Frequency Stability Enhancement of Integrated AC/VSC-MTDC Systems with Massive Infeed of Offshore Wind Generation

Yunfeng Wen, Junpeng Zhan, C. Y. Chung, Wenyuan Li

Research output: Journal article publicationJournal articleAcademic researchpeer-review

50 Citations (Scopus)

Abstract

This paper investigates how the operation of the onshore AC grid and the offshore voltage source converter-based multiterminal dc (VSC-MTDC) grid can be cooptimized within the unit commitment (UC) framework to enhance system frequency stability following various contingencies. Frequency dynamic constraints corresponding to three typical types of outages (i.e., loss of a synchronous unit, loss of a grid-side VSC, and loss of a wind farm-side VSC) are established. A novel frequency dynamics constrained UC for integrated AC/VSC-MTDC systems is then proposed. Case studies on three integrated AC/VSC-MTDC systems demonstrate that major frequency disturbances caused by credible contingencies occurring in either the AC grid or VSC-MTDC grid can be effectively stabilized by the proposed approach.

Original languageEnglish
Article number8255646
Pages (from-to)5135-5146
Number of pages12
JournalIEEE Transactions on Power Systems
Volume33
Issue number5
DOIs
Publication statusPublished - Sept 2018
Externally publishedYes

Keywords

  • DC grids
  • frequency stability
  • inertia
  • multi-terminal
  • Offshore wind
  • primary reserve
  • unit commitment
  • VSC

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Fingerprint

Dive into the research topics of 'Frequency Stability Enhancement of Integrated AC/VSC-MTDC Systems with Massive Infeed of Offshore Wind Generation'. Together they form a unique fingerprint.

Cite this