CN104505824A - Method and device for making electricity-generating load plan of thermal power plant under running mode of ordering power by heat - Google Patents
Method and device for making electricity-generating load plan of thermal power plant under running mode of ordering power by heat Download PDFInfo
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- CN104505824A CN104505824A CN201410760077.9A CN201410760077A CN104505824A CN 104505824 A CN104505824 A CN 104505824A CN 201410760077 A CN201410760077 A CN 201410760077A CN 104505824 A CN104505824 A CN 104505824A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/80—Management or planning
- Y02P90/82—Energy audits or management systems therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention relates to a method and a device for making an electricity-generating load plan of a thermal power plant under a running mode of ordering power by heat. The method is characterized by comprising the following steps: collecting data; settling, correcting and cleaning the collected data, removing bad data, and ensuring the valid data; collecting a load predicted data: making the electricity-generating load plan by searching a thermal load and an electrical load data in a historical data computer according to the temperature, humidity and air speed of weather forecast data from a weather bureau and the week and holiday data of the to-be-made electricity-generating date of the thermal power plant, storing the data in a data warehouse of a computer for making the electricity-generating load plan of the thermal power plant under the running mode of ordering power by heat, and then forming a load planning curve of the generating load corresponding to the time; correcting the data stored in the data warehouse of the computer for making the electricity-generating load plan of the thermal power plant under the running mode of ordering power by heat according to a practical completing condition data. The invention also provides the device for making the electricity-generating load plan of the thermal power plant under the running mode of ordering power by heat. The method and device have the advantages of scientific, reasonable and practical properties and capability of increasing the accuracy and precision of the making of the electricity-generating load plan.
Description
Technical field
The present invention relates to field of energy source power, specifically, is cogeneration power plant's generation load ways to draw up the plan and device under a kind of electricity determining by heat operational mode.
Background technology
China has numerous single-machine capacity to be the middle-size and small-size condensing-type of 25MW and 12MW or adjusts extraction-condensing steam turbine, and its total capacity is more than 12000MW.The operational factor of medium and small gas turbine is low, and performance driving economy is poor, and they are often sent out 1kWh electric energy and will to emulate the advanced the fuel of nearly one times of the many consumption of large-size steam turbine.These medium and small gas turbine are mostly distributed in the power plant for self-supply of industrial enterprise.During by running its " electricity determining by heat ", the on-line monitoring of energy output and accurate-metering, limit its additional power amount, for the amount of power supply increasing electric company, has great importance.
The load scheduling of current traffic department to cogeneration power plant belongs to extensive.From the angle safeguarding normal social production order, as long as there is heat load in cogeneration power plant just should allow its generating online, the running time of unit is inevitable is consistent with the life period of heat load, and from this angle, the hours of operation of unit should equal the lasting hourage of heat load.According to thermal power plant unit operation characteristic, its electric loading should bear can not be less than the minimum electrical load requirements of its stable operation.Therefore its annual generation load simply can not be determined by the requirement of network load scheduling, and should according to its previous year actual measurement heat load characteristic and the contingent change of local heat load, appraise and decide its index amount that generates electricity then, dispatching of power netwoks department does not consider the function of the problem relevant with heat load.
By national energy policy, thermal power plant unit performs " electricity determining by heat " operational mode, but in the face of the heat load of certain total amount, how to distribute these heat loads and have a direct impact generated output between the inner thermal power plant unit of cogeneration power plant.From the angle of cogeneration power plant, be multiple electricity under the prerequisite ensureing heat supply naturally, secondly just consider the problem that fuel cost is little as far as possible, because with regard to present case, the income of generating is greater than the income of heat supply.This just and between dispatching of power netwoks produces contradiction, and especially when electrical network is in the face of significantly peak regulation pressure, this contradiction is just more outstanding.
Therefore, from the angle of dispatching of power netwoks and cogeneration power plant's operation optimization, cogeneration power plant's " electricity determining by heat " operational mode organically should be combined with unit electricity, heat load optimum allocation, cogeneration power plant is urged to carry out the research work of this respect, on the one hand so as to improving cogeneration power plant's economy, effectively organize peak load regulation network on the other hand, ensure whole power grid security economical operation.The accurate heat load understanding each factory and each thermal power plant unit of grasping is the prerequisite realizing " electricity determining by heat ".Only have the heat load accurately having grasped each thermal power plant unit, can calculate its rational energy output according to the software of " electricity determining by heat ", the energy output sum of each unit is dispatching of power netwoks department and assigns to the generating index of each cogeneration power plant.According to current actual conditions, the monitoring means of each cogeneration power plant heat load is perfect not, is badly in need of the hardware facility strengthening heat load monitoring aspect.Heat load monitoring should as far as possible comprehensively accurately, even if do not have condition to do very perfect, but at least should monitor cogeneration power plant's total heat duties, the extraction flow of each thermal power plant unit and parameter.The monitoring record time interval should be short as far as possible, and the data of record are accurate as far as possible.Because only in this way, the Mathematical Modeling of " electricity determining by heat " accurately could be made, and on this basis according to local electricity, heat load variation tendency, establishment planning software.
