Motors and Drives Archive
The case for switched reluctance motors
Technological advances let switched reluctance motor-drive systems be significantly more efficient than comparable induction motors....
No end in sight for motor efficiency gains
Many engineers look at NEMA Premium grade as the gold standard for induction motor efficiency. But technical innovations now make possible even more power-miserly designs....
Next hot technology: EV motors
General Motors is developing novel technology for motors in EVs....
The energy equation of variable speed drives
It is interesting to look at figures from the Energy Information Administration about where energy gets consumed in our economy. These figures reveal...
Turmoil in electric vehicle motors
Predictions are that the dominance of the EV space by brushless dc motors is about to change....
Sticking with traditional motors a smart move for electric vehicles
Sticking with traditional motors a smart move for electric vehicles...
Make way for another hub-motor EV
A Japanese consortium has developed a concept with in-wheel motors....
Motors, efficiency, and adjustable-speed drives
Though adjustable-speed drives are often promoted as energy efficient technology, they can hurt the efficiency of the motors they power....
More juice for the electric vehicle market
Automakers aren't the only ones working on technologies for electric vehicles...
The Chevy Volt: A big step in the right direction
Whether you call it a series hybrid, an electric vehicle, a plug-in, or just a plain old sedan, the Volt’s powertrain embodies creative engineering that lowers mpg...
Super-light electric drive for motorcycles cou
Remy Electric Motors, LLC will work with MotoCzysz LLC to bring a revolutionary, new-generation electric drive system to market....
How to build a low-loss stepper motor
Stepper motors are well known for their ability to perform accurate positioning in an open-loop mode. But they have a reputation for generating a lot...
Scientists find strongest magnet yet; Could Fe16N2 PM motors be next?
Fe16N2 crystals are more magnetic than the most magnetic material previously known....
Electric motor efficiency in China
If you think motor efficiency standards aren't widely appreciated in the U.S., you ought to look at China. ...
