Patents Assigned to Toshiba Energy Systems & Solutions Corporation
  • Patent number: 11418056
    Abstract: A monitoring control system includes: at least one transmission monitoring control subsystem; and at least one distribution monitoring control subsystem. The transmission monitoring control subsystem and the distribution monitoring control subsystem respectively include an operation procedure creation unit that creates an operation procedure that defines a procedure of an operation for a facility installed in an electric power system, and an operation unit that, in a case an on-site operation that cannot be remotely performed on the facility is included in the operation procedure, transmits, to an on-site terminal associated with the on-site operation, a start confirmation instruction to confirm whether or not the on-site operation can be started and the operation procedure for the on-site operation. The monitoring control system performs monitoring control of the power transmission system and the power distribution system based on the operation procedure.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 16, 2022
    Assignees: Toshiba Energy Systems & Solutions Corporation, Tokyo Electric Power Company Holdings, Incorporated
    Inventors: Hiroaki Fujiura, Masami Onishi, Hirofumi Fujii, Hiroaki Sato, Koichi Takeuchi, Junya Yamamoto, Takashi Eguchi, Tomohiro Kubo, Masanori Endo, Kenji Kitami, Takaaki Hosaka, Jun Inoue
  • Publication number: 20220246970
    Abstract: Provided is a protective-layer-coated-interconnector, a cell stack, and a fuel cell. A component (particularly Cr) of the interconnector is prevented from diffusing even if the interconnector is exposed to high temperature for a long time. The interconnector has sufficient diffusion barrier-performance and protective performance. [Solution] A protective-layer-coated-interconnector, a cell stack including the interconnector, and a fuel cell including the interconnector, wherein the interconnector includes an interconnector material and a protective layer on the surface of the interconnector material, wherein the interconnector material is composed of a Fe—Cr alloy containing a rare earth element or a Zr element in a total amount of 1.0 weight % or less, and wherein the protective layer is composed of a Co oxide or an oxide containing: at least one element selected from the group consisting of Al, Ti, Cr, Fe, Ni, Cu, and Zn; and a Co element.
    Type: Application
    Filed: February 2, 2022
    Publication date: August 4, 2022
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shohei KOBAYASHI, Tsuneji KAMEDA, Masahiro ASAYAMA, Masato YOSHINO, Norikazu OSADA, Riko INUZUKA
  • Patent number: 11391184
    Abstract: In one embodiment, a plant control apparatus includes a first stop controller configured to, when stopping a plant, stop a steam turbine to start to drop rotating speed of a second shaft of the steam turbine from rated speed, and start to drop rotating speed of a first shaft of a gas turbine from the rated speed while continuing combustion of a combustor after the stop of the steam turbine. The apparatus further includes a second stop controller configured to shut off fuel of the combustor to stop the gas turbine when the rotating speed of the first shaft drops to first speed. The second stop controller stops the gas turbine such that the rotating speed of the first shaft catches up with the rotating speed of the second shaft at second speed that is equal to or lower than the first speed and a clutch is engaged.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: July 19, 2022
    Assignees: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, TOSHIBA PLANT SYSTEMS & SERVICES CORPORATION
    Inventors: Mohammed Ameen Abbas Alzuraiqi, Masayuki Tobo, Yuta Iwata, Mizu Kajihara, Shinobu Chiba
  • Publication number: 20220224120
    Abstract: A power control device for a hydrogen system according to the present embodiment is a power control device configured to control a supply of generated power generated by a renewable energy generation device, and includes an acquirer and a controller. The acquirer acquires information related to an amount of power sale in a predetermined period. The controller controls the power supplier of the renewable energy generation device to sell power from the generated power, such that the integrated value of the power sale in time series in a predetermined period becomes the power sale amount. The controller makes an average value of the power sale in a first period within the predetermined period larger than the average value of a second period within the predetermined period after the first period.
