With Control Of Magnitude Of Current Or Power Patents (Class 307/24)
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Patent number: 11527966Abstract: An apparatus according to an embodiment includes a control circuit to control operations of an inverter and a switch. The control circuit judges whether or not a power system has a power failure, based on values of the system voltage and a frequency of the power system; and calculates a phase difference between a phase of the output voltage of the inverter and a phase of the system voltage and generate, by means of the phase difference, an output frequency pattern for changing a frequency of the output voltage of the inverter. The control circuit, when it is judged that the power system has recovered from the power failure, controls the inverter to change the frequency of the output voltage of the inverter in line with the output frequency pattern, and closes the switch after the phase difference becomes smaller than or equal to a threshold.Type: GrantFiled: October 19, 2020Date of Patent: December 13, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporalInventors: Yuusuke Kouno, Yoichi Morishima
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Patent number: 11476900Abstract: An apparatus including circuitry configured for: controlling transmission from the apparatus to at least two user equipment within a communications system, wherein the circuitry is further configured for: controlling transmission of data signals for one of the at least two user equipment for a first slot of a direct transmission phase from the apparatus to the at least two user equipment within the communications system, such that: the one of the at least two user equipment is configured to receive and decode the data signals; and at least one other of the at least two user equipment is configured to receive and harvest energy from the data signals for relaying data signals to the one of the at least two user equipment for a cooperative transmission phase; controlling transmission of data signals for both the one of the at least two user equipment and at least one other of the at least two user equipment for a second slot of a direct transmission phase from the apparatus to the at least two user equipment witType: GrantFiled: October 5, 2018Date of Patent: October 18, 2022Assignee: Nokia Solutions and Networks OyInventor: Chung Shue Chen
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Patent number: 11436861Abstract: A display device includes: a display panel to display an image by generating light, a sensor disposed under the display panel to convert a light energy into an electrical energy, a voltage generator connected to the sensor, and a capacitive element connected to the sensor. The electrical energy generated by the sensor is charged in the capacitive element. The sensor senses an object using the light reflected by the object.Type: GrantFiled: March 11, 2021Date of Patent: September 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Goeun Cha, Keumdong Jung, Yuna Kim, Kyungtea Park, Soojung Lee, Kangbin Jo
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Patent number: 11367886Abstract: The power controller starts imposing the current limit when a condition for the current limit is met the condition, the condition being that the fuel cell does not generate to fulfill the requested amount of power generation while the fuel cell generates power at an upper limit of the supply capability of the fuel gas supply unit, and the power controller removes the current limit at a first predetermined increase rate determined when the requested amount of power generation exceeds a predetermined threshold below a rated power generation amount of the fuel cell and at a second increase rate higher than the first increase rate when the requested amount of power generation is the threshold or less, after the condition for the limit is dissolved.Type: GrantFiled: February 14, 2019Date of Patent: June 21, 2022Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tetsuya Bono, Toshihiro Egawa, Masahiro Okuyoshi
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Patent number: 11349409Abstract: A control circuit corrects a reference gain by multiplying the reference gain by a correction value set in association with state-of-charge information of a storage battery, and uses the corrected reference gain as a first gain for controlling a DC/AC inverter, to adjust the slope of frequency drooping characteristic. The correction value is a value that gradually decreases with increase in state-of-charge information of the storage battery, the minimum value of the correction value is N1 which is a real number greater than 0 and corresponding to a first state of charge for stopping charging of the storage battery, and the maximum value of the correction value is N2 which is a real number greater than N1 and corresponding to a second state of charge for stopping discharging of the storage battery.Type: GrantFiled: March 18, 2019Date of Patent: May 31, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenji Fujiwara, Tatsuya Okuda, Takahiro Kato
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Patent number: 11258257Abstract: A grid voltage stabilization system according to an embodiment of the present invention comprises: a power generation device for generating power by using a new and renewable energy source, and supplying the generated power to a grid; an energy storage system (ESS) for, according to a command value, storing power generated in the power generation device in a battery, or supplying power stored in the battery to the grid in the form of active power and reactive power; and a power management system (PMS) for, when a voltage value of the grid is out of a reference range, controlling the magnitude of the reactive power to be supplied to the grid such that the command value is changed according to the voltage value of the grid to enable the voltage of the grid to be within the reference range.Type: GrantFiled: December 11, 2018Date of Patent: February 22, 2022Assignee: LS ELECTRIC CO., LTD.Inventor: Min-Jun Park
