Canon Kabushiki Kaisha

Sony Corporation

Other

Hitachi, Ltd.

Terarecon, Inc.

Tdk Corporation

Mitsubishi Hitachi Power Systems, Ltd.

Mitsubishi Power, Ltd.

Namco Bandai Games, Ltd.

Nissan Motor Company Limited

Shiseido Company, Limited

Max Co., Ltd.

Phone-or Ltd.

Hidan Co., Ltd.

Mitsubishi Power Systems, Ltd.

Kazuo Takahashi

Kazuyuki Yamamoto

Matsuomi Nishimura

Toshio Mamiya

Junichi Honda

Takashi Yamada

Mikichi Ban

Koji Suzuki

Masao Kosugi

Eiji Nakashio

Kiyoshi Takahashi

Motoaki Saito

Takashi Tamura

Kenryo Namba

Naoyuki Nagafuchi

Akihiko Kuroiwa

Hiroshi Sato

Hidetoshi Kabasawa

Osamu Ikeda

Naoki Ayata

Noriaki Hino

Mitsuaki Seki

Tomiji Tanaka

Minoru Watanabe

Shigeo Hatamiya

Shin Takahashi

Takuya Yoshida

Toshiharu Kobayashi

Nariyoshi Kobayashi

Akira Gunji

Kazuhito Koyama

Toshiyuki Nakagawa

Hideki Ina

Akiyoshi Suzuki

Takeshi Takahashi

Kenjiro Watanabe

Yasuhiro Yoshida

Akira Takahashi

Hiroshi Ozaki

Toru Yoshie

Fumio Takahashi

Yoshitaka Hirata

Takao Kuwabara

Akinori Hayashi

Mamoru Usami

Mitsuru Inoue

Hideo Niikura

Tiecheng T Zhao

Hiroyoshi Kubo

Motonobu Takeya

Alexander Paritsky

Chihiro Myoren

Teruo Inaguma

Manabu Aizawa

Eiji Oshima

Naohiro Kusumi

Shin Sasaki

Toshiki Aoi

Kyoichi Miyazaki

Shigeru Asami

Shinzo Uchiyama

Tomomichi Ito

Satoshi Mitani

Takashi Kamono

Bunei Hamasaki

Koji Ishioka

Shigeto Watanabe

Mitsugu Yamamura

Mikio Sugiki

Takaaki Sekiai

Sadaki Takata

Masaru Nyui

Shuichi Yabu

Fukuji Suzuki

Yotaro Sanada

Naoto Kojima

Yukinori Katagiri

Yoshimasa Miura

Hiromi Tokoi

Akihiko Noie

Tadashi Yoshida

Alexander Kots

Atsushi Tsutsumi

Shinichi Higuchi

Shigeo Kobayashi

Tatsuya Sekiguchi

Kanzo Okada

Yukio Yamane

Shouhei Yoshida

Hironori Tsukidate

Vikram Simha

Yutaka Mihara

Noriko Takeda

Tatsurou Yashiki

Satoshi Ohta

Ryou Akiyama

Eunkyeong Kim

Tetsuro Morisaki

A control device for a two-shaft gas turbine power generation facility includes: a basic output calculation unit which obtains a basic output command value in accordance with a required output; a component separation unit which divides the basic output command value into high and low frequency components; an opening degree command output unit which obtains an opening degree of a fuel adjustment valve and outputs an opening degree command to the fuel adjustment valve; a basic power transmission and reception amount calculation unit which obtains a basic power transmission and reception amount of the electric power between an induction motor and a power system on the basis of the high-frequency component; and a power transmission and reception command output unit which outputs a power transmission and reception command indicating a power transmission and reception amount in accordance with the basic power transmission and reception amount to a frequency converter.

Two-shaft gas turbine power generation facility, control device therefor, and control method therefor

Provided is a two-shaft gas turbine power generation equipment that includes: an induction motor which receives/transmits power from/to a power system; and a speed reducer that makes a rotational speed of a motor rotor of the induction motor lower than a rotational speed of a compressor rotor of a two-shaft gas turbine. The speed reducer includes: a compressor-side shaft; a motor-side shaft; a first compressor-side helical gear and a second compressor-side helical gear which are mounted on the compressor-side shaft; and a first motor-side helical gear and a second motor-side helical gear which are mounted on the motor-side shaft. The first compressor-side helical gear meshes with the first motor-side helical gear, and the second compressor-side helical gear meshes with the second motor-side helical gear.

