US7096156B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operation support system for power plant
Assignee: Toshiba Corp
•
Filing: 2003-12-29
•
Granted: 2006-08-22
•
Expires: 2023-12-29
Abstract
Abstract An operation support system for a power plant includes an input unit for inputting measured data of the power plant over a communication network, a data evaluating unit for quantitatively evaluating performance deterioration of the power plant and component equipment thereof and creating operation support data base on the input measured data, and an output unit for outputting the operation support data to a computer for confirming operation support data connected thereto over the communication network.
Inventors
- 👤 Shunji Hosaka
- 👤 Shigeru Matsumoto
- 👤 Toshihiro Yamada
- 👤 Akinori Kamito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:21
CPC Classifications
F; F01; F01K; F01K13/00; F01K13/02; Y; Y02; Y02E; Y02E20/00; Y02E20/14
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
109 words
An operation support system for a power plant, comprising: input means for inputting measured data over a communication network; data evaluating means for quantitatively evaluating performance degradation of plant components based on measured data input by said input means so as to create operation support data; and output means for outputting said operation support data for confirming said operation support data over the communication network; wherein said data evaluating means includes thermal inefficiency loss evaluating means for obtaining losses due to thermal inefficiency, and said loss evaluating means obtains maintenance costs at a time of thermal inefficiency in a deteriorated state of values in performance of the plant components.
Claim 2
Dependent Claim
109 words
An operation support system for a power plant, comprising: input means for inputting measured data over a communication network; data evaluating means for quantitatively evaluating performance degradation of plant components based on measured data input by said input means so as to create operation support data; and output means for outputting said operation support data for confirming said operation support data over the communication network; wherein said data evaluating means includes thermal inefficiency loss evaluating means for obtaining losses due to thermal inefficiency, and said loss evaluating means obtains maintenance costs at a time of thermal inefficiency in a deteriorated state of values in performance of the plant components.
Claim 3
Dependent Claim
132 words
An operation support system for a power plant, comprising: input means for inputting measured data over a communication network; data evaluating means for quantitatively evaluating performance degradation of plant components based on measured data input by said input means so as to create operation support data; and output means for outputting said operation support data for confirming said operation support data over the communication network; wherein said data evaluating means includes a predicted power cost evaluating means for calculating power costs based on estimated heat balance in the event of changing values in performance of the plant components, component configuration thereof, or piping system configuration thereof, and power cost comparing means for comparing predicted power costs calculated by the predicted power cost evaluating means with current power costs of the power plant.
Claim 4
Dependent Claim
132 words
An operation support system for a power plant, comprising: input means for inputting measured data over a communication network; data evaluating means for quantitatively evaluating performance degradation of plant components based on measured data input by said input means so as to create operation support data; and output means for outputting said operation support data for confirming said operation support data over the communication network; wherein said data evaluating means includes a predicted power cost evaluating means for calculating power costs based on estimated heat balance in the event of changing values in performance of the plant components, component configuration thereof, or piping system configuration thereof, and power cost comparing means for comparing predicted power costs calculated by the predicted power cost evaluating means with current power costs of the power plant.
Claim 5
Dependent Claim
131 words
An operation support system for a power plant, comprising: input means for inputting measured data over a communication network; data evaluating means for quantitatively evaluating performance degradation of plant components based on measured data input by said input means so as to create operation support data; and output means for outputting said operation support data for confirming said operation support data over the communication network; wherein said data evaluating means includes predicted power cost evaluating means for calculating amount-of-change of power costs based on estimated heat balance in the event of changing values in performance of the plant components, component configuration thereof, or piping system configuration thereof, and profit-and-loss evaluating means for calculating profit-and-loss according to a change based on amount-of-change of power costs and repair costs required for the change.
Claim 6
Dependent Claim
131 words
An operation support system for a power plant, comprising: input means for inputting measured data over a communication network; data evaluating means for quantitatively evaluating performance degradation of plant components based on measured data input by said input means so as to create operation support data; and output means for outputting said operation support data for confirming said operation support data over the communication network; wherein said data evaluating means includes predicted power cost evaluating means for calculating amount-of-change of power costs based on estimated heat balance in the event of changing values in performance of the plant components, component configuration thereof, or piping system configuration thereof, and profit-and-loss evaluating means for calculating profit-and-loss according to a change based on amount-of-change of power costs and repair costs required for the change.
