CN109301935B - Monitoring method and system for power quality operation decision support - Google Patents
Monitoring method and system for power quality operation decision support Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 104
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H02J13/0075—
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/16—Electric power substations
Abstract
The invention discloses a monitoring method for electric energy quality operation decision support, which specifically comprises the following steps: s1, firstly, the electric energy operation decision-making system remotely controls a voltage monitoring module, a harmonic wave monitoring module and a power monitoring module in the electric energy operation quality monitoring system to respectively detect the voltage, harmonic wave and power compensation conditions on the power substation line in real time, and transmits detected data information to a data wireless communication processing system for processing, relating to the technical field of electric power operation. The monitoring method and the system for power quality operation decision support can avoid the situation that an analysis system is blocked or the response is slow, realize the multi-channel classification pre-fault processing of data information transmitted by multiple stations, and then carry out power scheduling processing on the whole power network, achieve the purpose of ensuring the timeliness and the accuracy of controlling the power management problem, and shorten the time of fault and scheduling processing.
Description
Technical Field
The invention relates to the technical field of power operation, in particular to a monitoring method and a monitoring system for power quality operation decision support.
Background
In a power system in China, power quality monitoring is always local monitoring or monitoring in a small area, fault information discretization and islanding phenomena exist, if large-area monitoring is needed, a large amount of monitoring and analyzing equipment is inevitably needed, huge equipment and labor cost are increased, maintenance work of the equipment is increased, unnecessary problems are generated, and a plurality of fussy intermediate links are increased.
The electric energy quality monitoring and governing level is a core index of green operation of a power grid, the electric energy quality monitoring has the defects of high deployment cost, information isolated island, low-grade secondary data development means and the like for a long time, the monitoring and analysis are completely dependent on a device localization solution, a big data mining application mechanism and a wide-area power grid systematic decision support system are lacked, most of the existing methods directly analyze and process multi-site data in one analysis system when monitoring information of a plurality of power distribution sites is transmitted to a central power site for fault diagnosis and decision analysis, however, the situation that the analysis system is stuck or reflects slowly often occurs, the purposes of carrying out multichannel classification pre-fault processing on data information transmitted by the multiple sites and then carrying out power scheduling processing on the whole power network cannot be achieved, and the purposes of ensuring the timeliness and the accuracy of electric energy governing problems cannot be achieved, under the condition of reducing the processing load of an analysis system, the time for fault and scheduling processing cannot be shortened, the purposes of comprehensively analyzing and coordinately controlling the power quality of the regional power grid and forming power quality auxiliary management decision support cannot be achieved, and therefore collaborative monitoring and decision support for the power quality of the regional power distribution network cannot be achieved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a monitoring method and a monitoring system for power quality operation decision support, which solve the problems that the situation that an analysis system is stuck or the response is slow often occurs, the multi-channel classification pre-fault processing can not be realized by firstly carrying out multi-channel classification on data information transmitted by a plurality of stations, and then the power scheduling processing is carried out on the whole power network, the purpose of ensuring the timeliness and the accuracy of the control on the power management problem can not be achieved, and the fault and scheduling processing time can not be shortened under the condition of reducing the processing load of the analysis system.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a monitoring method for electric energy quality operation decision support specifically comprises the following steps:
s1, firstly, the electric energy operation decision system remotely controls a voltage monitoring module, a harmonic wave monitoring module and a power monitoring module in the electric energy operation quality monitoring system to respectively detect the voltage, harmonic wave and power compensation conditions on the power substation line in real time, and transmits the detected data information to the data wireless communication processing system for processing;
s2, a power station GPS positioning module in the data wireless communication processing system can position and lock the position of a corresponding power station, a power station ranging analysis module can automatically calculate the distance between the power station and a main power center station, and a power station information processing module can integrate and package data information detected by the station and carry the data information wirelessly for wireless transmission;
s3, after the data transmitted in the wireless mode in the S2 reach the main power central station, the data channel classification unit can perform multi-channel classification on the data transmitted by different power stations according to the positions of the stations, so that the data enter a plurality of data classification channels, and then the electric energy operation decision-making system can control the preprocessing units corresponding to the classification channels in the classification preprocessing units to perform one-to-one corresponding analysis processing;
