## The Electric Current

The current which is represented in amperes (A) describes the electric current flowing freely by the motor at different points, considering that the starting current, also called the locked rotor current, is the current that exists when the electric motor enters the phase of operation.

The three-phase distribution relies on three simultaneous alternating sine wave voltage patterns, often lagging at 120 ° to each other. With three-phase operation, a higher power range and simplicity of operation is permissible since three-phase power is generally applied to industrial or high-power electric motors.

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The starting current is usually greater than the nominal load current. This nominal load current has the function of indicating the current consumption of the motor at its maximum rated power. The single-phase distribution refers to an alternating sine-wave voltage distribution at 110V and is widely used in smaller homes. The biphasic distribution refers to a distribution in two sinusoidal voltage patterns, with 110V each, deviating from each other by 120º, in this way, very applied for commercial and residential energy.