Abstract: This invention concerns a method and apparatus for coordinating energy distribution over a local energy network having at least one generator and a plurality of systems requiring an energy supply for operation, each system in the local network being connected to the at least one generator and/or another system in the network for distribution of energy there-between. An agent for each respective one of the generator and systems has a data store, a data processor and a data transmitter and receiver for transmission and receipt of data communication with one or more of the other agents. The data processor of each agent is programmed to recognize a predetermined communication sequence having a plurality of ordered data communication steps required to initiate supply of energy between the generator or system of said agent and the generator or system associated with another agent. Each communication sequence is assigned a future time period for which the energy supply is to be enacted.

Abstract: A method of aggregated virtual power plant (VPP) control includes receiving control variable values. The control variables are received for control variables related to energy production and loads of devices electrically coupled to an electrical grid and communicatively coupled to the VPP controller server. The method includes inputting the control variable values into an objective algorithm. The method may include executing the objective algorithm. Executing the objective algorithm includes adjusting energy loads and energy production of prosumers, adjusting an energy amount supplied from a supply side for multiple time intervals, and adjusting curtailment of the energy loads in the prosumers based thereon. The method includes generating a VPP DR event schedule and communicating it to VPP client servers. The VPP DR event schedule includes control signals that are configured to affect an operating condition of the devices that are controlled by the VPP client servers.

Abstract: Systems and methods for an in-vehicle base station are described. In one embodiment, a method is disclosed, comprising: permitting a mobile device to attach to the mobile base station; attaching, at the mobile base station, to a macro cell for providing backhaul to the mobile device using the mobile base station for access; receiving a first tracking area code from the macro cell; transmitting a second tracking area code to the mobile device, the second tracking area code corresponding to a tracking area managed by a coordinating node; detecting, at the mobile base station, a transition from a stationary state to a moving state of the mobile base station; and sending a tracking area update message to a core network to transition to the tracking area managed by the coordinating node.

Abstract: The present invention relates to a method for operating an electrical power system, comprising at least one wind turbine generator and at least one other power source, the method comprises the steps of, setting a set of technical requirements and limits for the electrical power system, including a total power reserve and at least one of: maximum electrical frequency deviation and allowable wind power electrical frequency fluctuations, distributing the total power reserve between the at least one other power source and a total wind power capacity available from the at least one wind turbine generator, and calculating in response thereto an amount of power reserve from the at least one wind turbine generator, and providing settings for a wind power controller, the settings comprising the set of technical requirements and the amount of power reserve from the at least one wind turbine generator. The invention also relates to a power plant operating according to the method.

Abstract: A method and apparatus for power converter current control. In one embodiment, the method comprises controlling an instantaneous current generated by a power converter such that that power converter appears, from the perspective of an AC line coupled to the power converter, as a virtual AC voltage source in series with a virtual impedance, wherein real and reactive phasor currents for the power converter are indirectly controlled by modifying amplitude and phase of a virtual AC voltage waveform that defines the virtual AC voltage source.

Abstract: A facility is connected to an electricity utility and includes a plurality of control computer controlled devices and a plurality of devices that is uncontrolled by control computers. An operational status of each of the control computer controlled devices is monitored by a server. The facility has a power meter that provides data representing actual power consumption to the server which is connected via a network to the control computer. The server is configured to determine power consumption of each device in the plurality of controlled devices from operational status data and power consumption data.

Abstract: Lighting units, systems, and methods are described herein for determining whether occupancy detections are legitimate or not. Methods and systems are further described herein for powering down a network of power over ethernet (PoE) components.

Abstract: The disclosed embodiments provide a system that configures a graphics-processing unit (GPU) in a computer system. During operation, the system predicts an incoming workload to the GPU. Next, the system identifies an operational floor for the GPU based on the incoming workload. Finally, the system uses the operational floor to configure the subsequent execution of the GPU, wherein the operational floor facilitates processing of the incoming workload by the GPU.