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Patent number: 11211794Abstract: Various implementations described herein are directed to systems, apparatuses and methods for managing one or more loads connected to one or more power sources using one or more smart outlets. Apparatuses described herein may include smart outlets configured to communicate with one or more controllers and responsively connect and disconnect electrical loads connected thereto. Methods described herein may include signaling and/or controlling one or more loads from a group of loads to connect to or disconnect from one or more power sources.Type: GrantFiled: November 21, 2019Date of Patent: December 28, 2021Assignee: Solaredge Technologies Ltd.Inventors: Yoav Galin, Guy Sella, Ilan Yoscovich, Amir Fishelov
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Patent number: 11205947Abstract: A multi-input single-output DC-DC converter can include: a plurality of input circuits and an output circuit, where each input circuit includes a first switch, and one terminal of each of the input circuits is coupled to an input source, and the other terminal of the input circuit is coupled to the output circuit; and a control circuit configured to control operation periods of each input circuit in one switching period, in order to achieve power distribution and reach requirements for input currents of the input circuit and an output signal of the output circuit.Type: GrantFiled: May 28, 2019Date of Patent: December 21, 2021Assignee: Silergy Semiconductor Technology (Hangzhou) LTDInventors: Wei Chen, Liangwei Sun
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Patent number: 11201471Abstract: Method of operating an energy system, said energy system comprising: a local common transmission bus; at least one local energy connected to said bus; at least one local load connected to said bus; an energy store connected to said bus; a controllable interface arranged to exchange energy between said bus and an external distribution network external to said energy system; a controller adapted to control said interface so as to carry out said exchange of energy. According to the invention, the controller defines three modes based on the state of charge of the energy store which determine if, and how, energy is exchanged with the external network so as to optimize self-consumption and to perform ramp-rate reduction and peak shaving as appropriate.Type: GrantFiled: November 29, 2018Date of Patent: December 14, 2021Assignee: CSEM CENTRE SUISSE D'ELECTRONIQUE ET DE MICROTECHNIQUE SA—RECHERCHE ET DÉVELOPPEMENTInventors: Christian Rod, Pierre-Jean Alet, Vincenzo Musolino, Nelson Koch
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Patent number: 11121634Abstract: A first full-bridge circuit, a transformer, a first reactor, a second full-bridge circuit, a second reactor, a capacitor, and a control unit are included. When activated, the control unit switches one or more of a combination of a first switching leg and a second switching leg and a combination of a third switching leg and a fourth switching leg with a certain second phase difference and drives first, third, fifth, and seventh switching devices or second, fourth, sixth, and eighth switching devices with a first duty ratio, which is lower than a duty ratio during normal operation.Type: GrantFiled: December 2, 2019Date of Patent: September 14, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Hiroki Tanaka
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Patent number: 11108239Abstract: A power system is provided for controlling a connection point power at a connection point with a power grid D. The power system includes a processing device that calculates a guidance command value for controlling the connection point power to achieve a target power, and a plurality of power control devices that each control the output power of mutually different types of control targets, based on a common guidance command value inputted from the processing device. Each of the plurality of power control devices calculates a target value of the output power, based on an optimization problem including a common evaluation function. The evaluation function includes the guidance command value and a design parameter for which a setting value set for each of the plurality of power control devices is substituted.Type: GrantFiled: February 21, 2020Date of Patent: August 31, 2021Assignee: DAIHEN CorporationInventors: Takafumi Hanao, Akihiro Ohori
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Patent number: 11063432Abstract: In the present legacy electrical power generation and distribution system, the power quality delivered to end consumers is being degraded by a number of disruptive technologies and legislative impacts; especially with the rapidly increasing myriad of privately owned and operated domestic and commercial distributed energy generation (DEG) devices connected at any point across a low voltage (LV) distribution network. The present invention bypasses this increasing critical DEG problem by offering a solution comprising an energy processing unit (EPU) that is installed at the edge of the high voltage (HV) transmission grid.Type: GrantFiled: August 7, 2019Date of Patent: July 13, 2021Assignee: Edge Electrons LimitedInventors: Neal George Stewart, Jian Carlo Decena Zapata
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Patent number: 11054092Abstract: A high-power rechargeable spotlight with two-way universal serial bus (USB) capable of recharging electronic devices as well as recharging itself. A bidirectional universal serial bus (USB) adaptor port that can be integrated into a high-power rechargeable battery-operated spotlight or other rechargeable battery-operated device. The device can utilize a micro-controller to convert a single USB adaptor port into either an input device or an output device. A high-power rechargeable spotlight with bidirectional USB adaptor port is capable of recharging external electronic devices, as well as recharging itself through the same port.Type: GrantFiled: January 17, 2020Date of Patent: July 6, 2021Assignee: VECTOR PRODUCTS, INC.Inventor: Mathew Inskeep
