Stability Analysis of a Hybrid Multi-Infeed HVdc System Connected Between Two Offshore Wind Farms and Two Power Grids

Li Wang, Zhi Hao Yang, Xiu Yu Lu, Anton V. Prokhorov

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper presents the stability simulation results of two equivalent aggregated offshore wind farms (OWFs) based on doubly-fed induction generator fed to two power grids through a hybrid multi-infeed high voltage dc (HVdc) system. The hybrid multi-infeed HVdc system consists of a line-commutated converter (LCC)-based HVdc link and a voltage-source converter-based HVdc link. A static synchronous compensator (STATCOM) is connected at the rectifier station of the LCC-based HVdc link. A unified approach using a pole-assignment approach based on a modal control theory is employed to design the damping controllers for the two HVdc links, respectively. Steady-state results under different wind speeds of the two OWFs are carried out. Comparative dynamic responses of the studied system with and without the designed damping controllers for the two HVdc links under wind-speed changes are also achieved. Comparative transient simulations of the studied system with and without the STATCOM subject to a three-phase fault are also performed.

Original languageEnglish
Article number7862271
Pages (from-to)1824-1833
Number of pages10
JournalIEEE Transactions on Industry Applications
Volume53
Issue number3
DOIs
Publication statusPublished - 1 May 2017

Fingerprint

Offshore wind farms
Electric potential
Damping
Controllers
Asynchronous generators
Control theory
Dynamic response
Poles

Keywords

  • Damping controller
  • hybrid multi-infeed HVdc system
  • offshore wind farm (OWF)
  • simulations
  • stability
  • static synchronous compensator (STATCOM)

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Stability Analysis of a Hybrid Multi-Infeed HVdc System Connected Between Two Offshore Wind Farms and Two Power Grids. / Wang, Li; Yang, Zhi Hao; Lu, Xiu Yu; Prokhorov, Anton V.

In: IEEE Transactions on Industry Applications, Vol. 53, No. 3, 7862271, 01.05.2017, p. 1824-1833.

Research output: Contribution to journalArticle

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