magnetomotive force

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mag·ne·to·mo·tive force

(măg-nē′tō-mō′tĭv)

n. Abbr. mmf

The work that would be required to carry a hypothetical isolated magnetic pole of unit strength completely around a magnetic circuit.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

magnetomotive force

(General Physics) the agency producing a magnetic flux, considered analogous to the electromotive force in an electric circuit; equal to the circular integral of the magnetic field strength. Symbol: F

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

mag•ne′to•mo′tive force′

(mægˈni təˈmoʊ tɪv, -ˌni-)

n.

a scalar quantity that is a measure of the sources of magnetic flux in a magnetic circuit.

[1883]

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Noun

magnetomotive force - the force that produces magnetic flux

force - (physics) the influence that produces a change in a physical quantity; "force equals mass times acceleration"

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References in periodicals archive ?

(vii) The magnetomotive force created by each phase of the two frames is sinusoidal distribution.

Behavior of a Dual Stator Induction Machine Fed by Neutral Point Clamped Multilevel Inverter

Variation of magnetomotive force in the half-core window area

Flyback tipo transformatoriaus sklaidos srauto mainimo tyrimas

Magnetomotive force (MMF) distribution in the air gap produced by a current [i.sub.a] flowing in any coil a (stator or rotor windings) is as follows:

Modified model of squirrel cage induction machine under general rotor misalignment fault

For this case, 260 Amp-turns constitute the coil magnetomotive force. The simulation results are shown in Figure 3, which is a cross-section of the B-field strength in the plane of the gap.

Magnetic guiding of a moving ferromagnetic sphere

Where, [N.sub.f] and [N.sub.s] are effective turns of the field windings and the stator windings, respectively; [F.sub.f] is the magnetomotive force; R is the reluctance of the flux line direction and M is the mutual induction between rotor and stator windings [16].

Electromechanical active filter as a novel custom power device

Despite the differences of poles number, slots number, and the coiling form of the 3-phase AC motor, the physical model of stator can be described as in Figure 1 for the symmetry of the magnetic circuit and the magnetomotive force (MMF) generated by powered winding.

Discrete current control strategy of permanent magnet synchronous motors

The fundamental harmonic of magnetomotive force (mmf) created by each rotor bar is:

Determination of defect in rotor of induction machine by spectral analysis of stator phase current

and the calculated magnetomotive force of permanent magnets by rated temperature

Low-speed permanent-magnet synchronous generator for small-scale wind power applications

The value of the magnetomotive force (MMF) [F.sub.[delta]] of the stator winding, which causes the value of magnetic induction in the air gap depends on the value of the stator current I flowing through the N turns of the coils of the stator winding.

Research of dynamic parameters of the electric drive on the basis of rolling rotor motor

The leakage inductance is proportional to magnetomotive force between the windings that acts in air gap of core [5] (Fig.