Abstract: A power system is provided for a machine, such as a marine or petroleum drilling vessel. The power system may have a plurality of power sources, each with an operating range divided into a plurality of power zones. The power system may also have at least one power consumer driven by the plurality of power sources, a load manager associated with the at least one power consumer and configured to create a load demand for the plurality of power sources, and a controller in communication with the load manager and the plurality of power sources. The controller may be configured to determine a current operational mode of the power system, and to selectively cause the plurality of power sources to operate in particular zones of the plurality of power zones based on the current operational mode and the load demand.

Abstract: An apparatus for measuring impedance for fuel cell diagnosis may include: a current measurement unit configured to measure a current flowing to a load from a fuel cell stack; a voltage measurement unit configured to measure a voltage of the fuel cell stack; and a calculation unit configured to monitor a variation of the current measured through the current measurement unit, perform a frequency analysis operation at each sampling while sampling the current and voltage of the fuel cell stack, and calculate impedance based on the analyzed voltage and current of the fuel cell stack.

Abstract: An example power distribution system includes a relay moveable to a position that holds at least one contactor closed. The relay is moved to the position in response to an alternate source powering a power distribution system rather than a main source powering the power distribution system.

Abstract: An energy system includes renewable energy sources each including an inverter. The renewable source inverters are coupled to a distribution line in a manner wherein power combines additively. The system also includes an energy storage source including an energy storage inverter coupled to the distribution line between the point of interconnection and the renewable source inverters. Finally, a control system is structured to: (i) control a voltage at the point of interconnection by controlling a renewable source reactive power output by the renewable source inverters and an energy storage reactive power output by the energy storage inverter, and (ii) provide power ramp rate control for the renewable energy system by controlling at least one of a renewable source real power output by each of the renewable source inverters and a first energy storage real power output by the energy storage inverter.

Abstract: A method for controlling an uninterruptible power supply (UPS) having a polyphase power input and an input power circuit coupled to the polyphase power input includes determining to reduce a load on a first phase of the polyphase power input, and in response thereto, controlling the input power circuit to reduce a first input current drawn from the first phase by a first amount and increase a second input current drawn from a second phase of the polyphase power input by a second amount. The UPS may determine to reduce the load on the first phase in response to a request from a smart grid to reduce the load on the first phase or in response to a local determination to reduce the load on the first phase.

Abstract: A power management apparatus (120) includes management information storage unit (121) capable of storing a condition under which each consumer management apparatus (100) receives power (first condition) and a condition under which each consumer management apparatus (100) supplies power (second condition), power control unit (123) for supplying or received power to or from the consumer management apparatuses (110), and information control unit (122) for controlling the consumer management apparatus (110) and power control unit (123). Each consumer management apparatus (110) includes a distributed power supply (111), a load (112), and control unit (113) that controls the distributed power supply 112.

Abstract: A photovoltaic power plant includes solar cells and inverters that convert direct current generated by the solar cells to alternating current. The reactive powers generated by the inverters are based on a reactive power generated by a virtual inverter. The virtual inverter has an equivalent impedance representing the impedances of the inverters in the photovoltaic power plant. The reactive power setpoints of the inverters may be received from a local interpreter. The local interpreter may generate the reactive power setpoints from a global reactive power setpoint generated by a grid controller.

Abstract: A power system for providing a grid service to a power grid, said power system comprising: an energy resource controller (ERC) adapted to monitor a state of charge (SOC) of at least one energy storage device (ESD), wherein said energy resource controller (ERC) adjusts in a normal operation mode (NM) a power supplied by the energy storage device (ESD) to said power grid (PG) or a power received by the energy storage device (ESD) from said power grid (PG) in response to grid parameters or remotely generated control signals to stabilize said power grid (PG), wherein if the monitored state of charge (SOC) of said energy storage device (ESD) exceeds an upper state of charge limit (SOC-H) the energy resource controller (ERC) connects in a power absorption mode (PAM) a power absorbing load (PAL) to said power grid as long as the grid parameters or remotely generated control signals indicate that power is to be removed from said power grid (PG).