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Patent number: 11031794Abstract: A system and apparatus for autonomous charge balancing of an energy storage device of the microgrid. In one embodiment the apparatus comprises a power conditioner, coupled to the energy storage device, comprising a droop control module for operating the power conditioner, during an autonomous mode of operation, such that the state of charge of the energy storage device is autonomously driven toward the state of charge of at least one other energy storage device of the microgrid.Type: GrantFiled: December 3, 2019Date of Patent: June 8, 2021Assignee: Enphase Energy, Inc.Inventor: Donald Richard Zimmanck
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Patent number: 10926721Abstract: A control system configured to reduce the number of terminals of a connector in an electronic control unit and reduce the insertion/extraction force of the connector includes an ECU having a first connector unit, and a wire harness unit having a second connector unit to be connected to the first connector unit. The ECU includes a multiplexing control circuit and a first signal line serving as a transmission path for a multiplexed signal. The second connector unit is provided with a second signal line serving as a transmission path for the multiplexed signal transmitted via the first signal line, and a multiplexing control circuit. The multiplexing control circuit performs at least one of a process of separating signals from the multiplexed signal transmitted via the second signal line and a process of multiplexing a plurality of signals and transmitting a multiplexed signal to the second signal line.Type: GrantFiled: June 15, 2017Date of Patent: February 23, 2021Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Shigeo Hayashi, Hiroki Hirai, Toshiaki Kakii, Mitsuaki Nishie
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Patent number: 10908218Abstract: A battery management system having a microcontroller with first and second applications and first and second tables is provided. The first table has a first record with a first encoded channel index and a first battery cell voltage value associated with a first battery cell. The second table has a first record with a first encoded channel index and a first battery cell overvoltage flag associated with the first battery cell. The first application sends the first encoded channel index from the first table to the second application. The second application transitions a contactor to an open operational position, when the first encoded channel index from the first table is not equal to a first predetermined encoded channel index indicating a data misalignment of the first battery cell voltage value and the first battery cell overvoltage flag.Type: GrantFiled: June 20, 2018Date of Patent: February 2, 2021Assignee: LG Chem, Ltd.Inventor: Kerfegar K. Katrak
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Patent number: 10879695Abstract: Distributed grid network intelligence enables data aggregation at a local control node. In a consumer node, a meter is on a consumer side of a point of common coupling (PCC). The meter can receive one or more external grid inputs and one or more local sensor inputs. The grid inputs can come from sources outside the PCC, and the local sensor inputs monitor conditions at the PCC and/or within the PCC. The meter can identify power demand within the PCC and calculate an output power to generate with a local power converter. The calculation is not simply based on power demand, but on aggregation information, including the one or more external grid inputs, the one or more local sensor inputs, and the power demand for the local load. The local power converter can then output power in accordance with the calculated output power.Type: GrantFiled: July 4, 2015Date of Patent: December 29, 2020Assignee: Apparent Labs, LLCInventors: Stefan Matan, Fred C Horton, Frank P Marrone, Clayton Borzini
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Patent number: 10873212Abstract: In example implementations, a wireless charging request at a first class type is sent by a power receiving unit (PRU) to a power transmitting unite (PTU) for an amount of power from the PTU. A charging fail notification is received from the PTU due to a mismatch in an amount of power available from the PTU and the amount of power requested in the wireless charging request. A wireless charging request is sent to the PTU at a lower class type than the first class type that matches the amount of power available from the PTU. The PRU is charged with the amount of power available from the PTU. The wireless charging request is re-sent at the first class type to the PTU after a pre-defined period of time to charge at the amount of power requested by the wireless charging request at the first class type.Type: GrantFiled: May 29, 2015Date of Patent: December 22, 2020Assignee: Hewlett-Packard Development Company, L.P.Inventor: Isaac Lagnado
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Patent number: 10819209Abstract: A multi-source energy harvester system includes a power conversion apparatus. First and second energy harvesters respectively harvest first and second energy and respectively provide first and second input powers. The power conversion apparatus includes an adjustable impedance matching circuit and a power conversion circuit. The impedance matching circuit generates an adjusted power according to the first input power. The power conversion circuit converts a bus power to an output power. The energy harvester system controls a first and a second switch circuits according to the adjusted power and/or the second input power to select and conduct one of the adjusted power or the second input power as the bus power, and adjusts an impedance of the adjustable impedance matching circuit to maximize a voltage of the adjusted power.Type: GrantFiled: May 17, 2019Date of Patent: October 27, 2020Assignee: RICHTEK TECHNOLOGY CORPORATIONInventors: Kuo-Chi Liu, Chang-Yu Ho
