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In the case of a capacitor-start/run single-phase induction motor, the main field is provided by the main (running) winding, and the capacitive branch is the auxiliary winding. In the case of a capacitor-start motor, the main winding is the running winding and the auxiliary winding is the starting winding.
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If a split-phase motor has two poles on the main winding how many poles are needed for the auxiliary winding?
In a split-phase motor, the auxiliary winding typically has the same number of poles as the main winding to ensure proper phase shift and operation. Therefore, if the main winding has two poles, the auxiliary winding will also require two poles. This configuration helps create the necessary starting torque by generating a phase difference between the two windings.
What is the number of turn in single phase motor?
If you really do mean the number of 'turns', then you cannot really determine this, as it is determined as a part of its design process and can vary considerably from machine to machine.If, on the other hand, you actually mean 'windings' ('coils') then, typically, there are two: the 'main winding' and the 'auxiliary winding'. The purpose of the auxiliary winding is to supply a magnetic field that is out of phase with the main winding and which then results in a rotating magnetic field necessary to start the motor and turn in in the desired direction.
What is main winding?
The main winding is the primary coil in an electric motor or transformer that generates magnetic fields and facilitates the conversion of electrical energy into mechanical energy (in motors) or vice versa (in transformers). It is typically designed to handle the main electrical load, providing the necessary inductance and resistance for the device's operation. In motors, the main winding works in conjunction with other windings, such as the auxiliary winding, to ensure efficient performance and torque generation.
What is the difference between main contactor and axualiary contactor?
The load contactor is what the motor load is usually connected to. The auxiliary contacts are usually used in the stop start remote wiring to seal the mag in. Auxiliary contacts are also used to transmit the status of the contactor to a PLC.
How the direction can change of Permanent split capacitor motor?
A single speed permanent split capacitor AC induction motor has two separate pairs of series wound stator windings arranged at right angles to each other around the central rotor. The main run winding is connected directly to the AC power source while the secondary start winding is connected to the same source with a capacitor in series with it. The capacitor causes an electrical phase shift to the power in the start winding relative to the run winding, to produce a rotating magnetic field around the rotor which can start it turning. Since the capacitor remains in the circuit while the motor is running it's called a permanent split capacitor design.
If a split-phase motor has two poles on the main winding how many poles are needed for the auxiliary winding?
In a split-phase motor, the auxiliary winding typically has the same number of poles as the main winding to ensure proper phase shift and operation. Therefore, if the main winding has two poles, the auxiliary winding will also require two poles. This configuration helps create the necessary starting torque by generating a phase difference between the two windings.
Why must the auxiliary winding be different from the main winding in a split phase motor?
To differentiate it from the main winding and to make the path of the current different.
What is the difference between main and auxiliary memory?
The major difference between main memory and auxiliary memory is that main memory is directly accessed by CPU but the auxiliary memory is not accessed by the CPU directly.For this the data is first transferred to main memory from auxiliary memory and then from main memory the data is transferred to the CPU for further processing. Answered By: Richa Singh
What is auxiliary memory give an example of auxiliary memory?
The major difference between main memory and auxiliary memory is that main memory is directly accessed by CPU but the auxiliary memory is not accessed by the CPU directly.For this the data is first transferred to main memory from auxiliary memory and then from main memory the data is transferred to the CPU for further processing. Some examples of auxiliary memory would be disks, external hard drives, USB drives, etc.
What is the difference between autotransformer and two winding transformer?
Main difference is that , that the auto_t is electrical based while the other t is based on mutual inductance.
What does a capacitor on fan motors or blowers?
It is called a 'starter capacitor" and is used to provide a phase shift on the starter winding to get the motor turning in the right direction when first turned on. Once the motor is running a switch opens the starter circuit through the capacitor and starting winding, as this is no longer needed for the main motor windings to keep the motor turning.
How the capacitor create a phase difference in single phase induction motor?
The stator consists of the main winding and a starting winding (auxiliary). The starting winding is connected in parallel with the main winding and is placed physically at right angles to it. A 90-degree electrical phase difference between the two windings is obtained by connecting the auxiliary winding in series with a capacitor and starting switch. When the motor is first energized, the starting switch is closed. This places the capacitor in series with the auxiliary winding. The capacitor is of such value that the auxiliary circuit is effectively a resistive-capacitive circuit (referred to as capacitive reactance and expressed as XC). In this circuit the current leads the line voltage by about 45° (because XC about equals R). The main winding has enough resistance-inductance (referred to as inductive reactance and expressed as XL) to cause the current to lag the line voltage by about 45° (because XL about equals R). The currents in each winding are therefore 90° out of phase - so are the magnetic fields that are generated. The effect is that the two windings act like a two-phase stator and produce the rotating field required to start the motor. When nearly full speed is obtained, a centrifugal device (the starting switch) cuts out the starting winding. The motor then runs as a plain single-phase induction motor. Since the auxiliary winding is only a light winding, the motor does not develop sufficient torque to start heavy loads. Split-phase motors, therefore, come only in small sizes. Type your answer here...
What is the number of turn in single phase motor?
If you really do mean the number of 'turns', then you cannot really determine this, as it is determined as a part of its design process and can vary considerably from machine to machine.If, on the other hand, you actually mean 'windings' ('coils') then, typically, there are two: the 'main winding' and the 'auxiliary winding'. The purpose of the auxiliary winding is to supply a magnetic field that is out of phase with the main winding and which then results in a rotating magnetic field necessary to start the motor and turn in in the desired direction.
What is the difference between 'you have not' and 'you do not have'?
The difference is that generally - but not always - in the construction "you have not" the word HAVE serves as an auxiliary, not as the main verb, whereas in the construction "you do not have" the word HAVE is always the main verb. For example You have not eaten your broccoli so you do not have a clean plate.
What is main winding?
The main winding is the primary coil in an electric motor or transformer that generates magnetic fields and facilitates the conversion of electrical energy into mechanical energy (in motors) or vice versa (in transformers). It is typically designed to handle the main electrical load, providing the necessary inductance and resistance for the device's operation. In motors, the main winding works in conjunction with other windings, such as the auxiliary winding, to ensure efficient performance and torque generation.
Lap winding and wave winding?
Both lap winding and wave winding are found in the use of DC generators. The main difference is as follows: lap winding is high current, low voltage, and wave winding is low current, high voltage.
What is the purpose of capacitor in a single phase motor?
the purpose of the capacitor is to create a phase difference between main winding current and axillary winding. this would produce a rotating constant magnetic field which is required to produce the torque.
