US7096156B2 — Operation support system for power plant

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.

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

Operation support system for power plant

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