Patents Examined by Toan T Vu
  • Patent number: 11791736
    Abstract: A power conversion apparatus connected to three or more voltage units, includes three or more power conversion circuits connected to respective units of the three or more voltage units; and a multiport transformer connected to the three or more power conversion circuits at mutually different ports, in which at least one voltage unit of the three or more voltage units is an electrical load.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: October 17, 2023
    Assignee: DENSO CORPORATION
    Inventors: Shuji Kurauchi, Yuichi Handa, Seiji Iyasu, Yuji Hayashi
  • Patent number: 11782077
    Abstract: Various embodiments are provided for conducting a power flow analysis using a set of line-wise power balance equations. In at least some embodiment, the set of line-wise power balance equations is solved using a Newton-Raphson technique. In various cases, the Jacobian matrix generated by the Newton-Raphson technique may directly indicate the transmission lines, or sets of transmission lines, which are most susceptible to voltage collapse. In at least one example application, the set of line-wise power balance equations may be used as equality constraints in an optimal power flow (OPF) formulation for solving an optimal power flow (OPF) problem.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 10, 2023
    Inventors: Balasubramanian Venkatesh, Amr Adel Fathy Mohamed
  • Patent number: 11764034
    Abstract: A plasma processing method according to an exemplary embodiment includes applying a first direct-current voltage to a lower electrode of a substrate support provided in a chamber of a plasma processing apparatus, in a first period during generation of plasma in the chamber. The plasma processing method further includes applying a second direct-current voltage to the lower electrode in a second period different from the first period during generation of plasma in the chamber. The second direct-current voltage has a level different from a level of the first direct-current voltage. The second direct-current voltage has a same polarity as a polarity of the first direct-current voltage.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 19, 2023
    Assignee: Tokyo Electron Limited
    Inventors: Chishio Koshimizu, Shin Hirotsu, Takenobu Ikeda, Koichi Nagami, Shinji Himori
  • Patent number: 11764679
    Abstract: Systems, apparatuses, and methods are described for a power device in a power system. The power device may include a plurality of power stages, which may reduce the number of connectors needed for the power system. The plurality of power stages in the same power device may allow the power device to be configured with additional functionalities.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: September 19, 2023
    Assignee: Solaredge Technologies Ltd.
    Inventors: Roy Shkoury, Ohad Gidon
  • Patent number: 11735925
    Abstract: A rotation calculation unit calculates a rotation speed of a virtual generator on the basis of a rotor model to simulate driving of the virtual generator and calculates the rotation speed of the virtual generator. A target power determination unit determines target values of active power and reactive power of an inverter on the basis of the calculated rotation speed. A command generation unit generates a control command for the inverter on the basis of the determined target values of the active power and the reactive power.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: August 22, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    Inventors: Kazuki Watanabe, Masato Mitsuhashi, Osamu Nakakita
  • Patent number: 11728674
    Abstract: A redundant power source ECU detects for failure of a power source of a primary system from a first DC-to-DC converter. In cases in which a failure has been detected during autonomous driving, the redundant power source ECU performs control to cause operation by a sub battery of a predetermined secondary system component that draws an inrush current, regardless of whether or not operation has been requested.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: August 15, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hikaru Shibata
  • Patent number: 11728645
    Abstract: A photovoltaic system, including: a plurality of photovoltaic panels having outputs connected in series as a string to provide a string output; a converter coupled to the string to receive the string output as an input and generate a direct current output from the input; a series connection of the string output and the direct current output; and a bus powered at least in part by the series connection of the string output and the direct current output.
    Type: Grant
    Filed: November 23, 2022
    Date of Patent: August 15, 2023
    Assignee: Tigo Energy, Inc.
    Inventors: Shmuel Arditi, Ron Hadar
  • Patent number: 11729928
    Abstract: The utility model provides a tower UPS frame and a tower UPS. The tower UPS frame comprises: a power supply module frame, which comprises two ports disposed oppositely; a power supply distribution frame; and a fan assembly, which comprises a fan frame and a fan fixed on the fan frame, wherein the power supply distribution frame and the fan frame are arranged in a same row as the power supply module frame and are detachably connected with the two ports of the power supply module frame. The tower UPS frame of the utility model is convenient in assembly and disassembly and reduces repair cost.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: August 15, 2023
    Assignee: SANTAK ELECTRONIC (SHENZHEN) CO., LTD.