Because unit capacity is little, efficiency is low, and pollutant discharge amount is large, is also unfavorable for realizing energy-saving and emission-reduction.At present, many cogeneration power plants are actual is not that " electricity determining by heat " runs, and causes the minimizing of electric company's electricity sales amount.
This patent object meets the needs these cogeneration power plants being worked out to generation schedule by " electricity determining by heat " mode, is also limit it to run not according to " electricity determining by heat " mode simultaneously, thus reaches the object of efficient energy-saving.
Summary of the invention
Concept of the present invention is:
1. effectively collect the relevant heat supply of associated hot power plant and the data of generating thereof;
2. collect Predicting Cogeneration Plant Thermal Loads relevant rudimentary data, effective short-term forecast is carried out to heat load, for electricity determining by heat lays the first stone;
3. set up the data warehouse of the energy output of cogeneration power plant and the historical data of heat load data, carry out data mining process on this basis, find heat load and electric loading inner link;
4. this method excavates implicit the unknown from mass data, and data mining process comprises data encasement, knowledge extraction, the representation of knowledge and assessment three phases.It is very favorable for data mining being used for cogeneration power plant's generation load plan, especially under the condition changed greatly in environmental factor and social information etc., data mining technology can in complicated huge history number, reject mistake and useless data, draw the implicit influencing factor determining load in the data, determine the real Changing Pattern of load, thus improve the accurate of generation load plan and order of accuarcy.
5. in data warehouse, set up the quick indexing between heat load and generation load, thus quick and precisely cogeneration power plant's generation load plan.
The present invention is based on above design, there is provided a kind of scientific and reasonable, practical, cogeneration power plant's generation load ways to draw up the plan under the accurately and accurately electricity determining by heat operational mode of generation load plan can be improved, and provide rational in infrastructure, cogeneration power plant's generation load plan device under the electricity determining by heat operational mode that automaticity is high.
One of the technical solution used in the present invention is: cogeneration power plant's generation load plan device under a kind of electricity determining by heat operational mode, it is characterized in that, it comprises generating set and is electrically connected with generating set DCS, and generating set DCS is electrically connected with the USB interface of heat load with electric loading collecting computer; Anemometer, temperature humidity measuring instrument, heating network monitoring computer are electrically connected with data acquisition board respectively, and data acquisition board is electrically connected with the USB interface of heat load with electric loading collecting computer; Heat load is electrically connected with historical data computer with electric loading collecting computer; Historical data computer is electrically connected with the network interface RJ45 of electricity determining by heat cogeneration power plant generation load plan computer; Weather bureau's weather forecast computer is electrically connected with the network interface RJ45 of electricity determining by heat cogeneration power plant generation load plan computer;
Described heat load is electrically connected with data processing software, data warehouse, display successively with the USB interface of electric loading collecting computer.
Network interface RJ45, the data warehouse of described electricity determining by heat cogeneration power plant generation load plan computer are all electrically connected with data mining software, and data mining software is electrically connected with load prediction software, and load prediction software is electrically connected with display.
Two of the technical solution used in the present invention is: under a kind of electricity determining by heat operational mode, cogeneration power plant's generation load ways to draw up the plan comprises, and it is characterized in that, it comprises the following steps:
(1) data acquisition: by generating set load, Stream temperature degree, main vapour pressure, the heat supply amount of drawing gas, condensing water temperature, heating demand, weather temperature, weather humidity, weather wind speed, week, festivals or holidays relevant parameter Real-time Collection enter heat load and electric loading collecting computer;
(2) data extracted are carried out arranging, revise, clean, are removed bad data, ensure that data are effective;
(3) load prediction data is extracted: according to temperature, humidity, the wind speed of weather bureau's data of weather forecast, and will formulate cogeneration power plant's generation load date week, festivals or holidays data in historical data computer, retrieve heat load and electric loading data formulate generation schedule, and data are stored in the data warehouse of electricity determining by heat cogeneration power plant generation load plan computer, then form the generation load load plan curve corresponding with the time;
(4) according to actual performance data, the data be stored in the data warehouse of electricity determining by heat cogeneration power plant generation load plan computer are revised.
