Examples of 'back emf' in a sentence
Meaning of "back emf"
Back EMF: short for Back Electromotive Force, it is an electrical phenomenon that occurs when a coil or conductor experiences a change in magnetic flux. It generates a voltage or electromotive force that opposes the original change and occurs in various electrical systems and devices
How to use "back emf" in a sentence
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back emf
Voltage term of the estimated back emf.
A back emf appears in a motor after it has been turned on, though not immediately.
Each state is decoded by the back emf decoder circuit.
From the estimated back emf the controller produces an estimated rotor flux Vq, Vd,.
High starting current in the absence of back Emf.
Called a back emf.
The machine 's internal back emf not matching the amplitude of the controller feedforward term, Vbemf.
Indicated at 106 is the current controller back emf vector applied to the q axis.
The measurement of the back emf is performed during “ off ” periods of the PWM.
Detecting an harmonic component of back emf induced in the phases of the motor ;.
The machine 's internal back emf does not lie entirely on the q axis.
However, estimation of the machine back emf may be performed in any suitable way.
A conventional example in which the back emf detectable region a27 is small is shown in Fig.
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