    Inventors: Dan Liu, Dawei Zheng, Lei Cao, Lingfu Ou, Yunmei Wu
  • Patent number: 11715973
    Abstract: An uninterruptible power supply (UPS) includes a rectifier configured to receive alternating current (AC) power. The UPS further includes a first output connected to the rectifier through an inverter. The first output is configured to output an AC power supply. The UPS also includes a second output connected to the rectifier through a battery backup and a stepdown converter. The second output is configured to output a direct current (DC) power supply in response to a detected power anomaly condition, thereby providing extra redundancy that allows for increased power availability and uptime.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: August 1, 2023
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Banha Sok, Rameez K. Kazi, Shaun L. Harris, John J. Siegler
  • Patent number: 11715974
    Abstract: Systems, apparatuses, and methods are described for a versatile UPS. The versatile UPS is operative to provide power to a load and to an interconnected network for delivering electricity from producers to consumers (i.e., an electricity grid, or simply, “a grid”). The versatile UPS has a plurality of switches providing for a multiplicity of switching states. The output to the load, the grid, or both is dependent, at least in part, on the switching states. Related systems, methods and apparatus is also described.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: August 1, 2023
    Assignee: Solaredge Technologies Ltd.
    Inventors: Natan Schecter, Yehuda D. Levy, Aryeh Zafranski, Alexander Savernin, Anatoly Granaturov, Tomer Kugman
  • Patent number: 11705751
    Abstract: Aspects of the disclosure include a power system comprising a power-supply device having an output, the power-supply device being configured to provide output power to the output of the power-supply device, and control circuitry configured to receive voltage information indicative of a voltage of a battery, determine that the voltage of the battery is above a first voltage threshold, activate a shutdown signal responsive to determining that the voltage of the battery is above the first voltage threshold, determine that the voltage of the battery is below a second voltage threshold, the second voltage threshold being less than the first voltage threshold, control the power-supply device to disable the output power to the output of the power-supply device responsive to determining that the voltage of the battery is below the second voltage threshold and that the shutdown signal is activated, and control the power-supply device to provide the output power to the output of the power-supply device responsive to de
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: July 18, 2023
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Xia Wei, Chenlei Bao, Tongfei Zhang, Jingli Liu
  • Patent number: 11699906
    Abstract: A string inverter control method includes: in a process of performing IV curve scanning on one or more first direct current/direct current step-up circuits, controlling a change of an output voltage of one or more second direct current/direct current step-up circuits on which the IV curve scanning does not need to be performed, where a change trend of the output voltage and a change trend of an input voltage of the one or more first direct current/direct current step-up circuits on which the IV curve scanning is performed present a non-strictly monotonically increasing relationship. Therefore, for the direct current/direct current step-up circuit on which the IV curve scanning is performed, a voltage difference between two ends of the direct current/direct current step-up circuit is not always in a relatively high state, so that a ripple current on an input inductor in the direct current/direct current step-up circuit can be reduced.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: July 11, 2023
    Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
    Inventors: Xinyu Yu, Kai Xin
  • Patent number: 11691528
    Abstract: A station constituted of: a control circuit; a first and a second bi-directional converter, each in communication with the control circuit, each arranged to be coupled to a respective plug-in electrical vehicle at a respective first port thereof; and a connection to an AC grid, wherein the control circuit is arranged to: draw electrical energy from a first plug-in electrical vehicle coupled to the first port of the first bi-directional converter; and provide at least some of the drawn electrical energy to a second plug-in electrical vehicle coupled to the first port of the second bi-directional converter.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: July 4, 2023
    Assignee: ZOOZ POWER LTD
    Inventors: Ilan Ben David, David Pincu, Nir Zohar
  • Patent number: 11689016
    Abstract: A solar power generation network shut-off unit includes a first circuit breaker and second circuit breakers. The first circuit breaker is provided to a power line connecting a plurality of solar power generation modules and a power conditioner in series, and shut-off the supply of power from the solar power generation modules through the power line and transmits an emergency shut-off signal when an emergency shut-off button is pressed. The second circuit breakers are provided to each of a plurality of solar power generation modules, and shut-off the supply of power from the plurality of solar power generation modules through the power line and transmit a shut-off completion signal to the first circuit breaker when an emergency shut-off signal is received from the first circuit breaker.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: June 27, 2023
    Assignee: OMRON CORPORATION
    Inventors: Hideaki Kojima, Ryo Ogura, Mitsunori Sugiura
  • Patent number: 11682922
    Abstract: A method and system for contraband detection is provided that allows for the determining whether devices are authorized to receive power from an outlet. A power adapter and/or an outlet authenticate a device when it is connected to the outlet through the power adapter. On the basis of this authentication, a determination is made whether the devices are to receive power from the outlet. If the device is authorized, the outlet is activated, transitioning from inactive state (where no power is relayed through the outlet) to an active state (where power is relayed through the outlet).
