient Controlled Source Based Decoupling Acceleration Model for Large-scale Offshore Wind Farm[J].Automation of Electric Power Systems,2024,48(2):1-8.
邹明,王焱,许建中等.大规模海上风电场电磁暂态受控源解耦加速模型[J].电力系统自动化,2024,48(2):1-8. DOI： 10.7500/AEPS20230620003.

ZOU Ming,WANG Yan,XU Jianzhong,et al.Electromagnetic Transient Controlled Source Based Decoupling Acceleration Model for Large-scale Offshore Wind Farm[J].Automation of Electric Power Systems,2024,48(2):1-8. DOI： 10.7500/AEPS20230620003.

摘要

随着风电装机容量及占比越来越大，大规模风电场电磁暂态仿真速度极慢的问题愈加凸显。针对现有建模方法复杂、无法反映风电场内部特性、灵活性不足等问题，提出一种大规模海上风电场电磁暂态受控源解耦加速模型。该方法通过受控源传递端口间电压和电流信息，实现风电机组内部元件之间以及不同风电机组之间端口的解耦，从而将系统解算过程中高阶矩阵分解为多个小矩阵以实现快速仿真。基于节点分析法和基尔霍夫定律证明了该方法的有效性。所提出的受控源解耦加速模型建模方法简单，通过仿真软件中现有模块拖拽即可搭建，可以准确仿真风电场的各种暂稳态工况，并且提速效果明显。同时，所提受控源解耦加速模型可与现有文献所提方法互补，扩展其灵活性。最后，在PSCAD/EMTDC中搭建了不同机组数量的风电场模型，验证了受控源解耦加速模型的仿真精度及加速效果。结果表明，所提受控源解耦加速模型可实现1~2个数量级的加速效果，且相比详细模型具有较高的仿真精度。

Abstract

With the increase of installed capacity and proportion of wind power

the problem of extremely slow electromagnetic transient simulation speed of large-scale wind farms is becoming more and more prominent. In view of the complexity of the existing modeling methods

the inability to reflect internal characteristics of the wind farm

and the lack of flexibility

this paper proposes an electromagnetic transient controlled source based decoupling acceleration model (CS-DAM) for the large-scale offshore wind farm. This method realizes the decoupling between the internal components of the wind turbine (WT) and the ports between different WTs by transmitting the voltage and current information between the ports through the controlled source

so that the high-order matrix in the system solution process is decomposed into multiple small matrices to achieve simulation acceleration. The effectiveness of the method is proved based on the node analysis method and Kirchhoff’s law. The proposed modeling method of CS-DAM

which can build a model by dragging existing modules in the simulation software

is simple. The CS-DAM can accurately simulate various transient and steady-state conditions of the wind farm

and the acceleration effect is obvious. Meanwhile

the proposed CS-DAM can complement the methods proposed in the existing literature and expand their flexibility. Finally

wind farm models with different numbers of WTs are built in PSCAD/EMTDC to verify the simulation accuracy and acceleration effect of the CS-DAM. The results show that the proposed CS-DAM can achieve acceleration effects of 1~2 orders of magnitude

and has higher simulation accuracy compared to the detailed model.

关键词

Keywords

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