CN107871181A - A kind of cogeneration units generation schedule formulating method, apparatus and system - Google Patents
A kind of cogeneration units generation schedule formulating method, apparatus and system Download PDFInfo
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Abstract
The present invention discloses a kind of cogeneration units generation schedule formulating method, apparatus and system, wherein, pass through heating parameter actual measurement and day thermal parameter requirement forecasting, with reference to unit design parameter, determine minimum unit number of units needed for power plant's heat supply, actual measurement section and the thermoelectricity relation grid of each variable are divided with surge requirements according to system frequency modulation peaking performance and unit maximum allowable offset, generate the thermoelectricity relation group of discretization, in bound corresponding to the retrieval of thermoelectricity relation group and corrected using prediction thermal parameter, obtain output bound section needed for heat supply.According to the electricity stateful transaction and network constraint condition of unit, pattern is arranged using different daily plannings.The present invention grasps the heat supply information of necessary Power Plant by the cogeneration units of acquisition and full factory's output bound constraints, improves the peaking performance of system.
Description
Technical field
The present invention relates to thermoelectricity scheduling controlling field, more particularly to a kind of cogeneration units generation schedule formulating method,
Apparatus and system.
Background technology
With the rising of construction and the cogeneration units proportion in power network of electricity market, cogeneration units by
Stepping enters electricity market.Cogeneration units are different from pure because heat supply limits in the electricity restrictive condition of power market transaction
Solidifying unit, peak regulation section is also different from pure condensate unit in day-to-day operation.In the past in the policy for performing national electricity determining by heat, adjust
It is more extensive to the scheduling mode of cogeneration units to spend mechanism, to the thermal parameter and heating power of different type cogeneration units
Characteristic is short in understanding, and when power network needs peak regulation, cogeneration units are not often actively engaged in peak load regulation network, therefore easily cause
Contradiction between cogeneration units and pure condensate unit.And power network is not complete because of being grasped to cogeneration units thermoelectricity information, under
The actual conditions of unit are easily separated from up to load instruction causes load instruction to be difficult to carry out, and causes communication and coordination work between both sides
Increase.With the implementation of national cogeneration of heat and power supporting policy, industrial heating unit total capacity and proportion are constantly expanding, should
The operation of class unit and scheduling mode are also further increasing the stabilization and security implication of power network, while it is new to influence power network consumption
The energy.
Past forms daily planning for cogeneration units and arranged, and rule of thumb formulates unit output plan.But thermoelectricity
Coproduction unit output bound is larger by steam supply flow effect, while also by boundary condition systems such as the method for operation, environment temperatures
About.In addition, for industrial central heating, the difference of steam supply quality requirements also be present, the difference of steam supply quality requirements, also make similar
The unit of type needs different unit outputs.Arranged due to lacking above-mentioned thermal parameter and heat performance curve, scheduling institution
It is often more extensive in terms of cogeneration units output.Further, since not grasping unit heat capacity, heat supply is needed to power plant
Minimum unit number of units is also short in understanding, it is impossible to obtains the output bound situation needed for full factory's guarantee heat supply, is opened arranging unit
It is also more passive in terms of shutdown.Therefore, cogeneration units heat supply information, reasonable arrangement cogeneration units how effectively to be grasped
Contribute, fully excavate peak load regulation potentiality, be always the problem of urgent need to resolve is dispatched in cogeneration units daily planning.
The thermodynamic property of thermal power plant unit is influenceed for multivariable song by steam supply flow, steam supply quality, the multiple conditions of environment temperature
Line.Heat supply extraction flow has multistage again, is determined if each variable characteristics curve is all surveyed by parameter, will be huge engineering
Measure, and be also difficult to the thermoelectricity relational database of generation the whole network using huge data volume.How scientifically and rationally to divide each
Variable is in the section of actual measurement and thermoelectricity relation, and the essential condition that the system is practical.
The content of the invention
The main object of the present invention is to propose a kind of cogeneration units generation schedule formulating method, it is intended to overcomes above-mentioned ask
Topic.