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Patent number: 10804713Abstract: A charge-discharge device and a control method of the charge-discharge device are provided. The control method of the charge-discharge device comprising: receiving an input voltage signal via a configuration channel of a USB port; sampling the input voltage signal in a predetermined period to generate a plurality of sampling values; selectively connecting the configuration channel to a pull-down circuit or a pull-up circuit according to the sampling values, receiving a first charging voltage via a power channel of the USB port when the configuration channel is connected to the pull-down circuit, and outputting a second charging voltage via the power channel when the configuration channel is connected to the pull-up circuit.Type: GrantFiled: December 12, 2017Date of Patent: October 13, 2020Assignee: ASUSTEK COMPUTER INC.Inventors: Feng-Chi Shen, Tsung-Han Wu, Chien-Chung Lo, Yii-Lin Wu
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Patent number: 10784711Abstract: The present disclosure relates to a photovoltaic energy storage air conditioner and a control method thereof. The air conditioner may include a photovoltaic power generation device, an energy storage device, an air conditioning unit and an energy scheduling and management device. The energy scheduling and management device may include: a detection module, configured to detect an operation state of the air conditioner, a power supply quantity and a working state of the photovoltaic power generation device and a power supply quantity and a working state of the energy storage device; and a scheduling module, configured to control power supply and/or charging according to the operation state of the air conditioner, the power supply quantity and the working state of the photovoltaic power generation device, the power supply quantity and the working state of the energy storage device, preset power supply priorities and power usage priorities.Type: GrantFiled: January 23, 2017Date of Patent: September 22, 2020Assignee: Gree Electric Appliances, Inc. of ZhuhaiInventors: Meng Huang, Dongyuan Xu, Wenqiang Tang, Xia Liu, Shugong Nan, Peng Ren
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Patent number: 10770742Abstract: A Reversible Solid Oxide Fuel Cell (RSOFC) system includes a Reversible Solid Oxide Fuel Cell (RSOFC) unit, a bi-directional alternating current/direct current (AC/DC) converter, coupled to the RSOFC unit, a common bus, coupled to the bi-directional AC/DC converter and to a power grid, and a plurality of RSOFC subsystems, coupled to receive power only through the common bus. The RSOFC unit has a fuel cell mode, wherein the RSOFC unit produces electrical power from fuel, and an electrolysis mode, wherein the RSOFC unit consumes electrical power to produce the fuel. The bi-directional AC/DC converter is coupled to the RSOFC unit, and is configured to convert direct current (DC) electrical power produced by the RSOFC unit into outgoing alternating current (AC) power, and to convert incoming AC power into DC power for consumption by the RSOFC unit in electrolysis mode.Type: GrantFiled: February 20, 2018Date of Patent: September 8, 2020Assignee: THE BOEING COMPANYInventors: Joshua M. Mermelstein, Sergio Espinoza
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Patent number: 10763750Abstract: A power converter circuit included in a computer system may charge and discharge a switch node coupled to a regulated power supply node via an inductor. During a discharge cycle, the power converter circuit may sense a current being discharge from the regulated power supply node through the inductor into a ground supply node. The power converter circuit may also sense a noise current flowing in the ground supply node, and generate a control current using both the current being discharge and the noise current. Using the control current, the power converter circuit may halt the discharge cycle.Type: GrantFiled: April 4, 2019Date of Patent: September 1, 2020Assignee: Apple Inc.Inventors: Nikola Jovanovic, Michael Couleur
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Patent number: 10714938Abstract: Methods, systems, and controllers are described herein for controlling an electrical power system. A time-synchronized measurement of a phasor from one or more phasor measurement units is fed back to a feedback controller. Distributed energy resources of the electrical power system are controlled by the feedback controller using feedback control algorithms by sending, to distributed energy resources, a power setpoint derived from the time-synchronized measurement of the phasor.Type: GrantFiled: May 24, 2018Date of Patent: July 14, 2020Assignee: PXiSE Energy Solutions, LLCInventors: Charles H. Wells, Raymond A. de Callafon, Patrick T. Lee
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Patent number: 10673245Abstract: A cascading regulation system connected to a number of serially connected power sources and uses multiple regulators having different cutoff voltages to provide an output for the local power consumption unit. Each of the regulators is connected to a subset of serially connected power sources and so configured that if the voltage generated at the lowest tap is no longer sufficient for a stable supply to the local power consumption unit, the next higher regulator takes over, and the output voltage drops in small steps reflective of that takeover of the next higher tap. When the voltage generated across a subsection grows, a lower connected tap may take over again, producing a slightly higher output voltage for the local power consumption unit. The cutover steps are chosen such that the output voltage range matches the range given as the acceptable input range for the local power consumption unit.Type: GrantFiled: November 30, 2016Date of Patent: June 2, 2020Assignee: Tigo Energy, Inc.Inventors: Shmuel Arditi, Daniel Eizips, Mordechay Avrutsky
