CN111275360A - Power generation load examination system - Google Patents
Power generation load examination system Download PDFInfo
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- CN111275360A CN111275360A CN202010141793.4A CN202010141793A CN111275360A CN 111275360 A CN111275360 A CN 111275360A CN 202010141793 A CN202010141793 A CN 202010141793A CN 111275360 A CN111275360 A CN 111275360A
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- 238000010248 power generation Methods 0.000 title claims abstract description 29
- 238000004364 calculation method Methods 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 4
- 238000010977 unit operation Methods 0.000 claims description 2
- 238000007619 statistical method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000000262 chemical ionisation mass spectrometry Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
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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 discloses a power generation load assessment system which comprises a long-value workstation and a server connected with the long-value workstation through a network, wherein the server is connected with an MIS system and a provincial dispatching interface machine through the network, the system automatically tracks the running data information of each unit, automatically receives the provincial dispatching plan value issued by dispatching, obtains an issued curve, namely a power generation plan curve and a running curve, performs multi-curve paralleling, and displays and compares the power generation plan curve with a plurality of curves, so that an operator can conveniently monitor and dispatch comprehensively. The statistical methods of voltage examination, AGC operation statistics, phase-in operation statistics, frequency modulation statistics and load examination statistics follow issued examination rules, and the system timely forms various examination results to assist operation managers to make corresponding decisions. The system can refine the assessment statistics to groups, can compare the operation conditions of each group, and promotes the operation personnel to improve the operation management level. Such data can be viewed in time by management through the corporate MIS network.
Description
Technical Field
The invention belongs to the technical field of power generation assessment management, and particularly relates to a power generation load assessment system.
Background
In a power plant, a load assessment system is an important management system, and the existing electric field assessment management generally performs data assessment on each long-term workstation respectively and then performs comparative analysis with assessment rules. And the value is long originally only can check the daily generation plan value (288 points) issued by provincial dispatching through a dispatching website computer special for the value-long workstation, the comparison between the operation curve and the issued curve cannot be realized, and the evaluation result is displayed by the curve and the table. And the mode that each value length workstation carries out data examination respectively does not have functions such as voltage examination, AGC operation statistics, progressive operation statistics, frequency modulation statistics, examination statistics according to teams and groups, and the like, so that the information of each value length workstation is inconvenient to be intensively counted, and managers are inconvenient to check various data at any time.
Disclosure of Invention
The invention aims to: the power plant load assessment system solves the problems that the existing power plant load assessment system can only check provincial dispatching plan values through a dispatching website computer special for long-value workstations, each long-value workstation carries out data assessment, an operation curve and an issued curve are inconvenient to compare, functions of assessment statistics, centralized statistics and the like for information of each long-value workstation are not available, and managers cannot conveniently check various types of data at any time, and provides the power generation load assessment system.
The technical scheme adopted by the invention is as follows:
a power generation load assessment system comprises a value length workstation and a server connected with the value length workstation through a network, wherein the server is also connected with an MIS system and a provincial dispatching interface machine through the network, a provincial dispatching plan value is transmitted to the provincial dispatching interface machine, the value length workstation collects information data of a unit and transmits the information data to the server, the assessment rules are automatically downloaded from provincial dispatching planning values through a provincial dispatching interface machine and input to the server, the server carries out voltage assessment data calculation, AGC operation data statistics, phase-advancing operation data statistics and frequency modulation data statistics according to the collected data and the assessment rules according to groups, and obtaining an operation curve and an issuing curve, sending the calculated and counted data, the operation curve and the issuing curve to the long-distance workstation, carrying out issuing set operation adjustment instructions by the long-distance workstation according to the received data, and checking the server data by managers through the MIS network.
Further, as described above, in the power generation load assessment system, the server displays real-time or historical statistical and assessment data information in a curve or table form.
Further, according to the power generation load assessment system, the server automatically downloads assessment data and statistical data at regular time and sends the assessment data and the statistical data to the value length workstation.
