In split-phase motor auxiliary winding is of?

Question

asked Mar 20, 2018 by anonymous

44 views

Please log in or register to answer this question.

1 Answer

← Prev Question Next Question →

Related questions

asked Mar 20, 2018 by anonymous

Centrifugal switch disconnects the auxiliary winding of the motor at about what percent of synchronous speed?

Last answer: Centrifugal switch disconnects the auxiliary winding of the motor at about 70 to 80 percent of synchronous speed.

0 like 0 dislike

139 views 1 answer

asked Mar 20, 2018 by anonymous

In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to?

Last answer: In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to improve power factor.

0 like 0 dislike

420 views 1 answer

asked Mar 20, 2018 by anonymous

In a split phase motor, the running winding should have?

Last answer: In a split phase motor, the running winding should have low resistance and high inductance.

0 like 0 dislike

68 views 1 answer

asked Apr 28, 2018 by anonymous

In a split-phase induction motor, the resistance/reactance ratios of windings are such that

In a split-phase induction motor, the resistance/reactance ratios of windings are such that (A) current in the auxiliary winding leads the current in the main winding (B) current in the auxiliary winding lags the current in the main winding (C) both windings develop the same starting torque (D) both windings develop high starting current

Last answer: In a split-phase induction motor, the resistance/reactance ratios of windings are such that current in the auxiliary winding leads the current in the main winding

0 like 0 dislike

69 views 1 answer

asked Mar 20, 2018 by anonymous

In split phase motor main winding is of?

Last answer: In split phase motor main winding is of thick wire placed at the bottom of the slots.

0 like 0 dislike

49 views 1 answer

asked Mar 20, 2018 by anonymous

In a capacitor start motor, the phase displacement between starting and running winding can be nearly?

Last answer: In a capacitor start motor, the phase displacement between starting and running winding can be nearly 90°.

0 like 0 dislike

128 views 1 answer

asked Mar 20, 2018 by anonymous

The running winding of a single phase motor on testing with meggar is found to be ground...

The running winding of a single phase motor on testing with meggar is found to be ground. Most probable location of the ground will be?

Last answer: The running winding of a single phase motor on testing with meggar is found to be ground. Most probable location of the ground will be at the slot edge where coil enters or comes out of the slot.

0 like 0 dislike

84 views 1 answer

asked Mar 20, 2018 by anonymous

In A.C. series motor compensating winding is employed to?

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

0 like 0 dislike

90 views 1 answer

asked Mar 20, 2018 by anonymous

A centrifugal switch is used to disconnect starting winding when motor has?

Last answer: A centrifugal switch is used to disconnect starting winding when motor has picked up about 50 to 70 per cent of rated speed.

0 like 0 dislike

186 views 1 answer

asked Mar 20, 2018 by anonymous

The starting winding of a single-phase motor is placed in?

Last answer: The starting winding of a single-phase motor is placed in stator.

0 like 0 dislike

66 views 1 answer

asked Mar 20, 2018 by anonymous

If starting winding of a single-phase induction motor is left in the circuit, it will?

Last answer: If starting winding of a single-phase induction motor is left in the circuit, it will draw excessive current and overheat.

0 like 0 dislike

182 views 1 answer

asked Mar 20, 2018 by anonymous

Starting winding of a single phase motor of a refrigerator is disconnected from the circuit by means of a?

Last answer: Starting winding of a single phase motor of a refrigerator is disconnected from the circuit by means of a magnetic relay.

0 like 0 dislike

151 views 1 answer

asked Mar 20, 2018 by anonymous

The purpose of stator winding in the compensated repulsion motor is to?

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

0 like 0 dislike

74 views 1 answer

asked Mar 18, 2018 by anonymous

The damping winding in synchronous motor is generally used to?

Last answer: The damping winding in synchronous motor is generally used to provide starting torque and prevent hunting.

0 like 0 dislike

118 views 1 answer

asked May 8, 2018 by anonymous

Damper winding in a synchronous motor

Last answer: Damper winding in a synchronous motor Serves to start the motor.

0 like 0 dislike

58 views 1 answer

asked Mar 3, 2018 by anonymous

In synchronous motor, does the winding losses vary with load?

Last answer: No, in the synchronous motor the winding losses do not vary with load.

