Please Log in or Register for more.


116 views

1 Answer

Answer :

In repulsion motor direction of rotation of motor is the same as that of brush shift.

Like 0 like

Please log in or register to answer this question.

Related Questions



Last Answer : In case of a shaded pole motor the direction of rotation of the motor is from main pole to shaded pole.

Show More

338 views 1 answer








Last Answer : Direction of rotation of a split phase motor can be reversed by reversing the connection of either running winding or starting winding.

Show More

357 views 1 answer








Last Answer : The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole.

Show More

230 views 1 answer







The direction of rotation of an inverter fed 3-phase ac motor is reversed by (A) a mechanical reversing switch (B) reversing the input dc link voltage (C) operating the inverter as a rectifier (D) changing the sequence of switching
Last Answer : The direction of rotation of an inverter fed 3-phase ac motor is reversed by changing the sequence of switching

Show More

153 views 1 answer








Last Answer : The direction of rotation of a D.C. series motor can be changed by interchanging field terminals.

Show More

185 views 1 answer








Last Answer : The direction of rotation of universal motor can be reversed the by reversing the flow of current through either armature winding or field winding.

Show More

249 views 1 answer







How can we reverse the direction of rotation of synchronous motor?
Last Answer : By reversing supply phase sequence we can reverse the direction of rotation of synchronous motor.

Show More

305 views 1 answer








Last Answer : The repulsion-start induction-run motor is used because of high starting torque.

Show More

89 views 1 answer







In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as  (1) synchronous motor (2) synchronous generator (3) asynchronous motor (4) asynchronous generator
Last Answer : In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as synchronous generator 

Show More

602 views 1 answer








Last Answer : A repulsion motor is equipped with commutator.

Show More

123 views 1 answer








Last Answer : In repulsion motor, zero torque is developed when brush axis coincides with the field axis and brush axis is 90° electrical to field axis.

Show More

97 views 1 answer








Last Answer : The purpose of stator winding in the compensated repulsion motor is to improve power factor and provide better speed regulation.

Show More

110 views 1 answer








Last Answer : Speed torque characteristic of a repulsion induction motor is similar to that of a D.C. compound motor.

Show More

164 views 1 answer








Last Answer : In repulsion motor, maximum torque is developed when brush axis is at 45° electrical to the field axis.

Show More

116 views 1 answer








Last Answer : To reverse the direction of rotation of a capacitor start motor while it is running we should disconnect motor from the supply till it stops then reconnect it to supply with reversed connection of main or auxiliary winding.

Show More

131 views 1 answer







how can we reverse the direction of rotation of three phase induction motor ?
Last Answer : The direction of rotation of three phase induction motor can be reversed by plugging i.e by changing any two out of three phases of the supply to the stator of the Induction motor terminal.

Show More

137 views 1 answer







In a single-phase induction motor, the operating direction is determined by the ________ A) Rotor B) Stator C) Starting circuit D) None of these
Last Answer : In a single-phase induction motor, the operating direction is determined by the Starting circuit

Show More

128 views 1 answer







Why: moons orbit rate = moons rotation rate?
Last Answer : answer:Google: lunar synchronous rotation Google: lunar libration Simple or complicated explanations available. We see glimpses of more than 50% of the lunar surface, due to its elliptical orbit and its slight tilt to the earth’s orbit around sun (ecliptic.)

Show More

1 view 1 answer







Two non-collinear parallel equal forces acting in opposite direction?
Last Answer : Two non-collinear parallel equal forces acting in opposite direction constitute a couple.

Show More

462 views 1 answer







What is the direction of flow when charging a capacitor?

Show More

74 views 0 answers







How does AC current change direction?
Last Answer : This  is  because  the  angle  at  which  the   magnetic  fields  cuts  across  a  winding  changes  its  poles  thus  current  has  to  change  dirention  .

Show More

92 views 1 answer







What is the direction of the induced electric field?
Last Answer : It  is  in  opposite  direction   to  the  one  that   produced  it.

