CN108678815A - The minimum technology output measurement device and method of extraction condensing type Turbo-generator Set - Google Patents
The minimum technology output measurement device and method of extraction condensing type Turbo-generator Set Download PDFInfo
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- CN108678815A CN108678815A CN201810429350.8A CN201810429350A CN108678815A CN 108678815 A CN108678815 A CN 108678815A CN 201810429350 A CN201810429350 A CN 201810429350A CN 108678815 A CN108678815 A CN 108678815A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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Abstract
The minimum technology output measurement device and method of extraction condensing type Turbo-generator Set, belong to steam turbine heating field, solve the problems, such as the minimum technology output assay method of existing extraction condensing type Turbo-generator Set there are accuracy difference or time-consuming.The present invention carries out online acquisition by the way of automation to the required data of coupled thermomechanics model for generating extraction condensing type Turbo-generator Set, and carries out error correction to the data of acquisition.The relation curve of a plurality of extraction condensing type Turbo-generator Set is fitted according to the data after error correction, and the coupled thermomechanics model of extraction condensing type Turbo-generator Set is generated according to the relation curve of a plurality of extraction condensing type Turbo-generator Set.According to the thermic load of the coupled thermomechanics model of extraction condensing type Turbo-generator Set and known extraction condensing type Turbo-generator Set, the minimum technology for measuring extraction condensing type Turbo-generator Set is contributed.The present invention is especially suitable for the minimum technology outputs for measuring extraction condensing type Turbo-generator Set.
Description
Technical field
The present invention relates to the minimum technology output measurement devices and method of Turbo-generator Set, belong to steam turbine heat supply neck
Domain.
Background technology
Currently, central heating is mainly realized in the northern area of China by the way of electric heating coproduction, and existing electric heating coproduction is logical
It is realized frequently with the cooperation of sucking condensing turbine and generator.
In heat supply period, the intermediate pressure cylinder steam drain through sucking condensing turbine is needed to extract a part of steam out for heat supply, and this
Some vapor can inevitably do work when flowing through high pressure cylinder and intermediate pressure cylinder, and here it is coupled thermomechanics.This coupled thermomechanics
Although mode improves the overall economy quality of extraction condensing type Turbo-generator Set, but also constrain extraction condensing type Turbo-generator Set
Minimum technology is contributed, i.e. peak modulation capacity, and then causes peak load regulation network difficult, abandons that wind, to abandon optical phenomenon serious.Therefore, accurately really
The minimum technology for determining extraction condensing type Turbo-generator Set is contributed, and wind-powered electricity generation and the sun will for the Optimized Operation of power grid and be more dissolved
The clean energy resourcies such as energy provide stronger foundation, have a very important significance.
The minimum technology of existing extraction condensing type Turbo-generator Set contributes the method for determination mainly including following two：
One, artificial Cha Tufa, i.e., the supplying thermal condition figure provided according to steam turbine manufacturer are looked into and different heating loads are taken to correspond to
Minimum electric load, i.e., minimum technology contribute.However, since the thermoelectricity curve that steam turbine manufacturer provides is overly conservative, add
For artificial curve of looking into there are certain error, the minimum technology obtained by the determining method of this minimum technology output goes out force data
Accuracy it is poor.
Two, test method(s), that is, choose multiple supplying thermal conditions, and the steamer under each supplying thermal condition is determined by way of doing experiment
The minimum technology of generating set is contributed.The accuracy for the determination method that this minimum technology is contributed is better than artificial Cha Tufa, so
And the implementation of this method needs to put into a large amount of manpower and materials, takes longer and of high cost.
Invention content
The present invention is to solve the minimum technology output assay method of existing extraction condensing type Turbo-generator Set that there are accuracys is poor
Or the problem of time-consuming, it is proposed that a kind of the minimum technology output measurement device and method of extraction condensing type Turbo-generator Set.
The minimum technology output measurement device of extraction condensing type Turbo-generator Set of the present invention, extraction condensing type steam turbine generator
Group includes sucking condensing turbine and generator, and the two realizes that electric heating coproduction, the minimum technology output measurement device include jointly：
Data acquisition module, the safety prison for acquiring the heating power data of steam turbine, the control data of steam turbine, steam turbine
Measured data, the electric power data of generator, heat supply network data and environmental data；
Data processing module, for judging whether each data group of data collecting module collected includes abnormal data, when
Judging result is to reject the abnormal data, and carry out error correction to the remainder data in the item data group when being, otherwise, right
The item data group carries out error correction；
Coupled thermomechanics model generation module is used for the revised data of Identification Errors, is obtained to take out according to the data of identification and be coagulated
The characteristic curve group of formula Turbo-generator Set according to characteristic curve group and combines preset Evaluation principle, generates extraction condensing type
The coupled thermomechanics model of Turbo-generator Set；
Minimum technology, which is contributed, measures module, for according to the coupled thermomechanics model of extraction condensing type Turbo-generator Set and known
The thermic load of extraction condensing type Turbo-generator Set, the minimum technology for measuring extraction condensing type Turbo-generator Set are contributed.
