Multi-source Communication-less Coordinated Frequency Support of DRU-HVDC-based Offshore Wind Power Integration Systems

Yanqiu Jin; Zheren Zhang; Feng Xu; Gang Li; Zheng Xu

doi:10.17775/CSEEJPES.2024.09210

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Multi-source Communication-less Coordinated Frequency Support of DRU-HVDC-based Offshore Wind Power Integration Systems

Regular Papers | 更新时间：2026-03-25

- Multi-source Communication-less Coordinated Frequency Support of DRU-HVDC-based Offshore Wind Power Integration Systems
- CSEE Journal of Power and Energy Systems Vol. 12, Issue 1, Pages: 175-186(2026)
- 作者机构：
  
  1. Department of Electrical Engineering, Zhejiang University,Hangzhou,China
  2. State Grid Zhejiang Electric Power Research Institute,Hangzhou,China
  3. State Grid Electric Power Research Institute Co., Ltd. and NARI RELAYS Electric Co., Ltd.,Nanjing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2024.09210
  CLC：
- Published：2026
- 稿件说明：
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Yanqiu Jin, Zheren Zhang, Feng Xu, et al. Multi-source Communication-less Coordinated Frequency Support of DRU-HVDC-based Offshore Wind Power Integration Systems[J]. CSEE Journal of Power and Energy Systems, 2026, 12(1): 175-186.
DOI：

Yanqiu Jin, Zheren Zhang, Feng Xu, et al. Multi-source Communication-less Coordinated Frequency Support of DRU-HVDC-based Offshore Wind Power Integration Systems[J]. CSEE Journal of Power and Energy Systems, 2026, 12(1): 175-186. DOI： 10.17775/CSEEJPES.2024.09210.

摘要

Abstract

This paper presents a frequency support strategy for the diode rectifier unit (DRU)-high-voltage direct current (HVDC)-based offshore wind power integration system

which coordinates multiple power sources without communication to reduce receiving grid frequency fluctuations. First

based on the deduced DRU's frequency transfer characteristic

a fine-designed ripple carrying frequency information is superimposed on the HVDC link

transferring the onshore frequency to offshore wind turbines (WTs) via the DC ripple and coupled AC harmonic without communication. Second

multiple power sources are utilized for frequency support

including HVDC capacitance and grid-forming WTs combined with energy storage systems

and appropriate sources are activated in the order specified by the designed thresholds. Finally

the effectiveness of the proposed frequency support strategy is verified by simulations in PSCAD/EMTDC.

关键词

Keywords

references

1. GWEC. (2022). Global offshore wind report 2022. [Online ] . Available: https://www.gwec.net/reports/globaloffshorewindreport/2022

12. A. G. Siemens. ( 2015, Oct. ). Siemens revolutionizes grid connection for offshore wind power plants . [Online ] . Available: https://www.3blmedia.com/news/siemens-revolutionizes-grid-connection-offshore-wind-power-plants.R.Li,.

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