Two-shaft gas turbine power generation equipment

Provided is a sensor device that includes a vibrator unit, an annular base portion, a plurality of coupling portions, and a wiring layer. The wiring layer includes a plurality of drive wirings and a plurality of detection wirings. The plurality of drive wirings are respectively connected to first and second drive electrodes while being adjacent and parallel to one another. The plurality of detection wirings are respectively connected to first and second detection electrodes while being adjacent and parallel to one another. The wiring layer is provided at each of the plurality of coupling portions to electrically connect a plurality of terminal portions provided in the base portion with a plurality of piezoelectric drive units and first and second piezoelectric detection units provided in the vibrator unit.

Sensor device, gyro sensor, and electronic apparatus

A two-shaft gas turbine facility includes a two-shaft gas turbine, an induction motor connected to a compressor of the two-shaft gas turbine, a secondary battery, a first frequency converter that controls power transmission and reception between a power system and the induction motor, and a second frequency converter that controls charging and discharging of power between the secondary battery and the power system. A first control unit of a control device causes power transmission and reception to be performed between the induction motor and the power system by the first frequency converter if a required output change rate is higher than a maximum output change rate. A second control unit causes the secondary battery to be charged and discharged by the second frequency converter if power to be transmitted to and received from the induction motor has reached maximum allowable power.

Two-shaft gas turbine power generating facility and control method for same

A two-shaft gas turbine having high operability is provided. The two-shaft gas turbine includes: a gas generator having a compressor, a combustor and a high pressure turbine; a power turbine having a low pressure turbine; a load connected to the power turbine; a motor/generator capable of rotatably driving the gas generator and capable of extracting power from the gas generator; electric equipment controlling the rotational driving and the power extraction by delivering electric power between the electric equipment and the motor/generator; and a control device controlling the electric equipment, wherein the combustor has a plurality of combustion regions to which a fuel is supplied through fuel adjustment means which are independent from each other, and the control device controls a delivery amount of the electric power delivered by the electric equipment corresponding to the number of combustion regions to which the fuel is supplied.

Two-shaft gas turbine

The dual-shaft gas turbine power generation system includes: a high-pressure gas turbine; a first rotating shaft connecting a compressor and the high-pressure gas turbine; an electric motor connected to the first rotating shaft; a governor which adjusts the amount of air taken into the compressor; a low-pressure gas turbine; a second rotating shaft connected to the low-pressure gas turbine; a synchronous power generator connected to the second rotating shaft; a frequency converter which converts the frequency of power transmitted between the synchronous power generator and the electric motor; and a control device which controls a frequency converter control device for controlling the frequency converter, and the governor, on the basis of a power output command value indicating the power to be outputted to an external grid.

Dual-shaft gas turbine power generation system, and control device and control method for gas turbine system

An apparatus for controlling a gas turbine combustor having a diffusion combustion burner and a premix combustion burner comprising: a rotating speed detector for detecting a rotating speed of gas turbine, a recorder for recording the detected value of the rotating speed of gas turbine detected by the rotating speed detector, an arithmetic unit for calculating a change with time of the rotating speed of gas turbine in accordance with details of the detected value of the rotating speed of gas turbine recorded in the recorder, and a fuel control unit for judging a starting situation of reduction in the rotating speed of gas turbine on the basis of the change with time of the rotating speed of gas turbine calculated by the arithmetic unit and controlling respectively a fuel flow rate for the diffusion combustion burner to be fed to the diffusion combustion burner installed in the gas turbine combustor and a fuel flow rate for the premix combustion to be fed to the premix combustion burner.

Method and apparatus for controlling gas turbine combustor

A sensor device and an electronic apparatus by which downsizing and a reduction in costs can be achieved is provided. A sensor device according to an embodiment of the present technology includes a sensor element and a semiconductor element. The semiconductor element includes a first surface, a second surface, and a via-hole. The first surface includes a first terminal on which the sensor element is mounted and is an inactive surface. The second surface includes a second terminal for external connection and is an active surface. The via-hole electrically connects the first surface and the second surface to each other.