As preferably, data acquisition module includes：
Steam turbine heating power data acquires submodule, the heating power data for acquiring steam turbine, including main steam, reheating and steams
Vapour, each section of steam extraction, turbine discharge, condensed water, water supply and heater condensate pressure, temperature and flow；
Steam turbine control data-acquisition submodule, the control data for acquiring steam turbine, including the rotating speed of steam turbine refer to
It enables, the load instruction of steam turbine and valve opening feedback data；
Turbine Safety monitoring data acquire submodule, the safety monitoring data for acquiring steam turbine, including steam turbine
Vibrate, swollen poor, axial displacement and bearing temperature；
Generator electrical data-acquisition submodule, the electric power data for acquiring generator, including generator, transformer and
Voltage, electric current and the power of power grid；
Heat supply network data-acquisition submodule, for acquiring heat supply network data, including heat supply network water supply, the pressure of return water, temperature and stream
Amount；
Environmental data collecting submodule includes the gas in extraction condensing type Turbo-generator Set location for acquiring environmental data
Mild air pressure.
As preferably, each data-acquisition submodule of data acquisition module acquires related pressure by pressure transmitter
Force data, correlated temperature data is acquired by thermocouple, is acquired correlative flow data by differential pressure type orifice flowmeter, is passed through three
Phase power meter acquires associate power data, acquires coupled vibration data by vibrating sensor, phase is acquired by displacement sensor
Close displacement data.
As preferably, data processing module includes：
Abnormal data judging submodule, for judging each data group of data collecting module collected whether comprising abnormal number
According to；
Rejecting abnormal data submodule is when being for the judging result in abnormal data judging submodule, and rejecting is judged to
Abnormal data in disconnected data group；
Data error corrects submodule, is when being, according to each for the judging result in abnormal data judging submodule
The known error of measuring instrument used by data-acquisition submodule is modified the corresponding normal data in each data group,
Or when the judging result of abnormal data judging submodule is no, according to measuring instrument used by each data-acquisition submodule
The known error of device is modified the corresponding data in each data group.
As preferably, coupled thermomechanics model generation module includes：
Data identification submodule is used for the revised data of Identification Errors；
Steam turbine heating power data generates submodule with heat supply network heating load relation curve, for the data according to identification, generates
The relation curve of steam turbine heating power data and heat supply network heating load；
Steam turbine heating power data generates submodule with generator power relation curve, for the data according to identification, generates
The relation curve of steam turbine heating power data and generator power；
Steam turbine control data generate submodule with heat supply network heating load relation curve, for the data according to identification, generate
The relation curve of steam turbine control data and heat supply network heating load；
Steam turbine control data generate submodule with generator power relation curve, for the data according to identification, generate
The relation curve of steam turbine control data and generator power；
Turbine Safety monitoring data generate submodule with heat supply network heating load relation curve, are used for the data according to identification,
Generate the relation curve of Turbine Safety monitoring data and heat supply network heating load；
Turbine Safety monitoring data generate submodule with generator power relation curve, are used for the data according to identification,
Generate the relation curve of Turbine Safety monitoring data and generator power；
Environmental data generates submodule with heat supply network heating load relation curve, for the data according to identification, build environment number
According to the relation curve with heat supply network heating load；
Environmental data generates submodule with generator power relation curve, for the data according to identification, build environment number
According to the relation curve with generator power；
The a plurality of relation curve generated constitutes the characteristic curve group of extraction condensing type Turbo-generator Set；
Coupled thermomechanics model generates submodule, for according to characteristic curve group and in conjunction with preset Evaluation principle, life
At the coupled thermomechanics model of extraction condensing type Turbo-generator Set.
As preferably, the minimum technology output measurement device further includes：
Coupled thermomechanics model self-correction module, it is bent for the relationship in the characteristic curve group of extraction condensing type Turbo-generator Set
When line changes, renewing speciality curve group of the coupled thermomechanics model generation module according to extraction condensing type Turbo-generator Set is controlled,
And preset Evaluation principle is combined, generate the update coupled thermomechanics model of extraction condensing type Turbo-generator Set.
The minimum technology output assay method of extraction condensing type Turbo-generator Set of the present invention, extraction condensing type steam turbine generator
Group includes sucking condensing turbine and generator, and the two realizes that electric heating coproduction, the minimum technology output assay method include jointly：
The step of data acquire, acquires the safety monitoring of the heating power data of steam turbine, the control data, steam turbine of steam turbine
Data, the electric power data of generator, heat supply network data and environmental data；
The step of data processing, judges whether each data group that the step of data acquire acquires includes abnormal data, when
Judging result is to reject the abnormal data, and carry out error correction to the remainder data in the item data group when being, otherwise, right
The item data group carries out error correction；
The step of coupled thermomechanics model generates, the revised data of Identification Errors obtain extraction condensing type according to the data of identification
The characteristic curve group of Turbo-generator Set according to characteristic curve group and combines preset Evaluation principle, generates extraction condensing type vapour
The coupled thermomechanics model of turbine generator group；
The step of minimum technology output measures, according to the coupled thermomechanics model of extraction condensing type Turbo-generator Set and known pumping
The thermic load of solidifying formula Turbo-generator Set, the minimum technology for measuring extraction condensing type Turbo-generator Set are contributed.