Show More

78 views 1 answer







What happens when you reverse the direction of the current in an electromagnet?
Last Answer : When  you  reverse  current  direction  in  an  electromagnet,  the magnetic  poles  will  also  change.

Show More

172 views 1 answer







What is the direction of an AC current?
Last Answer : The magnitude and direction of alternating current is changes with respect to time. So for half cycle it is positive and for next half cycle it is negative.

Show More

2.6k views 2 answers







What is the direction of the induced current?

Show More

81 views 0 answers







What is the direction of the electric field?
Last Answer : Electric   field    is  at   right angle   widh  flow  of  current  (right  hand   rule).

Show More

127 views 1 answer







What is the direction of flow of current?
Last Answer : Current  flows  from  anode  to  cathode(opposite  direction  to  flow of  electrons)

Show More

95 views 1 answer







What is the direction of the flow of electrons?
Last Answer : Electrons  flow    cathode   to   anode  or  in   an  oposite  direction  of   convection  current  flow  or  holes.

Show More

110 views 1 answer







What is the direction of the conventional current flow?
Last Answer : The conventional current flow in opposite direction of flow of electrons. The electrons flow from negative terminal of battery to positive terminal of battery. And conventional current flow from positive terminal of battery to negative terminal of battery.

Show More

101 views 1 answer







What is the direction of flow of electric current in an electric circuit?
Last Answer : It  flows  from  anode  to  cathode  (direction  of   holes  flow)

Show More

171 views 1 answer







why current flows in opposite direction of electrons?
Last Answer : Hi team, the current flow is nothing but flow of electrons But the conventional direction I'd opposite to actual current flow . ..

Show More

116 views 1 answer








Last Answer : Yes DIAC can conduct in both direction.

Show More

69 views 1 answer







The number of poles in a phase induction motor at 50 Hz and running at 1500 rpm will be?
Last Answer : The number of poles in a phase induction motor at 50 Hz and running at 1500 rpm will be 4.

Show More

143 views 1 answer








Last Answer : When a D.C. series motor is connected to A.C. supply, the power factor will be low because of high inductance of field and armature circuits.

Show More

119 views 1 answer








Last Answer : The speed of a universal motor is generally reduced by using gear trains.

Show More

96 views 1 answer








Last Answer : The wattage of motor for driving domestic sewing machine will be around 100 to 150 W.

Show More

103 views 1 answer








Last Answer : The wattage rating for a ceiling fan motor will be in the range 50 to 150 W .

Show More

177 views 1 answer








Last Answer : In A.C. series motor compensating winding is employed to reduce sparking at the brushes.

Show More

145 views 1 answer








Last Answer : In a two value capacitor motor, the capacitor used for running purposes is paper spaced oil filled type.

Show More

162 views 1 answer








Last Answer : In split-phase motor auxiliary winding is of thin wire placed at the top of the slots.

Show More

72 views 1 answer








Last Answer : Single phase induction motor usually operates on 0.6 power factor lagging.

Show More

126 views 1 answer








Last Answer : A universal motor can run on either A.C. or D.C.

Show More

70 views 1 answer








Last Answer : A schrage motor can run on zero slip, negative slip, positive slip.

Show More

67 views 1 answer








Last Answer : A single-phase induction motor is inherently non-self-starting with low torque.

Show More

73 views 1 answer








Last Answer : The motor used on small lathes is usually single-phase capacitor run motor.

Show More

146 views 1 answer








Last Answer : A hysteresis motor works on the principle of hysteresis loss.

Show More

121 views 1 answer








Last Answer : A shaded pole motor can be used for toys, hair dryers, circulators etc.

Show More

103 views 1 answer








Last Answer : The power factor of a single-phase induction motor is usually lagging.

Show More

189 views 1 answer








Last Answer : In a capacitor start single-phase motor, when capacitor is replaced by a resistance motor will continue to run in same direction.

Show More

223 views 1 answer







A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will?
Last Answer : A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will not start at all.

Show More

231 views 1 answer






Show More⇦ PreviousNext ⇨