0 like 0 dislike

492 views 1 answer

asked May 3, 2018 by anonymous

A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance

A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is

Last answer: A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is 36 Ohm

0 like 0 dislike

169 views 1 answer

asked Mar 20, 2018 by anonymous

If the field winding of an unloaded salient pole synchronous motor is open circuited, the motor will?

Last answer: If the field winding of an unloaded salient pole synchronous motor is open circuited, the motor will stop.

0 like 0 dislike

115 views 1 answer

asked Mar 20, 2018 by anonymous

In a split phase motor?

Last answer: In a split phase motor the starting winding is connected through a centrifugal switch.

0 like 0 dislike

49 views 1 answer

asked Mar 20, 2018 by anonymous

Direction of rotation of a split phase motor can be reversed by reversing the connection of?

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

0 like 0 dislike

139 views 1 answer

asked Sep 1, 2019 by anonymous

What is the purpose of auxiliary controller in substation?

Last answer: The systems of substation auxiliaries ensure operation of substations providing internal consumers of substations with operating direct and alternating currents. Any breakdown (loss) of auxiliary systems ... whole substation, as well as serious problems during its subsequent putting into operation.

0 like 0 dislike

60 views 1 answer

asked Jul 25, 2019 by anonymous

Explain auxiliary commutation with a neat diagram. Also draw its waveform.

Last answer: Auxiliary Commutation At start, the Ta is triggered and turned on to carry the load current. Due to the resonant circuit R-L-C, the current initially rises, attains peak and then falls to ... , the firing of auxiliary SCR commutates the main SCR, hence name is auxiliary commutation.

0 like 0 dislike

107 views 1 answer

asked Mar 19, 2018 by anonymous

Which type of winding is used in 3 phase shell-type transformer ?

Last answer: Sandwich type winding is used in 3 phase shell-type transformer.

0 like 0 dislike

108 views 1 answer

asked Apr 29, 2018 by anonymous

Damper winding is provided in 3 phase synchronous motors to :

Last answer: Damper winding is provided in 3 phase synchronous motors to : provide starting torque and prevent hunting

0 like 0 dislike

69 views 1 answer

asked Sep 20, 2018 by anonymous

Split phase induction motor

Last answer: Split phase induction motor : There are two windings used in split phase induction motor. It is a type of single-phase induction motor. There are two winding one is called main winding and ... motor have low starting torque it is used for small fans, blowers, centrifugal pumps, grinders etc.

0 like 0 dislike

178 views 1 answer

asked Mar 20, 2018 by anonymous

In a shaded pole single-phase motor, the revolving field is produced by the use of?

Last answer: In a shaded pole single-phase motor, the revolving field is produced by the use of shading coils.

0 like 0 dislike

85 views 1 answer

asked Mar 20, 2018 by anonymous

In a capacitor start single-phase motor, when capacitor is replaced by a resistance?

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

0 like 0 dislike

81 views 1 answer

asked Mar 26, 2018 by anonymous

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.

0 like 0 dislike

64 views 1 answer

asked Mar 20, 2018 by anonymous

In a single phase motor the centrifugal switch?

Last answer: In a single phase motor the centrifugal switch disconnects auxiliary winding of the motor.

0 like 0 dislike

122 views 1 answer

asked Mar 20, 2018 by anonymous

The power factor of a single-phase induction motor is usually?

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

0 like 0 dislike

99 views 1 answer

asked Mar 20, 2018 by anonymous

If the capacitor of a single-phase motor is short-circuited?

Last answer: If the capacitor of a single-phase motor is short-circuited the motor will not start.

0 like 0 dislike

83 views 1 answer

asked Mar 20, 2018 by anonymous

After the starting winding of a single phase induction motor is disconnected from supply, it continues to run only on?

Last answer: Reason is kinetic energy

0 like 0 dislike

119 views 2 answers

asked Mar 20, 2018 by anonymous

A single-phase induction motor is?

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

0 like 0 dislike

49 views 1 answer

asked Mar 20, 2018 by anonymous

A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by...

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.

0 like 0 dislike

100 views 1 answer

asked Mar 20, 2018 by anonymous

The rotor developed by a single-phase motor at starting is?

