Abstract: A field circuit includes a positive pole side switching element which is for controlling field current that flows in a field winding and a negative pole side switching element which is for interrupting the field current; a field circuit control section includes a field high-speed interruption determination block and a field current interruption speed control block; and at the time of interrupting the field current at a high speed, the field current is interrupted immediately by turning OFF both switching elements of the positive pole side and the negative pole side and interruption speed of the field current is controlled by intermittently driving the negative pole side switching element.

Abstract: A field circuit includes a positive pole side switching element which is for controlling field current that flows in a field winding and a negative pole side switching element which is for interrupting the field current; a field circuit control section includes a field high-speed interruption determination block and a field current interruption speed control block; and at the time of interrupting the field current at a high speed, the field current is interrupted immediately by turning OFF both switching elements of the positive pole side and the negative pole side and interruption speed of the field current is controlled by intermittently driving the negative pole side switching element.

Abstract: A method, for use in a charging system including a vehicle in which a battery is installed, a charging facility, and an information terminal, for changing a charging schedule of the battery after creating the charging schedule without re-inserting a charging cable includes: receiving a request for a change of the charging schedule; acquiring, from the charging facility, a charging parameter applied in a case where the charging schedule is changed in response to the request for the change of the charging schedule as received; and creating a charging schedule after the change using the charging parameter acquired from the charging facility.

Abstract: A vehicle energy management device includes: an energy consumption related information acquisition unit which acquires energy consumption related information that is information related to energy consumption of an own vehicle in each of traveling sections; an energy consumption related information correction unit which corrects the energy consumption related information; and a control plan production unit which produces a control plan for vehicle instruments based on an estimated value of an energy consumption amount of each of the vehicle instruments calculated by using the corrected energy consumption related information. The energy consumption related information correction unit corrects the energy consumption related information based on a result of comparing an actually measured value of traveling characteristics of the own vehicle in each of the road categories and a statistical result of traveling characteristics of a plurality of general vehicles in each of the traveling sections.

Abstract: A vehicle power management device managing: a vehicle path information generation device generating a vehicle travel path; a drive assembly consuming power to drive the vehicle; a power generator; an electrical load device group; a high-voltage storage device storing power for driving the vehicle; a low-voltage storage device storing power for operating the electrical load device group; and a DC voltage conversion and output device converting voltage of power stored in the high-voltage storage device to generate DC voltage for operating the electrical load device group, and outputting the DC voltage, and controlling electric energy flow in the vehicle. The vehicle power management device controls output of the DC voltage conversion and output device so that a filling rate of the low-voltage storage device is between lower and upper limits of a range in which a charge and discharge speed is equal to or higher than a predetermined value.

Abstract: The present invention aims to provide a charging and discharging control apparatus that can reduce a period until charging and discharging processing is started while reducing power consumption during non-use, and to provide an electric motor vehicle including the charging and discharging control apparatus. The charging and discharging control apparatus of the present invention predicts, with use of a charging and discharging start predictor, whether a charging and discharging operation including at least one of an operation to charge a storage apparatus and an operation to discharge the storage apparatus is started or not. In accordance with a result of prediction, a manager manages transition of a charging and discharging controller from an activated state to a standby state and from the standby state to the activated state.

Abstract: In a vehicle energy management device, a travel route calculator calculates a travel route of a vehicle, and an energy consumption-related information obtaining unit obtains energy consumption-related information along the travel route. An energy consumption amount computing unit calculates, based on the energy consumption-related information, an estimated value of an energy consumption amount by vehicle devices (required travel energy amount) when the vehicle travels along the travel route. A control plan preparing unit prepares a control plan for the vehicle devices based on the required travel energy amount. A feedback control unit performs feedback control of the vehicle devices to reduce a difference between the estimated value and an actual measured value of the energy consumption amount by the vehicle devices.

Abstract: A charging facility information providing system includes: an electrically driven vehicle, a charging facility, and a management center, wherein, in the case of charging the storage battery, the electrically driven vehicle and the charging facility perform charge communication, the electrically driven vehicle sends travel plan information, to the charging facility by the charge communication during the charge of the storage battery, the charging facility transfers the travel plan information sent from the electrically driven vehicle to the management center through an information network, then based on the travel plan information received from the charging facility, the management center creates a charging plan which is matched with the running route of the electrically driven vehicle, acquires charging facility information of a charging facility at a scheduled charging place included in the charging plan, and sends the charging plan and the charging facility information to the charging facility through the i

Abstract: An electric power converting apparatus mainly includes a first power supply circuit, a second power supply circuit, a selection circuit, a control circuit, a bi-directional inverter circuit, and a charge/discharge circuit. The control circuit composed of a microcomputer or a microprocessor such as a DSP controls an operation of the electric power converting apparatus. The first power supply circuit or the second power supply circuit supplies a operation voltage for the control circuit. The first power supply circuit generates the operation voltage for the control circuit based on an AC voltage supplied from the electric power supply system. The second power supply circuit generates the operation voltage for the control circuit based on a DC voltage supplied from a DC power supply in an electric vehicle EV.

Abstract: A vehicle energy-management device is used for a vehicle that is equipped with a plurality of vehicle apparatuses driven by different energy sources. The vehicle energy-management device includes a travel route calculator that calculates a travel route of the vehicle, a travel route divider that divides the travel route into a plurality of sections, a control plan preparing unit that prepares, for each of the plurality of sections, a control plan for the plurality of vehicle apparatuses, and a vehicle apparatus controller that controls the plurality of vehicle apparatuses according to the control plan. The travel route divider determines a length of each of the sections such that a resolution is higher for a section closer to the vehicle and divides the travel route.

