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Permanent Magnet Synchronous Generators (PMSGs) are increasingly considered for large, direct-drive Mega-Watt level wind energy conversion systems. Highefficiency, high-power density, low maintenance, and high reliability are some cited benefits of PMSGs making them attractive for onshore and offshore wind farms. However, as the PMSG's power level increases so would its weight and size. This research...
Permanent Magnet Synchronous Generators (PMSGs) are increasingly considered for large, direct-drive MW level wind energy conversion systems. High-efficiency, high-power density, low maintenance, and high reliability are some cited benefits of PMSGs making them attractive for onshore and offshore wind systems. However, as the PMSG's power level increases so would its weight and size. This research...
Wind turbines with higher power ratings are desired to reduce construction and maintenance time and increase energy yield. However, the high capital expenditure (CAPEX) at the start of the project presents a hurdle for such technology especially for gearless permanent magnet synchronous generators (PMSGs). This paper addresses research questions associated with the method by which the energy per cost...
This paper presents the use of particle swarm optimization (PSO) in the design of direct-drive permanent magnet synchronous generators (PMSGs) for mega-watt (MW) level wind turbines. The generator design requirements and constraints are outlined and the PSO is described along with the variations that can be applied depending on the design priorities. Optimization results are presented and compared...
This paper presents the first stage in investigating the effect of using Halbach array in MW level permanent magnet synchronous generators (PMSGs) for wind turbine applications. A section of a typical PMSG is modeled in finite element analysis. The model is simplified and considered linear instead of cylindrical for initial investigation. The linearization provides flexibility in adjusting the design...
This paper reports on the use of a Halbach array in megawatt level permanent magnet synchronous generators (PMSGs) for wind turbine applications. Conclusions derived from the machine's linear approximation are applied here on the cylindrical PMSGs. An analytical model is used to model the machine's performance when a Halbach and a conventional array are considered. The Halbach array displayed superior...
Wind turbines with higher power ratings are desired to reduce construction and maintenance time and increase energy yields. Wind turbines with low energy yield and high capital cost present a setback that needs to be overcome. This paper addresses research questions associated with the method by which the energy per cost is calculated. It aims at presenting more accurate calculations based on a combination...
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