Include as the step of preferably, data acquire：
The step of steam turbine heating power data acquires, acquires the heating power data of steam turbine, including main steam, reheated steam, each
Section steam extraction, turbine discharge, condensed water, water supply and heater condensate pressure, temperature and flow；
The step of steam turbine control data acquire, acquires the control data of steam turbine, including the rotary speed instruction of steam turbine, vapour
The load instruction and valve opening feedback data of turbine；
The step of Turbine Safety monitoring data acquire, acquire the safety monitoring data of steam turbine, including steam turbine shakes
Dynamic, swollen poor, axial displacement and bearing temperature；
The step of Generator electrical data acquire, acquires the electric power data of generator, including generator, transformer and power grid
Voltage, electric current and power；
The step of heat supply network data acquire acquires heat supply network data, including heat supply network water supply, the pressure of return water, temperature and flow；
The step of environmental data collecting, acquire environmental data, including the temperature in extraction condensing type Turbo-generator Set location and
Air pressure.
As preferably, the step of data processing, includes：
The step of abnormal data judges judges whether each data group that the step of data acquire acquires includes abnormal number
According to；
The step of rejecting abnormal data, when the judging result for the step of abnormal data judges is is, rejecting is judged number
According to the abnormal data in group；
The step of data error is corrected, when the judging result for the step of abnormal data judges is is, according to each data
The step of acquisition, the known error of used measuring instrument was modified the corresponding normal data in each data group, or
The step of abnormal data judges judging result for it is no when, the step of being acquired according to each data used measuring instrument
Known error is modified the corresponding data in each data group.
Include as the step of preferably, coupled thermomechanics model generates：
The step of data identification, the revised data of Identification Errors；
The step of steam turbine heating power data is generated with heat supply network heating load relation curve generates steamer according to the data of identification
The relation curve of machine heating power data and heat supply network heating load；
The step of steam turbine heating power data is generated with generator power relation curve generates steamer according to the data of identification
The relation curve of machine heating power data and generator power；
The step of steam turbine control data are generated with heat supply network heating load relation curve generates steamer according to the data of identification
Machine controls the relation curve of data and heat supply network heating load；
The step of steam turbine control data are generated with generator power relation curve generates steamer according to the data of identification
Machine controls the relation curve of data and generator power；
The step of Turbine Safety monitoring data are generated with heat supply network heating load relation curve generates according to the data of identification
The relation curve of Turbine Safety monitoring data and heat supply network heating load；
The step of Turbine Safety monitoring data are generated with generator power relation curve generates according to the data of identification
The relation curve of Turbine Safety monitoring data and generator power；
The step of environmental data and heat supply network heating load relation curve generate, according to the data of identification, build environment data with
The relation curve of heat supply network heating load；
The step of environmental data and generator power relation curve generate, according to the data of identification, build environment data with
The relation curve of generator power；
The a plurality of relation curve generated constitutes the characteristic curve group of extraction condensing type Turbo-generator Set.
The present invention is required to generating the coupled thermomechanics model of extraction condensing type Turbo-generator Set by the way of automation
Data are acquired, and are corrected.The relation curve of a plurality of extraction condensing type Turbo-generator Set is fitted according to revised data, and
The coupled thermomechanics model of extraction condensing type Turbo-generator Set is generated according to the relation curve of a plurality of extraction condensing type Turbo-generator Set.According to
The thermic load of the coupled thermomechanics model of extraction condensing type Turbo-generator Set and known extraction condensing type Turbo-generator Set measures extraction condensing type
The minimum technology of Turbo-generator Set is contributed.Compared with existing artificial Cha Tufa, extraction condensing type Turbo-generator Set of the invention
Coupled thermomechanics model closer in the actual condition of extraction condensing type Turbo-generator Set, the accuracy of measurement result is more preferable.Therefore,
The minimum technology that the present invention can solve the extraction condensing type Turbo-generator Set obtained by artificial Cha Tufa goes out the accurate of force data
Property difference problem.Compared with existing test method(s), the present invention automatically generates thermoelectricity during extraction condensing type Turbo-generator Set is run
Coupling model, without specially being tested, timeliness is more preferable.Therefore, what the present invention can solve existing test method(s) time-consuming asks
Topic.
Description of the drawings
It will hereinafter come based on the embodiments and with reference to the accompanying drawings to extraction condensing type Turbo-generator Set of the present invention most
Small technology output measurement device and method are described in more detail, wherein：
Fig. 1 is the structural frames of the minimum technology output measurement device of the extraction condensing type Turbo-generator Set described in embodiment one
Figure；
Fig. 2 is the product process figure of the coupled thermomechanics model for the extraction condensing type Turbo-generator Set that embodiment one refers to；
Fig. 3 is the flow chart element of the minimum technology output assay method of the extraction condensing type Turbo-generator Set described in embodiment two
Figure.
Specific implementation mode
Below in conjunction with attached drawing to the minimum technology output measurement device of extraction condensing type Turbo-generator Set of the present invention
And method is described further.
