Power Supply Regulation Operation Patents (Class 700/297)
  • Patent number: 10310591
    Abstract: A method comprises receiving, by a computing device, a desired usage plan for a plurality of user devices associated with a group of users; determining, by the computing device, whether an amount of power available across the plurality of user devices is sufficient to implement the desired usage plan; generating, by the computing device and based on the amount of power available across the plurality of user devices for the desired usage rules, usage rules that allocate the usage of the plurality of the user devices by each user in the group of users; and outputting to the plurality of user devices, the usage rules to cause the plurality of user devices to limit the usage of the plurality of user devices by each user in the group of users based on the allocation.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: June 4, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: James E. Bostick, John M. Ganci, Jr., Martin G. Keen, Sarbajit K. Rakshit
  • Patent number: 10293699
    Abstract: A remote smart-power server receives reservation data indicating parameters for a planned vehicle use, such as pick-up time, pick-up location, and drop-off time. Systems of the present technology are in various embodiments used in connection with electric vehicles. The server interacts with a smart-powering station system to determine available vehicles at the location, including vehicles having sufficient charge, or chargeable to sufficient charge by the pick-up time. The server presents available vehicles to a user device and receives selection of a preferred vehicle. The server sends the selection to the smart-powering station, which implements a charging sequence to ensure the preferred vehicle is charged as needed for the planned vehicle use. Charging is in various implementations performed automatically, such as by computing controls and robotic machinery.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: May 21, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Xiang Zhao, Jiangling Du, Susan M. Smyth
  • Patent number: 10291031
    Abstract: The invention falls within the technical field associated with methods for controlling power fluctuation ramps using energy storage systems in plants for intermittent energy generation, wherein said method reduces the size of the energy storage system necessary to fulfill the requirement of a maximum power fluctuation ramp, by means of a step of imposing a maximum power variation ramp by imposing the dynamic component of the ramp, defined as the gradient according to which the power of the plant is varied in each control cycle in accordance with the state of charge of the energy storage system (SOC).
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: May 14, 2019
    Assignee: ACCIONA ENERGIA, S.A.
    Inventors: Maria Asuncion Padros, Daniel Rabal, Inigo Berazaluce, David Cuesta, Luis Marroyo, Javier Marcos
  • Patent number: 10289081
    Abstract: A system to manage a power grid includes one or more storage and generator devices coupled to the power grid; and a decentralized management module to control the devices including: a module to perform decentralized local forecasts; and a module to perform decentralized device reconfiguration.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: May 14, 2019
    Assignee: NEC Corporation
    Inventors: Ali Hooshmand, Ratnesh Sharma, Ceyhun Eksin
  • Patent number: 10283992
    Abstract: An energy management system includes a power supply module, a charging module, an interface module and an energy management module. The power supply module provides an input power. The charging module generates, based on the input power, a first charge power and a second charge power in response to a first charge control signal and a second charge control signal. The interface module detects electrical energy stored in an energy storage device to generate a detection result. In response to the detection result, the energy management module determines an operating state of the energy storage device, and generates one of the first and second charge control signals.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: May 7, 2019
    Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corp.
    Inventors: Ming-Tsung Hsieh, Yi-Chao Fan, Po-Jung Tseng, Shang-Jin Yan, Yu-Kang Lo
  • Patent number: 10234511
    Abstract: Systems and methods for optimal sizing of one or more grid-scale batteries for frequency regulation service, including determining a desired battery output power for the one or more batteries for a particular period of time. A battery size is optimized for the one or more batteries for the particular period of time, and the optimizing is repeated using different time periods to generate a set of optimal battery sizes based on at least one of generated operational constraints or quality criteria constraints for the one or more batteries. A most optimal battery is selected from the set of optimal battery sizes.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: March 19, 2019
    Assignee: NEC Corporation
    Inventors: Ali Hooshmand, Ratnesh Sharma
  • Patent number: 10234510
    Abstract: The present invention relates to a state of charge (SOC) management system of an energy storage device, the system comprising at least one energy storage device, wherein the SOC management system of the energy storage device manages SOC of the energy storage device by performing P-f (active power-frequency) droop control on the basis of a droop coefficient, a reference frequency, and a dead band, which determine the output of each energy storage device.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: March 19, 2019
    Assignee: HYOSUNG HEAVY INDUSTRIES CORPORATION
    Inventors: Geon Ho An, In Sun Choi, Dong Jun Won, Jin Young Choi, Sang Ji Lee
  • Patent number: 10230264
