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The present paper refers to some examples that use the finite element method (FEM) in the process of analysis, design and optimization of the electrical machines used in wind energy conversion systems. The 2D-FEM program Opera 13 of Vector Fields is used in the analyzed examples. These examples refer to two types of synchronous generators with permanent magnets. Some possibilities and advantages of...
Fractional-slot concentrated windings are adopted to design a prototype of 10 kW permanent magnet synchronous generator (PMSG) with high-inductance in terms of requirements of a new wind power system based on current source converter. The generator characteristics at different operation modes are analyzed by finite element method. The simulation results show that the cogging torque is small with the...
The objective of this paper is to determine a suitable rotor structure for high-power performance for a large-scale direct-drive wind power permanent magnet synchronous generator (PMSG). The rotor structure generally uses a surface-mounted permanent magnet (SPM). Salient pole machines which use both magnet and reluctance torque are examined to obtain high-power performance in the PMSG. Four types...
The paper presents numerical and experimental results of a 1.6 KW and 3 kW wind generators with permanent magnet claw poles. A 3D model based on finite element method (FEM) considering the nonlinearity of the magnetic circuit and the movement of armatures was used to calculate the generator's characteristics at load and no-load. Experimental tests were conducted in order to validate the numerically...
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