Patents by Inventor Masao Tsuyuzaki
Masao Tsuyuzaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10642236Abstract: An electric power demand adjustment program management apparatus, comprises a server which includes: a communication unit that communicates with a plurality of customer terminals that manage customer devices through a communication network; a program unit that creates an electric power demand adjustment program showing a demand adjustment amount allocated to at least one first customer terminal selected from the plurality of customer terminals in each predetermined time segment, based on predetermined constraint conditions and predetermined information received from the plurality of customer terminals; a program executing unit that transmits the electric power demand adjustment program, and instructs the first customer terminal to execute the electric power demand adjustment program; and a providing unit that provides, when the program unit fails to create the electric power demand adjustment program, investigation result information including an investigation result for a cause of the failure.Type: GrantFiled: March 21, 2016Date of Patent: May 5, 2020Assignee: HITACHI, LTD.Inventors: Nobuyuki Ohama, Masao Tsuyuzaki, Itsuya Nishikawa, Masato Utsumi, Syuuichi Yoshida, Yasuhiro Kawai, Jyunpei Ogawa, Shingo Izumi
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Patent number: 10447035Abstract: A first profile of each of resources in which information about characteristics of the resources when creating negawatts by controlling operation of the resources and decreasing electric power consumption of the resources or creating posiwatts by increasing the electric power consumption of the resources, and information about contract content between an aggregator and a relevant consumer are described, and a first control scenario for each electric power trading form in which control content of the resources to decrease the electric power consumption is described are stored; a resource group composed of a plurality of resources is generated by combining the resources so that the negawatts or posiwatts which satisfy conditions of a trading target electric power product can be created, on the basis of the first profile of each resource; a control scenario is selected; and each of the resources constituting the generated resource group is controlled accordingly.Type: GrantFiled: February 27, 2013Date of Patent: October 15, 2019Assignee: Hitachi, Ltd.Inventors: Akiko Matsuda, Seiji Inagaki, Tohru Watanabe, Masao Tsuyuzaki, Masato Utsumi
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Patent number: 9935461Abstract: A consumer apparatus operation management system that prepares an operation plan of a consumer control apparatus in a power distribution system includes: an evaluation unit configured to acquire system information including a system topology and impedances in the power distribution system, to predict load amounts and power generation amounts for respective prescribed nodes, to generate a voltage distribution profile indicative of a correlation between a power transmission distance and a voltage transition based on the system information, the load amounts, and the power generation amounts, and to figure out an evaluation value based on a variation width of the voltage distribution profile and a specified voltage width; and a preparation unit configured to prepare an operation plan related to heat quantity control and/or electric-energy control in the consumer control apparatus based on the evaluation value.Type: GrantFiled: February 18, 2015Date of Patent: April 3, 2018Assignee: Hitachi, Ltd.Inventors: Hiroto Sasaki, Noriyuki Uchiyama, Masao Tsuyuzaki
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Publication number: 20180025423Abstract: A system for distributing electric energy on a power trading market, takes into account fluctuating adjustment capacity for power consumption among a plurality of customers. This power trading management system: performs a forecast in power prices; extracts information about a predetermined power product to be traded; adjusts a capacity forecast in the power consumption adjustment capacity which indicates the capacity to adjust power consumption is forecasted for each customer; prepares an adjustment plan by assigning electric energy to be traded to each customer on the basis of capacity to adjust power consumption; prepares a trading plan for the trading of power products on the basis of the adjustment plan; processes order information based on the trading plan and transmits the order information to a market operation management device; and transmits the adjustment plan to each customer.Type: ApplicationFiled: March 10, 2016Publication date: January 25, 2018Applicant: HITACHI, LTD.Inventors: Masato UTSUMI, Tohru WATANABE, Yoshihisa OKAMOTO, Masao TSUYUZAKI
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Patent number: 9727069Abstract: A power demand adjustment system and method that controls a plurality of sub-aggregators and electrical devices in a customer's facility based on information collected by the power company and the sub-aggregators. The method and system includes a comparison of the power company and sub-aggregator data which enables accurate accounting and control of the customer's electrical devices.Type: GrantFiled: February 2, 2012Date of Patent: August 8, 2017Assignee: HITACHI, LTD.Inventors: Tohru Watanabe, Masato Utsumi, Naohiro Yuasa, Masao Tsuyuzaki, Nobuhisa Kobayashi, Masao Tada, Yuuichi Ootake, Chiemi Tsuchiya
