A motor control system capable of controlling turning-on and turning-off of a plurality of motor windings, the motor control system comprising: an electric motor comprising: a stator including an iron core with a plurality of slots formed therein along a radial direction of the stator; a rotor surrounded by the stator; and a winding structure having a plurality of hairpin wires with pins disposed in the slots, the hairpin wires forming a plurality of layers of conduction-wire (A, B, C, D, E, to F), wherein the winding structure is configured to provide a plurality of phase windings (41, 42, to 43) and each phase winding includes a plurality of motor windings (5, 6, to 7); and an inverter connected to the motor windings (5, 6, to 7), the inverter including a switching controller configured to control the turning-on and turning-off of the motor windings (5, 6, to 7) of each phase winding (41, 42, to 43) of the winding structure, wherein when the electric motor operates in a high-speed mode, the switching controller controls the turning-on and turning-off of the motor windings (5, 6, to 7) of each phase winding (41, 42, to 43) such that a number of the phase windings (5 to 7) turned-on is 1/3 less than a number of all the phase windings (41, 42, to 43), wherein the winding structure includes a first motor winding, a second motor winding, and a third motor winding disposed sequentially in each of the slots along the radial direction of the stator from center to outer, and wherein the switching controller is configured to turn off any of the first, second, and third motor windings (5, 6, to 7) in the high-speed mode, wherein the first motor winding, the second motor winding and the third motor winding are connected in series; wherein the hairpin wire pins are disposed in each of the slots along the radial direction of the stator from center to outer to provide a first layer, a second layer, a third layer, a fourth layer, a fifth layer, and a sixth layer of conduction-wire such that the layers (A, B, C, D, E, to F) are arranged concentrically, wherein the first motor winding includes the first and second layers of conduction-wire (A, B), the second motor winding includes the third and fourth layers of conduction-wire (C, D), and the third motor winding includes the fifth and sixth layers of conduction-wire (E, F), and wherein the first motor winding is disposed proximal to the center of the stator. an electric motor comprising: a stator including an iron core with a plurality of slots formed therein along a radial direction of the stator; a rotor surrounded by the stator; and a winding structure having a plurality of hairpin wires with pins disposed in the slots, the hairpin wires forming a plurality of layers of conduction-wire (A, B, C, D, E, to F), wherein the winding structure is configured to provide a plurality of phase windings (41, 42, to 43) and each phase winding includes a plurality of motor windings (5, 6, to 7); and a stator including an iron core with a plurality of slots formed therein along a radial direction of the stator; a rotor surrounded by the stator; and a winding structure having a plurality of hairpin wires with pins disposed in the slots, the hairpin wires forming a plurality of layers of conduction-wire (A, B, C, D, E, to F), wherein the winding structure is configured to provide a plurality of phase windings (41, 42, to 43) and each phase winding includes a plurality of motor windings (5, 6, to 7); and an inverter connected to the motor windings (5, 6, to 7), the inverter including a switching controller configured to control the turning-on and turning-off of the motor windings (5, 6, to 7) of each phase winding (41, 42, to 43) of the winding structure, wherein when the electric motor operates in a high-speed mode, the switching controller controls the turning-on and turning-off of the motor windings (5, 6, to 7) of each phase winding (41, 42, to 43) such that a number of the phase windings (5 to 7) turned-on is 1/3 less than a number of all the phase windings (41, 42, to 43), wherein the winding structure includes a first motor winding, a second motor winding, and a third motor winding disposed sequentially in each of the slots along the radial direction of the stator from center to outer, and wherein the switching controller is configured to turn off any of the first, second, and third motor windings (5, 6, to 7) in the high-speed mode, wherein the first motor winding, the second motor winding and the third motor winding are connected in series; wherein the hairpin wire pins are disposed in each of the slots along the radial direction of the stator from center to outer to provide a first layer, a second layer, a third layer, a fourth layer, a fifth layer, and a sixth layer of conduction-wire such that the layers (A, B, C, D, E, to F) are arranged concentrically, wherein the first motor winding includes the first and second layers of conduction-wire (A, B), the second motor winding includes the third and fourth layers of conduction-wire (C, D), and the third motor winding includes the fifth and sixth layers of conduction-wire (E, F), and wherein the first motor winding is disposed proximal to the center of the stator.