    Type: Application
    Filed: January 7, 2022
    Publication date: July 14, 2022
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shingo TAMARU, Takashi AKIBA, Fumiyuki YAMANE, Hirofumi KURITA
  • Publication number: 20220199887
    Abstract: A connection structure for a superconducting layer according to an embodiment includes a first superconducting layer; a second superconducting layer; and a connection layer disposed between the first superconducting layer and the second superconducting layer, the connection layer including crystal grains containing a rare earth element (RE), barium (Ba), copper (Cu), and oxygen (O), the crystal grains having a grain size distribution including a bimodal distribution. The bimodal distribution includes a first distribution including a first peak and a second distribution including a second peak. A first grain size corresponding to the first peak is larger than a second grain size corresponding to the second peak. Among the crystal grains, crystal grains having a grain size corresponding to the first distribution include a crystal grain having a plate shape or a flat shape.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 23, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Masaya Hagiwara, Tomoko Eguchi, Keiko Albessard, Yasushi Hattori
  • Patent number: 11358092
    Abstract: The embodiments provide an acidic gas absorbent kept from deterioration, an acidic gas removal method using the absorbent, and an acidic gas removal apparatus using the same. The acidic gas absorbent contains an amine compound and water, and further contains superfine bubble containing inert gas wherein an average diameter of said superfine bubble is 150 nm or less. The acidic gas removal method provided here employs that absorbent. The acidic gas removal apparatus is equipped with a unit for introducing the superfine bubbles into the absorbent.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: June 14, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Akiko Suzuki, Yoshihiko Nakano, Reiko Yoshimura, Toshihiro Imada, Takashi Kuboki, Kenji Sano, Mitsuru Udatsu
  • Patent number: 11359515
    Abstract: The steam valve driving apparatus according to an embodiment is a steam valve driving apparatus regulating open and close position of a valve body. The steam valve driving apparatus includes: a plurality of hydraulic cylinders that presses the valve body in an opening direction. Each of the hydraulic cylinders includes: a piston rod extending outward from a piston in the opening direction; and an open-side cylinder chamber arranged in the opposite side of the piston with respect to the piston and to which hydraulic oil is supplied. The hydraulic cylinder is disposed on a side opposite to the valve body with respect to a closing spring pressing the valve body in a closing direction.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: June 14, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Kazuhiro Yokoshima, Osamu Shindo
  • Patent number: 11359942
    Abstract: According to one embodiment, a holding apparatus includes a holding mechanism, a movement mechanism, a measuring instrument, a detector, and a controller. The holding mechanism holds a mobile body. The mobile body is movable through a gap between first and second structure bodies. The first structure body is columnar and extends in a first direction. The second structure body is tubular and is located around the first structure body along a first plane perpendicular to the first direction. The movement mechanism moves the holding mechanism along a circumferential direction around the first direction. The measuring instrument measures a movement amount in the circumferential direction of the holding mechanism. The detector detects a tilt of the holding mechanism in the first plane. The controller operates the movement mechanism and moves the holding mechanism based on a measurement result of the measuring instrument and a detection result of the first detector.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: June 14, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventor: Hiroaki Kuwahara
  • Patent number: 11359843
    Abstract: According to one embodiment, there is provided a refrigeration system including detectors, each of which detects a phase indicative of a displacement of a displacer of each of cryogenic refrigerators; a processor that calculates an operation frequency of a motor of each of the cryogenic refrigerators, which is a frequency that suppresses oscillations or noises generated by reciprocating motions of the displacer of each of the cryogenic refrigerators, based on a detection result obtained by each of the detectors; and drivers, each of which drives the motor of each of the cryogenic refrigerators based on a calculation result obtained by the processor.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: June 14, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Hayato Nezuka, Shohei Takami, Tomofumi Orikasa
  • Publication number: 20220181569
    Abstract: The embodiment provides a stable patterned transparent electrode with low resistance and simple production, a method of producing the same, and an electronic device using the same. A transparent electrode according to an embodiment is a transparent electrode including a transparent substrate and a plurality of conductive regions disposed on a surface of the transparent substrate and separated from each other by a high resistance region, wherein the conductive regions have a structure in which a first transparent conductive metal oxide layer, a metal layer, a second transparent conductive metal oxide layer, and a graphene-containing layer are laminated in order from the side of the substrate, and the transparent electrode with no compound having a graphene skeleton in the high resistance region can be produced by forming the graphene-containing layer and then patterning.
    Type: Application
    Filed: February 28, 2022
    Publication date: June 9, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Naomi SHIDA, Katsuyuki NAITO, Yutaka SAITA
  • Publication number: 20220181524
    Abstract: The embodiment provides a transparent electrode having low resistance and high stability against impurities such as halogen and sulfur, a method of producing the transparent electrode, and an electronic device using the transparent electrode. A transparent electrode according to an embodiment includes a transparent substrate and a plurality of conductive regions disposed on a surface of the transparent substrate and separated from each other by a separation region, wherein the conductive region has a structure in which a first transparent conductive metal oxide layer, a metal layer, and a second transparent conductive metal oxide layer are laminated in this order from the substrate side, and in the separation region, there is disposed a trapping material. This transparent electrode can be produced by scribing the conductive region to form a separation region, and then using a halide or a sulfur compound.
    Type: Application
    Filed: February 28, 2022
    Publication date: June 9, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Katsuyuki NAITO, Naomi SHIDA, Yutaka SAITA
  • Publication number: 20220179382
    Abstract: A power prediction device according to the present embodiments includes an evaluation-value generator and a prediction circuit. The evaluation-value generator is configured to generate a time-series evaluation value based on a time-series error of weather-related forecast data. The prediction circuit is configured to, as for a time and an amount of power of demand response that changes a pattern of power consumption or power production, predict at least the time in accordance with the time-series evaluation value.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 9, 2022
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Takashi AKIBA, Shingo TAMARU, Fumiyuki YAMANE, Hirofumi KURITA
  • Publication number: 20220170871
    Abstract: According to one embodiment of the invention, an electrode evaluation method includes applying a voltage to an electrode with at least a part of the electrode including silver in contact with a liquid including an anion. The electrode evaluation method includes measuring a sheet resistance of the electrode after the applying.