Sensor device and electronic apparatus

Disclosed is a solar assisted combined cycle power plant having a compressor that pressurizes combustion air, a combustor that mixes and burns the combustion air and gas turbine fuel to generate a high-temperature combustion gas, a gas turbine that drives the compressor by using the combustion gas, an exhaust heat recovery steam generator that obtains steam from thermal energy of a gas exhausted from the gas turbine, and a steam turbine that is driven by using the steam obtained by the exhaust heat recovery steam generator. The solar assisted combined cycle power plant includes a solar collector to turn supplied water to warm water; a heat accumulator that stores pressurized hot water from the solar collector and the exhaust heat recovery steam generator; and a spray device that handles the pressurized hot water as spray water and sprays the spray water onto the air to be taken into the compressor.

Combined cycle power plant with solar assisted cooling of compressor inlet air

A piezoelectric device includes a vibrator, a piezoelectric drive unit, and a first piezoelectric detector. The vibrator includes a first surface, a first groove formed along a first axis direction, and a second groove formed to be parallel to the first groove. The piezoelectric drive unit includes a first electrode pair provided in the first groove and opposed to each other in a second axis direction orthogonal to the first axis direction and parallel to the first surface, and a first piezoelectric body provided between the first electrode pair, and is capable of vibrating the vibrator. The first piezoelectric detector includes a second electrode pair provided in the second groove and opposed to each other in the second axis direction, and a second piezoelectric body provided between the second electrode pair, and is capable of detecting a vibration of the vibrator.

Piezoelectric device and electronic apparatus

Provided is a gas turbine system capable of dealing with a request for output increase even when high-pressure hot water generated using solar thermal energy cannot be used according to the operating state of the gas turbine system. A gas turbine system which sucks in intake air from an air intake duct by a compressor and drives a gas turbine by combustion gas obtained by burning air and fuel by a combustor, said gas turbine system being provided with pipes for generating high-pressure hot water by providing a solar collecting tube that utilizes solar heat and spraying the high-pressure hot water into the intake air sucked in by the compressor, and pipes for spraying normal temperature water into the intake air sucked in by the compressor.

Gas turbine system, control device for gas turbine system, and control method for gas turbine system

An angular velocity sensor includes an annular frame, a drive part, and a detection part. The frame has first beams and second beams. The first beams extend in an a-axis direction and are opposed to each other in a b-axis direction orthogonal to the a-axis direction. The second beams extend in the b-axis direction and are opposed to each other in the a-axis direction. The drive part causes the frame to oscillate within an XY plane to which the a-axis and the b-axis belong, in an oscillation mode where, when one of the first and second beams come closer to each other, the other separates from each other. The detection part detects an angular velocity around an axis in the Z-axis direction orthogonal to the XY plane, based on an amount of deformation of the frame oscillating in the oscillation mode within the XY plane.

Angular velocity sensor, electronic apparatus, and method of detecting an angular velocity

A controller for use in a gas turbine power plant includes a compressor that compresses combustion air; a water-atomization cooling apparatus that sprays water drops of atomized water supplied via a water-atomization flow-rate regulating valve over a flow of air drawn in the compressor; a combustor that mixes the compressed combustion air with fuel to thereby burn a fuel-air mixture and generate combustion gas at high temperature and performs combustion switching during operation; a turbine that uses the combustion gas to drive the compressor and a generator; the water-atomization flow-rate regulating valve that controls a flow rate of the atomized water; and a compressor inlet inner blade that controls a flow rate of air drawn in the compressor. The controller includes control means that calculates a fuel-air ratio correction command signal for compensating for reduction in a fuel-air ratio in the combustor occurring during the combustion switching.

Control system for a gas turbine power plant

A cylindrical cosmetic container with an inner cap () inside a cap () fit outside an upper end of a container body (X) uses a first motion resistance at a halfway covering posture to an immediately preceding covering posture and a second motion resistance from the immediately preceding covering posture to a fully cover posture while the container body (X) is covered with the cap (), in which the inner cap () includes a protrusion () to deform towards an outer diameter side while applying the first motion resistance by being pressed into sliding contact with an extending upper end () of the container body (X) and a projection () projecting from an outer circumferential surface for applying the second motion resistance greater than the first motion resistance when a convex rib () moves over the projection ().

Cylindrical cosmetic container

Growing community of inventors

Tokyo, Japan

Kazuo Takahashi