Further, as mentioned above, the power generation load assessment system is characterized in that a network security isolation device is arranged on a network connected with the server, the network security isolation device is connected with a front interface machine, and the front interface machine is connected with a serial port.
Furthermore, according to the power generation load assessment system, modification of user authority, system parameters and electric quantity data in the system can only be completed by specified special personnel, the server performs running registration, and meanwhile the system provides a recovery means for modification operation.
Further, as described above, the power generation load assessment system performs voltage assessment data calculation, AGC operation data statistics, phase advance operation data statistics, and frequency modulation data statistics on the basis of analysis and statistics from the angles of year, quarter, month, shift on duty, different values, and different units, respectively.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the system automatically tracks the running data information of each unit, automatically receives the provincial dispatching plan value issued by dispatching, obtains an issued curve, namely a power generation plan curve, also obtains a running curve, performs multi-curve paralleling, displays the power generation plan curve and a plurality of curves on the same picture, and is convenient for operators to monitor and dispatch comprehensively. The statistical methods of voltage examination, AGC operation statistics, phase-in operation statistics, frequency modulation statistics and load examination statistics follow issued examination rules, and the system can form various examination result reports in time to assist operation managers to make corresponding decisions. The load assessment system can refine assessment statistics to groups, can compare the operation conditions of each group, and promotes operators to improve the operation management level. The manager can check the data through the MIS network of the company, and the data is convenient and timely.
2. In the invention, a user can access the system through a browser network, can see the latest electric energy information statistical condition of the system from the system, and can retrieve the historical statistical information of the electric energy through the data record of the server, thereby being more convenient to use.
3. In the invention, the system is based on a B/S and C/S mixed mode, a general user accesses the system through a web, the installation is completely avoided, and the display speed of browsing data (including curves and tables) is high.
4. In the invention, the system network is provided with the network safety isolation device which is connected with the front interface machine, thereby providing various safety measures, preventing illegal invasion and ensuring the system safety in multiple levels. The serial port system has capacity expansion and application function expansion capabilities, can be reliably networked with systems such as SCADA, CIMS, GIS, DNS and EMS and share data, and meets the development requirements of the power market.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a system diagram of a power generation load assessment system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples and the accompanying drawings.
A power generation load assessment system comprises a value length workstation and a server connected with the value length workstation through a network, wherein the server is also connected with an MIS system and a provincial dispatching interface machine through the network, a provincial dispatching plan value is transmitted to the provincial dispatching interface machine, the value length workstation collects information data of a unit and transmits the information data to the server, the assessment rules are automatically downloaded from provincial dispatching planning values through a provincial dispatching interface machine and input to the server, the server carries out voltage assessment data calculation, AGC operation data statistics, phase-advancing operation data statistics and frequency modulation data statistics according to the collected data and the assessment rules according to groups, and obtaining an operation curve and an issuing curve, sending the calculated and counted data, the operation curve and the issuing curve to the long-distance workstation, carrying out issuing set operation adjustment instructions by the long-distance workstation according to the received data, and checking the server data by managers through the MIS network.
Further, in particular embodiments, the server displays real-time or historical statistical and assessment data information in a graph or table format.
Further, in a specific embodiment, the server automatically downloads the assessment data and the statistics data at regular time and sends the assessment data and the statistics data to the length-of-value workstation.
Further, in a specific embodiment, in order to enhance the security performance, a network security isolation device is arranged on a network to which the server is connected, the network security isolation device is connected with a front interface machine, and the front interface machine is connected with a serial port. The serial port system has capacity expansion and application function expansion capabilities, can be reliably networked with systems such as SCADA, CIMS, GIS, DNS and EMS and share data, and meets the development requirements of the power market.
Further, in the specific implementation mode, in order to enhance the safety performance, the modification of the user authority, the system parameters and the electric quantity data in the system is completed by specified special personnel, the server performs pipelining registration, and meanwhile, the system provides a recovery means for the modification operation.
