Abstract: A sequence controller for controlling a sequence of booting and stopping a plurality of power supplies includes a processor and a non-programmable read only memory (ROM). A series of parameter records describing the sequence is stored in a programmable memory. Each of the parameter records is one of (i) a first record including a first parameter and a second parameter and associated with a first instruction for setting one of the plurality of power supplies corresponding to the first parameter to one state of an ON state and an OFF state corresponding to the second parameter and (ii) a second record including a third parameter and associated with a second instruction to wait for a time period corresponding to the third parameter.

Abstract: A method and apparatus for operating a power distribution system includes a power converter adapted to receive a power supply and convert the power supply to a power output, a set of solid state switching elements connected with the power output, a set of sensors adapted to sense a power demand at the set of solid state switching elements, and a controller module communicatively connected with the set of sensors and the set of solid state switching elements.

Abstract: Using a burn-in operational amplifier (opamp) for a phased locked loop (PLL) regulator including activating a voltage stress mode for an integrated circuit comprising a PLL regulator for a PLL, wherein the PLL regulator comprises thin-oxide transistors, and wherein activating the voltage stress mode for the integrated circuit comprises applying an elevated voltage to an input of the PLL regulator; and enabling, during the voltage stress mode, a burn-in opamp coupled to the input of the PLL regulator, wherein enabling the burn-in opamp bias the input of the PLL regulator to a voltage lower than the elevated voltage.

Abstract: An example system includes a failure detection circuit. The failure detection circuit is to detect a failure of a first power source electrically coupled to a first load. The failure detection circuit is to output a first signal indicating the detection of the failure of the first power source. The system also includes a current regulating circuit. The current regulating circuit is electrically coupled to the failure detection circuit. The current regulating circuit is to electrically couple a second power source to the first load based on the first signal output by the failure detection circuit. The current regulating circuit is to restrict a first current from the second power source.

Abstract: A vehicle for a controller includes an electronic control unit which includes an alternator that can generate electric power using rotation of an engine and a first battery and a second battery that can be charged by the alternator. The first battery is connected in parallel to the alternator and the second battery is connected in parallel to the alternator and the first battery via a second switch. The electronic control unit is configured not to charge the second battery with regenerative power generated by the alternator by switching the second switch to an OFF state when the temperature of the alternator is higher than a first predetermined value.

Abstract: A charge pump includes a scaler circuit and a selector circuit. The scaler circuit is designed to scale an intermediate voltage by a scaling factor to generate a scaled voltage. The selector circuit is designed to select and provide the intermediate voltage from multiple voltages. The selector circuit includes a comparator block to generate a select signal indicating which of the multiple voltages has the highest magnitude. The selector circuit includes multiple switches, each switch to receive a respective voltage from among the multiple voltages and pass the corresponding voltage as the intermediate voltage if the select signal indicates that the voltage received by the corresponding switch has the highest magnitude.

Abstract: An intruding metal detection method for a supplying-end module of an induction type power supply system having a supplying-end coil includes interrupting at least one driving signal of the induction type power supply system to stop driving the supplying-end coil during a measurement period, to generate a coil signal of the supplying-end coil; measuring a plurality of peaks of the coil signal within a plurality of consecutive oscillation cycles of the coil signal, to obtain a plurality of peak trigger voltages, respectively; calculating a first attenuation parameter according to a first peak trigger voltage and a second peak trigger voltage among the plurality of peak trigger voltages; and comparing the first attenuation parameter with a first threshold value to determine whether there is an intruding metal existing in a power supply range of the induction type power supply system.

Abstract: A multipurpose power supply suitable for a power switch driver circuit takes an input voltage and generates output voltages at four output terminals. Two output terminals may be connected to voltage supply rails to drive a switched-mode power converter. The voltage output at each output terminal relative to ground is different, allowing the voltage rails to be set to voltages suitable for a variety of different power-switch driver circuits by adjusting the output terminals to which the voltage rails are connected. A reference voltage is applied to one output terminal in order to set the values of the voltages at the remaining output terminals.