s4, the preprocessing unit in S3 identifies multiple simple faults according to a fault type comparison program preset by people and stored in an intelligent big database, if the faults are identified, the classification preprocessing unit directly transmits fault information to the electric energy operation decision-making system, and the electric energy operation decision-making system controls the fault warning module to give an alarm prompt so as to facilitate power monitoring personnel to process the faults in time;
s5, the classification preprocessing unit can transmit detected multi-channel data information to the electric energy analysis control system, a multi-channel data integration module in the electric energy analysis control system can integrate the received data information of the multi-channel stations, then the multi-channel data analysis module can compare and analyze the integrated data information, and then the electric energy scheduling decision processing module can schedule and process the electric energy transmission condition of the corresponding electric power station;
s6, the electric energy operation decision-making system controls the system safety monitoring module to perform safety detection on the whole electric energy operation and maintenance monitoring system, if the system is detected to be out of order, the fault warning module gives an alarm, and meanwhile, the electric power monitoring personnel can visually check data information transmitted by the whole electric energy monitoring system through the display unit, so that the monitoring method supported by the electric energy quality operation decision-making and the whole working process of the system are completed.
The invention also discloses a monitoring system for supporting the power quality operation decision, which comprises a power operation decision system, wherein the power operation decision system is in bidirectional connection with the power analysis control system, the power analysis control system comprises a multi-channel data integration module, a multi-channel data analysis module and a power scheduling decision processing module, the output end of the multi-channel data integration module is connected with the input end of the multi-channel data analysis module, and the output end of the multi-channel data analysis module is connected with the input end of the power scheduling decision processing module.
Preferably, the electric energy operation decision system is respectively in bidirectional connection with the data channel classification unit and the classification preprocessing unit, the data channel classification unit is composed of N classification channels, the classification preprocessing unit is composed of N preprocessing units, the N preprocessing units are in bidirectional connection with the N classification channels, and the classification preprocessing unit is in bidirectional connection with the intelligent large database.
Preferably, the electric energy operation decision system is respectively in bidirectional connection with the electric energy operation quality monitoring system, the data wireless communication processing system, the system safety monitoring module and the fault warning module, and the electric energy operation quality monitoring system comprises a voltage monitoring module, a harmonic wave monitoring module and a power monitoring module.
Preferably, the data wireless communication processing system comprises a power station GPS positioning module, a power station ranging analysis module and a power station information processing module, wherein an output end of the power station GPS positioning module is connected with an input end of the power station ranging analysis module, and an output end of the power station ranging analysis module is connected with an input end of the power station information processing module.
Preferably, the output end of the electric energy operation decision system is connected with the input end of the display unit.
(III) advantageous effects
The invention provides a monitoring method and a system for power quality operation decision support. Compared with the prior art, the method has the following beneficial effects:
(1) the monitoring method and the system for the power quality operation decision support realize bidirectional connection between a power operation decision system and a power analysis control system, the power analysis control system comprises a multi-channel data integration module, a multi-channel data analysis module and a power scheduling decision processing module, and the situation that the analysis system is stuck or slowly reflected can be avoided by respectively matching and arranging a data channel classification unit, a classification preprocessing unit, a classification channel, a preprocessing unit, an intelligent big database, a data wireless communication processing system, a power station GPS positioning module, a power station ranging analysis module, a power station information processing module and a fault warning module, so that multi-channel classification fault processing of data information transmitted by multiple stations is realized, and then power scheduling processing is carried out on the whole power network, the method achieves the purpose of ensuring the timeliness and the accuracy of the control on the electric energy management problem, shortens the time of fault and scheduling processing under the condition of reducing the processing load of an analysis system, achieves the purposes of comprehensively analyzing and coordinately controlling the electric energy quality of the regional power grid and forming electric energy quality auxiliary management decision support, and further achieves the purposes of cooperatively monitoring and decision support on the electric energy quality of the regional power distribution network.