    Abstract: An emergency lighting power supply includes a rechargeable battery; ballast circuitry configured to supply power to an external light, battery charging circuitry configured to charge the battery, and a controller. The controller determines an amount of time the rechargeable battery has discharged to supply power, via the ballast circuitry, to the external light. If the amount of time is less than a threshold, the controller causes the battery charging circuitry to supply a first current to charge the battery for a first charging period that is proportional to the amount of time, and causes the battery charging circuitry to supply a second current to charge the battery subsequent to the end of the first charging period.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: March 12, 2019
    Assignee: Thomas & Betts International LLC
    Inventors: Camille Descarries, David Perreault
  • Patent number: 10153688
    Abstract: A power system and method for performing a blackstart on a microgrid. The power system includes at least a first power converter and a second power converter. The first power converter comprises a first controller having a plurality of startup sequences for performing the blackstart. The second power converter is electrically coupled to the first power converter at a point of common coupling. During the blackstart, the first controller is configured to select and perform one of the plurality of startup sequences according to a point at which the second power converter is within the second power converter's startup sequence during the blackstart. The first controller selects the one of the plurality of startup sequences according to a microgrid voltage at the point of common coupling.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: December 11, 2018
    Assignee: DYNAPOWER COMPANY LLC
    Inventor: Apurva Somani
  • Patent number: 10122170
    Abstract: A method (3000) of load adjustment sharing for a space (100) including a first zone (110) and a second zone (120), and a control unit (10) for a load adjustment sharing system (1) are provided. The method comprises the steps of receiving (301) information (130) related to a load adjustment for the space, and receiving (302) environment information (113) about the first zone and environment information (123) about the second zone. Further, based on the environment information about the first zone, the environment information about the second zone and the information related to the load adjustment for the space, a load adjustment share (114) for the first zone and a load adjustment share (124) for the second zone are determined. The present invention may be utilized in buildings including a plurality of zones. The present invention is advantageous in that the load adjustment sharing is intelligently adapted to the environment circumstances in the different zones.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: November 6, 2018
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Yao-Jung Wen, William Woody Delp
  • Patent number: 10116141
    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.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: October 30, 2018
    Assignee: ROLLS-ROYCE plc
    Inventors: Peter Swann, Armin Stranjak
  • Patent number: 10103550
    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.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: October 16, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Kiyoshi Nakayama, Wei-Peng Chen
  • Patent number: 10097958
    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.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: October 9, 2018
    Assignee: Parallel Wireless, Inc.
    Inventors: Murali Talluri, Kaitki Agarwal, Rajesh Kumar Mishra, Sumit Garg
  • Patent number: 10060414
    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.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: August 28, 2018
    Assignee: VESTAS WIND SYSTEMS A/S
    Inventor: Germán Claudio Tarnowski
  • Patent number: 10008854
    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.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: June 26, 2018
    Assignee: Enphase Energy, Inc.
    Inventor: Donald Richard Zimmanck
  • Patent number: 9995594
    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.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: June 12, 2018
    Assignee: SIEMENS INDUSTRY, INC.
    Inventors: Ayman Fawaz, Ned Cox
  • Patent number: 9986624
    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.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: May 29, 2018
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Jurgen Mario Vangeel, Mark Henricus Verberkt, Peter Fitski
  • Patent number: 9984431
    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.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: May 29, 2018
    Assignee: Apple Inc.
    Inventors: Ian C. Hendry, Anthony G. Sumpter
  • Patent number: 9952612
    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.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: April 24, 2018
    Assignee: Caterpillar Inc.
    Inventor: Perry Dwain Converse
  • Patent number: 9948110
    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.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: April 17, 2018
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Robert L. Seagren, Joshua Berg, Dennis Strong, Jomar Avancini Rocha
  • Patent number: 9945911
    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.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: April 17, 2018
    Assignee: Hyundai Autron Co., Ltd.
    Inventor: Tae Hong Min
  • Patent number: 9941700
    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.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: April 10, 2018
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Vijay Bhavaraju, Qiang Fu, Yakov L. Familiant, Christopher S. Thompson
  • Patent number: 9923413
    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.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: March 20, 2018
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventor: Gorm Gamborg
  • Patent number: 9915927
    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.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: March 13, 2018
    Assignee: NEC Corporation
    Inventor: Noriaki Kobayashi
  • Patent number: 9912161
    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.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: March 6, 2018
    Assignee: SunPower Corporation
    Inventors: Seshadri Sivakumar, Jiyong Lian
  • Patent number: 9899839
    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).
