A dynamic inductive wireless power transmitter (DIPT) system is disclosed. In embodiments, a DIPT system includes an AC-to-DC power converter configured to receive three-phase power from an AC utility source. The DIPT system further includes a trunk cable electrically connected to the AC-to-DC power converter and multiple power transmitter modules electrically connected to the trunk cable and connected to each other in series. Each of the multiple power transmitter modules are configured to transmit inductive wireless power over an air gap from the DIPT system to a vehicle containing a receiver coil. The DIPT system further includes a system controller configured to detect a vehicle containing a receiver coil, identify the vehicle containing a receiver coil, and confirm if the vehicle containing a receiver coil should receive inductive wireless power from the DIPT system.

A dynamic inductive wireless power transmitter (DIPT) system is disclosed. In embodiments, a DIPT system includes an AC-to-DC power converter configured to receive three-phase power from an AC utility source. The DIPT system further includes a trunk cable electrically connected to the AC-to-DC power converter and multiple power transmitter modules electrically connected to the trunk cable and connected to each other in series. Each of the multiple power transmitter modules are configured to transmit inductive wireless power over an air gap from the DIPT system to a vehicle containing a receiver coil. The DIPT system further includes a system controller configured to detect a vehicle containing a receiver coil, identify the vehicle containing a receiver coil, and confirm if the vehicle containing a receiver coil should receive inductive wireless power from the DIPT system.

A non-contact power supply system supplies electric power in a non-contact manner from a plurality of power transmission coils disposed on a road to a power receiving coil mounted on a vehicle traveling on the road. The non-contact power supply system includes a first estimation unit configured to estimate a future position of the vehicle, based on a speed of the vehicle, and a specifying unit configured to specify a power transmission coil that has to be in an activated state that is a state of being able to supply electric power to the power receiving coil, among the power transmission coils, based on the estimated future position.

A non-contact power supply system supplies electric power in a non-contact manner from a plurality of power transmission coils disposed on a road to a power receiving coil mounted on a vehicle traveling on the road. The non-contact power supply system includes a first estimation unit configured to estimate a future position of the vehicle, based on a speed of the vehicle, and a specifying unit configured to specify a power transmission coil that has to be in an activated state that is a state of being able to supply electric power to the power receiving coil, among the power transmission coils, based on the estimated future position.

The power transfer system includes a power transmission device and a power reception device disposed in the vehicle. The power transmission device includes a power transmission coil configured to transmit power in a wireless manner to the power reception device, an inverter configured to generate an AC transmission power and supply it to the power transmission coil, and a power supply ECU. When the transmission of power to the power reception device is started, the power supply ECU sets the transmission power at the start of power transmission to a first power which is lower than a second power, and performs the operating point search control in that state. If the reception power is lower than a tai et reception power after the operating point search control is completed, the power supply ECU sets the transmission power to the second power which is higher than the first power.

A contactless electric power supply device of the present invention is provided with: multiple supply coils and an alternating current power source arranged on a fixed section; multiple receiving coils and a receiving circuit provided on a moving body; and a face-to-face power supply section provided for each of the multiple supply coils and configured to supply alternating current power from the alternating current power source to the supply coils only when detecting a face-to-face state between the supply coil and the receiving coil; wherein separation distances and lengths in the moving direction of the multiple supply coils and multiple receiving coils are set to satisfy face-to-face conditions, and a receiving circuit converts alternating current power received by at least one of the receiving coils in the face-to-face state and generates a receiving voltage at least equal to a driving voltage.

The described technology provides a wireless charging network comprising wireless power transmitters and transmitters nodes distributed along a track or route traversed by automated guided vehicles and other moveable objects. The moveable objects include wireless charging receivers to receive wireless power from the wireless power transmitters and nodes.

The described technology provides a wireless charging network comprising wireless power transmitters and transmitters nodes distributed along a track or route traversed by automated guided vehicles and other moveable objects. The moveable objects include wireless charging receivers to receive wireless power from the wireless power transmitters and nodes.

The invention relates to a device for generating a magnetic field, in particular for a primary apparatus of an inductive charging system, as well as to a primary apparatus of an inductive charging system for the contactless, inductive power transfer to transport means. With the objective of continually generating a magnetic field along a specific traveling direction, the device is provided with at least one electrical conductor for generating the magnetic field, a supply unit for generating an alternating current for the at least one electrical conductor, and a detection unit for detecting a secondary charging system. This device is characterized by a communication unit for transmitting and receiving data to/from an identical device, wherein the device is designed to control the signal control unit by means of the detection unit and/or by means of the received data, and hence the generation of the magnetic field for inductive power transfer. With respect to the primary apparatus, the latter has a plurality of interconnected devices for generating a magnetic field, wherein the devices have a plurality of electrical conductors for generating a magnetic field. In addition, the arrangement and actuation of electrical conductors of the devices are designed in such a way that a predetermined magnetic field can be generated by a portion of the electrical conductors, and this magnetic field can be displaced by correspondingly actuating the electrical conductors with a static motion.

The invention relates to a device for generating a magnetic field, in particular for a primary apparatus of an inductive charging system, as well as to a primary apparatus of an inductive charging system for the contactless, inductive power transfer to transport means. With the objective of continually generating a magnetic field along a specific traveling direction, the device is provided with at least one electrical conductor for generating the magnetic field, a supply unit for generating an alternating current for the at least one electrical conductor, and a detection unit for detecting a secondary charging system. This device is characterized by a communication unit for transmitting and receiving data to/from an identical device, wherein the device is designed to control the signal control unit by means of the detection unit and/or by means of the received data, and hence the generation of the magnetic field for inductive power transfer. With respect to the primary apparatus, the latter has a plurality of interconnected devices for generating a magnetic field, wherein the devices have a plurality of electrical conductors for generating a magnetic field. In addition, the arrangement and actuation of electrical conductors of the devices are designed in such a way that a predetermined magnetic field can be generated by a portion of the electrical conductors, and this magnetic field can be displaced by correspondingly actuating the electrical conductors with a static motion.