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: June 20, 2023
    Assignee: Global Tel* Link Corporation
    Inventor: Stephen L. Hodge
  • Patent number: 11677266
    Abstract: An apparatus provides a single split-bus electrical panel with back-feed circuit breakers arranged and sized so that, for example, a single 225 A rated split-bus electrical panel with a 200 A main breaker may be used to connect a far higher photovoltaic power source than conventional configurations. The circuit breakers are connected to a Microgrid Interconnection Device for isolation of critical loads during a utility power outage. A first panel section of the split-bus panel is connected to a utility and supplies power to non-critical loads. A second panel section is connected to a renewable power source with battery back-up to supply power to the critical loads and is connected through a relay to the utility, in parallel with the first panel section, to supply both utility power and renewable power when there is no outage. The relay is configured to isolate the second panel when there is a utility outage.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: June 13, 2023
    Assignee: Schneider Electric USA, Inc.
    Inventor: Timothy Phillips
  • Patent number: 11673479
    Abstract: A circuit arrangement (11) for supplying an electric vehicle with power comprises a battery (10) with a first terminal (16) and a second terminal (17), and a reference potential terminal (12) directly connected to the second terminal (17) of the battery (10). The circuit arrangement (11) further comprises a first output (18) that is coupled to the first terminal (16) of the battery (10) via a first switch (20) and that is configured to be connected to an electric machine (33) of the electric vehicle, and a second output (19) that is coupled to the first terminal (16) of the battery (10) and that is configured to be connected to a power net (34) of the electric vehicle. Furthermore, a power system (32) for an electric vehicle comprises the circuit arrangement (11), an electric machine (33) and a power net (34). The first output (18) is coupled to the electric machine (33) and the second output (19) is coupled to the power net (34).
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: June 13, 2023
    Assignee: Molabo GmbH
    Inventors: Andreas Baumgardt, Adrian Patzak, Florian Bachheibl
  • Patent number: 11677247
    Abstract: A method for regulating a decentralized energy generating system with a plurality of inverters (IN) is disclosed. The method includes receiving at the PPC a detected active power, reactive power and voltage amplitude at a grid connection point (PCC) of the energy generating system; and regulating, in a normal operating mode of the energy generating system, the reactive power and the active power to target values stipulated by a grid operator by virtue of the central control unit (PPC) dividing the stipulated target values into individual target stipulations for the plurality of inverters (IN) and communicating individual target stipulations to the inverters (IN). The method further includes selectively changing to a special operating mode of the energy generating system if particular criteria are present at the grid connection point (PCC) in a stipulated time interval.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: June 13, 2023
    Assignee: SMA Solar Technology AG
    Inventors: Daniel Premm, Cornelius Fuetterer, Oliver Glitza
  • Patent number: 11677334
    Abstract: The present invention discloses a modular intelligent combined wind power converter and a control method thereof. The modular intelligent combined wind power converter comprises separate bridge arm power units, wherein a plurality of the bridge arm power units are connected in parallel to form a high-capacity bridge arm power module, three bridge arm power modules form a three-phase full-controlled bridge power module, and the three-phase full-controlled bridge power module comprises an electric reactor, a capacitor, a fuse and a circuit breaker to form a basic converter module, and the basic converter module forms a high-capacity wind power converter through a modular intelligent combination method.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: June 13, 2023
    Assignee: SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Xu Cai, Han Wang, Jianwen Zhang, Gang Shi, Jing Lv, Yunfeng Cao, Haoshu Shao, Yao Qin, Wei Lv
  • Patent number: 11664633
    Abstract: Disclosed is a power wiring device which comprises: at least one elongated wiring member which includes a plurality of first connectors and allows the first connectors to be mutually electrically conducted; and a plurality of circuit modules each including a second connector which is mechanically and electrically attachable to and detachable from any of the first connectors, wherein the plurality of circuit modules include: at least one energy harvesting module as a circuit module capable of outputting power generated by energy harvesting from the second connector; and at least one load module as a circuit module capable of consuming power input from the second connector.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: May 30, 2023
    Assignee: ZEON CORPORATION
    Inventors: Masayoshi Yoshida, Kiyoshige Kojima