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Patent number: 10673040Abstract: A vehicular battery pack comprising a parallelepiped-shaped container, defined by first, second and third lateral walls that are mutually perpendicular, wherein cells are arranged in layers one above the other in the container, wherein said third lateral walls are parallel to said layers, and wherein relative monitoring and supervision devices of the individual cells are arranged so as to define a first of said second lateral walls, and wherein terminals and safety devices of the battery pack are arranged in a second of said second lateral walls, opposite to said first of said second lateral walls.Type: GrantFiled: February 14, 2019Date of Patent: June 2, 2020Assignee: FERRARI S.P.A.Inventors: Elena Ligabue, Luca Poggio
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Patent number: 10666047Abstract: A method includes the steps of providing a common DC bus to interconnect power elements to a DC distribution system using power converters. A first group of one or more of the elements (main element) is used to execute the primary function by automatically maintaining the DC bus voltage following a set point. The DC bus voltage set point is intentionally changed with slow dynamics according to a secondary function executed by the main element such that the average DC bus voltage regulated by the main element changes. A local logic is used on each of the power elements connected to the DC bus but different from the main element to modify their power generation or consumption as a result of changes in the measured average DC bus voltage such that they contribute to the fulfillment of the secondary level of control.Type: GrantFiled: December 28, 2017Date of Patent: May 26, 2020Assignee: Arda Power Inc.Inventor: Luis Zubieta
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Patent number: 10608552Abstract: A boost converter circuit and method of operating the same is provided. The boost converter circuit includes a bridge rectifier configured to convert an alternating current (AC) voltage at a rectifier input to a rectified voltage at a rectifier output; a transistor switch coupled between the bridge rectifier and a DC link capacitor, and configured to receive a control signal in order to regulate a charging and a discharging of the DC link capacitor; a surge voltage detection circuit coupled to the rectifier output, and configured to measure the rectified voltage for detecting a surge event based on the measured rectified voltage; and a gate controller configured to output the control signal to the transistor switch, wherein, upon occurrence of the surge event, the gate controller is configured to turn off the transistor switch for a predetermined delay period via the control signal.Type: GrantFiled: November 13, 2018Date of Patent: March 31, 2020Assignee: Infineon Technologies Austria AGInventor: Byoungho Choo
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Patent number: 10599175Abstract: Systems, methods, and computer program products are described for controlling power of a balancing area having a plurality of distributed energy resources of a power system. A high frequency controller having a memory and at least one data processor of one distributed energy resource of the balancing area continuously receives (i) data including a phasor data stream having time-synchronized phasor measurements derived from the plurality of distributed energy resources of the balancing area and (ii) real-time energy levels of the plurality of distributed energy resources. The high frequency controller determines a power set point pair having a desired frequency set point and a desired voltage set point based on a combination of the real-time energy levels and the time-synchronized phasor measurements.Type: GrantFiled: February 23, 2018Date of Patent: March 24, 2020Assignee: PXiSE Energy Solutions, LLCInventors: Charles H. Wells, Raymond A. de Callafon, Patrick T. Lee
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Patent number: 10562757Abstract: A system for controlling selection and distribution of a product in a product dispensing system. The system includes a user interface for prompting a selection and selecting the product, a machine control processor in communication with the user interface, a power distribution module connected to the machine control processor, and a power supply unit for supplying power to the system through the power distribution module.Type: GrantFiled: March 14, 2013Date of Patent: February 18, 2020Assignee: DEKA Products Limited PartnershipInventors: John J. Biasi, Russell H. Beavis, Michael J. Goulet, Eric L. Pribyl
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Patent number: 10511178Abstract: A system and apparatus for autonomous charge balancing of an energy storage device of the microgrid. In one embodiment the apparatus comprises the energy storage device; and a power conditioner, coupled to the energy storage device, comprising a droop control module for operating the power conditioner, during an autonomous mode of operation, such that the state of charge of the energy storage device is autonomously driven toward the state of charge of at least one other energy storage device of the microgrid.Type: GrantFiled: December 5, 2016Date of Patent: December 17, 2019Assignee: Enphase Energy, Inc.Inventor: Donald Richard Zimmanck
