In terms of motor operation, what does a proper phase sequence ensure?

A proper phase sequence is crucial for the correct operation of three-phase motors. When the phase sequence is correct, it ensures that the rotating magnetic field generated by the motor stator rotates in the intended direction, which directly impacts torque production and directional control. This alignment allows the motor to start, operate efficiently, and provide the desired output without any undue stress or inefficiencies.

If the phase sequence were incorrect, the motor could run in the opposite direction, leading to operational failures and potential damage to equipment. Therefore, understanding and maintaining the correct phase sequence is essential for optimal performance and reliability of three-phase motor systems.