Embodiment one：The present embodiment is explained in detail with reference to Fig. 1 and Fig. 2.
The minimum technology output measurement device of extraction condensing type Turbo-generator Set described in the present embodiment, extraction condensing type turbine generator
Unit includes sucking condensing turbine and generator, and the two realizes electric heating coproduction, the minimum technology output measurement device packet jointly
It includes：
Data acquisition module, the safety prison for acquiring the heating power data of steam turbine, the control data of steam turbine, steam turbine
Measured data, the electric power data of generator, heat supply network data and environmental data；
Data processing module, for judging whether each data group of data collecting module collected includes abnormal data, when
Judging result is to reject the abnormal data, and carry out error correction to the remainder data in the item data group when being, otherwise, right
The item data group carries out error correction；
Coupled thermomechanics model generation module is used for the revised data of Identification Errors, is obtained to take out according to the data of identification and be coagulated
The characteristic curve group of formula Turbo-generator Set according to characteristic curve group and combines preset Evaluation principle, generates extraction condensing type
The coupled thermomechanics model of Turbo-generator Set；
Minimum technology, which is contributed, measures module, for according to the coupled thermomechanics model of extraction condensing type Turbo-generator Set and known
The thermic load of extraction condensing type Turbo-generator Set, the minimum technology for measuring extraction condensing type Turbo-generator Set are contributed.
The Evaluation principle of the present embodiment includes safe priority principle, heat supply guarantee principle and the minimum principle of cost.
The minimum technology output of the present embodiment, which measures module, can also preserve the extraction condensing type Turbo-generator Set of measurement most
Small technology is contributed, and the minimum technology output data group based on extraction condensing type Turbo-generator Set provides extraction condensing type Turbo-generator Set
Minimum technology contribute historical text.
The minimum technology output measurement device of extraction condensing type Turbo-generator Set described in the present embodiment, can automatically generate pumping
The coupled thermomechanics model of solidifying formula Turbo-generator Set, and according to the corresponding minimum technology of the different thermic loads of coupled thermomechanics model acquisition
It contributes, i.e. the peak modulation capacity of extraction condensing type Turbo-generator Set.Minimum technology is contributed can be used as scheduling and power grid in power plant simultaneously
The foundation of level scheduling, contributes to the Optimized Operation of power grid.
The data acquisition module of the present embodiment includes：
Steam turbine heating power data acquires submodule, the heating power data for acquiring steam turbine, including main steam, reheating and steams
Vapour, each section of steam extraction, turbine discharge, condensed water, water supply and heater condensate pressure, temperature and flow；
Steam turbine control data-acquisition submodule, the control data for acquiring steam turbine, including the rotating speed of steam turbine refer to
It enables, the load instruction of steam turbine and valve opening feedback data；
Turbine Safety monitoring data acquire submodule, the safety monitoring data for acquiring steam turbine, including steam turbine
Vibrate, swollen poor, axial displacement and bearing temperature；
Generator electrical data-acquisition submodule, the electric power data for acquiring generator, including generator, transformer and
Voltage, electric current and the power of power grid；
Heat supply network data-acquisition submodule, for acquiring heat supply network data, including heat supply network water supply, the pressure of return water, temperature and stream
Amount；
Environmental data collecting submodule includes the gas in extraction condensing type Turbo-generator Set location for acquiring environmental data
Mild air pressure.
Each data-acquisition submodule of data acquisition module acquires related pressure data by pressure transmitter, passes through heat
Galvanic couple acquires correlated temperature data, acquires correlative flow data by differential pressure type orifice flowmeter, is acquired by three-phase power meter
Associate power data, coupled vibration data are acquired by vibrating sensor, and correlation displacement data are acquired by displacement sensor.
Measuring instrument used by each data-acquisition submodule of the present embodiment is mainly live in-line meter, in data
When acquisition, each data-acquisition submodule can be interconnected with corresponding live in-line meter, each data can also be acquired
Submodule is connected with the data collecting system belonging to corresponding live in-line meter.
When live in-line meter, which can not provide, completely needs the data acquired, corresponding measuring instrument is added.
The data processing module of the present embodiment includes：
Abnormal data judging submodule, for judging each data group of data collecting module collected whether comprising abnormal number
According to；
Rejecting abnormal data submodule is when being for the judging result in abnormal data judging submodule, and rejecting is judged to
Abnormal data in disconnected data group；
Data error corrects submodule, is when being, according to each for the judging result in abnormal data judging submodule
The known error of measuring instrument used by data-acquisition submodule is modified the corresponding normal data in each data group,
Or when the judging result of abnormal data judging submodule is no, according to measuring instrument used by each data-acquisition submodule
The known error of device is modified the corresponding data in each data group.
The judgment principle of the abnormal data judging submodule of the present embodiment includes：Data history trend, the comparison point of phase near point
Analysis, data transition rate and extraordinary data duration.
