Limit Control Patents (Class 307/35)
  • Patent number: 10424926
    Abstract: Method for controlling an electric power distribution micro-grid, the micro-grid comprising: an electric coupling node that said micro-grid is electrically disconnectable from an electric power distribution main grid; one or more electric loads, each consuming a corresponding amount of electric power provided by the micro-grid, the electric loads including one or more disconnectable loads electrically disconnectable from the micro-grid; and at least an electric power source including one or more electric power generators.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: September 24, 2019
    Assignee: ABB S.p.A.
    Inventors: Antonio Fidigatti, Enrico Ragaini, Fabio Monachesi, Fabio D'Agostino, Federico Silvestro
  • Patent number: 10396594
    Abstract: A single phase grid correction system for correcting the power factor of an electrical power grid. The grid has a generator, transmission lines connecting the generator to distribution nodes, feeder lines radiating from each node, and groups of consumers connected to each feeder line. A capacitor bank is located at a number of consumer's premises, indoors, either beside or forming part of the consumer's normal single phase electric panel. A set of remotely controlled switches at the consumer's premises permits the capacitor banks to be switched in and out of grid connection and also allows non-essential high energy consuming loads, not necessarily inductive, to be switched on and off the grid. The grid correction systemic are widely distributed at consumer's premises throughout the grid.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: August 27, 2019
    Inventors: Deborah Lynn Fallis, Mischa Warren Beuthling
  • Patent number: 10389612
    Abstract: Systems and methods corresponding to a network monitoring and capacity service for a set of computing devices are provided. The network monitoring and capacity planning service collects individual operation information to determine one or more usage patterns for a set of operations information. Additionally, the network monitoring and capacity service can generate information related to compliance or deviation from the determined usage patterns.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: August 20, 2019
    Assignee: Amazon Technologies, Inc.
    Inventor: Szymon Komendera
  • Patent number: 10378791
    Abstract: A water heater has a tank and at least one heating element. A switch is disposed in an electric circuit between the heating element and a power source so that, if the switch is in a first state, the circuit is in an electrically conductive state and, if the switch is in a second state, the electric circuit is in an electrically non-conductive state. A controller is in operative communication with the switch and is responsive to a key so that actuation of the controller by the key transitions the switch between the first state and the second state.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: August 13, 2019
    Assignee: Rheem Manufacturing Company
    Inventors: Arthur Y. Hinton, Raheel A. Chaudhry
  • Patent number: 10379501
    Abstract: Systems and methods for controlling lab equipment such as transmitters are provided that includes a mini automation controller (MAC). The system provides a control system, user interface, and interfaces, including network interfaces usable for interfacing equipment, MAC, and user interfaces over a network, which provide a variety of functions including automation and monitoring of transmission sequences and receiver events. An exemplary MAC may include an Ethernet controller capable of converting an Ethernet signal to a serial signal. The MAC may also include a receiver monitor section comprising a fiber optic receiver input, a copper cable receiver input, and a monostable multivibrator. In addition to the receiver monitor section, the MAC may have a transmitter control section including a transmitter control pulse and a power output. An exemplary MAC may have a microcontroller coupled to the Ethernet controller, the receiver monitor section, and the transmitter control section.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: August 13, 2019
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventor: David R Emerson
  • Patent number: 10283960
    Abstract: A method and a regulating unit for avoiding overloads for link sections within a power supply system use requirements for loads to determine which link sections can be enabled for loads.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: May 7, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventors: Rainer Falk, Steffen Fries
  • Patent number: 10273625
    Abstract: A retrofit auxiliary laundry device for supporting laundry operations in various makes and models of laundry treating appliances is described wherein the device can monitor appliance health, regulate appliance function, and send the user useful data.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: April 30, 2019
    Assignee: Whirlpool Corporation
    Inventors: Benjamin E. Alexander, Joel M. Sells, Eric J. Schuh
  • Patent number: 10270351
    Abstract: An EMI-radiation suppression circuit is applied to a power converter having a main power switch. The EMI-radiation suppression circuit includes a control unit, a drive selection unit, and a switch unit. The drive selection unit is coupled between the control unit and the main power switch, and which provides at least two drive terminals. One drive terminal is coupled to the control unit and another drive terminal is coupled to the main power switch. The switch unit is coupled between one of the at least two drive terminals and a ground to receive a feedback control signal. When the feedback control signal activates the switch unit, the ground is coupled to the drive terminal to which the switch unit is coupled. Grounding the gate terminal suppresses the EMI and maintains operational efficiency of the power converter.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: April 23, 2019
    Assignee: ASIAN POWER DEVICES INC.
