back electromotive force


Also found in: Acronyms.

back electromotive force

[′bak i¦lek·trō¦mōd·iv ′fȯrs]
(electromagnetism)
References in periodicals archive ?
A growing number of applications, however, are now eliminating the sensor through one of several methods, such as back electromotive force (EMF) or inductance measurement.
Patent #8358093B2 - Sample and hold time stamp for sensing zero crossing of a back electromotive force in 3-phase brushless DC motors.
This generates a back electromotive force (voltage) to oppose the change in current, which creates a transient.