What effect does changing the rotation of a three phase bank have on connected equipment?

Changing the rotation of a three-phase bank directly affects the direction of the magnetic field produced by the motor or any connected equipment. In three-phase systems, the sequence of the phases determines the rotational direction of the electromagnetic field. When the rotation is reversed, the connected equipment, such as motors, will rotate in the opposite direction. This is crucial in applications where the direction of movement is important, such as in fans, pumps, or conveyors.

Thus, if the rotation of the three-phase bank is altered, the result is a change in the rotational direction of the equipment powered by that bank, leading to significant changes in operation and functionality. In contrast, options concerning voltage changes, overheating issues, or re-calibration needs do not directly result from simply reversing the phase rotation.