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The range of the ratio of the total cross-section of rotor bars to the total stator copper section for the main winding in copper-based induction motors typically varies. A common range for this ratio is from 0.2 to 0.6. However, it should be noted that the optimal ratio depends on specific motor designs, applications, and performance requirements, including factors such as efficiency, torque, and power factor. Manufacturers design these components with a balance between cost, performance, and durability in mind, leading to variations in the specific ratios used.
Answer: c
Explanation: The minimum value of range of the ratio of the total cross section of rotor
bars to the total stator copper section for main winding is 0.5. The maximum value range
of the ratio of the total cross section of rotor bars to the total stator copper section for
main winding is 0.8
Answer: c
Explanation: The minimum value of range of the ratio of the total cross section of rotor bars to the total stator copper section for main winding is 0.5. The maximum value range of the ratio of the total cross section of rotor bars to the total stator copper section for main winding is 0.8