Abstract: A semiconductor device includes a first circuit formed on a substrate in a first region, a second circuit formed on the substrate in a second region and including one or more transistors, and connections between the first circuit and respective gates of the transistors of the second circuit. The substrate includes a first semiconductor material and the second circuit includes one or more transistors having channels formed from a second semiconductor material different from the first semiconductor material.

Abstract: A method is provided for controlling an electric power distribution grid, which includes one or more first grid devices having changeable set-points. The method includes the following steps: determining a consumption target value for the electric power distribution grid, the consumption target value being determined with reference to at an end instant of an observation time window, in which consumption of the electric power distribution grid at a given observation electric node of the electric power distribution grid is observed; and executing a control procedure for controlling the set-points of the first grid devices.

Abstract: USB interface and charging port controller integrated circuits and systems are presented for interfacing USB power and data signaling with a host circuit, in which an ESD protection diode is integrated in the IC, having an anode connected to a data terminal of the IC and a cathode connected to the positive USB bus voltage terminal for directing ESD transient current from the data terminal to the USB bus voltage terminal for dissipation to an external bus capacitance connected between the USB bus voltage terminal and a USB ground node on a host system circuit board.

Abstract: A multipurpose power supply suitable for a power switch driver circuit takes an input voltage and generates output voltages at four output terminals. Two output terminals may be connected to voltage supply rails to drive a switched-mode power converter. The voltage output at each output terminal relative to ground is different, allowing the voltage rails to be set to voltages suitable for a variety of different power-switch driver circuits by adjusting the output terminals to which the voltage rails are connected. A reference voltage is applied to one output terminal in order to set the values of the voltages at the remaining output terminals.

Abstract: A driver circuit for use in a controller includes a signal generator coupled to generate a first control signal, a second control, and a third control signal in response to a drive signal that is coupled to control switching of a selection switch that is coupled to the driver circuit and referenced to an output voltage that is greater than a ground reference voltage. A first switch is coupled to selectively couple a first voltage to a first terminal of the controller in response to the first control signal. A second switch is coupled to selectively couple a second voltage to a second terminal of the controller in response to the second control signal. A third switch is coupled to selectively couple the second terminal of the controller to a third terminal of the controller in response to the third control signal.

Abstract: An uninterruptible power supply, including a plurality of power supply units, a plurality of battery units and an information integration management unit. Each power supply unit belongs to one of an operating system and a standby system. Each battery unit belongs to one of a power failure standby system and a power failure backup system. The information integration management unit manages the power supply units and the battery units, by receiving an instruction from an externally connected management device, and setting each of the power supply units to be in the operating system or the standby system, and setting each of the battery units to be in the power failure standby system or the power failure backup system, in accordance with the received instruction.

Abstract: Systems, methods, and computer-readable storage media for hardware recovery are disclosed. In some examples, a system can detect a hardware error and identify a system component associated with the hardware error. The system can then generate a request configured to trigger an operating system of the system to place the system in a particular operating state. The particular operating state can be determined based on a component type of the system component. The particular operating state can be a first sleep state when the component type is a peripheral component or a second sleep state when the component type is a processor, a memory, or a power supply. The second sleep state can result in a lower power resource consumption than the first sleep state. The system can generate an indication that the system component can be replaced without restarting the operating system.

Abstract: In a vehicle-mounted camera system, an appropriate white balance correction processing according to a situation is executed to a long exposure time image and a short exposure time image shot in variously changing illumination environments. A vehicle-mounted camera system includes a vehicle-mounted camera that performs relatively long exposure time shooting and short exposure time shooting, a signal processing device (signal processing device) that executes a white balance correction processing for each of a long exposure time image and a short exposure time image, composes these images after the white balance correction processing, and generates a high dynamic range image, and a system control part (processing switch device) that obtains an illumination environment in which the vehicle is placed, and switches the white balance correction processing for the long exposure time image and the white balance correction processing for the short exposure time image according to the illumination environment.