To achieve the above object, cogeneration units generation schedule formulating method proposed by the present invention, comprises the following steps：
The thermal parameter of S10 collection unit heat supply actual measurements, establish the characteristic of actual measurement thermal parameter and full factory's output bound
Model, wherein thermal parameter include the measured value of steam supply flow, environment temperature and pressure of steam supply；
The thermal parameter of S20 input power plant's next day predictions, actual measurement heating power is mapped to by the thermal parameter that power plant predicts next day
The characteristic model of parameter and full factory's output bound, thus obtain on being contributed needed for power plant's next day prediction thermal parameter and its heat supply
Lower limit constraints；
S30 is by the measured value and every unit steam supply parameter of unit steam supply flow, the heat capacity number of every unit of acquisition
According to the minimum unit number of units needed for the heat supply of steam supply flow acquisition power plant predicted with reference to power plant's next day；
Power plant's next day acquired in S20 is predicted that output bound constraints combines needed for thermal parameter and heat supply by S40
Minimum unit number of units needed for power plant's heat supply acquired in S30, generate the constraints of thermal power plant unit and full factory's output bound；
S50 extracts the thermal power plant unit and full factory's output bound constraints and the output bound constraints of power network
Common factor, generate cogeneration units and full factory's output bound constraints；
S60 formulates power plants generating electricity plan, with ginseng according to the cogeneration units and full factory's output bound constraints
With the load optimal distribution of next day the whole network.
Preferably, the thermal parameter also includes the measured value of environment temperature and pressure of steam supply, and the S20 includes：
S201 will survey thermal parameter with the characteristic model of output bound by the one of the steam supply flow of unit heat supply actual measurement
Determine percent value division grid line, generate the characteristic group of the actual measurement heating power of discretization；
The thermal parameter of S202 input power plant's next day predictions, the thermal parameter that power plant is predicted next day and the spy of actual measurement heating power
Property group matched, obtain corresponding to the actual measurement thermal parameter and measured value of environment temperature and pressure of steam supply；
If the pressure of steam supply of S203 power plant next day prediction is more than pre-established threshold with influence of the environment temperature to unit output,
By the environment temperature of measured value amendment power plant's next day and the predicted value of pressure of steam supply of corresponding environment temperature and pressure of steam supply；
S204 is pre- by the environment temperature of acquired corresponding actual measurement thermal parameter combination power plant's next day and pressure of steam supply
Measured value, obtain output bound constraints needed for power plant's next day prediction thermal parameter and its heat supply.
Preferably, the scope of the certain percentage value of the specified steam supply flow of the actual measurement unit is 5-10%.
Preferably, the pre-established threshold is 2%.
The present invention also proposes a kind of cogeneration units generation schedule making device, including：
Module is established, for gathering the thermal parameter of unit heat supply actual measurement, is established in actual measurement thermal parameter and full factory output
The characteristic model of lower limit, wherein thermal parameter include the measured value of steam supply flow, environment temperature and pressure of steam supply；
First acquisition module, for inputting the thermal parameter of power plant's next day prediction, the thermal parameter that power plant is predicted next day
Map to the characteristic model of actual measurement thermal parameter and full factory's output bound, thus obtain power plant's next day prediction thermal parameter and its
Output bound constraints needed for heat supply；
Second acquisition module, for the steam supply flow and unit steam supply parameter surveyed by unit heat supply, obtain every unit
Heat capacity data, the steam supply flow predicted with reference to power plant's next day obtain power plant heat supply needed for minimum unit number of units；
First generation module, for power plant's next day acquired in the first acquisition module to be predicted needed for thermal parameter and heat supply
Minimum unit number of units needed for power plant's heat supply of the output bound constraints with reference to acquired in the second acquisition module, generate heat supply machine
The constraints of group and full factory's output bound；
Second generation module, for extracting the thermal power plant unit and full factory's output bound constraints and the output of power network
The common factor of bound constraints, generate cogeneration units and full factory's output bound constraints；
Module is formulated, for according to the cogeneration units and full factory's output bound constraints, formulating power plant's hair
Electricity plan, to participate in the load optimal distribution of next day the whole network.
Preferably, first acquisition module includes：
Generation unit, for thermal parameter will to be surveyed with the characteristic model of output bound by the specified steam supply for surveying unit
The certain percentage value division grid line of flow, generate the characteristic group of the actual measurement heating power of discretization；
Matching unit, for inputting the thermal parameter of power plant's next day prediction, the thermal parameter and reality that power plant is predicted next day
The characteristic group of calorimetric power is matched, and obtains corresponding actual measurement thermal parameter and the measured value of environment temperature and pressure of steam supply；
Amending unit, if the pressure of steam supply for the prediction of power plant's next day is more than in advance with influence of the environment temperature to unit output
Determine threshold, then by corresponding environment temperature and pressure of steam supply measured value amendment power plant's next day environment temperature and pressure of steam supply
Predicted value；
Acquiring unit, for by the environment temperature and steam supply of acquired corresponding actual measurement thermal parameter combination power plant's next day
The predicted value of pressure, obtain output bound constraints needed for power plant's next day prediction thermal parameter and its heat supply.