Last answer: The rotor developed by a single-phase motor at starting is zero.

0 like 0 dislike

55 views 1 answer

asked Mar 20, 2018 by anonymous

In the case of lap winding resultant pitch is?

Last answer: In the case of lap winding resultant pitch is difference of front and back pitches.

0 like 0 dislike

86 views 1 answer

asked Mar 20, 2018 by anonymous

In case of D.C. machine winding, number of commutator segments is equal to?

Last answer: In case of D.C. machine winding, number of commutator segments is equal to number of armature coils.

0 like 0 dislike

251 views 1 answer

asked Mar 20, 2018 by anonymous

In lap winding, the number of brushes is always?

Last answer: In lap winding, the number of brushes is always same as the number of poles.

0 like 0 dislike

275 views 1 answer

asked Mar 20, 2018 by anonymous

The short circuit in any winding of the transformer is the result of?

Last answer: The short circuit in any winding of the transformer is the result of impulse voltage.

0 like 0 dislike

129 views 1 answer

asked Mar 20, 2018 by anonymous

In D.C. generators, lap winding is used for?

Last answer: In D.C. generators, lap winding is used for low voltage, high current.

0 like 0 dislike

60 views 1 answer

asked Mar 20, 2018 by anonymous

In D.C. machines fractional pitch winding is used?

Last answer: In D.C. machines fractional pitch winding is used to reduce the sparking.

0 like 0 dislike

301 views 1 answer

asked Mar 20, 2018 by anonymous

Single phase induction motor usually operates on?

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

0 like 0 dislike

97 views 1 answer

asked May 7, 2020 by anonymous

State advantages of short pitch winding over full pitch winding in alternators.

Last answer: Advantages of Short Pitch Winding over Full Pitch Winding in Alternators: 1) Short pitching reduces the amount of copper needed for end connection when compared with full pitched coil. 2) They ... reduced, thereby increasing the efficiency. 4) The power quality of generated emf is improved.

0 like 0 dislike

211 views 1 answer

asked May 8, 2018 by anonymous

A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts

A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? (A) 30 Volts (B) 480 Volts (C) 120 Volts (D) 60 Volts

Last answer: A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? (A) 30 Volts (B) 480 Volts (C) 120 Volts (D) 60 Volts

0 like 0 dislike

92 views 1 answer

asked May 8, 2018 by anonymous

A _________ is used to measure the stator % winding temperature of the generator.

A _________ is used to measure the stator % winding temperature of the generator. (A) Thermocouple (B) Pyrometer (C) Resistance thermometer (D) Thermometer

Last answer: A Resistance thermometer is used to measure the stator % winding temperature of the generator.

0 like 0 dislike

2.9k views 1 answer

asked Apr 29, 2018 by anonymous

Aluminium is not used as winding wire for the armature of a dc machine because

Aluminium is not used as winding wire for the armature of a dc machine because (1) aluminium has low resistivity (2) a large winding space is taken by aluminium conductors and creates jointing problems (3) the thermal conductivity of aluminium is low (4) aluminium has low conductivity as compared to copper

Last answer: Aluminium is not used as winding wire for the armature of a dc machine because (2) a large winding space is taken by aluminium conductors and creates jointing problems (3) the thermal conductivity of aluminium is low (4) aluminium has low conductivity as compared to copper

0 like 0 dislike

477 views 1 answer

asked Mar 21, 2018 by anonymous

Wave winding is composed of?

Last answer: Wave winding is composed of that even number which is exact multiple of poles + 2.

0 like 0 dislike

56 views 1 answer

asked Mar 21, 2018 by anonymous

Lap winding is composed of?

Last answer: Lap winding is composed of any even number of conductors.

0 like 0 dislike

79 views 1 answer

asked Jul 27, 2019 by anonymous

What is armature winding?

Last answer: It is the wire wound around a aluminium metal it is found commonly in transformers or motors

0 like 0 dislike

82 views 1 answer

asked Mar 20, 2018 by anonymous

In case of a shaded pole motor the direction of rotation of the motor is?

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

0 like 0 dislike

106 views 1 answer

anonymous · Answer 1 · 2018-03-20T19:13:36+0000

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

In split-phase motor auxiliary winding is of?

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

Related questions