Research on Offshore Wind Farm Integration Via VSC-MTDC

YU Yongsheng; FENG Yanhui; JIANG Hongxin; QIU Yingning

doi:10.13296/j.1001-1609.hva.2015.10.005

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Research on Offshore Wind Farm Integration Via VSC-MTDC

更新时间：2025-04-26

- Research on Offshore Wind Farm Integration Via VSC-MTDC
- High VoltageApparatus Vol. 51, Issue 10, Pages: 24-33(2015)
- 作者机构：
  
  南京理工大学能源与动力工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.10.005
  CLC： TM614;TM721.1
- Published：2015
- 稿件说明：
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[1]于永生,冯延晖,江红鑫,邱颖宁.海上风电经VSC-MTDC并网研究[J].高压电器,2015,51(10):24-33.

YU Yongsheng, FENG Yanhui, JIANG Hongxin, et al. Research on Offshore Wind Farm Integration Via VSC-MTDC[J]. High voltageapparatus, 2015, 51(10): 24-33.
[1]于永生,冯延晖,江红鑫,邱颖宁.海上风电经VSC-MTDC并网研究[J].高压电器,2015,51(10):24-33. DOI： 10.13296/j.1001-1609.hva.2015.10.005.

YU Yongsheng, FENG Yanhui, JIANG Hongxin, et al. Research on Offshore Wind Farm Integration Via VSC-MTDC[J]. High voltageapparatus, 2015, 51(10): 24-33. DOI： 10.13296/j.1001-1609.hva.2015.10.005.

摘要

文中建立了风电场经两种拓扑结构的VSC-MTDC并入电网的模型

两种模型为串联模型和并联模型

并基于两种拓扑结构的比较结果对多端柔性直流输电控制器进行了优化。仿真模型主要包括:风电场等效聚合模型

风电场换流站控制器

直流电缆的Bergeron模型。优化方法采用单纯形算法。将两种拓扑结构的模型进行了仿真分析

仿真结果显示

在考虑到受交流系统扰动以及风电场侧切机情况下的稳定性

并联系统更加适合海上风电场经柔性直流输电并网。采用单纯形优化后的VSC-MTDC动态响应能力相对于优化改进前有了很大的提高。

Abstract

This paper builds two different models of offshore wind energy integration via VSC-MTDC

and compares the different dynamic reaction of the two different ways

and then optimizes the control parameters of the controller of VSC-MTDC adopting simplex method. The model used in emulation include: The VSC control model using a decoupled control strategy; The wind farm aggregate model and Bergeron model used in cable model. The simulation results show that it is better to use parallel connection when considering the fault in AC system and the shut-down of converter in offshore. The optimization can enhance the dynamic characters and improve the capability of keeping stability after disturbance.

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