    Inventors: Kai-Yuan Shi, Hai-Ping Ding
  • Patent number: 10216247
    Abstract: The self-powered device is configured to be powered by energy collected from a surrounding environment. The self-powered device includes an energy collector, and a memory having instructions for selecting one of a plurality of modes of operation. The energy collector is configured to collect energy to power the self-powered device from a surrounding environment in which the self-powered device is located. The plurality of modes of operation include: (i) a low-power mode of operation in which the self-powered device consumes less than a pre-determined or adaptively-determined amount of power and the self-powered device uses less than its full capabilities, and (ii) and a high-power mode of operation in which self-powered device consumes more than the pre-determined or adaptively-determined amount of power and the self-powered device uses its full capabilities.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: February 26, 2019
    Assignee: Invent.ly, LLC
    Inventors: Holden D. Jessup, Daylyn M. Meade, Timothy P. Flood, Clive A. Hallatt
  • Patent number: 10203735
    Abstract: Systems and methods include a power module comprising at least one fuel cell generator for powering a load, and a bypass mechanism having a first, normally-open fast-acting switch that closes in 1-250 msec, and a second, normally-open switch in parallel with the first switch, the bypass mechanism being electrically connected between the load and a second power source, such as a grid source, where the first switch is configured to close in response to a fault event such that when the first switch is closed power to the load is provided from the second power source through the first switch, and the second switch closes after a predetermined time such that power to the load from the second source is provided through the second switch. Additional methods and systems include providing power to a plurality of loads using fuel cell power generators.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: February 12, 2019
    Assignee: BLOOM ENERGY CORPORATION
    Inventors: Peter Gross, James Daniel Smith, Rajesh Gopinath, Arne Ballantine
  • Patent number: 10186900
    Abstract: In an example, a method of controlling power distribution in a powered furniture system including a first article of powered furniture having a first controller and a first number of power outlets and a second article of powered furniture having a second number of power outlets and a second controller can include determining a first total number of power outlets in the system, wherein the first total number of power outlets includes at least the first number of power outlets of the first article of powered furniture. The method can include controlling application of power to the first number of power outlets associated with the first article of powered furniture using the determined first total number of power outlets in the system, and transmitting the first total number of power outlets to a second controller of a second article of powered furniture having a second number of power outlets.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: January 22, 2019
    Assignee: Ergotron, Inc.