    Type: Application
    Filed: February 14, 2022
    Publication date: June 2, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Katsuyuki NAITO, Naomi SHIDA, Yutaka SAITA
  • Patent number: 11349408
    Abstract: A power supply system according to the present embodiment includes a plurality of first power converters configured to supply power according to dispatching characteristics of power to be supplied to a load, and a plurality of control devices each configured to associate a change ratio of active power to an output frequency of each of the first power converters with the dispatching characteristics and control each of the first power converters based on the change ratio.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: May 31, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shunsuke Kawachi, Koji Toba, Daigo Kittaka
  • Patent number: 11346885
    Abstract: According to one embodiment, a winding interlayer short-circuit detection apparatus includes a processor configured to perform at least an interlayer short-circuit detecting process to detect, based on a difference between a measurement value of a field current in a field winding of a brushless exciter and a reference value, and based on a difference between a calculated value of an armature reaction voltage induced in the field winding of the brushless exciter and a reference value, a presence or absence of an interlayer short-circuit that may occur in any of the field winding of the brushless exciter, an armature winding of the brushless exciter, and a field winding of a rotary electric machine body.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: May 31, 2022
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions Corporation
    Inventors: Takahiro Sato, Masafumi Fujita, Norio Takahashi, Ken Nagakura, Koji Ando, Yoichi Tomoe
  • Publication number: 20220165532
    Abstract: According to one embodiment, a switch device includes a container configured to house a gas, a cathode located in the container, a first anode located in the container, and a second anode located in the container. A second direction from the cathode toward the second anode crosses a first direction from the cathode toward the first anode. A second distance between the cathode and the second anode is greater than a first distance between the cathode and the first anode.
    Type: Application
    Filed: August 23, 2021
    Publication date: May 26, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Hisao MIYAZAKI, Hisashi YOSHIDA, Shigeya KIMURA
  • Publication number: 20220161292
    Abstract: According to one embodiment of the invention, a coating apparatus includes a first pipe, a first pump, a first nozzle, a second nozzle, and a holder. The first pipe includes a first inflow port, a first outflow port, and a second outflow port. The first pump is configured to supply liquid toward the first inflow port. The first nozzle includes a first nozzle inflow port and a first nozzle discharge port. The first nozzle inflow port is connected to the first outflow port. The first nozzle discharge port is configured to discharge the liquid passing through the first pipe. The second nozzle includes a second nozzle inflow port and a second discharge port. The second nozzle inflow port is connected to the second outflow port. The second nozzle discharge port is configured to discharge the liquid passing through the first pipe. The holder holds the first nozzle and the second nozzle. The holder is configured to form a first state and a second state.
    Type: Application
    Filed: February 14, 2022
    Publication date: May 26, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Katsuyuki NAITO, Naomi SHIDA, Kohei NARA, Takahiro KOKUBO, Hiroaki HIRAZAWA, Yutaka SAITA
  • Publication number: 20220166369
    Abstract: According to one embodiment, a power generation element includes a first conductive region including a first surface, a plurality of second conductive regions, and a plurality of insulating structure regions. The second conductive regions are arranged along the first surface. A gap is provided between the second conductive regions and the first surface. One of the structure regions is provided between one of the second conductive regions and the first surface. An other one of the structure regions is provided between an other one of the second conductive regions and the first surface.
    Type: Application
    Filed: August 11, 2021
    Publication date: May 26, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shigeya KIMURA, Hisashi YOSHIDA, Hisao MIYAZAKI, Hiroshi TOMITA, Souichi UENO, Takeshi HOSHI, Tatsuo SHIMIZU
  • Publication number: 20220166198
    Abstract: A gas insulation apparatus has a sealed container, an insulation gas, a high-voltage portion, and a removal material. The insulation gas has CO2 and O2 filling the sealed container as main components. The high-voltage portion is stored in the sealed container. The removal material reduces concentrations of HF, CO, and O3 in the insulation gas.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 26, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Tomohiro HASEGAWA, Tooru INOUE, Norimitsu KATO, Amane MAJIMA, Toshiyuki UCHII
  • Publication number: 20220156828
    Abstract: According to one embodiment, an information processing device includes processing circuitry configured to calculate a first index based on a plurality of pieces of first prediction data on an amount of electric power generated by a first electric power generation resource and a penalty imposed when an amount of electric power supplied to an electric power system is insufficient or excessive for a first amount of electric power which corresponds to a planned value of electric power generation amount, the first index being an index related to a yield obtained in a case that the first amount of electric power is tentatively bid in a first market; and determine a second amount of electric power to be bid in the first market based on the first index.
    Type: Application
    Filed: September 9, 2021
    Publication date: May 19, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Hideyuki AISU, Takufumi YOSHIDA, Shigeta KUNINOBU, Hiromasa SHIN, Yoshiaki SHIGA, Kotaro KIMURA, Yuki HAYASHI