Abstract: An energy control device, an energy management device, an energy control method, and an energy management system are provided. The energy management system includes the energy management device and the energy control device. The energy management device includes an electric power management unit configured to generate an instruction specifying a supply destination for electric power generated by an electric power generator, and includes a communication unit configured to transmit the instruction to the energy control device. The energy control device includes a power conditioner configured to distribute the electric power to the supply destination based on the instruction, and includes a control unit configured to control an operation of the power conditioner.

Abstract: Embodiments are directed to a computer-implemented method, computer system, and computer program product of forecasting power generation. The method includes analyzing a set of historical power generation data. Thereafter a set of clusters is determined wherein each cluster of the set of clusters represents power generated during the time period. Then receiving actual power generation data for a portion of the time period. Thereafter, determining which cluster of the set of clusters contains historical power generation data that is most similar to the actual power generation data. Then forecasting power generation for a remainder of the time period, using the historical power generation data of the cluster.

Abstract: A charging apparatus for unmanned aerial vehicles and a charging method thereof. The charging apparatus includes: a transmit coil provided to a charging station and generating a magnetic field; a reception coil generating induced electromotive force according to variation of magnetic flux of the transmit coil; a reception coil adjuster adjusting at least one of an inclination and an orientation of the reception coil; and a controller controlling at least one of the inclination and the orientation of the reception coil by controlling the reception coil adjuster according to magnitude of the induced electromotive force generated in the reception coil by the magnetic field generated in the transmit coil.

Abstract: In accordance with embodiments of the present disclosure, a method may include communicating a first message to an information handling system such that receipt of the first message by the information handling system causes the information handling system to cause a power supply unit integral to the information handling system to experience a perturbation in an electrical current associated with the power supply unit and receiving a second message from a power distribution unit via an outlet integral to the power distribution unit, the second message indicative of a response to the perturbation of a measured electrical parameter of the outlet.

Abstract: Disclosed is a power network system etc. which can safely detach a power router whose communication with a control apparatus becomes interrupted, from other power routers and power cells, the power network system including a second control apparatus controlling one of or plural of the power cells, when the second control apparatus detects abnormality in communication between the apparatus itself and the power router, the second control apparatus performs control so as to stop transmission/reception between the power router in which the abnormality is detected and another power router which is connected to the power router, and when the first control apparatus included in the power router detects abnormality in communication between the power router and the second control apparatus, the first control apparatus performs control so as to stop transmission/reception of the power conversion leg connected to the another power router.

Abstract: A method and system for intelligent demand response by a load controller device connected to a load is provided. Demand response events generated by utilities can generate energy conservation however they can provide demand subpeaks during the event and can impact user comfort. In order to improve the energy profile and user comfort one or more event parameters from the DR event are generated. One or more temperature setpoints of the load controller device are modified to provide smooth setpoint transition between temperature setpoints using the generated one or more event parameters to shape electricity demand of the load to reduce an expected demand subpeak during the DR event. The modified one or more temperature setpoints can be applied at an associated time to control the load.

Abstract: A method and electronic device implementing the same are disclosed herein. The electronic device includes a first communication module, a second communication module, a memory, and at least one processor operatively coupled to the memory. The at least one processor implements the method, including: receiving, via a first communication module, an initial setting request message from an external electronic device through a first communication channel, receiving, via a second communication module security key information from the external electronic device through a second communication channel; and transmitting subscription information for communicating with a network provider to the external electronic device, wherein the first communication channel and the second communication channel have different communication characteristics.