Abstract: A communicator communicates with a plurality of management targets. An operation-mode determiner determines, based on information representing a status of each of the management targets each received by the communicator, whether a total system status of the plurality of management targets satisfies a predefined condition. A mode-of-network-communication switch, a communication-parameter changer, a condition-for-device-communication setter, a cycle-for-obtaining-status-value setter and a communication-parameter setter adjust, when the operation-mode determiner determines that the system status satisfies the predefined condition, a communication status of the communicator in accordance with the system status and a processing performance of the device.

Abstract: A power distribution system capable of network-connecting relay is provided. Power distribution units of the power distribution system execute a master-node-arbitrating process to generate an arbitration result, and respectively switch to a master node mode for being a master node or a slave node mode for being a slave node according to the arbitration result. When being the master node, a power distribution unit receives a monitor command from a remote management device via an external network, and transfers it to the corresponded slave node(s). When being the slave node, a power distribution unit executes the monitor command received from the master node. Therefore, the complexity of building system and the cost of building system can be effectively reduced, and network-connecting relay service can be provided.

Abstract: Supply system for electronic boards of an electrical distribution system comprising at least two protection boards (2a, 2b) each able to control the supply of at least one protected pathway (3a, 3b) on the basis of a power line (4a, 4b), characterized by the fact that each protection board (2a, 2b) comprises at least one voltage converter (13a, 13b) able to provide an internal supply voltage of the protection board on the basis of a supply voltage, the voltage converter (13a) of a first protection board (2a) being connected to at least one second protection board (2b) so as to be able to provide the internal supply of the second protection board (2b) in case of failure of the voltage converter (13b) of the second protection board (2b).

Abstract: An image obtaining section 106 obtains an imaged image from an imaging device. A face authenticating section 132 detects a face image of a registered user present in the imaged image using face identifying data retained in a registered user information retaining section 180. A damage determining section 142 determines whether or not the face identifying data read from the registered user information retaining section 180 by a face data reading section 130 is damaged. If the face identifying data is determined to be damaged, a notifying section 144 notifies that the face identifying data is damaged.

Abstract: Electronic devices may have several power supplies. Current from the power supplies may be provided to multiple loads, such as motors, processors, or other devices. When a current demand of one or more of the loads increases, current from the power supplies may be provided to meet the increased current demands of the one or more loads. To determine how much current can be provided to the loads from the power supplies, output currents of the power supplies can be determined, and a feedback voltage can be generated based on the output currents. The feedback voltage can be compared against hysteretic voltages to determine how much current may be transferred from the power supplies to the loads to compensate for the current demands of the loads.

Abstract: Provided is a determination apparatus and determination method for automatically determining the types of power-supply devices connected, in a power conversion apparatus employing a DC link. The determination apparatus includes: a plurality of connectors that may be connected with the plurality of power-supply devices; a plurality of voltage transducers connected in series with the plurality of connectors; a voltage measuring part configured to measure output voltage values having passed through the plurality of voltage transducers; and a controller determining the plurality of power-supply devices, based on the output voltage values measured by the voltage measuring part when the plurality of voltage transducers have the same step-up ratio, to thereby automatically determine the power-supply devices connected thereto.

Abstract: Aspects and embodiments described herein are directed to power interface devices and methods. In one aspect, a method for controlling a microgrid is provided. The microgrid includes a power interface device coupled to one or more microgrid elements comprising power sources and loads. The method includes determining, by the power interface device, a mode of operation of the microgrid, determining a power load of the one or more microgrid elements, and based on the mode of operation of the microgrid and the power load of the one or more microgrid elements, adjusting, by the power interface device, a frequency of a voltage of the power interface device to control the one or more microgrid elements.

Abstract: A method used for an induction type power supply system, for detecting whether an intruding metal exists in a power transmission region of the induction type power supply system, includes interrupting at least one driving signal of the induction type power supply system to stop driving a supplying-end coil of the induction type power supply system; detecting an attenuation status of a coil signal on the supplying-end coil when driving of the supplying-end coil is interrupted; and determining whether the intruding metal exists in the power transmission region of the induction type power supply system according to the attenuation status of the coil signal.