The present invention also proposes that a kind of cogeneration units generation schedule formulates system, including is completed for obtaining power project
Actual thermal parameter the 3rd acquisition module, the calibration evaluation module for calculating power plant's predictablity rate, in addition to as above
Described cogeneration units generation schedule making device.
Beneficial effects of the present invention：By unit steam supply experiment test, the steam supply for reflecting unit thermoelectricity relation property is obtained
Characteristic curve or model, unit next day is reported and submitted to predict thermal parameter demand by power plant, with reference to power constraint condition generation unit
Output bound constraints, this method cause the scheduling institution of power network to grasp necessary thermal power plant unit information, can ensured
The minimum unit number of units of power plant's heat supply and the arrangement that generates electricity, and the peak regulation potentiality of cogeneration power plant can be fully excavated, improve this
The frequency modulation peaking performance of system；Again by the calculating of minimum unit number of units needed for heat supply, thermal power plant unit number of units is reduced, further
The peak modulation capacity of lifting system.In addition, by thermic load reasonable distribution, full factory's net coal consumption rate is reduced, energy-saving and emission-reduction, reaches green ring
The social benefit of guarantor.It is maximum allowable partially by system frequency modulation peaking performance and unit in order to reduce actual measurement and data amount of calculation
Difference is divided each range of variables with surge requirements.It is in order to solve the problems, such as that multivariable influences output bound, characteristic is bent
Line discretization, thermodynamic property group is obtained, bound is retrieved in group using prediction thermal parameter demand, and corrected,
Avoid " dimension disaster " of thermal parameter multidimensional optimizing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is a kind of method flow diagram of embodiment of cogeneration units generation schedule formulating method one of the present invention；
Fig. 2 is the method flow diagram of the S20；
Fig. 3 is a kind of functional block diagram of cogeneration units generation schedule making device of the present invention；
Fig. 4 is the function refinement figure of first acquisition module of the present invention；
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do
Description be only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical scheme is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
Conjunction is not present, also not within the protection domain of application claims.
As Figure 1-4, the present invention proposes a kind of cogeneration units generation schedule formulating method, comprises the following steps：
The thermal parameter of S10 collection unit heat supply actual measurements, establish the characteristic of actual measurement thermal parameter and full factory's output bound
Model, wherein thermal parameter include the measured value of steam supply flow, environment temperature and pressure of steam supply；
The thermal parameter of S20 input power plant's next day predictions, actual measurement heating power is mapped to by the thermal parameter that power plant predicts next day
The characteristic model of parameter and full factory's output bound, thus obtain on being contributed needed for power plant's next day prediction thermal parameter and its heat supply
Lower limit constraints；
S30 is by the measured value and every unit steam supply parameter of unit steam supply flow, the steam supply ability number of every unit of acquisition
According to the minimum unit number of units needed for the heat supply of steam supply flow acquisition power plant predicted with reference to power plant's next day；
Power plant's next day acquired in S20 is predicted that output bound constraints combines needed for thermal parameter and heat supply by S40
Minimum unit number of units needed for power plant's heat supply acquired in S30, generate the constraints of thermal power plant unit and full factory's output bound；
S50 extracts the thermal power plant unit and full factory's output bound constraints and the output bound constraints of power network
Common factor, generate cogeneration units and full factory's output bound constraints；
S60 formulates power plants generating electricity plan, with ginseng according to the cogeneration units and full factory's output bound constraints
With the load optimal distribution of next day the whole network.