Under electricity determining by heat operational mode of the present invention, cogeneration power plant's generation load ways to draw up the plan, scientific and reasonable, practical, can improve the accurate of generation load plan and accuracy; Under electricity determining by heat operational mode, cogeneration power plant's generation load plan apparatus structure is reasonable, automaticity is high, the automatic formulation of cogeneration power plant's generation load plan under electricity determining by heat can be realized, ensure the reliable of heat plant generation load plan, provide heat plant generation load Plan Curve scientifically and rationally.
Accompanying drawing explanation
Fig. 1 is the structural representation of cogeneration power plant's generation load plan device under a kind of electricity determining by heat operational mode.
Embodiment
The invention will be further described to utilize embodiment shown in the drawings below.
With reference to Fig. 1, under a kind of electricity determining by heat operational mode of the present invention, cogeneration power plant's generation load plan device, comprises generating set 1 and is electrically connected with generating set DCS 5, and generating set DCS 5 is electrically connected with the USB interface 8 of electric loading collecting computer 7 with heat load; Anemometer 2, temperature humidity measuring instrument 3, heating network monitoring computer 4 are electrically connected with data acquisition board 6 respectively, and data acquisition board 6 is electrically connected with the USB interface 8 of electric loading collecting computer 7 with heat load; Heat load is electrically connected with historical data computer 13 with electric loading collecting computer 7; Historical data computer 13 is electrically connected with the network interface RJ45 16 of electricity determining by heat cogeneration power plant generation load plan computer 15; Weather bureau's weather forecast computer 14 is electrically connected with the network interface RJ45 16 of electricity determining by heat cogeneration power plant generation load plan computer 15.Described heat load is electrically connected with data processing software 10, data warehouse 11, display 12 successively with the USB interface 8 of electric loading collecting computer 7.Network interface RJ45 16, the data warehouse 17 of described electricity determining by heat cogeneration power plant generation load plan computer 15 are all electrically connected with data mining software 18, data mining software 18 is electrically connected with load prediction software 19, and load prediction software 19 is electrically connected with display 20.
Anemometer, temperature humidity measuring instrument, computer are commercially available prod.Anemometer adopts the precious magnificent AVM-05 anemometer in Taiwan, and temperature humidity measuring instrument adopts U.S. fluke Fluke971/F971 temperature humidity measuring instrument, and data acquisition unit adopts IMP3595 data acquisition system; Data warehouse adopts the PI real-time dataBase system of OSI company of the U.S..
The present invention's data processing software used according to automatic control technology and microcomputer data processing establishment, be those skilled in the art the technology be familiar with.
Under a kind of electricity determining by heat operational mode of the present invention, cogeneration power plant's generation load ways to draw up the plan comprises, and comprises the following steps:
(1) data acquisition: by generating set load, Stream temperature degree, main vapour pressure, the heat supply amount of drawing gas, condensing water temperature, heating demand, weather temperature, weather humidity, weather wind speed, week, festivals or holidays relevant parameter Real-time Collection stored in table 1 base data table, then enter heat load and electric loading collecting computer;
Table 1 basic data
| Sequence number | Project | Numerical value | Time (Hour Minute Second ） |
| 1 | Generating set load | ||
| 2 | Stream temperature degree | ||
| 3 | Main vapour pressure | ||
| 4 | The heat supply amount of drawing gas | ||
| 5 | Condensing water temperature | ||
| 6 | Heating demand | ||
| 7 | Weather temperature | ||
| 8 | Weather humidity | ||
| 9 | Weather wind speed | ||
| 10 | Week | ||
| 11 | Festivals or holidays |
(2) data extracted are carried out arranging, revise, clean, are removed bad data, ensure that data are effective;
(3) load prediction data is extracted: according to temperature, humidity, the wind speed of weather bureau's data of weather forecast, and will formulate cogeneration power plant's generation load date week, festivals or holidays data in historical data computer, retrieve heat load and electric loading data formulate generation schedule, and data are stored in the data warehouse of electricity determining by heat cogeneration power plant generation load plan computer, then form the generation load load plan curve corresponding with the time;
(4) according to actual performance data, the data be stored in the data warehouse of electricity determining by heat cogeneration power plant generation load plan computer are revised.
Claims (4)
1. cogeneration power plant's generation load plan device under electricity determining by heat operational mode, it is characterized in that, it comprises generating set and is electrically connected with generating set DCS, and generating set DCS is electrically connected with the USB interface of heat load with electric loading collecting computer; Anemometer, temperature humidity measuring instrument, heating network monitoring computer are electrically connected with data acquisition board respectively, and data acquisition board is electrically connected with the USB interface of heat load with electric loading collecting computer; Heat load is electrically connected with historical data computer with electric loading collecting computer; Historical data computer is electrically connected with the network interface RJ45 of electricity determining by heat cogeneration power plant generation load plan computer, and weather bureau's weather forecast computer is electrically connected with the network interface RJ45 of electricity determining by heat cogeneration power plant generation load plan computer.