Abstract: A computer-implemented method, a controller, and a Software Defined Network (SDN) perform steps of correlating users based on unique identifiers to service addresses; receiving historical data from associated control area operator for the service addresses; correlating the users' bandwidth usage behavior to the users' power usage behavior; monitoring the users' bandwidth usage over time; characterizing bandwidth usage type for the users with abnormal bandwidth usage patterns; and notifying the control area operator of the users with the abnormal bandwidth usage patterns based on the characterized bandwidth usage type. Accordingly, electric power forecasting by the control area operator can include improved accuracy through correlating the users' bandwidth usage behavior and detecting abnormal conditions.

Abstract: An LED driver apparatus provides discrete output current configuration. User interfaces such as dip switches enable user selection of output current settings. LED driver circuitry includes an inverter, a primary transformer winding coupled to the inverter switches and providing resonant inductance, and a secondary transformer winding coupled on a first end to an output rectifier. Various circuit branches are coupled in parallel between the output rectifier and the secondary winding, each including a switching element driven between open and closed states associated with the user-selected output current setting. The circuit branches may be coupled to respective secondary winding taps, wherein output current is regulated according to an effective turns ratio defined by the closed circuit branch.

Abstract: A system and method to produce an electric network from estimated line impedance and physical line length among smart meter devices is provided using communication between the smart meters. The smart meters: (1) synchronize time using GPS pps signals, which provide an accurate time stamp; (2) send/receive an identifiable signal through the same phase of electric networks; (3) identify other smart meters on the same phase lines by listening to the information signal on the same phase lines; and (4) calculate time-of-arrival of an identifiable signal from other smart meters. The time of arrival information is used to calculate the line length, which is then used to calculate impedance of a line and topology of the electric network. The system then constructs an electric network by combining geo-spatial information and tree-like usual connection information.

Abstract: Customers of shared resources or services can be informed of unusual variations in cost patterns over at least one determined period, in order to prevent those customers from being surprised upon receiving a significantly larger (or smaller) bill than expected. The daily cost (or portions of the daily cost) for a customer can be compared against the previous day's cost to determine a percentage cost variation. This cost variation can be compared against the mean of the percentage daily cost variations over a previous period, such as the last thirty days, to determine whether the variation falls outside a standard deviation (or other such threshold) from the mean. If so, the cost variation can be determined to be unusual, and the customer notified. The variation can be analyzed using daily, weekly, and monthly periods in order to identify unusual accumulations of small variations as well.

Abstract: The invention provides a method for coping with an unintentional islanding of an electrical distribution grid within a Commelec-type framework for the real-time control of micro-grids, of Resource Agents (RA) controlled by Grid Agents (GA), comprising at least maintain at any time before the unintentional islanding occurs a rating of all resource agents controlled by a same grid agent in view of their ability to be a slack resource, by computing the rating based on a power availability and on a state-of-energy of each resource, the state-of-energy quantifying an amount of energy that may be withdrawn from a potential slack irrespectively of a PQ profile, whereby the PQ profile describes bounds for active and reactive power that a resource can inject or absorb; and a shedding list of all the resources that have to be shed if a current best candidate slack resource is selected, the current best candidate slack resource being the slack resource having the best rating of all resources as determined in the step of

Abstract: A mode setting module sets a mode of a smartphone B to an electric power transmission mode or an electric power reception mode based on a state of use of a smartphone A and the smartphone B. An electric power control module allows electric power transmission of electric power transmission and electric power reception when the electric power transmission mode is set, and allows electric power reception of electric power transmission and electric power reception when the electric power reception mode is set.

Abstract: An image forming apparatus having a USB communication function includes a control interface unit to perform USB control communication, a data interface unit to perform USB data communication, and a control unit to perform an event in a low power mode according to a signal input through the control interface unit, and to perform an event in a normal mode according to a signal input through the control interface unit and the data interface unit. Therefore, the low power mode may be effectively implemented.

Abstract: In one aspect, a device includes at least one processor, storage, a power supply unit (PSU) interlace which connects to a PSU and receives power from the PSU, and a power module (PM) including a power in interface for receiving power from at least one computer and a power out interface for providing power to at least one computer.

