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a winding current which passes through a winding on a stator when the rotor rotates , whereby a torque ripple is generated in the motor(passive) caused byan armature - reaction
a charge and dischargecausingan armature reaction
the only currentspreventingthe armature reaction
the interaction of the magnetic fields from the field magnets and the armature(passive) is caused byArmature reaction
the shifting of the brushes(passive) caused bythe armature reaction
One wave travels in the same direction as the rotorto createthe armature reaction
the magnetic field that arises from armature current(passive) caused byArmature reaction
no armature fluxto causearmature reaction
inrush current , which causes the motor performance to drop sharply and may even cause the motor(passive) caused byarmature reaction
the d - axis current(passive) caused bythe armature reaction
For intermediate power factor loads i.e. between zero lagging and zeroleadingthe armature reaction
load(passive) created byarmature reaction
the inrush current , or under severe mechanical vibration(passive) caused bythe armature reaction
the current flowing through the stator coils(passive) caused bythe armature reaction
The air gap flux density(passive) caused byThe air gap flux density
these torque fluctuations(passive) caused bythese torque fluctuations
the voltage drop(passive) caused bythe voltage drop
distortion in in main field flux density distribution curvewill causedistortion in in main field flux density distribution curve
the unintentional demagnetization(passive) caused bythe unintentional demagnetization
a demagnetization force(passive) caused bya demagnetization force
a commutation position shift(passive) caused bya commutation position shift
the current commutation position(passive) caused bythe current commutation position
neutral plane to shift by some anglecausesneutral plane to shift by some angle
the demagnetizing field(passive) caused bythe demagnetizing field
the neutral plane to shift in the direction of rotationcausesthe neutral plane to shift in the direction of rotation
the poles(passive) caused bythe poles
power generation output(passive) caused bypower generation output
the counter magnetic field(passive) caused bythe counter magnetic field
said plurality of discharge lamp lighting generating coils to act on each othercausessaid plurality of discharge lamp lighting generating coils to act on each other
a further drop in terminal voltagecausesa further drop in terminal voltage
a fast lower in field flux andcausesa fast lower in field flux and
minimal distortion of the main fieldcausesminimal distortion of the main field
the displacement of main field fluxcausesthe displacement of main field flux
air - gap magnetic field(passive) caused byair - gap magnetic field
Another problem(passive) created byAnother problem
The first problem(passive) caused byThe first problem
saturation effects(passive) caused bysaturation effects
the reduction in voltage(passive) caused bythe reduction in voltage
the neutral plane , a plane parallel to armature windings with the magnetic flux , to shift in the direction of rotationcausesthe neutral plane , a plane parallel to armature windings with the magnetic flux , to shift in the direction of rotation
a net reduction in the field flux per polecausesa net reduction in the field flux per pole
a lesser field distortion for greater magnet heightcausesa lesser field distortion for greater magnet height
the flux to shift ... thus tending to saturate one pole tipcausesthe flux to shift ... thus tending to saturate one pole tip
The second major problem(passive) caused byThe second major problem
a demagnetization against the magnetic flux from said stator means at least along a portion of said pole meanscausesa demagnetization against the magnetic flux from said stator means at least along a portion of said pole means
a distortion of the distribution of the magnetic field in the air gap of the PM generatorwill causea distortion of the distribution of the magnetic field in the air gap of the PM generator
a physically spiraling effect on the generated current as it moves in a magnetic fieldcreatesa physically spiraling effect on the generated current as it moves in a magnetic field
the field distribution of alternator for 08 lagging & leading load power factorinfluencesthe field distribution of alternator for 08 lagging & leading load power factor
the neutral plane to move in the direction of rotation as the current increasescausesthe neutral plane to move in the direction of rotation as the current increases
an additional decrease in the output voltagecausesan additional decrease in the output voltage
the voltage available from the control windinginfluencesthe voltage available from the control winding
the neutral zones to shift away from the half - way point 12 Calculating the Induced Voltagewill causethe neutral zones to shift away from the half - way point 12 Calculating the Induced Voltage
the neutral plane -- Fleming 's left - hand generator rule -- Paralleling generatorsSettingthe neutral plane -- Fleming 's left - hand generator rule -- Paralleling generators
many undesirable effects on a DC machine such as sparking on brushescausesmany undesirable effects on a DC machine such as sparking on brushes
instability of speed with load variations and sparking at the brushes if they are not in the proper positionmay causeinstability of speed with load variations and sparking at the brushes if they are not in the proper position