Magnetic Gear Drive

Abstract

The mechanism used in the magnetic gear drive is where the permanent magnets transmit the motion from
one gear to another gear. Maximum efficiency is achieved by using the principle compare to other traditional gear drive.
Magnetic gear drive has huge range of future application like renewable energy, wind &marine energy, automotive
application. The engineers & designers are keen interested to use this technology in future. The magnetic gear
researchers has developed a new breed of permanent magnet machine. These magnetic geared permanent magnet
machines are fully incorporate the concept of magnetic gearing in to the permanent magnet machine, achieve low speed
high torque direct drive operation. The quantitative comparison of three viable magnetic gear permanent magnet
machines is rusty performed, so revealing their key features, merits, demerits &applications. Initially the development of
magnetic gears, including the converted topologies & end modulated topologies, is reviewed. Then the permanent
magnetic machines are indented and discussed. Consequently, the performances are analyzed & quantitatively
compared. The result & discussion form an important foundation for research in low-speed high torque direct-drive
system.