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Patent number: 10504848Abstract: One or more chip-embedded integrated voltage regulators (“CEIVR's”) are configured to provide power to a circuit or chip such as a CPU or GPU and meet power delivery specifications. The CEIVR's, circuit or chip, and power delivery pathways can be included within the same package. The CEIVR's can be separate from the circuit or chip.Type: GrantFiled: February 19, 2019Date of Patent: December 10, 2019Assignee: Faraday Semi, Inc.Inventor: Parviz Parto
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Patent number: 10498165Abstract: In some embodiments, an apparatus includes a set of power supply units where each power supply unit from the set of power supply units is associated with a power zone from a set of power zones. The apparatus can also include a redundant power supply unit and a set of electronic devices where each electronic device from the set of electronic devices is associated with a power zone from the set of power zones. Additionally, each electronic device from the set of electronic devices is operatively coupled to a power supply unit from the set of power supply units for that power zone and is also operatively coupled to the redundant power supply unit.Type: GrantFiled: August 31, 2017Date of Patent: December 3, 2019Assignee: Juniper Networks, Inc.Inventors: Boris Reynov, Ben T. Nitzan, Philip Quaife, Shreeram Siddhaye, Venkata S. Raju Penmetsa, Jack W. Kohn
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Patent number: 10481673Abstract: A power converter system is provided that supports multiple voltage rails through a plurality of point-to-point power management communication buses. The power converter system includes a plurality of power converters each of which is operable to output an independent voltage rail regulated at a defined voltage level, a plurality of ports each of which is configured for point-to-point communication over a dedicated serial communication power management bus with single and multiple voltage rail support, each port being dedicated to a single serial communication power management bus, the power converter system having fewer ports than voltage rails, and configuration logic operable to flexibly assign each power converter to one of the ports based on configuration information stored in or provided to the power converter system, so that each power converter communicates over the serial communication power management bus to which the port assigned to that power converter is dedicated.Type: GrantFiled: June 27, 2017Date of Patent: November 19, 2019Assignee: Infineon Technologies Austria AGInventor: Benjamim Tang
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Patent number: 10483766Abstract: Systems and techniques are provided for a power receiver circuit. A power generating mechanism may include power generating elements that may generate alternating current signals. Rectifier circuit may include rectifiers that may generate a direct current signal from an alternating current signal, and diodes. Group circuits that may connect groups of rectifier circuits in electrical circuits to combine the direct current signals from the rectifier circuits in a group into a single direct current signal. A step down converter may be connected to the group circuits. The step down converter may convert a direct current signal to a direct current signal of a target voltage level. An output switch may be connected to the step down converter. A linear regulator may be connected to the step down converter. A microcontroller may be connected to the linear regulator and the output switch and may control the output switch.Type: GrantFiled: January 31, 2018Date of Patent: November 19, 2019Assignee: uBeam Inc.Inventors: Hong Gao, Jonathan Bolus
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Patent number: 10477633Abstract: A device for driving light-emitting diodes (LEDs) includes an address transceiver, a processor, and at least one power supply. The address transceiver stores a communication address and receives a Konnex (KNX) protocol signal carrying a driving address. The address transceiver generates a driving signal when the driving address corresponds to the communication address. The processor, electrically connected to the address transceiver, receives the driving signal and generates a power starting signal according to the driving signal. The power supply, electrically connected to the processor and at least one light-emitting diode (LED) module, receives the power starting signal and uses the power starting signal to drive the LED module.Type: GrantFiled: February 1, 2019Date of Patent: November 12, 2019Assignee: Mean Well (Guangzhou) Electronics Co., Ltd.Inventor: Min-Qiang Hu
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Patent number: 10454834Abstract: In one embodiment, a device in a network detects a power outage event. The device monitors one or more operational properties of the device, in response to detecting the power outage event. The device determines whether to initiate a traffic control mechanism based on the one or more monitored operational properties of the device, according to a power outage traffic control policy. The device causes one or more nodes in the network that send traffic to the device to regulate the traffic sent to the device, in response to a determination that the traffic control mechanism should be initiated.Type: GrantFiled: February 21, 2017Date of Patent: October 22, 2019Assignee: Cisco Technology, Inc.Inventors: Jean-Philippe Vasseur, Jonathan W. Hui
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Patent number: 10404078Abstract: An energy storage system operable in a charging phase and in a discharging phase is disclosed. The energy storage system includes M energy storage units and N power converters, where M is at least two and N is at least one. The energy storage system also includes a switching fabric that reconfigurably couples the energy storage units to the power converters and a controller that reconfigures the switching fabric.Type: GrantFiled: June 24, 2016Date of Patent: September 3, 2019Inventor: Mike M. He