Abstract: An automated banking machine operates responsive to data read from data bearing records corresponding to authorized user or financial account data. The automated banking machine includes a card reader for reading data from user cards. The automated banking machine causes financial transfers related to financial accounts that correspond to data read from user cards. The automated banking machine also includes devices that control the supply of power to transaction function devices such as the card reader to avoid exceeding power supply capacity.

Abstract: A power delivery device including a microcontroller configured to emulate a compatible device to negotiate power delivery from an on demand power serial interface in a power source device, wherein the compatible device is configured to communicate with the power source device using a high speed protocol, and provide the delivered power to a target device, wherein the target device is incompatible with the on demand power serial interface of the power source device.

Abstract: Systems and methods are provided for managing power to devices in a network, using a centralized power allocation controller. The method of managing power consumption of a plurality of devices includes receiving scheduled upcoming calendar events and/or activities from one or more of a plurality of devices connected in a network. The method further includes centrally managing power consumption of a device of the plurality of devices in the network based on the scheduled upcoming calendar events and/or activities.

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: Embodiments are directed to devices, systems and methods for improving the efficiency at which problem areas are identified and prioritized for an existing large, multi-module software system. In some embodiments, a workload mapper generates workload maps that identify the intersection between defect risk scores accumulated for various modules and a log of the modules that are accesses by a given workload. A graphical user interface (GUI) provides the ability to sort, search, compare and display the workload maps against various sort, search and/or compare criteria.

Abstract: A method and apparatus for detecting cyber attacks on remotely-operable elements of an alternating current distribution grid. Two state estimates of the distribution grid are prepared, one of which uses micro-synchrophasors. A difference between the two state estimates indicates a possible cyber attack.

Abstract: An electric power grid control system is provided with: distributed generators connected to an electric power grid; and voltage measurement units that measure voltage at connection points of the distributed generators to the electric power grid. When voltage at a connection point to the electric power grid deviates from a predetermined acceptable range, a centralized control device equally allocates a voltage adjustment amount for returning the voltage to the acceptable range to all distributed generators belonging to a predetermined group that was set in advance. Distribution processing devices cause the distributed generators to adjust voltage at the connection points in accordance with the voltage adjustment amount allocated from the centralized control device.

Abstract: A method and apparatus for controlling energy supply to energy consuming devices are provided. The method includes acquiring a first amount of energy to be used in at least one energy consuming device, determining the amount of energy stored in an energy storage, and optionally transmitting an energy supply request message to an energy supplier based on the amount of energy to be consumed in an energy consuming device and the amount of stored energy.

Abstract: A device and method for limiting peak current draw in an electronic device includes identifying an operational state of the electronic device, and accessing data stored in the electronic device, the data including possible operational states of the electronic device and respective configuration data for maintaining an electric current consumption of the electronic device below a prescribed threshold. Operational parameters of the electronic device are modified based on the data obtained from memory to maintain the electric current consumption of the electronic device below the prescribed threshold.

Abstract: A system for guiding a user through a procedure corresponding to installing a battery in a UPS that is associated with the system. The system includes at least one programmed processor embedded within the UPS. The programmed processor is configured to retrieve at least one stored procedure corresponding to installing the battery in the UPS including at least one step to be performed by the user. The system further includes at least one device embedded within the UPS to provide information regarding a status indicator of the battery of the UPS. The programmed processor and the device are operatively coupled such that the programmed processor receives at least a portion of the information of the battery from the device. The system further includes a user interface forming part of the UPS. The user interface is coupled to the programmed processor for displaying the step of the stored procedure.

Abstract: According to one embodiment, the first path is configured to continuously supply power from a battery to a first component to which power needs to be continuously supplied. A second path is configured to supply the power from the battery to a second component other than the first component. A setting module is configured to set an operation mode of the battery to a discharge-off mode. A determination module is configured to determine whether a state of the battery satisfies a predetermined condition when the operation mode of the battery is set to the discharge-off mode. A controller is configured to shut off the second path when the determination module determines that the condition is satisfied.

