IP Library Granted Patent US 12,111,627
Granted Patent B2
US 12,111,627 · App. 17/618,096 · Granted Oct 8, 2024

Arithmetic operation device, plant, arithmetic operation method and program

Inventors: Wataru Nagasaka (Kanagawa, JP); Masayuki Murakami (Kanagawa, JP); Itaru Endo (Kanagawa, JP); Naoyuki Nagafuchi (Kanagawa, JP)
Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
G05B19/0428G06Q10/20G05B2219/2639
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Quick Facts
Patent No.
US 12,111,627
App. No.
17/618,096
Granted
Oct 8, 2024
Kind
B2
Abstract

An arithmetic operation device includes a performance calculation unit that is configured to calculate performance of a plant before introduction of a part and the performance of the plant after the introduction of the part for each of combinations of a plurality of loads in the plant and a plurality of atmospheric temperatures around the plant, a storage unit that is configured to store a data table indicating a percentage of an operating time of the plant for each of the combinations, and a performance improvement calculation unit that is configured to calculate, on the basis of a calculation result in the performance calculation unit and the data table, how much the performance of the plant is improved compared with the performance before the introduction of the part in a case where the part is introduced and the plant is operated at the percentage indicated by the data table.

Claims (20)

1. A plant, comprising:

an arithmetic operation device that includes a computer system,

wherein the computer system includes a memory configured to store instructions; a storage; and a processor configured to execute the instructions to:

calculate performance of the plant before introduction of a part and the performance of the plant after the introduction of the part for each of combinations of a plurality of loads in the plant and a plurality of atmospheric temperatures around the plant;

cause the storage to store a data table indicating a percentage of an operating time of the plant for each of the combinations;

calculate, based on a calculation result in the performance calculation and the data table, how much the performance of the plant is improved compared with the performance before the introduction of the part in a case where the part is introduced and the plant is operated at the percentage indicated by the data table; and

a temperature sensor that is configured to detect the plurality of atmospheric temperatures; and

a power generator that is configured to supply electric power according to a load, wherein a performance of the power generator is changed based on the part included in the plant.

2. The plant according to claim 1 , wherein the processor

is configured to output the calculation result.

3. The plant according to claim 1 ,

wherein the performance of the plant includes at least one of heat rate of the plant, remaining life of the plant, and a reduction amount of gas emitted by the plant.

4. The plant according to claim 1 ,

wherein, in a case where a plurality of the parts are introduced, the processor calculates the performance of the plant by using a coefficient indicating a degree of influence of a combination of the parts on the performance of the plant.

5. A processing method, comprising:

calculating, as a first calculation, performance of a plant before introduction of a part and the performance of the plant after the introduction of the part for each of combinations of a plurality of loads in the plant and a plurality of atmospheric temperatures around the plant, the plurality of atmospheric temperatures being detected by a temperature sensor;

storing a data table indicating a percentage of an operating time of the plant for each of the combinations;

calculating, as a second calculation, based on a calculation result of the first calculation and the data table, how much the performance of the plant is improved compared with the performance before the introduction of the part in a case where the part is introduced and the plant is operated at the percentage indicated by the data table;

replacing a first part with a second part for changing the performance of a power generator, the first part being in the plant, the second part being a part that is determined based on a result of the second calculation and introduced into the plant; and

outputting power from the power generator to a load, the power being in accordance with the load.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 6, 2022
From: MITSUBISHI POWER, LTD.
To: MITSUBISHI HEAVY INDUSTRIES, LTD.
Reel/Frame 059620/0080 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 10, 2021
From: NAGASAKA, WATARU; MURAKAMI, MASAYUKI; ENDO, ITARU; NAGAFUCHI, NAOYUKI
To: MITSUBISHI POWER, LTD.
Reel/Frame 058363/0048 →
Priority Claims (1)
JP 2019-119584 · Jun 27, 2019 · national
Continuity (1)
Related Publication 20220326674A1 · Oct 13, 2022