Abstract: Methods of operating an automatic transfer switch (ATS) include detecting a first transition of an auxiliary contact set mechanically linked to a switch that selectively couples first and second AC power sources to an output of the ATS, determining a transition duration based on the detected first transition and a first assertion time of a first command for the first transition, identifying a second assertion time based on the determined transition duration, and asserting a second command for a second transition of the switch at the identified second assertion time.

Abstract: Systems and methods for providing multi-parameter current sharing are described. In some embodiments, a system may include an Information Handling System (IHS) and a plurality of Power Supply Unit (PSU) coupled to the IHS in a parallel configuration, a given PSU configured to: receive an indication of an output current provided by the given PSU and available to the IHS via a power transmission interface; and modify the output current using a current sharing signal calculated based upon two or more parameters of the system.

Abstract: A dual display client apparatus includes a pair of display housings. When physically coupled together in a first mode of operation, the display housings may be arranged as a single portable electronic device such as a clamshell laptop. In this mode, the system is configured to share computing power and other resources among the two housings, providing a more powerful and robust device than when the housings are separated. Processor power and storage capacity may be aggregated in the unitary apparatus. Battery charging and power sharing may be enabled between the devices' power supplies. When decoupled, the separate display housings are configured to each operate as a self-sufficient, standalone computing device. In this mode of operation, applications and other software may be instantiated as shared instance or separate instances, giving the user of each device ultimate flexibility in device operation and content consumption.

Abstract: A system. The system includes a housing, an input port, a plurality of connection ports and circuitry. The input port is surrounded by the housing. The plurality of connection ports are surrounded by the housing. The circuitry is positioned within the housing and is electrically connected to the input port and each of the plurality of connection ports. The circuitry is configured to, for each connection port, supply about 5 volts of electric potential to the connection port, supply optimal amperes of current to an electrical device connected to the connection port, and provide protection from at least one fault condition. The optimal amperes of current is specific to the electrical device.

Abstract: Aspects of the present disclosure provide techniques for accurately determining maximum and minimum power capping values that may be used to increase power use efficiency (PUE) and reliability of a computing environment (e.g., a data center comprising one or more servers).

Abstract: A lighting circuit includes a controllable electronic device in series with a power terminal of a controller, wherein operation of a switch causes the controller to maintain the electronic device conductive, whereby the controller then remains powered; and wherein the controller responds to a subsequent operation of the switch to render the electronic device nonconductive, whereby the controller is then unpowered even when electrical power is received. The lighting circuit is suitable for use, e.g., in a portable or other battery powered light.

Abstract: A direct current (DC) power distribution system is provided. The system includes a plurality of DC power sources, a ring bus, and a plurality of power converters. Each DC power source of the plurality of DC power sources is coupled to the ring bus by a respective power converter of the plurality of power converters.

Abstract: Systems and methods for coordinating selective activation of a multiplicity of emergency power generation equipment over a predetermined geographic area for distribution and/or storage to supply a microgrid of electrical power for a substantially similar geographic area.

Abstract: A method and system are provided for managing wireless collaborative charging between at least two mobile devices that include a first mobile device and a second mobile device. The method includes monitoring power usage for at least one of the at least two mobile devices. The method further includes predicting power requirements for at least one of the at least two mobile devices. The method also includes authorizing wirelessly sending power from the first mobile device to the second mobile device based on at least one of the power usage and the power requirements.

Abstract: A method and device for registering electrical consumption and generation in an energy management network has at least one energy management unit, and, in a power distribution system, a number of electrical consumers or consumer groups and a number of generators are interconnected with the aid of assigned components in the form of switching elements and energy meters, which are influenced or analyzed by the energy management unit, as a function of the purchase price and the feed-in remuneration.

Abstract: Systems of networking power management systems are disclosed, wherein the systems receive control parameters from a control terminal and bring about demand response, curtailment, and other load management actions. One control terminal may be used to control many zones in different ways, and the load management actions may be automated to improve efficiency and predictability of the results of demand response actions. Some of the systems may be mobile and connectable to different sites in the network to respond to changing needs in the utility distribution grid. Large demand response requirements may be distributed among multiple sites or systems in order to encourage and enable participation in demand response programs by customers that would not traditionally be able to do so because of not being able to produce sufficient demand response results individually.