    Inventors: Thomas Peter Pinewski, Nicholas Simon Hazzard, Jeffrey Aymond
  • Patent number: 10186866
    Abstract: A method and system of power factor optimization and total harmonic distortion are provided under the premise of efficient power management and distribution on an electrical grid. The method and system include a novel optimization technique based on a novel current profiling methodology enabling real-time power management with power factor correction as a function of the optimization. The optimization can be performed under dynamic current constraints. When deployed on an electrical grid, the method and system can provide a new technique for power management targeting an efficiency of the electrical grid. The method and system can thus provide for reduced costs of energy production and reduced carbon emissions into the atmosphere.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: January 22, 2019
    Inventors: Denis Kouroussis, Emre Kulali
  • Patent number: 10175746
    Abstract: Provided are a power consumption control system and method that clarify the timing for carrying out each of a plurality of processes and thereby facilitate standby power control and the leveling of power consumption. To this end, PERT analysis is performed on the basis of process information that relates to a production line, process flexibility analysis is performed on the basis of the PERT analysis, process arrangement combinations and the total number of process arrangement combinations are determined on the basis of the process flexibility analysis, distributions of the total number of process arrangement combinations are determined for the process arrangement combinations, the process arrangement combination having the smallest distribution is selected from among the distributions, the processes are rearranged, and the progression of the processes is controlled on the basis of the rearranged processes.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: January 8, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Shunji Mishina
  • Patent number: 10132838
    Abstract: Interconnection meter socket adapters are provided. An interconnection meter socket adapter comprises a housing enclosing a set of electrical connections. The interconnection meter socket adapter may be configured to be coupled to a standard distribution panel and a standard electric meter, thereby establishing connections between a distribution panel and a user such that electrical power may be delivered to the user while an electrical meter measures the power consumption of the user. A power regulation module is disposed between the interconnection meter socket adapter, and configured to selectively connect one or more energy sources or energy sinks.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: November 20, 2018
    Assignee: San Diego Gas & Electric Company
    Inventors: Ken Parks, Michael Colburn
  • Patent number: 10116142
    Abstract: A load control apparatus receives information regarding the consumed electric power in load devices and the generated electric power by a power generator. The apparatus includes a control unit, which controls a device based on the received information. A determination unit determines whether the device can execute a predetermined process with surplus electric power in target period from the present until a predetermined period of time elapses. An execution unit controls the device such that when it is determined that the abovementioned process can be executed, a control signal is provided to cause the process to start.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: October 30, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinpei Hibiya, Kiyotaka Takehara, Hitoshi Nomura
  • Patent number: 10095256
    Abstract: On receiving a request to reduce power consumption such as a request for power conservation, a power control device controls power used in a power consumption system including a plurality of devices so that a user can use enough consumable power while saving power in the most comfortable manner possible. The plurality of devices is classified into controllable devices and control-difficult devices. An information acquisition unit acquires amounts of power used by the controllable devices and an amount of most recently measured power of the entire power consumption system. When an amount of an upper limit power is set for the entire power consumption system, a demand control unit controls the amounts of power used by the controllable devices based on evaluation functions set for the respective controllable devices and differential equations set for the respective controllable devices.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: October 9, 2018
    Assignee: NEC CORPORATION
    Inventor: Masatsugu Ogawa
  • Patent number: 10081319
    Abstract: A vehicle is provided capable of minimizing inconvenience due to power limitation. The vehicle includes a generator that generates power, a plurality of electric components that receive the power from the generator, and a battery that stores part of the power generated by the generator. A body control module calculates power availability from an amount of power generation of the generator, an amount of charge of the battery, and an amount of power consumption of the plurality of electric components, and limits the operations of the plurality of electric components in a first order when the power availability is less than predetermined reference availability.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: September 25, 2018
    Assignee: Hyundai Motor Company
    Inventors: Young Il Lee, Heeseung Yoon
  • Patent number: 10069331
    Abstract: A load shed module configured to be connected in series between a power supply and a load is disclosed. A separate load shed module is connected in series between each load and the power supply. The load shed module determines the frequency of the voltage supplied from the power supply. Based on the frequency, the load shed module determines if utility power is connected or if a generator is connected. If the generator is connected and the frequency of the voltage goes outside of a desired operating range for a preset time, the load shed module disconnects the load from the power supply. Each load shed module includes a priority setting and reconnects its corresponding load after a predetermined time corresponding to the priority setting.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: September 4, 2018
    Assignee: Generac Power Systems, Inc.