The data correction mode that the data error of the present embodiment corrects submodule is：
So that pressure measuring value is added with the error of pressure transmitter by adder, obtains correcting pressure value；
So that measured temperature is added with the error of thermocouple by adder, obtains correcting temperature value；
So that flow measurements and the error of differential pressure type orifice flowmeter is added by adder, obtains modified flow rate value；
So that electrical power measurements is added with the error of three-phase power meter by adder, obtains correcting electric power value；
So that vibration measurements is added with the error of vibrating sensor by adder, obtains correcting vibration values；
So that displacement measurement is added with the error of displacement sensor by adder, obtains correcting shift value.
The error of each measuring instrument of the present embodiment is determined through calibrating.
The data processing module of the present embodiment further includes correcting pressure value pretreatment submodule, which is used for correcting
Pressure value is pre-processed, and pretreated mode is：
When the installation site of pressure transmitter and pressure samples point are contour, amendment pressure value and actual measurement are made by adder
Atmospheric pressure value is added, and obtains absolute pressure value, i.e. pressure value is corrected in pretreatment；
When the installation site of pressure transmitter is higher than pressure samples point, absolute pressure value and head pressure are made by adder
Force value is added, and is obtained pretreatment and is corrected pressure value；
When the installation site of pressure transmitter is less than pressure samples point, absolute pressure value and head pressure are made by subtracter
Force value is subtracted each other, and is obtained pretreatment and is corrected pressure value.
Wherein, head pressure force value is the pressure gone out according to the altitude conversion between pressure transmitter and pressure samples point position
Value, reduction formula are：P=ρ gh；P is head pressure force value, and ρ is water density, and g is acceleration of gravity, and h is pressure transmitter and pressure
Height between power sample point position.
The coupled thermomechanics model generation module of the present embodiment includes：
Data identification submodule is used for the revised data of Identification Errors；
Steam turbine heating power data generates submodule with heat supply network heating load relation curve, for the data according to identification, generates
The relation curve of steam turbine heating power data and heat supply network heating load；
Steam turbine heating power data generates submodule with generator power relation curve, for the data according to identification, generates
The relation curve of steam turbine heating power data and generator power；
Steam turbine control data generate submodule with heat supply network heating load relation curve, for the data according to identification, generate
The relation curve of steam turbine control data and heat supply network heating load；
Steam turbine control data generate submodule with generator power relation curve, for the data according to identification, generate
The relation curve of steam turbine control data and generator power；
Turbine Safety monitoring data generate submodule with heat supply network heating load relation curve, are used for the data according to identification,
Generate the relation curve of Turbine Safety monitoring data and heat supply network heating load；
Turbine Safety monitoring data generate submodule with generator power relation curve, are used for the data according to identification,
Generate the relation curve of Turbine Safety monitoring data and generator power；
Environmental data generates submodule with heat supply network heating load relation curve, for the data according to identification, build environment number
According to the relation curve with heat supply network heating load；
Environmental data generates submodule with generator power relation curve, for the data according to identification, build environment number
According to the relation curve with generator power；
The a plurality of relation curve generated constitutes the characteristic curve group of extraction condensing type Turbo-generator Set；
Coupled thermomechanics model generates submodule, for according to characteristic curve group and in conjunction with preset Evaluation principle, life
At the coupled thermomechanics model of extraction condensing type Turbo-generator Set.
The minimum technology output measurement device of extraction condensing type Turbo-generator Set described in the present embodiment further includes：
Coupled thermomechanics model self-correction module, it is bent for the relationship in the characteristic curve group of extraction condensing type Turbo-generator Set
When line changes, renewing speciality curve group of the coupled thermomechanics model generation module according to extraction condensing type Turbo-generator Set is controlled,
And preset Evaluation principle is combined, generate the update coupled thermomechanics model of extraction condensing type Turbo-generator Set.
The minimum technology output measurement device of extraction condensing type Turbo-generator Set described in the present embodiment can also be used to taking out
The peak modulation capacity of solidifying formula Turbo-generator Set future time period is predicted that detailed process is：
The environmental data of future time period is input to coupled thermomechanics model generation module, coupled thermomechanics model generation module root
Extraction condensing type Turbo-generator Set is calculated in the external heating load of future time period according to environmental data analysis, it is calculated right to be based on
Outer heating load and existing coupled thermomechanics model, obtain the peak modulation capacity of extraction condensing type Turbo-generator Set future time period.
The minimum technology output measurement device of extraction condensing type Turbo-generator Set described in the present embodiment, passes through data acquisition module
Block acquires the in-line meter parameter of extraction condensing type Turbo-generator Set, not only easy to implement but also can ensure higher accuracy.
Due to being real-time acquisition extraction condensing type Turbo-generator Set data, and analysis meter calculation is carried out, artificial compared to artificial Cha Tufa is commented
Estimate the offline evaluation with test method(s), the mode of this online evaluation has obtained pole in terms of accuracy and timeliness and self-correction
Big promotion enables to the depth peak regulation adjustable space of extraction condensing type Turbo-generator Set to improve 10% or more.
Embodiment two：The present embodiment is explained in detail with reference to Fig. 3.