In present example, the present invention first carries out experiment test to all units of all power plant, and gathers the machine of correlation
The measured values such as group steam supply flow, pressure of steam supply, environment temperature, actual measurement thermal parameter and output bound are acquired by measured value
Characteristic relation, the characteristic model of actual measurement thermal parameter and output bound is established according to these characteristic relations.Will
Power plant reports and submits the prediction thermal parameter of next day to map to the characteristic model, obtains power plant's thermal power plant unit of discretization and contributes up and down
Limit constraints；Surveyed again by unit heat supply steam supply flow and unit steam supply parameter (refer to unit dispatch from the factory design provide steam supply
Parameter), obtain minimum unit number of units；With reference to the power plant's thermal power plant unit and output bound constraints of discretization and minimum unit
Number of units, obtain the constraints of thermal power plant unit and full factory's output bound；Extract the thermal power plant unit and full factory's output bound
The common factor of constraints and the output bound constraints of power network refers to that both minimum values of extraction are the upper limit, extracts both
Maximum is the output bound constraints that lower limit is formed；The output bound constraints of the power network refers to be determined by power network
Fixed output bound constraints, as line load is too big, it is impossible to send out the constraints of more electricity etc；By the heat formed
Unit and full factory's output bound constraints are produced in Electricity Federation, formulate power plants generating electricity plan, participate in the load optimal point of next day the whole network
Match somebody with somebody.It is complete after secondary daily planning execution to obtain actual thermal parameter, predictablity rate is calculated, according to government's corresponding management method to pre-
Survey the too low power plant of accuracy rate and take appraisal method；The thermoelectricity connection brand-name computer group and the output bound of full factory, further according to unit
Electricity stateful transaction and power constraint condition, pattern is arranged using different daily planning.
Survey the scene practical operation of steam supply flow：The selection of surveying the testing site of steam supply flow it is close enough (according to GB8117.2,
Steam supply flow is surveyed to choose during at intervals of 10% specified steam supply flow) not over 2%, discretization is for the error of output bound
When two desired value errors of output upper and lower bound are no more than 2%, prediction (or actual) steam supply flow (unlimited number of) is reflected
It is mapped in limited actual measurement steam supply flow.Such as：Steam supply flow (middle pressure/low pressure) { 54.3,52.1 } is predicted, in all actual measurements
In steam supply flow rate test point, the actual measurement steam supply flow point closest to the prediction steam supply flow is { 50,50 }, so prediction steam supply stream
It is { 50,50 } to measure (middle pressure/low pressure) { 54.3,52.1 } processing.
Preferably, the thermal parameter also includes：Pressure of steam supply and environment temperature, the S20 include：
S201 will survey thermal parameter with the characteristic model of output bound by the one of the steam supply flow of unit heat supply actual measurement
Determine percent value division grid line, generate the characteristic group of the actual measurement heating power of discretization；
The thermal parameter of S202 input power plant's next day predictions, the thermal parameter that power plant is predicted next day and the spy of actual measurement heating power
Property group matched, obtain corresponding to the actual measurement thermal parameter and measured value of environment temperature and pressure of steam supply；
If the pressure of steam supply of S203 power plant next day prediction is more than pre-established threshold with influence of the environment temperature to unit output,
By the environment temperature of measured value amendment power plant's next day and the predicted value of pressure of steam supply of corresponding environment temperature and pressure of steam supply；
S204 is pre- by the environment temperature of acquired corresponding actual measurement thermal parameter combination power plant's next day and pressure of steam supply
Measured value, obtain output bound constraints needed for power plant's next day prediction thermal parameter and its heat supply.
In embodiments of the present invention, because the characteristic model of actual measurement thermal parameter and output bound is joined by actual measurement heating power
Number and the characteristic relation of output bound are established, and the characteristic relation for surveying thermal parameter and output bound is more
Variable curve, limited by actual measurement condition, all variables can not possibly be combined and all completed by heat supply actual measurement.Therefore, according to system frequency modulation
Peaking performance and unit maximum allowable offset and surge requirements, by the characteristic model by the steam supply flow of unit heat supply actual measurement
Certain percentage value divides grid line, while is not more than pre-established threshold conduct by pressure of steam supply, influence of the environment temperature to output
Unit maximum allowable offset and surge requirements, generate the characteristic group of the actual measurement heating power of discretization.The heat that power plant is predicted next day
Force parameter maps to the characteristic model, is retrieved in the characteristic group of actual measurement heating power, obtains corresponding actual measurement thermal parameter and ring
The boundary condition such as the measured value of border temperature and pressure of steam supply, amendment pressure of steam supply, environment temperature, obtain power plant's next day prediction heating power
Output bound constraints needed for parameter and its heat supply.
Preferably, the scope of the certain percentage value of the specified steam supply flow of the actual measurement unit is 5-10%.
Preferably, the pre-established threshold is 2%.