Abstract: A power supply system supplies power from a plurality of vehicles to an external electrical apparatus. When power is supplied, the plurality of vehicles can select one of a generated-power supply mode, in which an engine is driven and a charged-power supply mode in which the engine is not driven. The power supply system includes a control unit that controls power to be supplied from the plurality of vehicles and, when power is supplied to the electrical apparatus, performs control so that the charged-power supply mode is selected for at least one of the plurality of vehicles that are power supply sources.

Abstract: Motor vehicle is provided with a first onboard power supply with a first voltage source which provides a first onboard power supply voltage and with a second onboard power supply with a second voltage source which provides a second onboard power supply voltage different from the first onboard power supply voltage, wherein the two onboard power supply voltages are direct-current voltages, wherein at least one power supply isolating device connects a connection point of the first onboard power supply and a connection point of the second onboard power supply, wherein the power supply isolating device includes at least one semiconductor device, wherein the power supply isolating device has a reverse direction and a forward direction, and wherein the forward direction of the power supply isolating device is directed from the first onboard power supply into the second onboard power supply.

Abstract: A power conversion system includes an isolating transformer (30) and an output-controlling device (40). The isolating transformer (30) includes a primary winding (310) and a plurality of secondary windings (320a˜320d) coupled with the primary winding (310), and the isolating transformer (30) has a plurality of coupling distances between the secondary windings (320a˜320d). The output-controlling device (40) includes a controller (420) and a plurality of output-controlling modules (400a˜400d), wherein each one of the secondary windings (320a˜320d) is electrically connected to one of the output-controlling device (400a˜400d). The controller (420) places at least one output-controlling device (400a˜400d) in a conducting state for output a rectified power. An amount of the secondary windings (320a˜320d) coupled with the primary winding (310) is modulated for varying a leakage inductance of the power conversion system.

Abstract: A multiple output DC-DC converter comprises a transformer, a primary circuit, a plurality of secondary circuits, and a controller. The transformer has a primary and at least one secondary winding. The primary circuit connects to a DC power supply source and includes the primary winding of the transformer and a primary switch connected in series. The plurality of secondary circuits includes the at least one secondary winding of the transformer, wherein each secondary circuit provides a DC power supply output, and at least one of the secondary circuits has a secondary switch. The controller monitors an output signal of each secondary circuit and controls operation of the primary and secondary switches based on the monitored signals. The controller co-ordinates operation of the secondary switch with the primary switch, such that the primary switch and the secondary switch are switched on simultaneously, or with a controlled offset.

Abstract: A power management system includes an electrical power supply input configured to be coupled to an electrical power supply, a first power supply bus bar coupled to the power supply input, a power management device coupled to the first power supply bus bar, at least one primary electrical equipment including a primary load being coupled in parallel to the power management device, and at least one secondary electrical equipment including a secondary load being coupled in parallel to the power management device. The power manager device is configured to supply electrical power to the at least one secondary electrical equipment, to supply electrical power to the at least one primary electrical equipment, and to deactivate the power supply to the at least one secondary electrical equipment, as long as the at least one primary electrical equipment is supplied with electrical power.

Abstract: Systems and methods for distributed control and energy management of one or more communities of energy-consuming units may include aggregation of consumption data from units, and determining per-unit electricity consumption based thereon, including consumption of backup power provided by a community during periods of time of poor quality (brownouts) or blackouts of a utility. A system may calculate and assess to respective units per-unit costs for such backup power. A system may also issue a command or alert to units to carry out one or both of community electricity usage objectives and electricity quotas required by the utility, which may be determined through execution of rules.

Abstract: A system and method for controlling a voltage from both a PV array and a battery source received by a common PV inverter includes a PV module configured to generate a DC output from received solar irradiation and a DC storage device configured to supply a DC output. The system further includes a power inverter configured to invert the DC output from the PV module and the DC output from the DC storage device to an AC output. The power inverter includes a first input electrically coupled to the PV module to receive the DC output therefrom; and a second input electrically coupled to the DC storage device to receive the DC output therefrom. The system further includes a controller configured to selectively control the inversion of the DC output from the PV module and selectively control the inversion of the DC output from the DC storage device.

