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Owing to employing the magnetic gearing effect, linear magnetic-field modulated (LMFM) motors incorporate the merits of high thrust force and low cost resulting from the simple stator structure [1].
To weaken the additional torque and noise caused by slot harmonics field, squirrel cage asynchronous motor with skewed rotor bars are widely used in small and medium cage induction motors. However, with skewed rotor, the distribution of the fundamental fields along the axial direction is non-uniformly, which may cause greater core saturation and higher iron losses [1]. Furthermore, the inter-bar or...
This paper deals with the multi-objective optimization of a transverse flux machine with claw-pole and flux-concentrating structure (CPTFM), which is especially suitable for low-speed and high-torque applications due to its high pole pair number. Compared with conventional radial flux machine, the main flux path in CPTFM is three dimensional and transverse to the rotation of the rotor. For this reason,...
In this paper Gulf of Mexico wind conditions are analyzed to distinguish suitable regions for wind farm development. A turbine merit rating parameter is introduced to evaluate the combined effects of rotor size, turbine rating and economical boundary conditions. An analytical approach is then taken to match local site conditions with a suitable wind turbine rating and rotor size configuration. Hurricane...
A statistical approach is proposed in the assessment of voltage quality of network interconnected to a wind-farm. Random wind speed and uncertainty in the network status contribute toward the stochastic nature of the voltage quality. The analysis takes into consideration the reactive power capability of wind turbine generators (WTG). Judicious application of the reactive power control is shown to...
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