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9.7 Three-Phase Motor Operation
9.7 Three-Phase Motor Operation
Note how the coils place carefully in the stator slots. As we see, the stator's winding comprises a collection of these slots that host the designed loops (Fig. 9.21).
Fig. 9.21 Stator with slots that house windings. Source from wikicommons under free to use license [11]
Question Where are the three phase windings? The stator of a three-phase induction motor contains the windings for the three phases. We illustrate how to connect the stator windings of an asynchronous machine in either star or delta configuration (Fig. 9.22).
Fig. 9.22 Three-phase induction motor's stator windings wiring.
Star (left), and delta (right) connection. Source: own elaboration
练习题
Where are the three-phase windings located in a three-phase induction motor?
A. In the rotor
B. In the stator
C. In the air gap
D. In the housing
What are the two possible connection configurations for the stator windings of an asynchronous machine?
A. Series and parallel
B. Star and delta
C. Wye and zigzag
D. Open and closed
What is the function of the stator slots in a three-phase induction motor?
A. To provide cooling ventilation
B. To house the windings (designed loops)
C. To reduce magnetic losses
D. To connect the rotor to the shaft
Which of the following statements about the stator of a three-phase induction motor are correct?
A. The stator contains the windings for the three phases
B. The stator slots house the designed loops that form the winding
C. The stator winding acts as the inductor
D. The stator windings can only be connected in star configuration
The stator slots in a three-phase induction motor house the designed loops that form the winding.
The three-phase windings of an induction motor are located in the rotor.
Star and delta are the two connection configurations available for connecting the stator windings of an asynchronous machine.
The stator of a three-phase induction motor contains the windings for the ___ phases.
The stator windings of an asynchronous machine can be connected in either star or ___ configuration.
Explain the role of the stator slots and describe the two possible connection configurations for the stator windings of a three-phase induction motor.
In a three-phase induction motor, the stator contains windings for the three phases. These windings are housed in slots and serve a specific function in the machine's operation. Which statement correctly describes both the location and function of these stator windings?
A. The windings are housed in stator slots and act as the inductor of the machine
B. The windings are housed in rotor slots and act as the armature of the machine
C. The windings are placed in the air gap and serve only for cooling purposes
D. The windings are located on the outer housing and provide mechanical protection
A three-phase induction motor's stator windings can be configured in different ways. Which of the following statements correctly describe characteristics of the stator windings and their configuration options?
A. The stator windings can be connected in either star or delta configuration
B. The stator windings comprise coils dispersed throughout the stator slots
C. The stator winding acts as the inductor regardless of the connection type
D. The three-phase windings are located in the rotor, not the stator
E. The stator slots are located on the inner cylindrical contour closest to the rotor
In a three-phase induction motor, the stator windings that can be connected in star or delta configuration are housed in slots and act as the inductor, while the rotor winding serves as the armature.
The stator of a three-phase induction motor contains the windings for the three phases. These windings are housed in slots and can be connected in either star or delta configuration. The stator winding acts as the ___ of the machine, while the rotor winding serves as the armature.
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