The minimum technology output assay method of extraction condensing type Turbo-generator Set described in the present embodiment, extraction condensing type turbine generator
Unit includes sucking condensing turbine and generator, and the two realizes electric heating coproduction, the minimum technology output assay method packet jointly
It includes：
The step of data acquire, acquires the safety monitoring of the heating power data of steam turbine, the control data, steam turbine of steam turbine
Data, the electric power data of generator, heat supply network data and environmental data；
The step of data processing, judges whether each data group that the step of data acquire acquires includes abnormal data, when
Judging result is to reject the abnormal data, and carry out error correction to the remainder data in the item data group when being, otherwise, right
The item data group carries out error correction；
The step of coupled thermomechanics model generates, the revised data of Identification Errors obtain extraction condensing type according to the data of identification
The characteristic curve group of Turbo-generator Set according to characteristic curve group and combines preset Evaluation principle, generates extraction condensing type vapour
The coupled thermomechanics model of turbine generator group；
The step of minimum technology output measures, according to the coupled thermomechanics model of extraction condensing type Turbo-generator Set and known pumping
The thermic load of solidifying formula Turbo-generator Set, the minimum technology for measuring extraction condensing type Turbo-generator Set are contributed.
The present embodiment data acquisition the step of include：
The step of steam turbine heating power data acquires, acquires the heating power data of steam turbine, including main steam, reheated steam, each
Section steam extraction, turbine discharge, condensed water, water supply and heater condensate pressure, temperature and flow；
The step of steam turbine control data acquire, acquires the control data of steam turbine, including the rotary speed instruction of steam turbine, vapour
The load instruction and valve opening feedback data of turbine；
The step of Turbine Safety monitoring data acquire, acquire the safety monitoring data of steam turbine, including steam turbine shakes
Dynamic, swollen poor, axial displacement and bearing temperature；
The step of Generator electrical data acquire, acquires the electric power data of generator, including generator, transformer and power grid
Voltage, electric current and power；
The step of heat supply network data acquire acquires heat supply network data, including heat supply network water supply, the pressure of return water, temperature and flow；
The step of environmental data collecting, acquire environmental data, including the temperature in extraction condensing type Turbo-generator Set location and
Air pressure.
The step of data processing of the present embodiment includes：
The step of abnormal data judges judges whether each data group that the step of data acquire acquires includes abnormal number
According to；
The step of rejecting abnormal data, when the judging result for the step of abnormal data judges is is, rejecting is judged number
According to the abnormal data in group；
The step of data error is corrected, when the judging result for the step of abnormal data judges is is, according to each data
The step of acquisition, the known error of used measuring instrument was modified the corresponding normal data in each data group, or
The step of abnormal data judges judging result for it is no when, the step of being acquired according to each data used measuring instrument
Known error is modified the corresponding data in each data group.
The step of coupled thermomechanics model of the present embodiment generates include：
The step of data identification, the revised data of Identification Errors；
The step of steam turbine heating power data is generated with heat supply network heating load relation curve generates steamer according to the data of identification
The relation curve of machine heating power data and heat supply network heating load；
The step of steam turbine heating power data is generated with generator power relation curve generates steamer according to the data of identification
The relation curve of machine heating power data and generator power；
The step of steam turbine control data are generated with heat supply network heating load relation curve generates steamer according to the data of identification
Machine controls the relation curve of data and heat supply network heating load；
The step of steam turbine control data are generated with generator power relation curve generates steamer according to the data of identification
Machine controls the relation curve of data and generator power；
The step of Turbine Safety monitoring data are generated with heat supply network heating load relation curve generates according to the data of identification
The relation curve of Turbine Safety monitoring data and heat supply network heating load；
The step of Turbine Safety monitoring data are generated with generator power relation curve generates according to the data of identification
The relation curve of Turbine Safety monitoring data and generator power；
The step of environmental data and heat supply network heating load relation curve generate, according to the data of identification, build environment data with
The relation curve of heat supply network heating load；
The step of environmental data and generator power relation curve generate, according to the data of identification, build environment data with
The relation curve of generator power；
The a plurality of relation curve generated constitutes the characteristic curve group of extraction condensing type Turbo-generator Set.
Although describing the present invention herein with reference to specific implementation, it should be understood that, these realities
It is the example of principles and applications to apply example only.It should therefore be understood that can be permitted exemplary embodiment
More modifications, and can be designed that other arrangements, spirit without departing from the present invention as defined in the appended claims and
Range.It should be understood that can be by combining different appurtenances different from method described in original claim
It is required that and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used at it
In his embodiment.
Claims (10)
1. the minimum technology output measurement device of extraction condensing type Turbo-generator Set, extraction condensing type Turbo-generator Set include extraction condensing type vapour
Turbine and generator, the two realize electric heating coproduction jointly, which is characterized in that the minimum technology output measurement device includes：
Data acquisition module, the safety monitoring number for acquiring the heating power data of steam turbine, the control data of steam turbine, steam turbine
According to, the electric power data of generator, heat supply network data and environmental data；
Data processing module, for judging whether each data group of data collecting module collected includes abnormal data, works as judgement
As a result it is the abnormal data to be rejected, and error correction is carried out to the remainder data in the item data group, otherwise, to this when being
Data group carries out error correction；
Coupled thermomechanics model generation module is used for the revised data of Identification Errors, and extraction condensing type vapour is obtained according to the data of identification
The characteristic curve group of turbine generator group according to characteristic curve group and combines preset Evaluation principle, generates extraction condensing type steamer
The coupled thermomechanics model of generating set；
Minimum technology, which is contributed, measures module, for being coagulated according to the coupled thermomechanics model and known take out of extraction condensing type Turbo-generator Set
The thermic load of formula Turbo-generator Set, the minimum technology for measuring extraction condensing type Turbo-generator Set are contributed.