Claim 7
Dependent Claim
129 words
An operation support system for a power plant, comprising: input means for inputting measured data over a communication network; data evaluating means for quantitatively evaluating performance degradation of plant components based on measured data input by said input means so as to create operation support data; and output means for outputting said operation support data for confirming said operation support data over the communication network; wherein said data evaluating means includes performance values storing means for storing values in performance of the plant components, future prediction evaluating means for predicting future values in performance of respective components based on statistical work using past stored values in performance by the storing means, and a simulation model for calculating future heat balance using predicted values in performance of the respective components.
Claim 8
Dependent Claim
129 words
An operation support system for a power plant, comprising: input means for inputting measured data over a communication network; data evaluating means for quantitatively evaluating performance degradation of plant components based on measured data input by said input means so as to create operation support data; and output means for outputting said operation support data for confirming said operation support data over the communication network; wherein said data evaluating means includes performance values storing means for storing values in performance of the plant components, future prediction evaluating means for predicting future values in performance of respective components based on statistical work using past stored values in performance by the storing means, and a simulation model for calculating future heat balance using predicted values in performance of the respective components.
Claim 9
Dependent Claim
91 words
An operation support system for a power plant including data evaluating means for inputting measured data of the power plant, said data evaluating means comprising: a heat balance model for calculating values in performance of respective plant components with heat balance computation based on measured data of the power plant; and a simulation model for inputting values in performance of the respective components, said simulation model obtaining process values by using values in performance of the plant components so as to estimate heat balance at the time of changing running conditions.
Claim 10
Dependent Claim
91 words
An operation support system for a power plant including data evaluating means for inputting measured data of the power plant, said data evaluating means comprising: a heat balance model for calculating values in performance of respective plant components with heat balance computation based on measured data of the power plant; and a simulation model for inputting values in performance of the respective components, said simulation model obtaining process values by using values in performance of the plant components so as to estimate heat balance at the time of changing running conditions.
Claim 11
Dependent Claim
42 words
An operation support system for a power plant according to claim 5 , wherein said simulation model estimates heat balance in the event of changing values in performance of the plant components, a component configuration thereof, or a piping system configuration thereof.
Claim 12
Dependent Claim
80 words
An operation support system for a power plant according to claim 5 , wherein said data evaluating means includes a predicted power cost evaluating means for calculating power costs based on estimated heat balance in the event of changing values in performance of the plant components, component configuration thereof, or piping system configuration thereof, and power cost comparing means for comparing predicted power costs calculated by the predicted power cost evaluating means with current power costs of the power plant.
Claim 13
Dependent Claim
79 words
An operation support system for a power plant according to claim 5 , wherein said data evaluating means comprises predicted power cost evaluating means for calculating amount-of-change of power costs based on estimated heat balance in the event of changing values in performance of the plant components, component configuration thereof, or piping system configuration thereof, and profit-and-loss evaluating means for calculating profit-and-loss according to a change based on amount-of-change of power costs and repair costs required for the change.
Claim 14
Dependent Claim
77 words
An operation support system for a power plant according to claim 5 , wherein said data evaluating means comprises performance values storing means for storing values in performance of the plant components, future prediction evaluating means for predicting future values in performance of respective components based on statistical work using past stored values in performance by the storing means, and a simulation model for calculating future heat balance using predicted values in performance of the respective components.
Claim 15
Dependent Claim
44 words
An operation support system for a power plant according to claim 5 , wherein said data evaluating means includes a simulation model for estimating plant thermal efficiency as to calculated parameters representing equipment performance of the plant components, a fluidic state, or power load.
Claim 16
Dependent Claim
33 words
An operation support system for a power plant according to claim 5 , wherein said data evaluating means is connected to a data collection device of the power plant over a communication network.
Claim 17
Dependent Claim
32 words
An operation support system for a power plant according to claim 5 , wherein said data evaluating means is connected to a computer for confirming operation support data over a communication network.
References Cited (Backward Citations)
US5331579A
Cited
US6490506B1
Cited
US20010034582A1
Cited
US6529849B2
Cited
US20010053940A1
Cited
JP2002259505A
Cited
US20030004659A1
Cited
US20030074244A1
Cited
US20030083827A1
Cited
US20040102924A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2009-08-21 | 2010-02-20 | 2010-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2013-08-21 | 2014-02-20 | 2014-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2017-08-21 | 2018-02-20 | 2018-08-22 | $7700.00 | Window Closed / Lapsed |