    Inventors: Brendan Pancheri, Greg Wischstadt, Robert Iles, Andy Phillips, Taesik Yu, Sungmin Lee
  • Patent number: 10065520
    Abstract: A method of optimizing electricity use from an electric grid is disclosed. The method includes formulating a target load using a cost function for the electric grid, broadcasting a cost signal to the electric device based on the target load, receiving a charging profile from the electric device based on the cost signal, aggregating a demand profile for the electricity use based on the charging profile, determining an updated cost signal based on the demand profile, and broadcasting the updated cost signal to another electric device. The electric device is chargeable electric device, such as a plug-in electric vehicle (PEV). The electric device determines the charging profile only once based on the cost signal, and is charged at maximum power.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: September 4, 2018
    Assignee: The Regents of the University of California
    Inventors: Li Zhang, Faryar Jabbari, Scott Samuelsen
  • Patent number: 10060657
    Abstract: A ventilation or air-conditioning device includes a first component for generating heat or cold, a programmer second component, a power supply circuit shared by the first and second components, and a controller for the power supply circuit. The first and the second components cooperate to output air at a selected temperature. The device includes a relay for cutting off the supply of power to the first component. The relay is activated separately from the controller, and is arranged in the circuit such that the supply of power to the second component is independent of the state of activation of the relay.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: August 28, 2018
    Assignee: VOLTALIS
    Inventors: Bruno Heintz, Jean-Marc Oury, Hugues Lefebvre De Saint Germain, Pierre Bivas, Mathieu Bineau
  • Patent number: 9996060
    Abstract: The invention relates to controlling power consumption of a group of plurality of groups of power consuming devices by determining power consumption control value for controlling power consumption of devices of the group by use of at least one of the following: load shedding flexibility value of at least one group of plurality of groups, wherein the load shedding flexibility value of the corresponding group indicates maximum amount of power, by which power consumption of devices of the corresponding group can be reduced such that minimum power consumption permissible in the corresponding group is maintained; load restoration flexibility value of the at least one group of plurality of groups, wherein the load restoration flexibility value of the corresponding group indicates maximum amount of power, by which the power consumption of devices of the corresponding group can be increased such that maximum power consumption permissible in the corresponding group is maintained.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: June 12, 2018
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Sri Andari Husen, Ashish Vijay Pandharipande, Ludovicus Marinus Gerardus Maria Tolhuizen, Ying Wang, Meng Zhao
  • Patent number: 9989937
    Abstract: An approach where a utility/ISO may dispatch demand response (DR) resources in real time without notification of a DR event. DR dispatches may involve sending specific load level commands to power generators that can respond to such commands in a predictable fashion. DR resources do not necessarily have the same level of control or predictability in their load responses. Accuracy of predicting a DR resource's response to a DR signal may be improved by restricting the DR signal to predefined finite values and, for each predefined finite value, have the DR resource continuously report back what its load response will be if one of those signal values is sent as a DR signal. A DR performed against a home may result in discomfort. But there may be a sufficient recovery rate for regaining the setpoint of a thermostat to attain comfort of the home within a reasonable period of time.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: June 5, 2018
    Assignee: Honeywell International Inc.
    Inventors: Edward Koch, David J. McCurnin, Seth Rourke, Nicholas Dalsin
  • Patent number: 9991066
    Abstract: Methods, devices, and systems for synchronizing switching times of relays to a zero-crossing are described herein. One device includes a memory, and a processor configured to execute executable instructions stored in the memory to receive phase information of an alternating-current (AC) electric mains, determine, from the phase information, a zero-crossing of the phase of the AC electric mains, determine a reference time based on the zero-crossing for a number of relays corresponding to a number of relay controllers, and transmit the reference time to the number of relay controllers.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: June 5, 2018
    Assignee: Honeywell International Inc.
