An Improved MPPT Method of Wind Turbine Based on HCS Method by Using Fuzzy Logic System

Subject Areas : International Journal of Smart Electrical Engineering

Shahram Javadi ¹ , Mohammad Hossein Hazin ²

1 - Electrical Engineering Department, Islamic Azad University, Central Tehran Branch, Tehran, Iran,
2 - Electrical Engineering Department, Islamic Azad University, Central Tehran Branch, Tehran, Iran

Received: 2015-04-21 Accepted : 2015-04-21 Published : 2014-10-01

Keywords: Wind turbine, Maximum Power Point Tracking, hill climbing search method, fuzzy logic system,

Abstract :

In this paper presents a Maximum Power Point Tracking (MPPT) technique based on the Hill Climbing Search (HCS) method and fuzzy logic system for Wind Turbines (WTs) including of Permanent Magnet Synchronous Generator (PMSG) as generator. In the conventional HCS method the step size is constant, therefor both steady-state response and dynamic response of method cannot provide at the same time and in the fixed step size of HCS method. The propose method of this paper is improvement the performance HCS method, in order to reach this goal; the fuzzy logic system has been used. The fuzzy logic system based on operation condition determined the step size instantaneously, such as both steady-state response and dynamic response of method be proper at the same time, therefore, efficiency of the new method that used variable step size strategy, will be guaranteed, the results of simulation in environment MATLAB/Simulink software have been shown to be effectiveness of the proposed method.

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