Patent application number | Description | Published |
20110114397 | POWER MODULE AND VEHICLE HAVING THE SAME - Provided is a power module in which a motor and a motor driving unit are efficiently configured and a vehicle having the same. The power module includes a power module case forming an external form; an inverter provided within the power module case and configured to convert a direct current (DC) power into an alternating current (AC) power; an AC power conductor provided in the power module case and connected to the inverter to cause the AC power converted by the inverter to flow therethrough; and a motor provided in the power module case and connected to the AC power conductor to receive the AC power and generate a rotational force. | 05-19-2011 |
20110115416 | APPARATUS FOR DRIVING MOTOR OF ELECTRIC VEHICLE - An apparatus for driving a motor of an electric vehicle is provided. The apparatus includes a capacitor supplied with power by a battery; an inverter configured to include a plurality of switching elements, convert direct current (DC) power stored in the capacitor into alternating current (AC) power in accordance with the switching of the switching elements and drive a motor with the AC power; and a capacitor protector provided between the battery and the capacitor and configured to consume initial power supplied by the battery at an early stage of the supply of power by the battery, the capacitor protector including a common resistor that consumes the DC power stored in the capacitor when the capacitor is discharged. Therefore, it is possible to guarantee the reliability of the apparatus. | 05-19-2011 |
20110116235 | MOTOR DRIVE UNIT AND VEHICLE INCLUDING THE SAME - Disclosed is a motor drive unit. The motor drive unit includes a case, a capacitor provided in the case and generating heat, an inverter provided in the case and configured to convert Direct Current (DC) power into Alternating Current (AC) power, and a water cooling jacket provided in the case and configured to radiate heat generated by the inverter to the outside. The case includes a radiating plate to radiate the heat generated by the capacitor to the outside. | 05-19-2011 |
20120173459 | NETWORK SYSTEM - A network system is provided. The network system includes: a plurality of components for transmitting or receiving information. At least one component among the plurality of components recognizes at least energy-related information and performs an energy-related response. When a first component in the plurality of components recognizes a course related to an operation of a second component, the first component recognizes a predicted energy usage charge on the basis of a predicted power consumption amount of the second component corresponding to the inputted course. | 07-05-2012 |
20120262096 | ELECTRIC VEHICLE AND OPERATING METHOD OF THE SAME - Disclosed herein is an electric vehicle and a driving method thereof. According to the present disclosure, it may be possible to drive an electric vehicle using a drive inverter and coils within a three-phase motor, and charge a battery using them as a charging device. According to the present disclosure, coils included in a motor control device and switching elements within an inverter may be used, and the use of the inductors and switching elements required for the charging device may be reduced. | 10-18-2012 |
20120299409 | ELECTRIC MOTOR AND ELECTRIC VEHICLE HAVING THE SAME - An electric motor disposed in an electric vehicle includes a stator, a first rotor located at an outer side of the stator, and a second rotor located at an inner side of the stator, wherein each of the first rotor and the second rotor includes a plurality of first permanent magnets and a plurality of second permanent magnets, made of different materials from each other, whereby a material cost can be reduced and an output can be enhanced. | 11-29-2012 |
20140062350 | APPARATUS FOR CONTROLLING MOTOR FOR ELECTRIC VEHICLE AND METHOD FOR REDUCING TORQUE RIPPLE USING THE SAME - An apparatus controlling an electric vehicle motor and a method to reduce torque ripple using the same are provided. | 03-06-2014 |
20140217973 | CHARGING APPARATUS AND ELECTRIC VEHICLE INCLUDING THE SAME - A charging apparatus and an electric vehicle including the same are disclosed. The charging apparatus includes a converter for, in a charging mode, converting an input alternating current (AC) voltage into a direct current (DC) voltage and a controller for controlling the converter. The converter includes a motor and a switching unit that is connected to an additional coil wound on a stator of one phase of the motor, and that supplies the input AC voltage to the motor by performing a switching operation. The converter also includes an inverter that, in a motor operation mode, converts a DC voltage from a battery into an AC voltage by a switching operation and drives the motor. In the charging mode, the inverter converts the input AC voltage into the DC voltage using the additional coil of the motor and the switching unit and supplies the DC voltage to the battery. | 08-07-2014 |
20140217974 | CHARGING APPARATUS AND ELECTRIC VEHICLE INCLUDING THE SAME - A charging apparatus and an electric vehicle including the same are disclosed. The charging apparatus includes a converter for, in a charging mode, converting an input alternating current (AC) voltage into a direct current (DC) voltage, and a controller for controlling the converter. The converter includes a motor, and a switching unit for supplying the input AC voltage to the motor by performing a switching operation. The converter also includes an inverter for, in a motor operation mode, converting a DC voltage from a battery into an AC voltage by performing a switching operation of three-phase switching elements and driving the motor. In the charging mode, the inverter operates switching elements of at least one phase of the three-phase switching elements and converts the voltage received from the motor into a predetermined DC voltage. | 08-07-2014 |
20140285054 | STATOR OF ELECTRIC MACHINE, ELECTROMOTOR HAVING THE SAME, AND ELECTRIC VEHICLE HAVING THE ELECTROMOTOR - A stator of an electric machine of the power saving interval may include a stator core having a plurality of slots, and a stator winding wound around the slot, wherein the stator winding has a plurality of winding portions connected in parallel with one another for each phase, and each of the winding portions has a segment conductor inserted into three or more slots for each pole. As a result, it may be possible to increase the number of rotations and reduce the external size thereof while maintaining the same output. | 09-25-2014 |