2. the minimum technology output measurement device of extraction condensing type Turbo-generator Set as described in claim 1, which is characterized in that number
Include according to acquisition module：
Steam turbine heating power data acquires submodule, the heating power data for acquiring steam turbine, including main steam, reheated steam, each
Section steam extraction, turbine discharge, condensed water, water supply and heater condensate pressure, temperature and flow；
Steam turbine control data-acquisition submodule, the control data for acquiring steam turbine, including the rotary speed instruction of steam turbine, vapour
The load instruction and valve opening feedback data of turbine；
Turbine Safety monitoring data acquire shaking for submodule, the safety monitoring data for acquiring steam turbine, including steam turbine
Dynamic, swollen poor, axial displacement and bearing temperature；
Generator electrical data-acquisition submodule, the electric power data for acquiring generator, including generator, transformer and power grid
Voltage, electric current and power；
Heat supply network data-acquisition submodule, for acquiring heat supply network data, including heat supply network water supply, the pressure of return water, temperature and flow；
Environmental data collecting submodule, for acquiring environmental data, including the temperature in extraction condensing type Turbo-generator Set location and
Air pressure.
3. the minimum technology output measurement device of extraction condensing type Turbo-generator Set as claimed in claim 2, which is characterized in that
Each data-acquisition submodule of data acquisition module acquires related pressure data by pressure transmitter, passes through thermocouple
Correlated temperature data is acquired, correlative flow data are acquired by differential pressure type orifice flowmeter, is acquired by three-phase power meter related
Electric power data, coupled vibration data are acquired by vibrating sensor, and correlation displacement data are acquired by displacement sensor.
4. the minimum technology output measurement device of extraction condensing type Turbo-generator Set as claimed in claim 3, which is characterized in that number
Include according to processing module：
Abnormal data judging submodule, for judging whether each data group of data collecting module collected includes abnormal data；
Rejecting abnormal data submodule is when being for the judging result in abnormal data judging submodule, and rejecting is judged number
According to the abnormal data in group；
Data error corrects submodule, is when being, according to each data for the judging result in abnormal data judging submodule
The known error of measuring instrument used by acquisition submodule is modified the corresponding normal data in each data group, or
When the judging result of abnormal data judging submodule is no, according to measuring instrument used by each data-acquisition submodule
Known error is modified the corresponding data in each data group.
5. the minimum technology output measurement device of extraction condensing type Turbo-generator Set as claimed in claim 4, which is characterized in that heat
Being electrically coupled model generation module includes：
Data identification submodule is used for the revised data of Identification Errors；
Steam turbine heating power data generates submodule with heat supply network heating load relation curve, for the data according to identification, generates steamer
The relation curve of machine heating power data and heat supply network heating load；
Steam turbine heating power data generates submodule with generator power relation curve, for the data according to identification, generates steamer
The relation curve of machine heating power data and generator power；
Steam turbine control data generate submodule with heat supply network heating load relation curve, for the data according to identification, generate steamer
Machine controls the relation curve of data and heat supply network heating load；
Steam turbine control data generate submodule with generator power relation curve, for the data according to identification, generate steamer
Machine controls the relation curve of data and generator power；
Turbine Safety monitoring data generate submodule with heat supply network heating load relation curve, for the data according to identification, generate
The relation curve of Turbine Safety monitoring data and heat supply network heating load；
Turbine Safety monitoring data generate submodule with generator power relation curve, for the data according to identification, generate
The relation curve of Turbine Safety monitoring data and generator power；
Environmental data and heat supply network heating load relation curve generate submodule, for the data according to identification, build environment data with
The relation curve of heat supply network heating load；
Environmental data and generator power relation curve generate submodule, for the data according to identification, build environment data with
The relation curve of generator power；
The a plurality of relation curve generated constitutes the characteristic curve group of extraction condensing type Turbo-generator Set；
Coupled thermomechanics model generates submodule, for according to characteristic curve group and in conjunction with preset Evaluation principle, generating and taking out
The coupled thermomechanics model of solidifying formula Turbo-generator Set.
6. the minimum technology output measurement device of extraction condensing type Turbo-generator Set as described in claim 1, which is characterized in that institute
Stating minimum technology output measurement device further includes：
Coupled thermomechanics model self-correction module, for the relation curve hair in the characteristic curve group of extraction condensing type Turbo-generator Set
When changing, renewing speciality curve group of the coupled thermomechanics model generation module according to extraction condensing type Turbo-generator Set is controlled, and tie
Preset Evaluation principle is closed, the update coupled thermomechanics model of extraction condensing type Turbo-generator Set is generated.