    Inventors: Michael Asmussen, Philipp Anton Roosli
  • Patent number: 9946230
    Abstract: A system for controlling electrical loads in a house, apartment, office or any other living environment, comprising the following units: Smart load control unit (LCU), Remote control unit (RCU), Sensors unit (SU), Computer interface unit (CIU), Infrared control unit (IRU) and Keypad unit (KU). Each LCU is so devised as to replace a wall switch or other electrical load power control device and comprises means for controlling an electric power delivered to the load responsive to a user's commands. Each RCU comprises means for activating LCU units, and each SU comprises sensor means. Each unit further includes means for connecting by wireless to the other units to exchange data or commands therebetween.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: April 17, 2018
    Inventors: Ronen Apelker, Allon Apelker
  • Patent number: 9946815
    Abstract: A method for use in deploying computers into a data center includes calculating in a computer an expected peak power draw for a plurality of computers. The expected peak power draw for the plurality of computers is less than a sum of individual expected peak power draws for each computer from the plurality of computers.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: April 17, 2018
    Assignee: Google LLC
    Inventors: Wolf-Dietrich Weber, Xiaobo Fan, Luiz Andre Barroso
  • Patent number: 9927471
    Abstract: Techniques for controlling an energy storage device to reduce peak power demand at a site are provided. In one embodiment, instantaneous power usage at the site can be monitored, where the instantaneous power usage corresponds to power that is instantaneously imported or exported at a point of common coupling (PCC) between the site and a utility-managed energy grid. A historical power usage value for the site can then be calculated based on the monitored instantaneous power usage, and the historical power usage value can be compared with a target peak value plus a buffer value. If the historical power usage value exceeds the target peak value plus the buffer value, the target peak value can be set to the historical power usage value.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: March 27, 2018
    Assignee: SolarCity Corporation
    Inventors: Eric Daniel Carlson, Karthikeyan Varadarajan
  • Patent number: 9927824
    Abstract: A controller includes a request acquisition unit that receives an operation permission request from a device, a calculation unit that calculates margin electric power derived from measurement by a measurement unit and an upper limit electric power, and a suppression unit that instructs the device to lower electric power consumption. When the margin electric power is less than the required electric power, the controller suppresses electric power consumption in devices in lower priority order stored in a priority storage unit within the suppression unit, such that electric power consumption increase in the management area may remain within the margin electric power. Then the controller issues the requesting device permission-or-denial for the operation, from the calculation unit.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: March 27, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kenji Nakakita, Kiyotaka Takehara, Yasuhiro Yanagi, Hitoshi Nomura, Akiko Takamiya
  • Patent number: 9918359
    Abstract: Disclosed is a device and method for reducing network feedback during operation of an electric-arc furnace (10). The electric-arc furnace (10) has three lines (7) with one electrode (4) each. A sensor (15) for measuring the currently flowing current and a sensor (16) for measuring the currently applied voltage are provided in each line. A control and regulating unit (30) calculates an electrical actual value (Eist1, Eist2, Eist3). A semiconductor tap changer (20) is assigned to the furnace transformer (6) such that, by suitably selecting three target winding taps (TSOLL1, TSOLL2, TSOLL3) of a primary side (P) of the furnace transformer (6), a target current (IS1, IS2, IS3) is adjustable in each line (7).
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: March 13, 2018
    Assignee: MASCHINENFABRIK REINHAUSEN GMBH
    Inventors: Klaus Krueger, Dieter Dohnal, Karsten Viereck, Alexei Babizki
  • Patent number: 9891036
    Abstract: A measuring system for a road construction machine includes a control unit which is operationally connected using a field bus to at least one field device, wherein an exclusive bus address is respectively assignable in the measuring system for each field device connected in the field bus. Furthermore, a method for addressing at least one field device is also provided.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: February 13, 2018
    Assignee: JOSEPH VOEGELE AG
    Inventor: Achim Eul
  • Patent number: 9887548
    Abstract: A power management apparatus (EMS 200) activates an acquisition function when it is determined at each time point in a predetermined period that an integral power consumption exceeds a predetermined power consumption.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: February 6, 2018
    Assignee: KYOCERA CORPORATION
    Inventor: Hiroyuki Hidaka
  • Patent number: 9874858
    Abstract: Systems and methods for controlling lab equipment such as transmitters are provided that includes a mini automation controller (MAC). The system provides a control system, user interface, and interfaces, including network interfaces usable for interfacing equipment, MAC, and user interfaces over a network, which provide a variety of functions including automation and monitoring of transmission sequences and receiver events. An exemplary MAC may include an Ethernet controller capable of converting an Ethernet signal to a serial signal. The MAC may also include a receiver monitor section comprising a fiber optic receiver input, a copper cable receiver input, and a monostable multivibrator. In addition to the receiver monitor section, the MAC may have a transmitter control section including a transmitter control pulse and a power output. An exemplary MAC may have a microcontroller coupled to the Ethernet controller, the receiver monitor section, and the transmitter control section.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 23, 2018
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: David R. Emerson
  • Patent number: 9866760
    Abstract: This application discloses a lighting emitting diode (LED) illumination system that operates at least in a boost mode and a bypass mode. The LED illumination system includes a plurality of LEDs and bypass elements. Each bypass element is coupled in parallel with one or more LEDs, and configured to bypass them selectively in the bypass mode. A boost converter is configured to drive the LEDs. The boost converter includes a boost controller that is configured to enable the boost mode in response to a boost enable signal. In the boost mode, the boost controller is electrically coupled to control the boost converter to drive the LEDs by a boosted drive voltage, and in the bypass mode, the boost controller is deactivated to allow the boost converter to drive a subset of the LEDs by a regular drive voltage that is substantially lower than the boosted drive voltage.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: January 9, 2018
    Assignee: GOOGLE INC.