Beneficial effects of the present invention：By unit steam supply experiment test, the steam supply for reflecting unit thermoelectricity relation property is obtained
Characteristic curve or model, unit next day is reported and submitted to predict thermal parameter demand by power plant, with reference to power constraint condition generation unit
Output bound constraints, this method cause the scheduling institution of power network to grasp necessary thermal power plant unit information, can ensured
The minimum unit number of units of power plant's heat supply and the arrangement that generates electricity, and the peak regulation potentiality of cogeneration power plant can be fully excavated, improve this
The frequency modulation peaking performance of system；Again by the calculating of minimum unit number of units needed for heat supply, thermal power plant unit number of units is reduced, further
The peak modulation capacity of lifting system.In addition, by thermic load reasonable distribution, full factory's net coal consumption rate is reduced, energy-saving and emission-reduction, reaches green ring
The social benefit of guarantor.It is maximum allowable partially by system frequency modulation peaking performance and unit in order to reduce actual measurement and data amount of calculation
Difference is divided each range of variables with surge requirements.It is in order to solve the problems, such as that multivariable influences output bound, characteristic is bent
Line discretization, thermodynamic property group is obtained, bound is retrieved in group using prediction thermal parameter demand, and corrected,
Avoid " dimension disaster " of thermal parameter multidimensional optimizing.
The present invention also proposes a kind of cogeneration units generation schedule making device, this kind of cogeneration units generation schedule
Making device is to realize above-mentioned cogeneration units generation schedule formulating method, due to this cogeneration units generation schedule system
Determine whole technical schemes that device employs above-mentioned all embodiments, therefore at least there is the technical scheme institute band of above-described embodiment
All beneficial effects come, this is no longer going to repeat them.This kind of cogeneration units generation schedule making device, including：
Module 10 is established, for gathering the thermal parameter of unit heat supply actual measurement, actual measurement thermal parameter is established and is contributed with full factory
The characteristic model of bound, wherein thermal parameter include steam supply flow；
First acquisition module 20, for inputting the thermal parameter of power plant's next day prediction, the heating power that power plant is predicted next day is joined
Number maps to the characteristic model of actual measurement thermal parameter and full factory's output bound, thus obtain power plant's next day prediction thermal parameter and
Output bound constraints needed for its heat supply；
Second acquisition module 30, for the measured value by unit steam supply flow and unit steam supply parameter, obtain every unit
Heat capacity data, the steam supply flow predicted with reference to power plant's next day obtain power plant heat supply needed for minimum unit number of units；
First generation module 40, for power plant's next day acquired in the first acquisition module to be predicted into thermal parameter and heat supply institute
Minimum unit number of units needed for power plant's heat supply of the bound that need to the contribute constraints with reference to acquired in the second acquisition module, generate heat supply
The constraints of unit and full factory's output bound；
Second generation module 50, for extracting going out for the thermal power plant unit and full factory's output bound constraints and power network
The common factor of power bound constraints, generate cogeneration units and full factory's output bound constraints；
Module 60 is formulated, for according to the cogeneration units and full factory's output bound constraints, formulating power plant
Generation schedule, to participate in the load optimal distribution of next day the whole network.
Preferably, the measured value of the environment temperature and pressure of steam supply, first acquisition module 20 include：
Generation unit 201, for thermal parameter will to be surveyed with the characteristic model of output bound by the specified of actual measurement unit
The certain percentage value division grid line of steam supply flow, generate the characteristic group of the actual measurement heating power of discretization；
Matching unit 202, for input power plant's next day prediction thermal parameter, the thermal parameter that power plant is predicted next day with
The characteristic group of actual measurement heating power is matched, and obtains the actual measurement of corresponding actual measurement thermal parameter and environment temperature and pressure of steam supply
Value；
Amending unit 203, if big for the pressure of steam supply of power plant's next day prediction and influence of the environment temperature to unit output
In pre-established threshold, then by corresponding environment temperature and pressure of steam supply measured value amendment power plant's next day environment temperature and steam supply
The predicted value of pressure；
Acquiring unit 204, for by the environment temperature of acquired corresponding actual measurement thermal parameter combination power plant's next day and
The predicted value of pressure of steam supply, obtain output bound constraints needed for power plant's next day prediction thermal parameter and its heat supply.
The present invention also proposes that a kind of cogeneration units generation schedule formulates system, including is completed for obtaining power project
Actual thermal parameter the 3rd acquisition module, the calibration evaluation module for calculating power plant's predictablity rate, in addition to as above
Described cogeneration units generation schedule making device, to obtain power project.
