Original scientific paper

https://doi.org/10.17559/TV-20140708055807

Fuzzy logic system for frequency stability analysis of wind farm integrated power systems

Wang Jiang ; State Key Laboratory of Power Transmission Equipment & System Security and New Technology, College of Electrical Engineering, Chongqing University, Chongqing, China
Jiping Lu ; State Key Laboratory of Power Transmission Equipment & System Security and New Technology, College of Electrical Engineering, Chongqing University, Chongqing, China

Abstract

This paper introduces a fuzzy logic system to analyse the frequency response of wind farms composed of variable speed wind turbine generators (WTGs). WTGs can provide frequency support by using their energy reserves. However, the frequency response of an individual WTG is different from that of other WTGs because of their respective actual wind speeds. The frequency response model based on the direct-current load flow is investigated and used to amend the membership functions of the logic system. When a network disturbance occurs, the fuzzy logic system can determine the frequency response of the wind farm according to real-time input variables. The simulation results indicate that the designed system is effective and can contribute to frequency stability analysis.

Keywords

frequency stability; fuzzy logic; wind power integration

Hrčak ID:

147288

URI

https://hrcak.srce.hr/147288

Publication date:

22.10.2015.

Article data in other languages: croatian

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