    Inventors: Arvind Dorai, Anders Nelson, Brian Jonathan Conner
  • Patent number: 9823653
    Abstract: A method of managing electric energy consumption and/or production dynamics, includes the steps of: sampling an electric energy flow, adapted to be measured by an electricity metering device (1) within a network (15) of an electrical company; calculating a variation ?Ei=(Ei?Ei?1)/?t at regular intervals, where Ei and Ei?1 are two integral sum values of electric energy amounts consolidated over a given number of cycles and ?t represents a time interval between the respective times at which the two values are obtained; adding the variation (?Ei) to analogous variations calculated at previous times, to obtain a cumulative sum of such variations; determining whether the variation and/or the cumulative sum exceed a predetermined threshold value (?DE); transmitting a message over the network (15) from the electricity metering device (1) if the variation and/or cumulative sum exceed the predetermined threshold value (?DE).
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: November 21, 2017
    Assignee: ISTITUTO SUPERIORE MARIO BOELLA SULLE TECHNOLOGIE DELL'INFORMAZIONE E DELLE TELECOMMUNICAZIONI
    Inventor: Mikhail Simonov
  • Patent number: 9819194
    Abstract: A power management system comprises a plurality of HEMSs 10 and a CEMS 40. The CEMS 40 receives from each HEMS 10, power information including an amount of power consumed by a load connected to each HEMS 10. The CEMS 40 transmits, to each HEMS 10, reduction information including an amount of power that should be reduced in each consumer 70 in response to a power curtailment signal and the power information.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: November 14, 2017
    Assignee: KYOCERA CORPORATION
    Inventor: Shingo Joko
  • Patent number: 9746908
    Abstract: A processor prunes state information based on information provided by software, thereby reducing the amount of state information to be stored prior to the processor entering a low-power state. The software, such as an operating system or application program executing at the processor, indicates one or more registers of the processor as storing data that is no longer useful. When preparing to enter the low-power state, the processor omits the indicated registers from the state information stored to memory.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: August 29, 2017
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Yasuko Eckert, Derek Hower, Marc Orr
  • Patent number: 9722412
    Abstract: A power distribution unit that switches off power outlets in the event of an over-current condition by using circuitry that measures how long input current has exceeded a threshold and sending a reset signal to the power outlets when input current has exceeded the threshold for a predetermined time duration.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: August 1, 2017
    Assignee: Avocent Huntsville
    Inventor: Carlos E. Martins
  • Patent number: 9705329
    Abstract: A power control system utilizing real-time power system operating data to effectuate predictive load shedding so as to accurately predict the need for and the optimal type of responsive action to a contingency—before the contingency actually occurs.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: July 11, 2017
    Assignee: OPERATION TECHNOLOGY, INC.
