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Patent Searching and Data


Title:
GAS TURBINE, COMBINED CYCLE PLANT, AND ACTIVATION METHOD OF GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2016/052177
Kind Code:
A1
Abstract:
In order to improve performance and ensure safety of an appropriate clearance between a turbine casing side and a rotor blade, a gas turbine, a combined cycle plant, and an activation method of a gas turbine of the present invention are provided with: an air cooler (31) that supplies a cooling system of a rotor system in a turbine (23) with compressed air that has been cooled by heat exchange of compressed air extracted from a compressor (21); an air cooling bypass line (34) that bypasses the compressed air introduced into the air cooler (31); an electric valve (35) provided in the air cooling bypass line (34); and a control unit (101) that controls the opening and closing of the electric valve (35) such that, when a gas turbine (20) is operating, the degree of opening of the electric valve (35) is set at a low-level opening or below and such that, after an increase of the load of the gas turbine (20), the degree of opening of the electric valve (35) is set at or above the low-level opening.

Inventors:
INOUE MASAKAZU (JP)
MURAKAMI MASAYUKI (JP)
Application Number:
PCT/JP2015/076169
Publication Date:
April 07, 2016
Filing Date:
September 15, 2015
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D25/12; F01D11/24; F01D25/00; F01K23/10; F02C7/18; F02C7/28
Foreign References:
JP2008038807A2008-02-21
JP2013083250A2013-05-09
JPH11159306A1999-06-15
JP2013199925A2013-10-03
JP2003120328A2003-04-23
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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