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Patent number: 10367374Abstract: Electrical power is shared wirelessly among electrical power-sharing hubs in a wireless mesh network. Each electrical power-sharing hub includes one or more transmitters and receivers for wireless communications with other hubs and wireless power transfer technology to transmit or receive electrical power with other hubs. If electrical power at a respective electrical power-sharing hub is insufficient to power an electrical load on the hub, the hub wirelessly requests that a specific amount of electrical power be transmitted to it wirelessly from one or more neighboring electrical power-sharing hubs. At least one of the neighboring hubs may send a portion or all of the requested power. If the neighboring hubs do not have electrical power to share, a request for power is wirelessly transmitted to non-neighboring hubs, at least one of which may relay available electrical power wirelessly to the requesting hub via the wireless mesh network.Type: GrantFiled: July 27, 2016Date of Patent: July 30, 2019Assignee: Azbil North America Research and Development, Inc.Inventors: Jeremy Tole, Peter Walther, Tasuku Imanishi
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Patent number: 10333314Abstract: The disclosure relates to technology for providing power, voltage, and/or current from a combination of DC power sources, such as photovoltaic modules or DC batteries. One aspect includes a buck-boost optimizer having a number of inductorless buck stages and a boost stage. The buck-boost optimizer may be used within a power generation system. The combined output voltages of each of the buck stages may be input to the boost stage. The boost stage may have an inductor that may serve as an energy storage device to boost a voltage, as well as to filter a signal from the buck stages. Thus, the buck-boost optimizer may use a single inductor. Having a single inductor provides for a very efficient power generation system. Also, cost and size of components in the power generation system may be reduced.Type: GrantFiled: April 17, 2017Date of Patent: June 25, 2019Assignee: Futurewei Technologies, Inc.Inventors: Heping Dai, Xiaolin Mao
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Patent number: 10320226Abstract: In a case where it is determined that a generated electric power of a solar panel is less than a predetermined value, a control unit of a solar photovoltaic generation device is configured to disconnect a solar battery from a first electric power conversion unit and a second electric power conversion unit, stop providing a power supply to the first electric power conversion unit to execute a power saving control, and store an open circuit voltage of the solar panel as a reference voltage after the execution of the power saving control. In a case where the open circuit voltage of the solar panel exceeds the reference voltage continuously for a predetermined time period after the execution of the power saving control, the control unit is configured to connect the solar battery to the first electric power conversion unit and the second electric power conversion unit, and start providing the power supply to the first electric power conversion unit to release the power saving control.Type: GrantFiled: July 17, 2017Date of Patent: June 11, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Sayuri Takahashi, Tatsuya Miyoshi, Haruki Matsuoka
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Patent number: 10312695Abstract: Provided is a power source control device that realizes multi-channel PWM control without using a timer port, and a power source control method for the same. A power source control device performs PWM control on a plurality of power source units that repeat an ON operation and an OFF operation in cycles having a predetermined PWM period. The power source control device includes: a generation unit configured to generate operation data for the entire PWM period, the operation data determining whether to cause the individual power source units to perform the ON operation or the OFF operation in cycles having a predetermined period that is shorter than the PWM period; and an output unit configured to output operation data generated by the generation unit to the plurality of power source units in cycles of the predetermined period.Type: GrantFiled: August 29, 2014Date of Patent: June 4, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventor: Yuuki Sugisawa
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Patent number: 10250041Abstract: This system can manage efficient operation control among distributed power sources without impairing their versatility. This power control system includes distributed power sources including a storage cell (12) and a power generation device (33) that generates power while a current sensor (40) detects forward power flow, and a power control device (20) including a first power converter (21) that converts AC power from a commercial power grid to DC power and supplies the DC power to the storage cell (12) during an interconnected operation, a supply unit that supplies power generated by the power generation device (33) to the storage cell (12) during an independent operation, and an independent operation switch (24) opened during the interconnected operation and closed during the independent operation to cause output from the first power converter (21) to flow in a forward power flow direction through the current sensor (40).Type: GrantFiled: April 18, 2014Date of Patent: April 2, 2019Assignee: KYOCERA CorporationInventors: Masaomi Satake, Tetsuya Takenaka
