Abstract: There are provided a power conversion mode control apparatus of a bi-directional DC-DC converter including: a controlling unit determining an overall reference current so as to perform a power conversion from a side in which an actual voltage is relatively larger than a reference voltage to a side in which the actual voltage is relatively smaller than the reference voltage by comparing a voltage error of low voltage side and a voltage error of high voltage side with each other; and a duty command generating unit generating duty command based on a difference between the overall reference current and a current of low voltage side and providing the duty command to the bi-directional DC-DC converter.

Abstract: There is provided a driving circuit for a hybrid electric vehicle, including a first battery and a second battery, an inverter for converting an applied voltage to the form of direct current (DC) or alternating current (AC) according to the operating mode of the motor, a converter operating in a boost mode or a buck mode according to the operating mode of the motor, and a processor for comparing a voltage (VB1) of the first battery and a voltage of a DC-link capacitor and controls electrical connection between the first battery, and the inverter and the converter during start-up, wherein the DC-link capacitor is connected in parallel to the first battery, the inverter, and the converter.

Abstract: There are provided a power conversion mode control apparatus of a bi-directional DC-DC converter including: a controlling unit determining an overall reference current so as to perform a power conversion from a side in which an actual voltage is relatively larger than a reference voltage to a side in which the actual voltage is relatively smaller than the reference voltage by comparing a voltage error of low voltage side and a voltage error of high voltage side with each other; and a duty command generating unit generating duty command based on a difference between the overall reference current and a current of low voltage side and providing the duty command to the bi-directional DC-DC converter.

Abstract: There is provided a driving circuit for a hybrid electric vehicle, including a first battery and a second battery, an inverter for converting an applied voltage to the form of direct current (DC) or alternating current (AC) according to the operating mode of the motor, a converter operating in a boost mode or a buck mode according to the operating mode of the motor, and a processor for comparing a voltage (VB1) of the first battery and a voltage of a DC-link capacitor and controls electrical connection between the first battery, and the inverter and the converter during start-up, wherein the DC-link capacitor is connected in parallel to the first battery, the inverter, and the converter.

Abstract: There is provided a power supply device including: a SEPIC/Zeta converter having an energy storage unit; and a power transmitting unit transmitting the energy stored in the SEPIC/Zeta converter to a load stage.

Abstract: The present invention relates to a modular electric-vehicle electricity supply device and an electrical wire arrangement method, and more particularly, to an electric-vehicle electricity supply device and electrical wire arrangement method which use a modular approach such that respective modules can be controlled so as to be either ON or OFF; in which a plurality of a magnets disposed at right angles to the direction of travel on a road area provided spaced at predetermined intervals in the direction of travel on the road, and which comprises electricity supply cores formed such that the widths at right angles to the direction of travel on the road are very narrow, and comprises electricity supply wires arranged such that the magnets of electricity supply cores which neighbor each other in the direction of travel on the road have different polarities.

Abstract: A power supply apparatus is for supplying power to an electric vehicle by a magnetic induction mechanism. The apparatus includes a power supply structure including a multiple number of power supply rail modules connected in a forward road direction, each power supply rail module including at least one power supply line passage elongated in the forward road direction, a power supply core of a lattice structure provided below the power supply line passage, and a concrete structure incorporating the power supply line passage and the power supply core; at least one power supply line accommodated in the power supply line passage in the forward road direction and surrounded by an insulating pipe; and at least one common line provided in the forward road direction and surrounded by an insulating pipe, for supplying power to the power supply apparatus.