    Inventor: Tanuj Khandelwal
  • Patent number: 9703344
    Abstract: A rack-style computer system is provided. The computer system includes a first server, a second server, and a power distribution unit (PDU). The PDU supplies power to the first server and the second server and monitors the power supplied to the first server and the second server and obtains a power sum value. The first server determines whether the power sum value exceeds a predetermined threshold, and if the determination is affirmative, the first server performs a power throttling.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: July 11, 2017
    Assignee: International Business Machines Corporation
    Inventors: Yao-Huan Chung, Ko-Chen Tan, Chun Hung Yu, Yu Yu
  • Patent number: 9685788
    Abstract: An electric power control method for an electric power load and an electric power storage device including assigning one of a peak shaving control or other services to at least one of time slots that are divided by a specific time unit, obtaining a consumption power of the electric power load of each of the time slots, determining power-purchase electric power according to the consumption power of each of the time slots, restricting a consumption power of the electric power load at one or more peak slots where the consumption power of the electric power load is more than or equal to a target power-purchase electric power upper limit, restricting the restricted consumption power of the electric power load and discharging the electric power storage device at one or more peak slots if the restricted consumption power of the electric power load is more than or equal to a target power-purchase electric power upper limit and the peak shaving is assigned.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: June 20, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takahiro Sugimoto, Masami Funakura, Wei Zhang
  • Patent number: 9672700
    Abstract: A temporary task lighting system used on job sites has an alarm mode. The system may be used to provide an alarm indication using the light units of the system. The alarm indication may be cycling the lights through on and off conditions or full on and dimmed conditions. Different systems and methods may be used to activate the alarm. The alarm activation may come from a typical fire alarm switch, a button on the power supply, a button on a central control computer, or a signal from an emergency response system such as a 911 system. The disclosure also provides central control for remote drivers and ballasts. The central control allows different zones of low voltage lighting systems or different zones of low voltage lights to set up, identified, and individually controlled from a central interface.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: June 6, 2017
    Inventor: Daniel A. Lax
  • Patent number: 9643552
    Abstract: A modular battery and power control system provides a range of electrical power to high voltage and low voltage power demand systems in a hybrid vehicle. The modular battery and power control system provides a dual voltage modular battery pack that provides both a high voltage output and a low voltage output. The modular battery pack is selectively connected to high voltage and low voltage demand systems by a switch system. The switch system is controlled by an ignition switch module which determines the electrical demands of the hybrid vehicle.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: May 9, 2017
    Assignee: Ford Global Technologies, LLC
    Inventor: Suriyaprakash A. Janarthanam
  • Patent number: 9645560
    Abstract: A power controller is provided in a consumer having a load equipment and controls an operation of the load equipment. The power controller comprises: an acquisition unit that acquires a plurality of operation modes for determining an operation status of the load equipment, or acquires operation parameters configuring each of the plurality of operation modes and being for controlling the load equipment; a setting unit that sets any of the plurality of operation modes of the load equipment; a provisional operation control unit that provisionally operates the load equipment on the basis of the plurality of operation modes; and a measurement unit that measures, for each of the plurality of operation modes, a provisional power consumption consumed by the load equipment, during the provisional operation of the load equipment.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: May 9, 2017
    Assignee: KYOCERA CORPORATION
    Inventor: Taku Nakayama
  • Patent number: 9509140
    Abstract: Electronic device for the connection of two or more loads to the alternating electrical network and the executed connection procedure, allowing for the supply of such loads keeping under control inrush current value, as well as supplying the nominal current value during steady state. The device and its procedure comprise a clear solution especially designed for simultaneous charge of significant amount of electronic devices, whose charge is carried out by switching-type DC chargers. This situation is feasible for both single-phase networks of 110 VAC or 220 VAC nominal.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: November 29, 2016
    Inventor: Julio Héctor Szychowski
  • Patent number: 9500385
    Abstract: Various arrangements for accessing an energy management policy for a plurality of devices are described. The energy usage of devices within a first structure is monitored. An energy usage rule and energy usage is then compared. The energy management policy and energy usage is also compared. Based on the comparing, an instruction may be generated to modify an energy usage profile of one or more devices to correlate with the energy usage rule associated with the devices and the energy management policy, thereby enabling efficient energy management.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: November 22, 2016
    Assignee: Google Inc.