Further, in the specific implementation manner, the system performs voltage assessment data calculation, AGC operation data statistics, phase advance operation data statistics and frequency modulation data statistics, and the analysis statistics can be performed from the angles of year, quarter, month, shift on duty, different values and different units respectively.
In a specific implementation mode, the system accurately acquires information values of active power, reactive power, electric quantity, voltage, start-stop time, AGC (automatic gain control) on-off time, provincial dispatching prediction, planned load values and the like of the unit. The assessment rules are synchronous with the provincial dispatching, the predicted values and the planned values are automatically downloaded from the provincial dispatching in time and input into the system, and real-time or historical statistics and assessment information is displayed in the form of curves, tables and the like. The real-time assessment curves (prediction, plan, performance, + 3%, -3% curves) include: real-time load, real-time electric quantity, daily check, monthly check, annual check and the like.
The system can accurately calculate the actual power generation amount according to the acquisition frequency, and automatically calculate the unqualified points, the excess power generation amount, the insufficient power generation amount and the like according to the assessment rules such as 'assessment method of power grid unitedly-tuned power generation enterprises'. The system further comprises: the calculation of AGC switching-in and switching-off time statistics, the calculation of generator set switching-in and switching-off time statistics, the calculation of primary frequency modulation statistics, the calculation of entry operation statistics and the like.
Providing a comprehensive analysis function, and carrying out analysis statistics from the angles of year, quarter, month, shift on duty, different values and different units; analysis of various characteristic data: a pre-sending load curve, an actual sending load curve, an AGC load instruction curve and a power grid frequency curve; and (4) counting the running records: summarizing and counting the actions of the unit, AGC and primary frequency modulation; and summarizing power generation assessment: daily check statistics (288 points check and electric quantity check), monthly check summary (checking the electric quantity deviation and the unqualified point by time period), value check list (checking the unqualified point and the electric quantity deviation by value), value check summary (counting the unqualified point and the electric quantity deviation by time period for each value), AGC operation summary, primary frequency modulation operation summary, unit operation summary and disturbance list.
The system automatically receives the dispatching and issuing curve after being improved, the actual operation curve is compared with the issuing curve, the curve and the table are used for displaying the checking result, the system has the functions of voltage checking, AGC operation statistics, phase-in operation statistics and frequency modulation statistics, checking statistics is carried out according to groups, and operators can comprehensively know the generating operation state of the unit in real time through a length-of-service machine, so that the operation adjusting instruction of the unit can be reasonably and rapidly issued. Such data is viewable by administrators through the corporate MIS network.
A user can access the system through a browser, can see the latest electric quantity statistical condition of the system from the system, and can retrieve historical statistical information of the electric energy. The pre-sending curve and the modifying curve are automatically downloaded at regular time, the curve and the table are used for displaying the examination result, and the examination result comprises voltage examination, AGC operation statistics, phase-in operation statistics and primary frequency modulation statistics, and is examined and counted according to groups (five-value three-group). The automatic tracking system has the functions of automatically tracking the primary frequency modulation and AGC performance of each unit.