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: February 20, 2018
    Assignee: CATERVA GMBH
    Inventors: Roland Gersch, Markus Brehler
  • Patent number: 9866024
    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.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: January 9, 2018
    Assignee: SONY CORPORATION
    Inventors: Masakazu Ukita, Asami Yoshida, Shiho Moriai, Masanobu Katagi
  • Patent number: 9857778
    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.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: January 2, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Ildar Khabibrakhmanov, Tarun Kumar, Mark A. Lavin, Rui Zhang
  • Patent number: 9855852
    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.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: January 2, 2018
    Assignee: Korea Railroad Research Institute
    Inventors: In Ho Cho, Shin Myung Jung, Yong Jang Kwon, Byung Song Lee
  • Patent number: 9852485
    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.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: December 26, 2017
    Assignee: Dell Products L.P.
    Inventors: Lei Wang, Mehran Mirjafari, John J. Breen, Ralph H. Johnson, III
  • Patent number: 9837819
    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.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: December 5, 2017
    Assignee: NEC Corporation
    Inventors: Kiyohisa Ichino, Noriaki Kobayashi
  • Patent number: 9820145
    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.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: November 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su Hyun Kim, Hyuk Kang, Ju Ah Lee, Jun Hak Lim, Young Jae Choi
  • Patent number: 9817417
    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.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: November 14, 2017
    Assignee: Energate Inc
    Inventors: Jorge Deligiannis, Juan Diaz
  • Patent number: 9806973
    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.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: October 31, 2017
    Assignee: Ciena Corporation
    Inventors: Aung Htay, Paul Hudgins, Mallikarjunappa Kore
  • Patent number: 9807830
    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.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: October 31, 2017
    Assignee: UNIVERSAL LIGHTING TECHNOLOGIES, INC.
    Inventors: Wei Xiong, John Helms
  • Patent number: 9793950
    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.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: October 17, 2017
    Assignee: UTOPUS INSIGHTS, INC.
    Inventors: Aanchal Goyal, Aleksandr Y. Aravkin, Younghun Kim, Tarun Kumar
  • Patent number: 9779431
    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.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: October 3, 2017
    Assignee: Amazon Technologies, Inc.
    Inventor: Manjul Sahay
  • Patent number: 9774191
    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
    Type: Grant
    Filed: September 6, 2015
    Date of Patent: September 26, 2017
    Assignee: ECOLE POLYTECHNIQUE FÉDÉRALE DE LAUSANNE (EPFL)
    Inventors: Mario Paolone, Jean-Yves Le Boudec, Andrey Bernstein, Lorenzo Enrique Reyes Chamarro
  • Patent number: 9762076
    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.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: September 12, 2017
    Assignee: KYOCERA Corporation
    Inventor: Masatoshi Nonogaki
  • Patent number: 9736326
    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.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: August 15, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Ho-beom Park, Sung-uk Bin
  • Patent number: 9727108
    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.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: August 8, 2017
    Assignee: Lenovo (Singapore) Pte. Ltd.
    Inventors: Justin Potok Bandholz, Paul Artman
  • Patent number: 9710796
    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.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: July 18, 2017
    Assignee: Diebold Self-Service Systems, Division of Diebold, Incorporated
    Inventors: Songtao Ma, Eric Toepke, Mike P. Ryan, Tim Crews, Willis Miller, Nick Billett, Steven Shepley, Dave Krzic, Victor Cogan, Randall W. Jenkins, Thomas D. Ertle, Natarajan Ramachandran
  • Patent number: 9698604
    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.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: July 4, 2017
    Assignee: Western Digital Technologies, Inc.
    Inventor: Musa I. Kakish
  • Patent number: 9692259
    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.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: June 27, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Gregory J. Boss, Andrew R. Jones, P. Daniel Kangas, Kevin C. McConnell, John E. Moore, Jr.
  • Patent number: 9639103
    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.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: May 2, 2017
    Assignee: Causam Energy, Inc.
    Inventors: Thomas Francis Darden, II, James Kevin Szyperski, Joseph W. Forbes, Jr.
  • Patent number: 9632922
    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.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: April 25, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jesse L. Farinacci, Marc A. Martin
  • Patent number: 9621569
    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.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: April 11, 2017
    Inventors: Alexander McEachern, Ronald Hofmann
  • Patent number: 9612584
    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.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: April 4, 2017
    Assignee: NEC CORPORATION
    Inventors: Hisato Sakuma, Koji Kudo, Hitoshi Yano
  • Patent number: 9608446
    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.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: March 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Bin Chang, Geun-Ho Lee, Rakesh Taori
  • Patent number: 9600052
    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.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: March 21, 2017
    Assignee: Sony Mobile Communications Inc.
    Inventors: Ingmar Persson, Magnus Persson, Ola Jönsson, Magnus Tillgren