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Publication number: 20170097622Abstract: An electric power demand adjustment program management apparatus, comprises a server which includes: a communication unit that communicates with a plurality of customer terminals that manage customer devices through a communication network; a program unit that creates an electric power demand adjustment program showing a demand adjustment amount allocated to at least one first customer terminal selected from the plurality of customer terminals in each predetermined time segment, based on predetermined constraint conditions and predetermined information received from the plurality of customer terminals; a program executing unit that transmits the electric power demand adjustment program, and instructs the first customer terminal to execute the electric power demand adjustment program; and a providing unit that provides, when the program unit fails to create the electric power demand adjustment program, investigation result information including an investigation result for a cause of the failure.Type: ApplicationFiled: March 21, 2016Publication date: April 6, 2017Applicant: HITACHI, LTD.Inventors: Nobuyuki OHAMA, Masao TSUYUZAKI, Itsuya NISHIKAWA, Masato UTSUMI, Syuuichi YOSHIDA, Yasuhiro KAWAI, Jyunpei OGAWA, Shingo IZUMI
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Publication number: 20160013645Abstract: A first profile of each of resources in which information about characteristics of the resources when creating negawatts by controlling operation of the resources and decreasing electric power consumption of the resources or creating posiwatts by increasing the electric power consumption of the resources, and information about contract content between an aggregator and a relevant consumer are described, and a first control scenario for each electric power trading form in which control content of the resources to decrease the electric power consumption is described are stored; a resource group composed of a plurality of resources is generated by combining the resources so that the negawatts or posiwatts which satisfy conditions of a trading target electric power product can be created, on the basis of the first profile of each resource; a control scenario is selected; and each of the resources constituting the generated resource group is controlled accordingly.Type: ApplicationFiled: February 27, 2013Publication date: January 14, 2016Inventors: Akiko MATSUDA, Seiji INAGAKI, Tohru WATANABE, Masao TSUYUZAKI, Masato UTSUMI
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Publication number: 20150255982Abstract: A consumer apparatus operation management system that prepares an operation plan of a consumer control apparatus in a power distribution system includes: an evaluation unit configured to acquire system information including a system topology and impedances in the power distribution system, to predict load amounts and power generation amounts for respective prescribed nodes, to generate a voltage distribution profile indicative of a correlation between a power transmission distance and a voltage transition based on the system information, the load amounts, and the power generation amounts, and to figure out an evaluation value based on a variation width of the voltage distribution profile and a specified voltage width; and a preparation unit configured to prepare an operation plan related to heat quantity control and/or electric-energy control in the consumer control apparatus based on the evaluation value.Type: ApplicationFiled: February 18, 2015Publication date: September 10, 2015Inventors: Hiroto SASAKI, Noriyuki UCHIYAMA, Masao TSUYUZAKI
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Publication number: 20140379154Abstract: Technique is provided in which, with respect to adjustment of power use of a customer belonging to an agent, a result of the amount of adjustment pertaining to the agent is to calculated. A power demand adjustment system for adjusting power demand of a customer who concludes a power use contract via an agent, this power demand adjustment system including: an acquisition unit that acquires facility information indicating a customer facility for power use, and result information indicating a result of the power use of the customer; and a calculation unit that calculates, on the basis of the acquired facility information and the acquired result information, an actual adjustment amount, which is the result of power demand adjustment pertaining to the agent.Type: ApplicationFiled: February 2, 2012Publication date: December 25, 2014Applicant: HITACHI, LTD.Inventors: Tohru Watanabe, Masato Utsumi, Naohiro Yuasa, Masao Tsuyuzaki, Nobuhisa Kobayashi, Masao Tada, Yuuichi Ootake, Chiemi Tsuchiya
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Publication number: 20130234654Abstract: An electricity accumulation device has a dedicated charge terminal that connects to a distributed power generation system such as a solar power generation system and a grid-dedicated discharge terminal that connects to the power grid, a grid-dedicated charge terminal that connects to the power grid and a discharge terminal for discharging to an electric load such as an electric apparatus. The electric power charged to the electricity accumulation device can be made between an electric power generated by the distributed generation and an electric power generated by the power grid, by providing an electric power measurement device for each charge terminal and each discharge terminal that connects to the distributed generation, and thus charge and discharge control can be performed.Type: ApplicationFiled: October 26, 2011Publication date: September 12, 2013Applicant: HITACHI, LTD.Inventors: Kazutoshi Tsuchiya, Taminori Tomita, Masao Tsuyuzaki