    Inventors: Jason C. Weaver, Bradley A. Kayton
  • Patent number: 9448577
    Abstract: A method and system of power factor optimization and total harmonic distortion are provided under the premise of efficient power management and distribution on an electrical grid. The method and system include a novel optimization technique based on a novel current profiling methodology enabling real-time power management with power factor correction as a function of the optimization. The optimization can be performed under dynamic current constraints. When deployed on an electrical grid, the method and system can provide a new technique for power management targeting an efficiency of the electrical grid. The method and system can thus provide for reduced costs of energy production and reduced carbon emissions into the atmosphere.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: September 20, 2016
    Assignee: Networked Power Inc.
    Inventors: Denis Kouroussis, Emre Kulali
  • Patent number: 9331525
    Abstract: A method of controlling access to an electrical power network, comprising: receiving a power network access rule from a power network, the power network access rule defining an access condition which permits a device to access the power network; receiving a device usage rule, the device usage rule being a condition when the device is permitted use of the power network; comparing the device usage rule with the received power network access rule; and permitting the transfer of energy between the power network and the device upon a positive comparison between the device usage rule and the power network access rule.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: May 3, 2016
    Assignee: SONY CORPORATION
    Inventors: Chris Minnoy, Valentin Aurelian Mesaros
  • Patent number: 9323256
    Abstract: In accordance with these and other embodiments of the present disclosure, a system and method include supplying, by a single boost converter, power to a first circuit that provides a circuit operation and power to a second circuit that provides another circuit operation. The system and method also include receiving, by a controller coupled to the single boost controller, an operating condition signal indicative of at least one of: (i) a power delivered by the single boost converter, and (ii) a temperature of the single integrated circuit. The system and method further include allocating, by the controller, power deliverable by the single boost converter between the first circuit and second circuit in response to the operating condition signal.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: April 26, 2016
    Assignee: Cirrus Logic, Inc.
    Inventors: Lingli Zhang, Johann Gaboriau, Mehul Marolia, Aiman Alhoussami
  • Patent number: 9310785
    Abstract: According to one embodiment, an apparatus sends a request to adjust a power consumption to a plurality of request targets, based on power supply and demand. A minimum adjustment time of each request target is stored. The minimum adjustment time is an interval between a time when a request target receives the request and a time when the request target starts to adjust the power consumption. If an estimation value of the power supply is different from an estimation value of the power demand at a first time to start to adjust, at least one request target is selected from the request targets by using the minimum adjustment time. The at least one request target is acceptable for the request at a second time as a predetermined time prior to the first time. A first adjustment amount to the at least one request target is calculated until the second time.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: April 12, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomoshi Otsuki, Hisashi Hayashi
  • Patent number: 9201481
    Abstract: A power supply distribution system including a power supply for supplying electric power; power outlets to which electronic devices are connected; power detection circuits for measuring an amount of electric power used through each of the power outlets; a power amount arithmetic circuit for determining a supply amount of the electric power to the power outlets based on information from the power detection circuits; and power limiting circuits for limiting the supply amount of the electric power to the power outlets. The power amount arithmetic circuit calculates a threshold of the amount of electric power used to be supplied to each of the power outlets based on a maximum supply amount of the electric power from the power supply and a number of the power outlets; and limits the amount of electric power used to be supplied to some power outlets to not more than the threshold.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: December 1, 2015
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Shinobu Hirosaka
  • Patent number: 9203296
    Abstract: A filter for a power supply includes at least two inputs, at least two outputs, and a common mode choke coupled between the at least two inputs and the at least two outputs. Each input includes a pair of input terminals and each output includes a pair of output terminals. The common mode choke includes a magnetic core and at least four windings extending about the magnetic core. Each winding is coupled between one of the input terminals and one of the output terminals. The filter may further include X-capacitors coupled between the at least two inputs and the at least two outputs. Also disclosed are power supply systems including one or more power supplies and a filter coupled to the power supplies.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: December 1, 2015
    Assignee: ASTEC INTERNATIONAL LIMITED
    Inventors: Franz Karl Fauer, Martin Karl Fusser