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With the growing of electrical energy demand, wind energy gains higher potential and plays a vital role in energy sectors. Direct driven permanent magnet synchronous generator (PMSG) with a full size back-to-back converter set is one of the promising technologies employed with wind power generation. This paper focuses on developing a control scheme of PMSG-based wind turbines to obtain maximum wind...
In this paper, a new control strategy is proposed to improve the performance of a wind generator system composed of a three-phase PMSG and a Back-to-Back three-phase to single phase converter. With the use of the large inductance of the synchronous generator, the control method minimizes the generator torque ripple when the system supplies a single-phase load. The problem arises from the fact that...
This paper presents a novel Adaptive Network-Based Fuzzy Inference System(ANFIS) for the optimal control of permanent magnet synchronous generator (PMSG) to extract maximum power without the need of speed & position sensors or any complex estimating algorithm. The control algorithm determines the optimal value of torque controlling current component as a function of change in output power. The...
The wind power varies mainly depending on the wind speed. Many methods have been proposed to track the maximum power point (MPPT) of the wind, such as the fuzzy logic (FL), artificial neural network (ANN) and Neuro-Fuzzy. In this paper, a variable speed wind generator MPPT based on artificial neural network (ANN) is presented. It is designed as a combination of the generator speed forecasting model...
This paper presents a novel control strategy for variable speed permanent magnet synchronous generator (PMSG) based wind-battery hybrid system in an isolated network. The proposed strategy comprises of chopper based speed control of generator for maximum power point tracking (MPPT) under varying wind conditions. A buck-boost converter is used to maintain constant DC-Link voltage and to interface an...
This paper presents a novel control strategy for the operation of a direct drive permanent magnet synchronous generator (PMSG) based stand alone variable speed wind turbine. The control strategy for the generator side converter with maximum power extraction is discussed. The stand alone control is featured with output voltage and frequency controller capable of handling variable load. The potential...
A new frequency regulation scheme is developed for the wind turbine/generator/converter trio that will provide the capability to participate in restoring frequency in a way similar to the droop response of conventional generators. Output active power adjustment can be realized by both converter and pitch angle control in addition to inertial response of the wind turbine. This helps in maintaining...
Permanent magnet synchronous generation (PMSG) has been more and more used in the wind power generation system due to its advantage of simpler structure, higher generation efficiency and more reliable operation. However, the behavior of wind power system during grid disturbances becomes more important with an increasing amount of wind energy installed. Nowadays the grid code demands that the wind...
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