(2) According to the monitoring method and system for the power quality operation decision support, the power operation quality monitoring system comprises the voltage monitoring module, the harmonic wave monitoring module and the power monitoring module, so that the voltage, harmonic wave and power compensation conditions on the power substation line can be detected in real time, and detected data information is transmitted into the data wireless communication processing system for processing.
(3) According to the monitoring method and system for electric energy quality operation decision support, the electric energy operation decision system and the system safety monitoring module are connected in a bidirectional mode, safety detection of the whole electric energy operation and maintenance monitoring system can be achieved, if the system is detected to be in fault, the fault warning module can give an alarm, and data information transmitted by the whole electric energy monitoring system can be visually checked by connecting the output end of the electric energy operation decision system and the input end of the display unit.
Drawings
FIG. 1 is a schematic block diagram of the architecture of the system of the present invention;
FIG. 2 is a schematic block diagram of the structure of the power analysis control system of the present invention;
FIG. 3 is a block diagram of a data wireless communication processing system according to the present invention;
fig. 4 is a schematic block diagram of the electric energy operation quality monitoring system according to the present invention.
In the figure, 1 electric energy operation decision-making system, 2 electric energy analysis control system, 21 multi-channel data integration module, 22 multi-channel data analysis module, 23 electric energy scheduling decision-making processing module, 3 data channel classification unit, 4 classification preprocessing unit, 7 intelligent big database, 8 electric energy operation quality monitoring system, 81 voltage monitoring module, 82 harmonic wave monitoring module, 83 power monitoring module, 9 data wireless communication processing system, 91 electric power station GPS positioning module, 92 electric power station ranging analysis module, 93 electric power station information processing module, 10 system safety monitoring module, 11 fault warning module and 12 display unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a monitoring method for electric energy quality operation decision support specifically comprises the following steps:
s1, firstly, the electric energy operation decision system 1 remotely controls a voltage monitoring module 81, a harmonic wave monitoring module 82 and a power monitoring module 83 in the electric energy operation quality monitoring system 8 to respectively detect the voltage, harmonic wave and power compensation conditions on the power substation line in real time, and transmits detected data information to the data wireless communication processing system 9 for processing;
s2, the power station GPS positioning module 91 in the data wireless communication processing system 9 can position and lock the position of the corresponding power station, and the power station ranging analysis module 92 can automatically calculate the distance from the power station to the main power center, and at the same time, the power station information processing module 93 integrates and packages the data information detected by the station and wirelessly carries the data information for wireless transmission;
s3, after the data transmitted in the wireless mode in the S2 reach the main power central station, the data channel classification unit 3 performs multi-channel classification on the data transmitted by different power stations according to the positions of the stations, so that the data enter a plurality of data classification channels, and then the electric energy operation decision system 1 controls the preprocessing units corresponding to the classification channels in the classification preprocessing unit 4 to perform one-to-one corresponding analysis processing;
s4, the preprocessing unit in S3 carries out multiple simple fault identification according to a preset fault type comparison program stored in the intelligent big database 7, if a fault is identified, the classification preprocessing unit 4 directly transmits fault information to the electric energy operation decision system 1, and the electric energy operation decision system 1 controls the fault warning module 11 to give an alarm for prompting so as to facilitate electric power monitoring personnel to process the fault in time;
s5, the simultaneous classification preprocessing unit 4 may transmit the detected multi-channel data information to the electric energy analysis control system 2, the multi-channel data integration module 21 in the electric energy analysis control system 2 integrates the received data information of the multi-channel sites, the multi-channel data analysis module 22 performs comparative analysis on the integrated data information, and then the electric energy scheduling decision processing module 23 performs scheduling processing on the electric energy transmission condition of the corresponding electric power site;
s6, the electric energy operation decision system 1 controls the system safety monitoring module 10 to perform safety detection on the whole electric energy operation and maintenance monitoring system, if the system is detected to have a fault, the fault warning module 11 gives an alarm, and meanwhile, the electric power monitoring personnel can visually check data information transmitted by the whole electric energy monitoring system through the display unit 12, so that the monitoring method supported by the electric energy quality operation decision and the whole working process of the system are completed.