2., according to cogeneration power plant's generation load plan device under claim 1 electricity determining by heat operational mode, it is characterized in that, described heat load is electrically connected with data processing software, data warehouse, display successively with the USB interface of electric loading collecting computer.
3. according to cogeneration power plant's generation load plan device under claim 1 electricity determining by heat operational mode, it is characterized in that, network interface RJ45, the data warehouse of described electricity determining by heat cogeneration power plant generation load plan computer are all electrically connected with data mining software, data mining software is electrically connected with load prediction software, and load prediction software is electrically connected with display.
4. under an electricity determining by heat operational mode, cogeneration power plant's generation load ways to draw up the plan comprises, and it is characterized in that, it comprises the following steps:
(1) data acquisition: by generating set load, Stream temperature degree, main vapour pressure, the heat supply amount of drawing gas, condensing water temperature, heating demand, weather temperature, weather humidity, weather wind speed, week, festivals or holidays relevant parameter Real-time Collection enter heat load and electric loading collecting computer;
(2) data extracted are carried out arranging, revise, clean, are removed bad data, ensure that data are effective;
(3) load prediction data is extracted: according to temperature, humidity, the wind speed of weather bureau's data of weather forecast, and will formulate cogeneration power plant's generation load date week, festivals or holidays data in historical data computer, retrieve heat load and electric loading data formulate generation schedule, and data are stored in the data warehouse of electricity determining by heat cogeneration power plant generation load plan computer, then form the generation load load plan curve corresponding with the time;
(4) according to actual performance data, the data be stored in the data warehouse of electricity determining by heat cogeneration power plant generation load plan computer are revised.
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| CN201410760077.9A CN104505824A (en) | 2014-12-12 | 2014-12-12 | Method and device for making electricity-generating load plan of thermal power plant under running mode of ordering power by heat |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950720A (en) * | 2015-06-16 | 2015-09-30 | 天津大学 | Energy supply system combining demand response and comfort feedback on basis of weather forecast |
| CN106374535A (en) * | 2016-06-24 | 2017-02-01 | 华电龙口发电股份有限公司 | Control method for cogeneration power generation quantity of cogeneration unit |
| CN106845663A (en) * | 2015-12-07 | 2017-06-13 | 中国电力科学研究院 | A kind of method that heat load prediction is carried out based on numerical weather forecast |
| CN109660423A (en) * | 2018-12-06 | 2019-04-19 | 南京邮电大学 | Application system load predicting method, readable storage medium storing program for executing and terminal |
| CN109828539A (en) * | 2019-01-30 | 2019-05-31 | 浙江中易慧能科技有限公司 | A kind of big data based on PDCA system is for heat energy control platform system |
| CN110490385A (en) * | 2019-08-22 | 2019-11-22 | 广东电网有限责任公司 | The unified prediction of electric load and thermic load in a kind of integrated energy system |
| CN116914747A (en) * | 2023-09-06 | 2023-10-20 | 国网山西省电力公司营销服务中心 | Power consumer side load prediction method and system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950720A (en) * | 2015-06-16 | 2015-09-30 | 天津大学 | Energy supply system combining demand response and comfort feedback on basis of weather forecast |
| CN104950720B (en) * | 2015-06-16 | 2018-07-20 | 天津大学 | The energy supplying system for being combined demand response and comfort level feedback based on weather forecast |
| CN106845663A (en) * | 2015-12-07 | 2017-06-13 | 中国电力科学研究院 | A kind of method that heat load prediction is carried out based on numerical weather forecast |
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| CN106374535B (en) * | 2016-06-24 | 2019-03-15 | 华电龙口发电股份有限公司 | The control method of thermoelectricity unit cogeneration of heat and power generated energy |
| CN109660423A (en) * | 2018-12-06 | 2019-04-19 | 南京邮电大学 | Application system load predicting method, readable storage medium storing program for executing and terminal |
| CN109828539A (en) * | 2019-01-30 | 2019-05-31 | 浙江中易慧能科技有限公司 | A kind of big data based on PDCA system is for heat energy control platform system |
| CN110490385A (en) * | 2019-08-22 | 2019-11-22 | 广东电网有限责任公司 | The unified prediction of electric load and thermic load in a kind of integrated energy system |
| CN116914747A (en) * | 2023-09-06 | 2023-10-20 | 国网山西省电力公司营销服务中心 | Power consumer side load prediction method and system |
| CN116914747B (en) * | 2023-09-06 | 2024-01-12 | 国网山西省电力公司营销服务中心 | Power consumer side load prediction method and system |
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Application publication date: 20150408 |