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Recently, magnetic gearboxes (MGBs) are serious contenders to their conventional mechanical counterparts in terms of reduced maintenance requirements, improved reliability, tolerance to mechanical inaccuracies, and inherent overload protection. MGBs are preferably employed in high speed applications and compact harsh environments. One of the challenging design aspects of MGBs is the proper selection...
Recently, magnetic gearboxes (MGBs) are attracting more followers as they offer great benefits over conventional mechanical gearboxes including contactless operation, lower noise, lower vibration, and they are maintenance-free. Improving MGBs performance is one of the popular topics under research. Axial MGB is one of the magnetic gear topologies that is suitable for applications which require a physical...
Mechanical gearboxes are typically employed with doubly-fed induction generator based wind turbines to convert the turbine's low speed mechanical power into high-speed mechanical power to drive the electrical generator. The main drawback of this solution is the gearbox's reliability and maintenance. Direct-drive wind turbines, on the other hand, employ a large volume and weight permanent magnet generator...
This paper presents the design, analysis, and realization of a magnetic planetary gearbox used in a compact harsh environment typical of oil well logging tools. Such tools are subjected to temperatures in excess of 175°C as well as severe shock and vibration. The tools are typically oil filled, and include fine pitched oil filters to prevent clogging of the fluid communication lines. Mechanical gear...
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