Abstract: Provided are a power supply apparatus and method for a hybrid vehicle. The power supply apparatus is integrated with a power conversion device and an energy storage device in order to reduce a size and production cost of the power supply apparatus and includes a battery unit including a plurality of battery cells configured to store different levels of power and a power control unit configured to control the battery unit to integrally or selectively output the power of the plurality of battery cells based on whether an engine of the hybrid vehicle generates power.

Abstract: A converter includes one chip constituted a switching device and a diode. An electronic control unit is configured to calculate a temperature estimated value of the switching device from control conditions of the converter, restrict a control upper-limit value of charge power or discharge power of a battery, when a detection value of a temperature sensor is higher than the temperature estimated value of the switching device, and the detection value of the temperature sensor exceeds a protection temperature of the diode, and restrict a control upper-limit value of charge power or discharge power of the battery, when the detection value of the temperature sensor is lower than the temperature estimated value of the switching device, and the detection value of the temperature sensor exceeds a protection temperature of the switching device.

Abstract: The present invention is directed to an electrical wiring device that includes a variable control mechanism configured to regulate power to the at least one electrical load by way of a control knob being user settable between a first adjustment stop and a second adjustment stop. A regulation circuit is configured to establish a pre-determined load power setting when the calibration button is actuated when the regulation circuit is in the calibration mode.

Abstract: A railroad network (10) having a track (12), a network energy supply (14) and a plurality of trains (16) that are connectable to the network energy supply (14) via means (20) for connecting the train (16) to the network energy supply (14) and each have an internal energy storage system (24) for receiving and storing energy originating from said train (16) or from trains (16) of the railroad network (10) and for supplying energy to said train (16) or to trains (16) of the railroad network (10). Each train (16) is able to switch from an operational state in which it is able to move along the system of rails (12) and an idle state in which it is unable to move along the system of rails (12) and vice versa. At least one of the trains (16) of the railroad network (10) is in the idle and energized state at the same time, its internal energy storage system (24) being connected to the network energy supply (14).

Abstract: Methods and systems for transfer-switch controller backup and transfer-switch controller operation are provided. An example backup apparatus includes a memory configured to store transfer-switch data related to a first transfer-switch controller, wherein the first transfer switch-controller is a controller for a given transfer switch. The apparatus is capable of interfacing with a communication interface of the first transfer-switch controller. The apparatus is further capable of being removed from the communication interface of the first transfer-switch controller and thereafter interfacing with a communication interface of a second transfer-switch controller, wherein the second transfer-switch controller is a replacement controller for the given transfer switch.

Abstract: A parallel generator system wherein a portion of the electrical load of at least one generator unit is incrementally transferred to at least one other generator unit by the controller on the basis of an indication that the operating stresses of the generator units are disallowably unbalanced, whereby load share balancing tending towards equalization of operating stresses amongst the plurality of generator units occurs over the system service life. Also, a method for load share balancing in a parallel generator system which determines whether the operating stress levels of at least two generator units are disallowably unbalanced by comparing operating stress indicators of the generator units with that of a master generator unit, and incrementally transferring portions the electrical load between at least two generator units on the basis of the comparative evaluation, whereby load share balancing occurs tending to equalize the generator unit operating stress levels.

Abstract: In the power supply apparatus (100), on an upper surface (202a), which is the surface opposing the power-receiving unit (153) of a cabinet (103b), in the portion where a power supply coil (103a) is projected when the power supply coil (103a) is projected on the cabinet (103b) toward the direction of the power-receiving unit (153), a first inclined part (203) gradually approaching the power supply coil (103a) from the top section (205) toward the inner edge section (211) of the power supply coil (103a) is formed in the radial direction of the power supply coil (103a), and in the portion where the power supply coil (103a) is projected, a second inclined part (204) gradually approaching the power supply coil (103a) from the top section (205) toward the outer periphery (212) of the power supply coil (103a) is formed in the radial direction of the power supply coil (103a).

Abstract: A turn-on current controller performs turn-on current control, based on turn-on current. A transmission power controller performs transmission power control so that the magnitude of transmission power approaches a target of the transmission power. A power transmission coil current controller performs power transmission coil current control so as to minimize current flowing through a power transmission coil. The transmission power control and the power transmission coil current control are not executed, during execution of the turn-on current control. At least one of the transmission power control or the power transmission coil current control is executed while the turn-on current control is not being executed.

Abstract: Various embodiments enable the operation of fuel cell system support equipment using variable frequency drives and power from fuel cells and/or grid power sources.