The invention also discloses a monitoring system for electric energy quality operation decision support, which comprises an electric energy operation decision system 1 and is characterized in that: the electric energy operation decision system 1 is in bidirectional connection with the electric energy analysis control system 2, the electric energy analysis control system 2 comprises a multi-channel data integration module 21, a multi-channel data analysis module 22 and an electric energy scheduling decision processing module 23, the output end of the multi-channel data integration module 21 is connected with the input end of the multi-channel data analysis module 22, and the output end of the multi-channel data analysis module 22 is connected with the input end of the electric energy scheduling decision processing module 23.
In the invention, an electric energy operation decision system 1 is respectively in bidirectional connection with a data channel classification unit 3 and a classification preprocessing unit 4, the data channel classification unit 3 is composed of N classification channels, the classification preprocessing unit 4 is composed of N preprocessing units, the N preprocessing units are in bidirectional connection with the N classification channels, and the classification preprocessing unit 4 is in bidirectional connection with an intelligent big database 7.
In the invention, the electric energy operation decision system 1 is respectively connected with the electric energy operation quality monitoring system 8, the data wireless communication processing system 9, the system safety monitoring module 10 and the fault warning module 11 in a bidirectional way, and the electric energy operation quality monitoring system 8 comprises a voltage monitoring module 81, a harmonic wave monitoring module 82 and a power monitoring module 83.
In the present invention, the data wireless communication processing system 9 includes a power station GPS positioning module 91, a power station ranging analysis module 92, and a power station information processing module 93, wherein an output end of the power station GPS positioning module 91 is connected to an input end of the power station ranging analysis module 92, and an output end of the power station ranging analysis module 92 is connected to an input end of the power station information processing module 93.
In the present invention, the output terminal of the electric energy operation decision system 1 is connected to the input terminal of the display unit 12.
According to the invention, through the online monitoring of the power quality, the problem that a large amount of equipment and labor cost is required to be invested in order to expand a monitoring area in a traditional mode is solved, and a large amount of unnecessary intermediate links are reduced for monitoring the power quality, such as reducing the redundant workload of equipment construction, maintenance, overhaul and the like. By monitoring the power grid quality in this way, a large amount of maintenance cost and manual maintenance cost of the power quality monitoring equipment can be reduced every year, and the method is a high-speed and effective means for saving cost, protecting environment and solving problems.
The system adopts the most advanced and skillful cloud service and big data technology at present, combines multiple and hierarchical information pushing modes, makes up the short board with insufficient coverage rate of the existing information-based network at minimum cost, establishes a multi-level region-crossing integrated information management platform, can push the electric energy quality information in place at the first time, timely receives electric energy quality early warning and quickly disposes the electric energy quality early warning, quickly starts accident emergency response, furthest exerts management functions, reduces power failure loss, and timely solves problems
It is noted that, herein, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A monitoring method for power quality operation decision support is characterized in that: the method specifically comprises the following steps:
s1, firstly, a voltage monitoring module (81), a harmonic wave monitoring module (82) and a power monitoring module (83) in an electric energy operation quality monitoring system (8) are remotely controlled by an electric energy operation decision-making system (1) to respectively carry out real-time detection on voltage, harmonic wave and power compensation conditions on a power substation line, and detected data information is transmitted to a data wireless communication processing system (9) to be processed;
s2, a power station GPS positioning module (91) in the data wireless communication processing system (9) can position and lock the position of a corresponding power station, a power station ranging analysis module (92) can automatically calculate the distance between the power station and a main power center station, and a power station information processing module (93) can integrate and package data information detected by the station and carry the data information wirelessly for wireless transmission;
s3, after the data transmitted in the wireless mode in the S2 reach the main power central station, the data channel classification unit (3) classifies the data transmitted by different power stations in a multi-channel mode according to the positions of the stations, so that the data enter a plurality of data classification channels, and then the electric energy operation decision system (1) controls the preprocessing units corresponding to the classification channels in the classification preprocessing unit (4) to perform one-to-one corresponding analysis processing;