The system is completely based on a browser/server mode, the server side is installed, and the client side does not need to install any special software. The system is based on a B/S and C/S mixed mode. General users access the system through the web, so that the installation is completely avoided, the display speed of browsing data (including curves and tables) is high, and the browsing data can be automatically refreshed at regular time; the system provides various safety measures, prevents illegal invasion and ensures the safety of the system in multiple levels. User authority, system parameters, electric quantity data modification and the like can only be completed by special personnel, and the system performs running registration, and provides a recovery means of the operations. The system guarantees the principle of meeting the consistency requirement of electric quantity data standard points and the uniqueness of measuring point data.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A power generation load assessment system comprises a value length workstation and a server connected with the value length workstation in a network mode, and is characterized in that: the server is also connected with the MIS system and the provincial dispatching interface machine through a network, the provincial dispatching plan value is transmitted to the provincial dispatching interface machine, the long-range workstation collects information data of the unit and transmits the information data to the server, the provincial dispatching interface machine automatically downloads the assessment rules from the provincial dispatching plan value and inputs the assessment rules into the server, the server calculates voltage assessment data, calculates AGC operation data, counts phase-advancing operation data and counts frequency modulation data according to the collected data and the assessment rules and obtains an operation curve and a distribution curve, the calculated and counted data, the operation curve and the distribution curve are transmitted to the long-range workstation, the long-range workstation distributes unit operation adjustment instructions according to the received data, and managers check the server data through the MIS network.
2. A power generation load assessment system according to claim 1, wherein: the server displays real-time or historical statistical and assessment data information in a curve or table form.
3. A power generation load assessment system according to claim 1 or 2, wherein: and the server automatically downloads the assessment data and the statistical data at regular time and sends the assessment data and the statistical data to the length-of-value workstation.
4. A power generation load assessment system according to claim 1, wherein: and a network safety isolation device is arranged on a network connected with the server, the network safety isolation device is connected with a front interface machine, and the front interface machine is connected with a serial port.
5. A power generation load assessment system according to claim 1, wherein: the modification of the user authority, the system parameters and the electric quantity data in the system can be completed only by appointed special personnel, the server performs running registration, and meanwhile, the system provides a recovery means for modification operation.
6. A power generation load assessment system according to claim 1, wherein: the voltage assessment data calculation, AGC operation data statistics, phase-in operation data statistics and frequency modulation data statistics are respectively analyzed and counted from the angles of year, quarter, month, shift on duty, different values and different units.
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| CN202010141793.4A CN111275360A (en) | 2020-03-04 | 2020-03-04 | Power generation load examination system |
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| CN202010141793.4A CN111275360A (en) | 2020-03-04 | 2020-03-04 | Power generation load examination system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112001555A (en) * | 2020-08-26 | 2020-11-27 | 广州兆和电力技术有限公司 | Method, device, system and medium for power generation plan examination of power plant |
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| CN105186506A (en) * | 2015-09-29 | 2015-12-23 | 中国电力科学研究院 | Regional power grid real-time scheduling plan adjustment method |
| CN106447180A (en) * | 2016-09-14 | 2017-02-22 | 国网上海市电力公司 | Green index evaluation method for urban thermal power generating unit |
| CN107565579A (en) * | 2017-08-24 | 2018-01-09 | 国网辽宁省电力有限公司电力科学研究院 | It is a kind of to improve the horizontal multi-source collaboration managing and control system of reactive power/voltage control and method |
| CN109523180A (en) * | 2018-11-27 | 2019-03-26 | 国投北部湾发电有限公司 | A kind of thermal power plant's coal consumption and heat supply online monitoring system |
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2020
- 2020-03-04 CN CN202010141793.4A patent/CN111275360A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186506A (en) * | 2015-09-29 | 2015-12-23 | 中国电力科学研究院 | Regional power grid real-time scheduling plan adjustment method |
| CN106447180A (en) * | 2016-09-14 | 2017-02-22 | 国网上海市电力公司 | Green index evaluation method for urban thermal power generating unit |
| CN107565579A (en) * | 2017-08-24 | 2018-01-09 | 国网辽宁省电力有限公司电力科学研究院 | It is a kind of to improve the horizontal multi-source collaboration managing and control system of reactive power/voltage control and method |
| CN109523180A (en) * | 2018-11-27 | 2019-03-26 | 国投北部湾发电有限公司 | A kind of thermal power plant's coal consumption and heat supply online monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112001555A (en) * | 2020-08-26 | 2020-11-27 | 广州兆和电力技术有限公司 | Method, device, system and medium for power generation plan examination of power plant |
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