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Renewable energy technologies have recently attracted great attentions. Several renewable energies such as wind, solar, etc. are now being investigated to solve the current energy crisis. In this paper, a novel control strategy for variable speed wind turbine to extract the maximum power from wind is proposed without knowing any of the system parameters and the aerodynamics. Lyapunov stability analysis...
The Low Voltage Ride Through (LVRT) technology with low-speed direct-drive Permanent Magnet Synchronous Generator (PMSG) is studied in this paper. Based on the system structure and its controller options, a class of LVRT control strategies are proposed in terms of energy flow, which can make sufficient use of power characteristics of wind turbine and the large moment inertia of the system to achieve...
This paper investigates the generation capabilities of a switched reluctance machine for possible wind power generation applications. The long-term goal is to conduct Power Hardware-in-the-loop (PHIL) simulation using a dSpace-controlled 1kW switched reluctance generator (SRG) available in the lab. In the proposed PHIL simulations, the SRG is controlled to output a constant DC output voltage, which...
This paper analyses the behaviour of a full-converter wind generation system with a back-to-back conversion structure using Neutral Point Clamped (NPC) converters during network faults. A Permanent Magnet Synchronous Generator (PMSG) is used as the generator. The main problems of this structure during voltage sags are firstly, the accumulation of power in the DC-link due to the reduction of power...
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