s4, the preprocessing unit in S3 carries out multiple simple fault identification according to a fault type comparison program preset by people and stored in the intelligent big database (7), if a fault is identified, the classification preprocessing unit (4) directly transmits fault information to the electric energy operation decision system (1), and the electric energy operation decision system (1) controls the fault warning module (11) to give an alarm for prompting so as to facilitate the electric power monitoring personnel to process the fault in time;
s5, the classification preprocessing unit (4) can transmit detected multi-channel data information to the electric energy analysis control system (2), a multi-channel data integration module (21) in the electric energy analysis control system (2) integrates the received data information of the multi-channel stations, then a multi-channel data analysis module (22) compares and analyzes the integrated data information, and then the electric energy scheduling decision processing module (23) schedules the electric energy transmission condition of the corresponding electric power station;
s6, the electric energy operation decision system (1) controls the system safety monitoring module (10) to perform safety detection on the whole electric energy operation and maintenance monitoring system, if the system is detected to have a fault, the fault warning module (11) gives an alarm, and meanwhile, the electric power monitoring personnel can visually check data information transmitted by the whole electric energy monitoring system through the display unit (12), so that the monitoring method supported by the electric energy quality operation decision and the whole working process of the system are completed.
2. A monitoring system of a monitoring method of power quality operation decision support according to claim 1, comprising a power operation decision system (1), characterized by: the electric energy operation decision-making system (1) is in bidirectional connection with the electric energy analysis control system (2), the electric energy analysis control system (2) comprises a multi-channel data integration module (21), a multi-channel data analysis module (22) and an electric energy scheduling decision-making processing module (23), the output end of the multi-channel data integration module (21) is connected with the input end of the multi-channel data analysis module (22), and the output end of the multi-channel data analysis module (22) is connected with the input end of the electric energy scheduling decision-making processing module (23).
3. The monitoring system of claim 2, wherein: the electric energy operation decision-making system (1) is respectively in two-way connection with the data channel classification unit (3) and the classification preprocessing unit (4), the data channel classification unit (3) is composed of N classification channels, the classification preprocessing unit (4) is composed of N preprocessing units, the N preprocessing units are in two-way connection with the N classification channels, and the classification preprocessing unit (4) is in two-way connection with the intelligent big database (7).
4. The monitoring system of claim 2, wherein: the electric energy operation decision-making system (1) is respectively in bidirectional connection with the electric energy operation quality monitoring system (8), the data wireless communication processing system (9), the system safety monitoring module (10) and the fault warning module (11), and the electric energy operation quality monitoring system (8) comprises a voltage monitoring module (81), a harmonic wave monitoring module (82) and a power monitoring module (83).
5. The monitoring system of claim 4, wherein: the data wireless communication processing system (9) comprises a power station GPS positioning module (91), a power station ranging analysis module (92) and a power station information processing module (93), wherein the output end of the power station GPS positioning module (91) is connected with the input end of the power station ranging analysis module (92), and the output end of the power station ranging analysis module (92) is connected with the input end of the power station information processing module (93).
6. The monitoring system of claim 2, wherein: the output end of the electric energy operation decision system (1) is connected with the input end of the display unit (12).
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| CN111948978A (en) * | 2019-05-17 | 2020-11-17 | 湖北欧安电气股份有限公司 | Data acquisition and monitoring system based on numerical control machine tool |
| CN110807602B (en) * | 2019-11-12 | 2023-10-17 | 黑龙江电力调度实业有限公司 | Power dispatching system fault detection method based on big data |
| CN111416866B (en) * | 2020-03-25 | 2022-05-31 | 上海电力大学 | Data communication method for power Internet of things |
| CN113740641A (en) * | 2021-08-20 | 2021-12-03 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Park electric energy quality analysis system and control method |
| CN113793014A (en) * | 2021-09-07 | 2021-12-14 | 浙江中新电力工程建设有限公司 | Energy consumption monitoring and evaluation analysis system and method based on carbon peak |
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