The system obtains electricity executive plan by cogeneration units generation schedule making device, then obtains unit by it
Electricity stateful transaction, actual thermal parameter is obtained after secondary daily planning execution by the 3rd acquisition module, and mould is examined by calibrating
Block calculates the accuracy rate of the prediction thermal parameter for the next day that power plant reports and submits, according to government's corresponding management method to predictablity rate mistake
Low power plant takes appraisal method.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (7)
1. a kind of cogeneration units generation schedule formulating method, it is characterised in that comprise the following steps：
The thermal parameter of S10 collection unit heat supply actual measurements, the characteristic model of actual measurement thermal parameter and full factory's output bound is established,
Wherein thermal parameter includes steam supply flow；
The thermal parameter of S20 input power plant's next day predictions, actual measurement thermal parameter is mapped to by the thermal parameter that power plant predicts next day
With the characteristic model of full factory's output bound, output bound needed for power plant's next day prediction thermal parameter and its heat supply is thus obtained
Constraints；
S30 is obtained the heat capacity data of every unit, tied by the measured value and every unit steam supply parameter of unit steam supply flow
Close the minimum unit number of units needed for the steam supply flow acquisition power plant heat supply of power plant's next day prediction；
Power plant's next day acquired in S20 is predicted output bound constraints combination S30 institutes needed for thermal parameter and heat supply by S40
Minimum unit number of units needed for power plant's heat supply of acquisition, generate the constraints of thermal power plant unit and full factory's output bound；
S50 extracts the friendship of the thermal power plant unit and full factory's output bound constraints and the output bound constraints of power network
Collection, generate cogeneration units and full factory's output bound constraints；
S60 formulates power plants generating electricity plan, with participation time according to the cogeneration units and full factory's output bound constraints
The load optimal distribution of day the whole network.
2. cogeneration units generation schedule formulating method as claimed in claim 1, it is characterised in that the thermal parameter is also
Measured value including environment temperature and pressure of steam supply, the S20 include：
S201 will survey thermal parameter with the characteristic model of output bound by certain the hundred of the steam supply flow of unit heat supply actual measurement
Divide ratio division grid line, generate the characteristic group of the actual measurement heating power of discretization；
The thermal parameter of S202 input power plant's next day predictions, the thermal parameter that power plant is predicted next day and the characteristic group of actual measurement heating power
Group is matched, and obtains corresponding actual measurement thermal parameter and the measured value of environment temperature and pressure of steam supply；
If the pressure of steam supply of S203 power plant next day prediction is more than pre-established threshold with influence of the environment temperature to unit output, by institute
The environment temperature of measured value amendment power plant's next day and the predicted value of pressure of steam supply of corresponding environment temperature and pressure of steam supply；
S204 by the acquired environment temperature of corresponding actual measurement thermal parameter combination power plant's next day and the predicted value of pressure of steam supply,
Obtain output bound constraints needed for power plant's next day prediction thermal parameter and its heat supply.
3. cogeneration units generation schedule formulating method as claimed in claim 2, it is characterised in that the actual measurement unit
The scope of the certain percentage value of specified steam supply flow is 5-10%.
4. cogeneration units generation schedule formulating method as described in claim 2, it is characterised in that the pre-established threshold
For 2%.
A kind of 5. cogeneration units generation schedule making device, it is characterised in that including：
Module is established, for gathering the thermal parameter of unit heat supply actual measurement, establishes actual measurement thermal parameter and full factory's output bound
Characteristic model, wherein thermal parameter includes steam supply flow；
First acquisition module, for inputting the thermal parameter of power plant's next day prediction, the thermal parameter that power plant is predicted next day maps
To the characteristic model of actual measurement thermal parameter and full factory's output bound, power plant's next day prediction thermal parameter and its heat supply are thus obtained
Required output bound constraints；
Second acquisition module, for the measured value by unit steam supply flow and every unit steam supply parameter, obtain every unit
Heat capacity data, the minimum unit number of units needed for the heat supply of steam supply flow acquisition power plant predicted with reference to power plant's next day；
First generation module, for power plant's next day acquired in the first acquisition module to be predicted into output needed for thermal parameter and heat supply
Minimum unit number of units needed for power plant's heat supply of the bound constraints with reference to acquired in the second acquisition module, generation thermal power plant unit and
The constraints of full factory output bound；
Second generation module, for extracting above and below the thermal power plant unit and full factory's output bound constraints and the output of power network
The common factor of constraints is limited, generates cogeneration units and full factory's output bound constraints；
Module is formulated, for according to the cogeneration units and full factory's output bound constraints, formulating power plants generating electricity meter
Draw, to participate in the load optimal distribution of next day the whole network.