7. the minimum technology output assay method of extraction condensing type Turbo-generator Set, extraction condensing type Turbo-generator Set include extraction condensing type vapour
Turbine and generator, the two realize electric heating coproduction jointly, which is characterized in that the minimum technology output assay method includes：
The step of data acquire, acquires the safety monitoring number of the heating power data of steam turbine, the control data of steam turbine, steam turbine
According to, the electric power data of generator, heat supply network data and environmental data；
The step of data processing, judges whether each data group that the step of data acquire acquires includes abnormal data, works as judgement
As a result it is the abnormal data to be rejected, and error correction is carried out to the remainder data in the item data group, otherwise, to this when being
Data group carries out error correction；
The step of coupled thermomechanics model generates, the revised data of Identification Errors obtain extraction condensing type steamer according to the data of identification
The characteristic curve group of generating set according to characteristic curve group and combines preset Evaluation principle, generates extraction condensing type steamer hair
The coupled thermomechanics model of motor group；
The step of minimum technology output measures, according to the coupled thermomechanics model of extraction condensing type Turbo-generator Set and known extraction condensing type
The thermic load of Turbo-generator Set, the minimum technology for measuring extraction condensing type Turbo-generator Set are contributed.
8. the minimum technology output assay method of extraction condensing type Turbo-generator Set as claimed in claim 7, which is characterized in that
Data acquire the step of include：
The step of steam turbine heating power data acquires acquires the heating power data of steam turbine, including main steam, reheated steam, each section of pumping
Pressure, temperature and the flow of vapour, turbine discharge, condensed water, water supply and heater condensate；
The step of steam turbine control data acquire, acquires the control data of steam turbine, including the rotary speed instruction of steam turbine, steam turbine
Load instruction and valve opening feedback data；
The step of Turbine Safety monitoring data acquire, acquire the safety monitoring data of steam turbine, including steam turbine vibrates, is swollen
Difference, axial displacement and bearing temperature；
The step of Generator electrical data acquire, acquires the electric power data of generator, includes the electricity of generator, transformer and power grid
Pressure, electric current and power；
The step of heat supply network data acquire acquires heat supply network data, including heat supply network water supply, the pressure of return water, temperature and flow；
The step of environmental data collecting, acquires environmental data, including the temperature in extraction condensing type Turbo-generator Set location and air pressure.
9. the minimum technology output assay method of extraction condensing type Turbo-generator Set as claimed in claim 8, which is characterized in that
The step of data processing includes：
The step of abnormal data judges judges whether each data group that the step of data acquire acquires includes abnormal data；
The step of rejecting abnormal data, when the judging result for the step of abnormal data judges is is, rejecting is judged data group
In abnormal data；
The step of data error is corrected acquires when the judging result for the step of abnormal data judges is is according to each data
The step of used measuring instrument known error the corresponding normal data in each data group is modified, or different
Constant it is judged that the step of judging result when being no, known to the step of being acquired according to each data used measuring instrument
Error is modified the corresponding data in each data group.
10. the minimum technology output assay method of extraction condensing type Turbo-generator Set as claimed in claim 9, which is characterized in that
Coupled thermomechanics model generate the step of include：
The step of data identification, the revised data of Identification Errors；
The step of steam turbine heating power data is generated with heat supply network heating load relation curve generates steam turbine heat according to the data of identification
The relation curve of force data and heat supply network heating load；
The step of steam turbine heating power data is generated with generator power relation curve generates steam turbine heat according to the data of identification
The relation curve of force data and generator power；
The step of steam turbine control data are generated with heat supply network heating load relation curve generates steam turbine control according to the data of identification
The relation curve of data processed and heat supply network heating load；
The step of steam turbine control data are generated with generator power relation curve generates steam turbine control according to the data of identification
The relation curve of data processed and generator power；
The step of Turbine Safety monitoring data are generated with heat supply network heating load relation curve generates steamer according to the data of identification
The relation curve of machine safety monitoring data and heat supply network heating load；
The step of Turbine Safety monitoring data are generated with generator power relation curve generates steamer according to the data of identification
The relation curve of machine safety monitoring data and generator power；
The step of environmental data is generated with heat supply network heating load relation curve, according to the data of identification, build environment data and heat supply network
The relation curve of heating load；
The step of environmental data is generated with generator power relation curve, according to the data of identification, build environment data and power generation
The relation curve of acc power；
The a plurality of relation curve generated constitutes the characteristic curve group of extraction condensing type Turbo-generator Set.
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| CN110568357A (en) * | 2019-09-10 | 2019-12-13 | 国网黑龙江省电力有限公司电力科学研究院 | nuclear power unit electric output monitoring and diagnosing system |
| CN110608070A (en) * | 2019-07-29 | 2019-12-24 | 大唐东北电力试验研究院有限公司 | Minimum safe flow control method for steam turbine |
| CN112377985A (en) * | 2020-10-10 | 2021-02-19 | 湖南大唐先一科技有限公司 | Heat supply unit peak regulation lower limit evaluation method and system based on feedback neural network |
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| CN110568357A (en) * | 2019-09-10 | 2019-12-13 | 国网黑龙江省电力有限公司电力科学研究院 | nuclear power unit electric output monitoring and diagnosing system |
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