Abstract: Disclosed herein are methods and systems for adjusting the power level of an external reader of an electronic device. The external reader transmits power to the electronic device with a radio frequency electromagnetic signal. The electronic device may rectify the radio frequency electromagnetic signal and create a rectified voltage. The rectified voltage may be positively correlated to the power level transmitted by the external device. The rectified power can be used to power a component of the electronic device, such as a component configured to measure either a voltage or power associated with the rectified voltage. The electronic device may communicate the measured voltage or power back to the external reader. Based on the communicated voltage or power, the external reader may adjust its power level of the transmitted power.

Abstract: An electronic circuit comprising an ACRF comprising an active component, an energy storage unit, an input port and an output port. The electronic circuit comprises a control unit to control the ACRF. A detector detects a short circuit at the input port or the absence of an energy supply at the input port. The control unit controls the ACRF to function as an ACRF if the detector detects a power supply connected to the input port or that there is no short circuit at the input port, and controls the ACRF to stop functioning as an ACRF and to discharge energy from its energy storage unit to its output port if the detector detects a short circuit at the input port or no power supply connected to the input port.

Abstract: Described are power management systems having at least one fuel cell system, a power distribution unit, at least one galley insert, a galley network controller, a control panel, and/or at least one battery pack. The power management system compares a power output from the power distribution unit to a maximum load level and/or to a minimum load level, instructs the galley network controller to cycle the galley insert off and/or set an operation of the galley insert to a lower power consumption level when the power output approaches and/or is above the maximum load level, and instructs the galley network controller to cycle the galley insert on and/or set the operation of the galley insert to a higher power consumption level when the power output approaches and/or is below the minimum load level.

Abstract: Inductive power transfer apparatus has a first magnetic coupling structure and a second magnetic coupling structure, the structures being adapted to generate and/or receive magnetic flux to thereby transfer power inductively, the first structure comprising a substantially circular coil, and the second magnetic structure comprising an arrangement of at least two coils associated with a magnetically permeable core.

Abstract: Electrical management system comprising a first voltage source linked to a load and a second voltage source at lower voltage, characterized in that the second voltage source and/or an associated charger can be arranged in series with the first voltage source and the load.

Abstract: A power supply apparatus includes a power supply unit that wirelessly supplies power to an electronic apparatus, a communication unit that performs a wireless communication with the electronic apparatus, and a control unit that controls a timing for switching a communication process performed by the communication unit and a power supply process performed by the power supply unit.

Abstract: In some aspects, a switching device for a medical apparatus includes a first switching member adapted to select an assigned operating function of the medical apparatus; and a second switching member adapted to permit the selecting of the assigned operating function of the first switching member. The second switching member is adapted such that it has a detection space in which it detects a presence of an operating object; and the first switching member is arranged in the detection space of the second switching member.

Abstract: A number of load units are connected to receive power from a number of power supply units. A potential load bus is connected to have a voltage level representative of both a total potential power requirement of the number of load units and a total potential power supply capability of the number of power supply units. A first control circuit enables operation of the number of load units when the voltage level on the potential load bus indicates that a sufficient supply of power is available. An actual load bus is connected to have a voltage level representative of both an actual total power consumption of the number of load units and an actual total power supply available from of the number of power supply units. A second control circuit signals an impending loss of sufficient power supply based on the monitored voltage level on the actual load bus.

Abstract: Provided is a power transmitting device, a power feeding system, and a power feeding method in which power loss is cut by increasing power use efficiency and power can be supplied to a power feeding user (a power receiving device) with high power transmission efficiency. Depending on a power feeding state (e.g., resonant frequency of a power transmitting resonance coil is not the same as that of a power receiving resonance coil, or the influence of their positional relation), power transmitted from a power source portion of the power transmitting device is reflected to the power transmitting coil side by the power transmitting resonance coil. Further, a power recovering function (circulation function) for power reflected to the power transmitting device is provided to recover the power reflected to the power transmitting coil side and to reuse it for power transmission.

Abstract: An article of manufacture for supplying a power to a load connected in a capacitive power transfer system comprises a sheet (210) of a non-conductive material; and a plurality of conductive stripes (220), each two adjacent conductive stripes being electrically insulated from each other, wherein the sheet forms an insulating layer of the capacitive power transfer system and the plurality of conductive stripes form at least a pair of transmitter electrodes of the capacitive power transfer system.

Abstract: A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.