Abstract: A charge/discharge system is mounted on an electric vehicle using a motor as a driving source, which is driven by electric power charged in a battery, and controls at least one of charge from the outside of the vehicle to the battery and discharge from the battery to the outside of the vehicle. The charge/discharge system comprises a power supply unit for controlling power supply to supply power only to a unit contributing charge/discharge among units connected to a wiring system of driving power for the motor when charge/discharge to/from the battery from/to the outside of the vehicle is performed.

Abstract: In an electric motor vehicle management system according to the present invention, a portable terminal that is owned by a user and is located in an electric motor vehicle transmits vehicle condition information of the electric motor vehicle including position information of the portable terminal that has been detected by a position detector of the portable terminal to a vehicle condition receiver of an energy management system (EMS) installed in a customer. A battery charging-and-discharging plan creating unit of the EMS creates a charging and discharging plan for a battery through the use of the vehicle condition information of the electric motor vehicle. A charging and discharging device performs at least one of charging and discharging of the battery of the electric motor vehicle in accordance with the battery charging-and-discharging plan for the battery.

Abstract: A method, for use in a charging system including a vehicle in which a battery is installed, a charging facility, and an information terminal, for changing a charging schedule of the battery after creating the charging schedule without re-inserting a charging cable includes: receiving a request for a change of the charging schedule; acquiring, from the charging facility, a charging parameter applied in a case where the charging schedule is changed in response to the request for the change of the charging schedule as received; and creating a charging schedule after the change using the charging parameter acquired from the charging facility.

Abstract: The present invention aims to provide a charging and discharging control apparatus that can reduce a period until charging and discharging processing is started while reducing power consumption during non-use, and to provide an electric motor vehicle including the charging and discharging control apparatus. The charging and discharging control apparatus of the present invention predicts, with use of a charging and discharging start predictor, whether a charging and discharging operation including at least one of an operation to charge a storage apparatus and an operation to discharge the storage apparatus is started or not. In accordance with a result of prediction, a manager manages transition of a charging and discharging controller from an activated state to a standby state and from the standby state to the activated state.

Abstract: A vehicle power management device managing: a vehicle path information generation device generating a vehicle travel path: a drive assembly consuming power to drive the vehicle; a power generator; an electrical load device group; a high-voltage storage device storing power for driving the vehicle; a low-voltage storage device storing power for operating the electrical load device group; and a DC voltage conversion and output device converting voltage of power stored in the high-voltage storage device to generate DC voltage for operating the electrical load device group, and outputting the DC voltage, and controlling electric energy flow in the vehicle. The vehicle power management device controls output of the DC voltage conversion and output device so that a filling rate of the low-voltage storage device is between lower and upper limits of a range in which a charge and discharge speed is equal to or higher than a predetermined value.

Abstract: In an electric motor vehicle management system according to the present invention, a portable terminal that is owned by a user and is located in an electric motor vehicle transmits vehicle condition information of the electric motor vehicle including position information of the portable terminal that has been detected by a position detector of the portable terminal to a vehicle condition receiver of an energy management system (EMS) installed in a customer. A battery charging-and-discharging plan creating unit of the EMS creates a charging and discharging plan for a battery through the use of the vehicle condition information of the electric motor vehicle. A charging and discharging device performs at least one of charging and discharging of the battery of the electric motor vehicle in accordance with the battery charging-and-discharging plan for the battery.

Abstract: An on-board power line communication system that performs power line communication during charging and discharging of a battery prevents electromagnetic wave leakage from a power line from interfering with other on-board devices. A vehicle includes a PLC communication device that performs PLC communication using a charging cable that is connected to a battery, and an interference suppressor that prevents electromagnetic wave leakage from the charging cable, which accompanies PLC communication, from interfering with the operations of an on-board electronic device. The interference suppressor reduces electromagnetic wave leakage from the charging cable by reducing the output frequency of the PLC communication device or the value of current flowing through the charging cable while the on-board electronic device is performing a specific operation that will be affected by interference from PLC communication.

Abstract: A charging facility information providing system includes: an electrically driven vehicle, a charging facility, and a management center, wherein, in the case of charging the storage battery, the electrically driven vehicle and the charging facility perform charge communication, the electrically driven vehicle sends travel plan information, to the charging facility by the charge communication during the charge of the storage battery, the charging facility transfers the travel plan information sent from the electrically driven vehicle to the management center through an information network, then based on the travel plan information received from the charging facility, the management center creates a charging plan which is matched with the running route of the electrically driven vehicle, acquires charging facility information of a charging facility at a scheduled charging place included in the charging plan, and sends the charging plan and the charging facility information to the charging facility through the i

Abstract: An on-board power line communication system that performs power line communication during charging and discharging of a battery prevents electromagnetic wave leakage from a power line from interfering with other on-board devices. A vehicle includes a PLC communication device that performs PLC communication using a charging cable that is connected to a battery, and an interference suppressor that prevents electromagnetic wave leakage from the charging cable, which accompanies PLC communication, from interfering with the operations of an on-board electronic device. The interference suppressor reduces electromagnetic wave leakage from the charging cable by reducing the output frequency of the PLC communication device or the value of current flowing through the charging cable while the on-board electronic device is performing a specific operation that will be affected by interference from PLC communication.

Abstract: A vehicle energy management device includes: an energy consumption related information acquisition unit which acquires energy consumption related information that is information related to energy consumption of an own vehicle in each of traveling sections; an energy consumption related information correction unit which corrects the energy consumption related information; and a control plan production unit which produces a control plan for vehicle instruments based on an estimated value of an energy consumption amount of each of the vehicle instruments calculated by using the corrected energy consumption related information. The energy consumption related information correction unit corrects the energy consumption related information based on a result of comparing an actually measured value of traveling characteristics of the own vehicle in each of the road categories and a statistical result of traveling characteristics of a plurality of general vehicles in each of the traveling sections.