Abstract: A plurality of controllers, each coupled to a plurality of outlets, compare values assigned to characteristic parameters or “process variables” against at least one control value on the process variable. The values for the process variables are derived from at least one signal provided to corresponding controllers. At least one of the outlets at each controller is configured to selectively provide an electrical voltage from an input voltage in accordance with the comparison of the process variable values and the control value. Remotely accessible controls may be stored at the controllers which may be retrieved through respective network interfaces at the controllers. A remote processor may use the retrieved controls to remotely specify, such as over a communication network, the control values.

Abstract: A control apparatus includes: a target value obtaining unit obtaining a total target value of power to be discharged from storage batteries; an SOH obtaining unit obtain information on a state of health for each of the storage batteries; a charge control unit determining how the power of the total target value is divided among and discharged from each of the storage battery. The charge control unit (i) compares the state of health of a first storage battery and the state of health of a second storage battery, and, in the case where the state of health of the second storage battery is higher than the state of health of the first storage battery, (ii) discharges from the second storage battery second power lower than first power which is discharged from the first storage battery.

Abstract: Certain embodiments of the invention may include systems and methods for controlling power ramp rates in renewable variable power generation systems. According to an exemplary embodiment of the invention, a method is provided for limiting power ramp rates. The method can include regulating collective power output of a plurality of variable energy sources by monitoring collective power output of the plurality of variable energy sources, and controlling collective power output of the plurality of variable energy sources with the plurality of power control signals.

Abstract: A smart grid management system and method where aggregators do not need to have knowledge about the topology of the electricity grid, the physical location of the end-points they control, or the congestion level of the grid. Instead, the smart grid system and method provides maximum freedom of operation to the aggregators to balance electricity supply and demand in such a way that the danger is reduced or it is even impossible for the aggregators to endanger voltage levels at the distribution system operator (DSO) level or the capacity levels at the transmission system operator (TSO) level. The distribution system operator is allowed to block, interrupt, or change the communication between aggregator and device based on a dual stage-gate control.

Abstract: An apparatus and a method for wireless power reception are provided. A wireless power receiver includes a receiving unit configured to wirelessly receive a power. The wireless power receiver further includes a power consuming unit configured to consume the power, until a voltage applied to a load reaches a predetermined value, so that an amount of a power transferred from the receiving unit to the load is less than or equal to an initial accommodation power amount of the load.

Abstract: According to an embodiment, a power control device includes a storage unit, a monitor, a determining unit, and a controller. The storage device stores a look-up table, which includes relationship between needed power consumptions and start-up conditions of an electronic device including a plurality of modules. The start-up condition of the electronic device is determined from the needed power consumption in the look-up table and specifies a power on/off status of the modules in the electronic device. The monitor monitors a voltage or available power supplied by a power source when the electronic device is activated. The determining unit determines a start-up condition corresponding to needed power consumption, which corresponds to the voltage or available power monitored by the monitor, with reference to the table. The controller sets a start-up condition of the electronic device to start up the electronic device in the start-up condition determined by the determining unit.

Abstract: In one embodiment, the locations of a plurality of network devices in a low power and lossy network (LLN) are determined along an intelligent wire. One or more neighboring devices for each network device in the plurality are identified based on the locations of the network devices along the intelligent wire. A communication schedule for the network devices is determined that prevents neighboring devices along the intelligent wire from transmitting on the same frequency. The network devices are assigned to communication time slots based on the communication schedule. The network devices are also assigned frequency offsets based on the communication schedule.

Abstract: A battery system comprises at least two modules which include a plurality of battery cells, with each module being associated with a cell voltage detection unit which is connected to a central controller via a common communication bus. Each module additionally includes a module voltage detection unit which is connected to the central controller and is configured to separately detect the voltage of the associated module.