Abstract: Disclosed is system, apparatus and method for centralized management of security inspection devices, which provide connection and communication between local security inspection devices and a remote control site according to bus communication scheme. The system comprises: a plurality of security inspection devices arranged on the spot; a remote control site arranged at a remote side; and a field bus network connecting the plurality of security inspection devices with the remote control site and transmitting signals between the plurality of security inspection devices and the remote control site according to bus communication scheme. With implementations of the present invention, correct and reliable centralized management of local security inspection devices from the remote control site can be achieved with less signal lines and simpler layout of the lines.

Abstract: A storage battery control apparatus includes: a storage battery state detection unit which obtains a remaining SOC which is an SOC of a storage battery at the start of a supply and demand control period; an offset power value determination unit which determines an offset power value that is a power value indicating charge or discharge; an adjustment instruction value obtainment unit which obtains an adjustment instruction value indicating a state of charge and discharge of the storage battery; and a charge and discharge control unit which performs control of discharging power from the storage battery to the grid or charging power from the grid to the storage battery, the power having a magnitude of a first power value which is a power value obtained by adding the offset power value to the adjustment instruction power value indicated by the adjustment instruction value.

Abstract: An active charge equilibrium system for lithium battery pack consists a lithium battery pack composed of connecting multiple cells in series, including a multiplex module, control module and multiple equilibrium control module, which each segment of the cells are connected to the multiplex module in sequence, a voltage signal is converted into a digital signal via the control module to compare the voltages of the cells and select the cell with lower voltage. Further, the control module enables the equilibrium control module corresponding to the cell with the lower voltage to work. A pulse width modulator adjusts the output pulse width according to output current and voltage signal from a signal feedback module for controlling current and voltage to charge the cell. As the voltage of the cell reaches a constant current first and a constant voltage second, the control module turns off said equilibrium control module.

Abstract: An apparatus and method for preparing a plant tissue medium are disclosed, the method comprising preparing a plurality of compounds in vessels; positioning a dispensing unit including a plurality of nozzles in communication with the plurality of vessels over an interior of a mixing container; dispensing predetermined amounts of at least one of the liquid compounds through one of the plurality of nozzles into the mixing container wherein the predetermined amounts are controlled by an electronic controller; positioning the dispensing unit in a second position; and sterilizing the mixing container containing the dispensed liquid compounds.

Abstract: An electric power retail management apparatus according to an embodiment includes a power generation source selection unit. The power generation source selection unit selects, as a power generation source for supplying electric power corresponding to an amount of electric power supplied to each of electric power consumers, one or more power generation sources of which one or more types are selected by each of the electric power consumers from among a plurality of power generation sources for each electric power consumer on the basis of an amount of electric power supplied from the power generation sources.

Abstract: A forward-based power conversion apparatus is provided. When the forward-based power conversion apparatus supplies a plurality of (at least two of) output voltages to a load, a reverse voltage, corresponding to a lower output voltage, of a secondary winding of a transformer is captured through an equipped output auxiliary unit, so as to assist an output of a higher output voltage. Accordingly, compared to that described in the related art, the reverse voltage of the secondary winding of the transformer described herein can be converted into an effective power output, so that overall power loss of the power conversion apparatus can be reduced, and conversion efficiency of the power conversion apparatus can be improved.

Abstract: The present invention relates to a lamp control device of a construction machine and a lamp control method therefor, wherein the control of a plurality of lamps (for example: a working lamp, a deck lamp, a cabin lamp and a rear lamp) which are provided in a construction machine can be carried out by a first key input means which is a single typical switch button and a second key input means which is provided with a plurality of sub-setting keys such that unnecessary switches are removed from the inside of a cabin, thereby providing a more convenient and simplified equipment operation environment for workers.

Abstract: Systems and methods for coordinating selective activation of a multiplicity of emergency power generation equipment over a predetermined geographic area for distribution and/or storage to supply a microgrid of electrical power, and automatic, selective disconnect any of the at least one power generator from providing power supply to the microgrid or wider area grid.