Kabushiki Kaisha Toshiba

Yasuyuki Nishibayashi

Masahiro Takagi

Yoriko Utsunomiya

Tomoko Adachi

Tetsu Nakajima

Tomoya Tandai

Shinya Murai

Masataka Goto

Kotaro Ise

Keiichi Teramoto

Kensaku Yamaguchi

Mika Minematsu

Daisuke Takeda

Yusuke Doi

Fumiaki Kanayama

Ikuya Aoyama

Shingo Tanaka

Hiroshi Kawazoe

Yuki Yonezawa

Yasuyuki Tanaka

Takeshi Saito

Yoshihiro Oba

Takafumi Sakamoto

Mitsuru Kanda

Kiyoshi Toshimitsu

Kazumi Sato

Naoki Esaka

Yasuro Shobatake

Yoshiki Terashima

Noritaka Deguchi

Takahisa Wada

Yuji Tohzaka

Yoichi Morishima

Akihito Takahashi

Masahiro Yamazaki

According to an embodiment, a wireless communication device includes a determiner, and an executor. The determiner is configured to determine whether the wireless communication device can continue operation by a stored electric power in which remaining capacity changes according to operation of the wireless communication device for a predetermined period, based on information including an operation timing associated with a cycle in which a management server. The executor is configured to execute an operation in which the data is transmitted and received between the other wireless communication device and the management server via the wireless communication device when the wireless communication device is able to continue the operation, and otherwise, cause the wireless communication device to move into intermittent operation and causes the other communication device to transmit the data to the management server not via the wireless communication device.

Wireless communication device and wireless communication system

According to one embodiment, a control device in a power electronics device includes a controller, a configuration determiner and a manager. The controller performs control associated with power conversion, in accordance with a first logical configuration of control between the power electronics device and other power electronics device. The configuration determiner performs determination processing of a second logical configuration when a change condition of the first logical configuration is satisfied. The manager instructs the controller to perform the control in accordance with the second logical configuration, the manager performing management such that the controller performs the control in accordance with previously given control information for a period after the change condition of the first logical configuration is satisfied and until the manager instructs the controller to perform the control associated with the power conversion in accordance with the second logical configuration.

Power electronics device, control method, and non-transitory computer readable medium

A physical frame is constructed, the physical frame including a medium access control super-frame payload which in turn includes a plurality of medium access control frames. With respect to the constructed physical frame, virtual carrier sense information is set in the plurality of medium access control frame so that a result of carrier sense is identical to another by virtual carrier sense based on the plurality of medium access control frames in the medium access control super-frame payload. The physical frame in which the virtual carrier sense information has been set is transmitted to a destined communication apparatus.

Communication apparatus, communication method, and communication system

An energy management device includes a measurement manager and a communicator. The measurement manager manages energy information based on a physical quantity measured from at least one measurement object belonging to each of a plurality of energy types in a customer. The communicator communicates the energy information of each of the energy types to another device over a network.

Energy management device, energy management system, and energy management method

According to one embodiment, there is provided a power electronics device including: a connector connected to a power line; a power controller; a connection detection processor; and a collision monitor. The power controller performs at least one of generating an electric signal to the power line and detecting an electric signal on the power line via the connector. The connection detection processor performs a connection detection process with use of the power controller to detect another power electronics device connected to the power line. The collision monitor monitors whether or not collision of electric signals occurs on the power line during the connection detection process and controls the connection detection processor according to a monitoring result of whether or not the collision of electric signals occurs.

Power electronics device, device detection method, and program

According to one embodiment, there is provided a power electronics device in which a selects a first power electronics device and a second power electronics device from power electronics devices, based on power attribute information and communication attribute information of each power electronics device, and the first power electronics device is a master of power allocation control of electric energy that the power electronics devices connected to one power line of power lines perform input and output on the one power line, and the second power electronics device is a master of output power phase synchronization control of power which the power electronics devices connected to the one power line outputs to the one power line.

