Archive > 2010 > December 2010 > A Present State and Future Vision of Motor Drive Technology

A Present State and Future Vision of Motor Drive Technology - December 2010

Mahesh Swamy and Tsuneo Kume

The article "A Present State and Future Vision of Motor Drive Technology" appeared in the December 2010 issue of Power Transmission Engineering.

Summary
One of the driving forces behind the industrial revolution was the invention—more than a century ago—of the electric motor. Its widespread use for all kinds of mechanical motion has made life simpler and has ultimately aided the advancement of humankind. And the advent of the inverter that facilitated speed and torque control of AC motors has propelled the use of electric motors to new realms that were inconceivable just a mere 30 years ago. Advances in power semiconductors—along with digital controls—have enabled realization of motor drives that are robust and can control position and speed to a high degree of precision. The use of AC motor drives has also resulted in energy savings and improved system efficiency. This paper reviews the development and application of inverter technology to AC motor drives and presents a vision for motor drive technology.

Keywords
motors, motor drives, AC motors, motor design

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