6. cogeneration units generation schedule making device as claimed in claim 5, it is characterised in that the thermal parameter is also
Measured value including environment temperature and pressure of steam supply, first acquisition module include：
Generation unit, for thermal parameter will to be surveyed with the characteristic model of output bound by the specified steam supply flow for surveying unit
Certain percentage value division grid line, generate discretization actual measurement heating power characteristic group；
Matching unit, for inputting the thermal parameter of power plant's next day prediction, the thermal parameter that power plant is predicted next day and actual measurement heat
The characteristic group of power is matched, and obtains corresponding actual measurement thermal parameter and the measured value of environment temperature and pressure of steam supply；
Amending unit, if the pressure of steam supply for the prediction of power plant's next day is more than predetermined fault with influence of the environment temperature to unit output
Value, then by corresponding environment temperature and pressure of steam supply measured value amendment power plant's next day environment temperature and pressure of steam supply it is pre-
Measured value；
Acquiring unit, for by the environment temperature and pressure of steam supply of acquired corresponding actual measurement thermal parameter combination power plant's next day
Predicted value, obtain power plant's next day prediction thermal parameter and its heat supply needed for output bound constraints.
7. a kind of cogeneration units generation schedule formulates system, including for obtaining the actual thermal parameter of power project completion
The 3rd acquisition module, the calibration evaluation module for calculating power plant's predictablity rate, it is characterised in that also include as right will
Seek the cogeneration units generation schedule making device described in 5 and 6.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580663A (en) * | 2019-09-24 | 2019-12-17 | 国网辽宁省电力有限公司沈阳供电公司 | Calculation method for power generation output upper limit of cogeneration unit |
| CN110986155A (en) * | 2019-12-05 | 2020-04-10 | 深圳供电局有限公司 | Heat supply data processing method and device |
| CN113112095A (en) * | 2021-05-11 | 2021-07-13 | 杭州英集动力科技有限公司 | Multi-mode multi-heat supply unit load real-time optimization scheduling method and management system |
| CN113205224A (en) * | 2021-05-17 | 2021-08-03 | 杭州英集动力科技有限公司 | Primary frequency modulation method of cogeneration unit based on heat storage of heat supply network |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106447152A (en) * | 2016-06-21 | 2017-02-22 | 中国南方电网有限责任公司电网技术研究中心 | Energy center-based power-gas-heat system co-scheduling method and system |
| CN107248017A (en) * | 2017-07-26 | 2017-10-13 | 广东电网有限责任公司电力调度控制中心 | A kind of real-time generation schedule optimization method for considering cogeneration of heat and power |
-
2017
- 2017-10-17 CN CN201710964789.6A patent/CN107871181B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106447152A (en) * | 2016-06-21 | 2017-02-22 | 中国南方电网有限责任公司电网技术研究中心 | Energy center-based power-gas-heat system co-scheduling method and system |
| CN107248017A (en) * | 2017-07-26 | 2017-10-13 | 广东电网有限责任公司电力调度控制中心 | A kind of real-time generation schedule optimization method for considering cogeneration of heat and power |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580663A (en) * | 2019-09-24 | 2019-12-17 | 国网辽宁省电力有限公司沈阳供电公司 | Calculation method for power generation output upper limit of cogeneration unit |
| CN110986155A (en) * | 2019-12-05 | 2020-04-10 | 深圳供电局有限公司 | Heat supply data processing method and device |
| CN113112095A (en) * | 2021-05-11 | 2021-07-13 | 杭州英集动力科技有限公司 | Multi-mode multi-heat supply unit load real-time optimization scheduling method and management system |
| CN113205224A (en) * | 2021-05-17 | 2021-08-03 | 杭州英集动力科技有限公司 | Primary frequency modulation method of cogeneration unit based on heat storage of heat supply network |
| CN113205224B (en) * | 2021-05-17 | 2022-06-14 | 浙江英集动力科技有限公司 | Primary frequency modulation method of cogeneration unit based on heat storage of heat supply network |
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