Power electronics device, cooperative control method and non-transitory computer readable medium

According to some embodiments, there is provided a power electronics device including: a controlling unit, a determining unit, a confirming unit and a determining unit. The controlling unit performs surveillance/control concerning an input/output of power to a power line with other power electronics devices connected via the power line. The determining unit determines a master device which is a subject of the surveillance/control and a slave device which is controlled by the master device, based on power characteristic information of the other power electronics devices from among the other power electronics devices and the power electronics device. The confirming unit confirms whether the master device and the slave device determined by the determining unit are matched with the master device and the slave device determined by the other power electronics devices. The determining unit permits a start of the surveillance/control when matching is determined by the confirming unit.

Power electronics device, communication device, cooperative control method and computer readable medium

There is provided a power electronics device including: a first connection unit, a second connection unit, a power conversion unit and a control unit. The first connection unit and the second connection unit are connected to a first power line and a second power line of plural power lines. The power conversion unit converts power from one of the first and second connection units outputs converted power from the other of the first and second connection units. The control unit selects a master device from power electronics devices connected to a third power line that is one of the power lines including the first power line and the second power line, based on power conversion characteristic information of the power electronics devices. The master device controls other power electronics devices except the master device out of the power electronics devices, regarding output of power to the third power line.

Power electronics device, cooperative control method, cooperative control system and computer readable medium

One embodiment provides a charge/discharge instruction apparatus, including: a charge/discharge instruction unit which instructs a charge/discharge determination apparatus to perform a charge/discharge control of a battery; a charge/discharge information storage unit which stores charge/discharge information for charging/discharging the battery; a control unit which controls an access request to the battery based on the stored charge/discharge information and contents of the charge/discharge control; a generating unit which generates a communication message concerned with the access request controlled by the control unit; and a communication unit which transmits the communication message concerned with the access request to the charge/discharge determination apparatus.

Charge/discharge instruction apparatus, charge/discharge instruction method and charge/discharge instruction program

According to one embodiment, there is provided a charge/discharge instruction apparatus including: a communicating unit, a communication frequency deciding unit, an information collecting unit and a charge/discharge managing unit. The communicating unit communicates with a battery storage system. The communication frequency deciding unit decides a collection frequency of Information related to the battery storage system according to a state of the battery storage system. The information collecting unit collects the information from the battery storage system at the collection frequency decided in the communication frequency deciding unit. The charge/discharge managing unit controls at least one of charge and discharge of the battery storage system based on the information collected in the information collecting unit.

Charge/discharge instruction apparatus, charge/discharge system, charge/discharge management method and computer readable medium

In one embodiment, there is provided a charge-discharge instructing apparatus. The apparatus includes: an acquiring module configured to acquire specific information and location information for each of a plurality of battery energy storage systems, wherein the specific information represents an electrical characteristic of a battery of each of the battery energy storage systems, and the location information represents an installation position of each of the battery energy storage systems; a group determining module configured to select some of the battery energy storage systems from among the plurality of battery energy storage systems to make a group composed of the selected battery energy storage systems, based on the specific information and the location information; and a managing module configured to send a charge-discharge control instruction to the battery energy storage systems belonging to the group.

Charge/discharge instructing apparatus and non-transitory computer readable medium

According to an embodiment, a charge-discharge control device includes a receiving unit and a group controller. The receiving unit is configured to receive schedule information that indicates a schedule time at which a plurality of electric power devices, each having at least either a charging function or a discharging function, performs at least either charging or discharging. The group controller is configured to, according to the schedule information, perform grouping in such a way that each of the electric power devices belongs to either one of a charging group for performing charging and a discharging group for performing discharging, and control, on a group-by-group basis, each of the electric power devices put in the charging group and each of the electric power devices put in the discharging group.

Charge-discharge control device, charge-discharge control system, and computer program product

Growing community of inventors

Kawasaki, Japan

Yasuyuki Nishibayashi