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Patent number: 10230235Abstract: A semiconductor device includes a power supply circuit which generates an output voltage to be supplied to a USB device connected to a USB connector, a sensing circuit which senses an output voltage or an output state of the power supply circuit, a control circuit which controls the power supply circuit, and a register which stores an output set voltage value associated with the power supply circuit or various types of information. The control circuit outputs a notification signal based on a result of sensing by the sensing circuit to the outside.Type: GrantFiled: January 27, 2017Date of Patent: March 12, 2019Assignee: RENESAS ELECTRONICS CORPORATIONInventor: Takefumi Endo
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Patent number: 10211639Abstract: The present disclosure is directed to a padmount transformer. The padmount transformer includes an electrical distribution transformer housed in a cabinet that can be mounted on a ground level platform or pad. High/medium voltage connectors of the electrical distribution transformer can connect to high/medium voltage terminals of a power supply network. Low voltage connectors of the electrical distribution transformer are configured to connect to low voltage terminals of one or more loads coupled to respective renewable energy sources. The high/medium voltage connectors and the low voltage connectors are housed in the cabinet. An energy storage apparatus is housed in the cabinet and is connected with the low voltage connectors for supplying power to the loads. Power can be supplied to the energy storage apparatus by the renewable energy sources. An inverter is operable for commanding the power supply direction at the energy storage apparatus and a control unit is configured to control the inverter.Type: GrantFiled: May 20, 2016Date of Patent: February 19, 2019Assignee: ABB Schweiz AGInventors: Carlo Cereda, Deia Bayoumi
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Patent number: 10211640Abstract: Sharing of load current in desired ratios between multiple electrical voltage sources is achieved without coupling between the sources by controlling a selection switch to select each voltage source for a proportion of the time at a high rate, the switching rate components being prevented from being seen by either the load or the sources through use of low-pass filters.Type: GrantFiled: July 14, 2016Date of Patent: February 19, 2019Assignee: KOOLBRIDGE SOLAR, INC.Inventor: Paul Wilkinson Dent
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Patent number: 10211671Abstract: An auxiliary A/C power supply system for use with a high power vending machine requiring more current at start up than is provided by a standard 110 volt, 15-16 amp service. The system includes an A/C controller including a microprocessor that selectively engages an inverter powered by a battery bank to provide auxiliary power on a cycle determined by the A/C controller according to the type of vending machine and according to environmental conditions such as ambient temperature, altitude and battery charge.Type: GrantFiled: March 24, 2016Date of Patent: February 19, 2019Assignee: KeepvendingUSA Holdings LLCInventor: Morris Douer
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Patent number: 10205615Abstract: A method is provided for digital Simultaneous Information and Energy Transfer (SIET), comprising the steps of receiving a serial SIET analog signal, and converting the serial SIET analog signal received into a parallel SIET analog signal, extracting an analog information signal and an analog energy signal from the parallel SIET analog signal, performing analog-to-digital conversion on the analog information signal to obtain a digital information signal, and performing information demodulation, parallel-to-serial conversion and decoding on the digital information signal in digital domain, and pre-processing the analog energy signal in analog domain and storing the preprocessed analog energy signal. As the information signal is processed in the digital domain and the energy signal is processed in the analog domain, the energy in the SIET signal can be full collected in receiving side.Type: GrantFiled: December 5, 2017Date of Patent: February 12, 2019Assignee: South University of Science & Technology of ChinaInventors: Yi Gong, Zhi Quan, Zidong Han
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Patent number: 10203737Abstract: A power distribution system includes a chassis with a plurality of ports that include a first port configured to communicate with powering devices and a second port configured to communicate with powered devices. A power distribution engine in the chassis is coupled to each of the plurality of ports. The power distribution engine determines that power available to the power distribution engine is insufficient to power a first powered device that is coupled to the first port, requests power from a first powering device that is coupled to the second port, and provides power that is received through the second port from the first powering device to the first powered device through the first port. In an embodiment, the first powered device and the second powered device are switch IHSs, the first port is configured as a trunk port, and the second port is configured as an access port.Type: GrantFiled: October 14, 2016Date of Patent: February 12, 2019Assignee: Dell Products L.P.Inventors: Victor B. Teeter, Andrew Berry
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Patent number: 10205283Abstract: Power outlets adapted for installation within an enclosure are provided. Power outlets are provided having a safety interlock adapted to prevent the creation of a hazardous condition within the enclosure as a result of the continued operation of an electrical device within the enclosed space. The safety interlock may include current limiting circuitry and hardware, hazard sensing devices interconnected with such current limiting circuitry and hardware or other circuit breaker switches, and combinations of such safety interlocks. The power outlets may also be adapted for installation within a movable enclosure, such as, for example, a drawer.Type: GrantFiled: April 13, 2017Date of Patent: February 12, 2019Assignee: JTech Solutions, Inc.Inventor: J. Scott Dickey