Abstract: An electrified vehicle having a first inverter having a DC terminal and a plurality of legs respectively connected to one end of each of a plurality of coils of a motor, a second inverter connected to the DC terminal, and including a plurality of legs connected to the other ends of the plurality of coils, respectively, a plurality of transfer switches respectively having one end connected to a neutral terminal for the plurality of coils and the other end connected to the other end of each coil, an overvoltage protection circuit including a clamping switch, a resistor, and a capacitor, and connected to the neutral terminal and the DC terminal, and a controller controlling a turned-on state of the plurality of transfer switches according to the motor driving mode. When the motor is driven, the controller controls a turned-on state of the clamping switch.

Abstract: An inverter driving apparatus includes an inverter including a plurality of legs corresponding to a plurality of phases respectively, a gate driver outputting a pulse width modulation control signal for switching the transistor provided in the leg, a variable resistor circuit connected to a gate end of the transistor, and a switching speed control circuit determining a switching state of the transistor based on the pulse width modulation control signal, adjusting a resistance value of the variable resistor circuit according to the temperature of the transistor based on the determination result, and controlling the switching speed of the transistor.

Abstract: A charging system using a motor driving system includes: a battery, an inverter having connection terminals including a positive terminal and a negative terminal, and a plurality of motor connection terminals, and a plurality of switching elements forming an electrical connection relationship between the DC connection terminals and the connection terminals; a motor including a plurality of coils that has first ends respectively connected to the motor connection terminals, and second ends connected to each other to form a neutral point; a plurality of switches to form an electrical connection between the battery and the inverter, and to form an electrical connection between the battery and the neutral point, and to connect or disconnect a charging current to the DC connection terminals; and a controller controlling operation of the switches and the inverter based on a magnitude of a charging voltage.

Abstract: A motor driving apparatus which drives a motor including a plurality of winding portions corresponding to a plurality of phases, respectively, includes a motor including a plurality of winding portions corresponding to a plurality of phases, respectively, a first inverter including a plurality of first switching elements and electrically connected to a first end of each of the winding portions, a second inverter including a plurality of second switching elements and electrically connected to a second end of each of the winding portions, a plurality of third switching elements including first ends electrically connected to the second ends of the plurality of winding portions, respectively, and second ends electrically connected to each other, and a controller.

Abstract: A battery charging system includes a first inverter including first switching elements and DC and AC terminals connected to the battery and a first end of the windings of a motor, respectively; a second inverter including second switching elements and DC and AC terminals connected to the battery and a second end of the windings, respectively; third switching elements each having a first end connected to the second end of the windings and a second end connected to each other; a charging capacitor provided between the second end of the third switching elements and a negative terminal of the battery, and to which a DC charging voltage is applied for charging the battery; a fourth switching element connected in series with the charging capacitor between the second end of the third switching elements and the negative terminal; and a controller configured to control the first to fourth switching elements.

Abstract: A motor driving apparatus of driving the motor having a plurality of winding portions respectively corresponding to a plurality of phases is directed for improving inverter efficiency in driving the motor while varying the inductance of the motor by providing various motor driving modes to meet the required performance of the motor.

Abstract: A motor driving apparatus of driving a motor including a plurality of windings respectively corresponding to a plurality of phases is disclosed. The motor driving apparatus include a first inverter including a plurality of first switching elements and connected to a first end of each of the windings, a second inverter including a plurality of second switching elements and connected to a second end of each of the windings, and a controller configured for controlling ON/OFF states of the first switching elements and the second switching elements based on a required output of the motor, wherein the first inverter may be connected to a first voltage source, the second inverter may be connected to a second voltage source, and the first voltage source and the second voltage source may have different grounds.

Abstract: A motor driving apparatus includes: a first inverter including: a plurality of first switching elements and connected to a first end of each of the windings; a second inverter including: a plurality of second switching elements and connected to a second end of each of the windings; and a controller configured to control a switching state of the plurality of first switching elements and the plurality of second switching elements based on a driving mode of the motor in one sampling period.

Abstract: An apparatus configured for driving a motor, includes a first inverter including a first switching elements and connected to a first end of each of a windings respectively corresponding to a plurality of phases of the motor, a second inverter including a second switching elements and connected to a second end of each of the windings, a switches including first ends respectively connected to nodes to which the windings and the second switching elements are respectively connected and second ends connected to each other, and a controller configured to drive the motor in one of a first driving mode for driving the motor by maintaining the second switching elements in an open state and performing pulse width modulation control for the first switching elements and a second driving mode for driving the motor by performing pulse width modulation control for the first switching elements and the second switching elements.

Abstract: A system for charging a battery for a vehicle using a motor driving system that operates a motor having a plurality of windings is disclose. The system includes a first inverter having a plurality of first switching elements, a DC terminal connected to the battery, and an AC terminal connected to one terminal of the plurality of windings, a second inverter having a plurality of second switching elements, a DC terminal selectively short-circuited/opened with the DC terminal of the first inverter, and an AC terminal connected to the other terminal of the plurality of windings, and a controller configured to control an electric connection state between the DC terminals of the first inverter and the second inverter and an open/short-circuited state of the first switching elements and the second switching elements.

Abstract: A system for charging a vehicle battery using a motor driving system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control opened/shorted states of the switching elements included in the first inverter and the second inverter and the plurality of transfer switches, so that a DC charging voltage applied to a portion between of the second ends of the plurality of transfer switches and a negative terminal of the battery is supplied to the battery.

Abstract: A system for charging a vehicle battery using a motor driving system is proposed. The battery charging system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control a connection state between a DC terminal of the first inverter and a DC terminal of the second inverter, and opened/shorted states of the plurality of first switching elements, the plurality of second switching elements, and the plurality of transfer switches.

Abstract: A power conversion apparatus for multi-voltage charging is provided. The power conversion apparatus includes a housing, a motor connecting terminal disposed at one side of the housing, a relay having a first end electrically connected to the motor connecting terminal, and a capacitor having a first terminal electrically connected to a second end of the relay, and second and third terminals respectively connected to positive and negative terminals of an external battery, wherein the motor connecting terminal, the relay, and the first, second and third terminals are disposed within the housing along an outer edge of the housing.

Abstract: A power conversion apparatus for multi-voltage charging is provided. The power conversion apparatus includes a housing, a motor connecting terminal disposed at one side of the housing, a relay having a first end electrically connected to the motor connecting terminal, and a capacitor having a first terminal electrically connected to a second end of the relay, and second and third terminals respectively connected to positive and negative terminals of an external battery, wherein the motor connecting terminal, the relay, and the first, second and third terminals are disposed within the housing along an outer edge of the housing.

Abstract: A charging system using a motor driving system includes: a battery, an inverter having connection terminals including a positive terminal and a negative terminal, and a plurality of motor connection terminals, and a plurality of switching elements forming an electrical connection relationship between the DC connection terminals and the connection terminals; a motor including a plurality of coils that has first ends respectively connected to the motor connection terminals, and second ends connected to each other to form a neutral point; a plurality of switches to form an electrical connection between the battery and the inverter, and to form an electrical connection between the battery and the neutral point, and to connect or disconnect a charging current to the DC connection terminals; and a controller controlling operation of the switches and the inverter based on a magnitude of a charging voltage.