A Flywheel Energy Storage System for Fault Ride Through Support of Grid-Connected VSC HVDC-Based Offshore Wind Farms

Mohamed I. Daoud, Ahmed M. Massoud, Ayman Abdel-Khalik, Ahmed Elserougi, Shehab Ahmed

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Voltage source converter (VSC)-based high voltage DC (HVDC) transmission is considered the future of offshore power transmission. This paper aims at providing a reliable VSC-HVDC transmission system architecture between offshore wind farms and onshore grids. In this paper, a large-capacity, low-speed flywheel energy storage system (FESS) based on a squirrel cage induction machine is applied in parallel with the VSC-HVDC at the grid side converter. The FESS is dedicated for surge power (due to power flow imbalance during fault) absorption instead of being dissipated in the form of resistive losses. Since the duration of these surges is relatively small, it has been shown that the flywheel can effectively mitigate this problem. In addition to the fault ride-through support during fault conditions, the FESS is employed for power leveling functionality during normal operation. The performance parameters of the proposed approach are investigated via both simulation and experimental results. A 132-kV, 100-MW HVDC system is simulated using MATLAB/Simulink during normal and fault conditions. The proposed architecture is substantiated experimentally through a scaled down test rig with a 2-kW FESS.

Original languageEnglish
Article number7225193
Pages (from-to)1671-1680
Number of pages10
JournalIEEE Transactions on Power Systems
Volume31
Issue number3
DOIs
Publication statusPublished - 1 May 2016

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Offshore wind farms
Flywheels
Energy storage
HVDC power transmission
Electric potential
Leveling (machinery)
Power transmission
MATLAB

Keywords

  • Fault ride-through
  • flywheel energy storage system
  • HVDC
  • indirect field oriented control
  • offshore wind energy

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

A Flywheel Energy Storage System for Fault Ride Through Support of Grid-Connected VSC HVDC-Based Offshore Wind Farms. / Daoud, Mohamed I.; Massoud, Ahmed M.; Abdel-Khalik, Ayman; Elserougi, Ahmed; Ahmed, Shehab.

In: IEEE Transactions on Power Systems, Vol. 31, No. 3, 7225193, 01.05.2016, p. 1671-1680.

Research output: Contribution to journalArticle

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