International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2569

Full Length Research Paper

Anti-islanding protection based on voltage and frequency analysis in wind turbines units

Behrooz Sobhani* and Noradin Ghadimi
Department of Electrical Engineering, Ardabil Branch, Islamic Azad University, Ardabil, Iran
Email: [email protected]

  •  Accepted: 19 June 2013
  •  Published: 23 July 2013


This paper introduces a new islanding detection algorithm method based on voltage and frequency analysis for wind turbines as distributed resource units at the distribution voltage level. The proposed method is based on processing of the rate of change of q-axis component of voltage and accelerates of change of frequency. This method detects the islanding conditions with the analysis of these signals. The studies reported in this paper are based on time-domain simulations using MATLAB, and the feasibility of the proposed method is evaluated with an experimental system. The experimental system parameters are the same as those of the simulated system. The results show that the proposed islanding detection method succeeds in detecting islanding both in the experimental and simulated systems.


Key words: Islanding protection, wind turbine simulator, distributed generation, accelerates of change of frequency (ACOF)-ROCOQA- dq-component.