A. initial cost is the main consideration
B. maintenance cost is to be kept low
C. higher starting torque is the main consideration
D. all above considerations are involved
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A. initial cost is the main consideration
B. maintenance cost is to be kept low
C. higher starting torque is the main consideration
D. all above considerations are involved
Additionally, squirrel cage induction motors are more sensitive to supply voltage fluctuations, and may not be suitable for applications with limited starting frequency or where the drive exceeds 1 kW.
This is due to their inability to add external resistance into the rotor circuit, which can cause mixed eccentricity fault detection. As a result, they may not be the most suitable option for applications where accurate single or multiple fault detection is necessary.