Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MULTI-SHAFT VARIABLE-SPEED GAS TURBINE DEVICE AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2015/193979
Kind Code:
A1
Abstract:
A multi-shaft variable-speed gas turbine device characterized by being provided with: a multi-shaft gas turbine including a gas turbine compressor, a gas turbine combustor, a gas generator provided with a first turbine that causes the gas turbine compressor to be rotatingly driven, and a power turbine that is mechanically separated from the gas generator and provided with a second turbine and a primary motor that are rotatingly driven with exhaust gas of the gas generator; a secondary motor/generator connected with the gas generator; a frequency convertor that controls the secondary motor/generator; a fuel flow amount control means that adjusts an output via a fuel flow amount that is put into the gas turbine combustor; a limiting means that limits a change amount of the fuel flow amount; and a control device that determines a drive load on the gas turbine compressor in accordance with an output load with respect to a request load and controls the secondary motor/generator using the frequency converter.

Inventors:
KUSUMI Naohiro (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
HINO Noriaki (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
AUNG Kothet (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
JP2014/066084
Publication Date:
December 23, 2015
Filing Date:
June 18, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
International Classes:
F02C9/00; F02C7/057; F02C9/28
Foreign References:
US20060150633A12006-07-13
JP2010025069A2010-02-04
JP2013177860A2013-09-09
JP2007505261A2007-03-08
Attorney, Agent or Firm:
INOUE Manabu et al. (6-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 20, 〒1008220, JP)
Download PDF: