Title:
STOP METHOD FOR GAS TURBINE, CONTROL DEVICE FOR GAS TURBINE, AND GAS TURBINE PLANT
Document Type and Number:
Japanese Patent JP2018173004
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To safely stop a gas turbine while suppressing damage of an apparatus, and to bring the gas turbine into a stop state within a short time.SOLUTION: A stop method for a gas turbine executes a first suction amount decrease step (S4), a suction amount keeping step (S6) and a second suction amount decrease step (S8). In the first suction amount decrease step (S4), when a stop condition for stopping the gas turbine is satisfied (ECs), a suction amount adjuster is driven in such a manner that a suction amount of air sucked by a compressor of the gas turbine is decreased. In the suction amount keeping step (S6), when a suction amount keeping condition is satisfied during the execution of the first suction amount decrease step (S4), the drive of the suction amount adjuster is stopped. In the second suction amount decrease step (S8), when a cancellation condition is satisfied during the execution of the suction amount keeping step (S6), the suction amount adjuster is driven in such a manner that the suction amount is decreased until the suction amount adjuster is brought into a gas turbine stop time state.SELECTED DRAWING: Figure 6
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Inventors:
IWATANI JUNJI
YOSHIOKA SHINICHI
YOSHIOKA SHINICHI
Application Number:
JP2017070469A
Publication Date:
November 08, 2018
Filing Date:
March 31, 2017
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS
International Classes:
F02C9/50; F01D21/00; F02C9/22; F02C9/28
Attorney, Agent or Firm:
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma