CN102545212B - Electrical energy quality centralized monitoring and auxiliary management decision support system - Google Patents
Electrical energy quality centralized monitoring and auxiliary management decision support system Download PDFInfo
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Abstract
The invention provides an electrical energy quality centralized monitoring and auxiliary management decision support system, which comprises a data layer, a site layer and an application layer, wherein the data layer and the site layer perform signal transmission mutually, and the application layer performs the signal transmission with the data layer. The electrical energy quality centralized monitoring and auxiliary management decision support system adopts targeted management measures and technical measures; by the system, the electrical energy quality management and the planning, design and construction and transform of an electric distribution network are fully operated, and power service level and power service quality are effectively improved.
Description
Technical field
The invention belongs to power system management field, be specifically related to a kind of energy quality centralized monitoring and auxiliary management decision support system.
Background technology
Existing in distribution network planning, design, construction and production maintenance, adopt multiple technologies and management means to solve power quality problem, technical main employing on-load voltage regulation main transformer, circuit voltage regulator, all kinds of reactive power compensator, harmonic treating apparatus etc.; In management, the main voltage power-less of strengthening is managed, establishes and improve voltage monitoring network, is improved custom power quality complaint workflow management etc.These measures are mostly that the application of employing single-point and experience management are main, solved to a certain extent part power quality problem, but because automation, the level of informatization of low and medium voltage distribution network are compared on the low side with high-voltage transmission network, the main approach such as personal monitoring, periodical inspection and customer complaint that rely on are grasped quality of power supply situation, cannot guarantee promptness and accuracy that electric energy governing problem is controlled.
The monitoring and governance of the quality of power supply is a systemic engineering, although some areas have the voltage monitoring instrument of wireless upload function by configuration, Harmonic Detecting Devices etc. carry out special electric energy quality monitoring, but because the equipment dropping into is many, need special monitoring and communication equipment, cause system in isolated and part monitor state, organically do not integrate existing automation in regional distribution network, relevant electric energy monitoring data and information in monitoring or acquisition system, cannot realize and analyzing and coordination control Power Quality in Regional Power Grid is comprehensive, form the auxiliary management decision-making support of the quality of power supply, do not reach the object to the collaborative monitoring of the regional distribution network quality of power supply and decision support.
Summary of the invention
For overcoming above-mentioned defect, the invention provides a kind of energy quality centralized monitoring and auxiliary management decision support system, take control measures and technical measures targetedly, implement in full power quality controlling and distribution network planning, design and construction transformation, effectively improve electrical power services level and service quality.
For achieving the above object, the invention provides a kind of energy quality centralized monitoring and auxiliary management decision support system, it comprises: mutually carry out data Layer and the field layer of signal transmission, its improvements are, described system comprises: the application layer of carrying out signal transmission with described data Layer.
In optimal technical scheme provided by the invention, described application layer comprises electric energy quality monitoring unit, power quality analysis unit, power quality controlling unit and the aid decision support unit being set up in parallel.
In the second optimal technical scheme provided by the invention, automated system 1, automated system 2, detection system 1, detection system 2 and information acquisition system that described data Layer comprises uniform data collecting unit and is set up in parallel; Described automated system 1, described automated system 2, described detection system 1, described detection system 2 and described information acquisition system intercom mutually with described uniform data collecting unit respectively; Described uniform data collecting unit receives the control command of described application layer and transmits data to described application layer.
In the 3rd optimal technical scheme provided by the invention, described field layer comprises the low and medium voltage distribution network power quality monitoring device being set up in parallel and the quality monitoring device of electrical energy being connected with described uniform data collecting unit; Described low and medium voltage distribution network power quality monitoring device carries out data-signal with described automated system 1, described automated system 2, described detection system 1, described detection system 2 and described information acquisition system respectively and communicates by letter.
In the 4th optimal technical scheme provided by the invention, described low and medium voltage distribution network power quality monitoring device comprises transformer station, medium-voltage line, power distribution station and the low-voltage customer connecting successively.
In the 5th optimal technical scheme provided by the invention, described uniform data collecting unit comprises real-time data base and the historical data base being set up in parallel; Described uniform data collecting unit by the data upload receiving to described real-time data base and described historical data base.
In the 6th optimal technical scheme provided by the invention, described quality monitoring device of electrical energy comprises voltage monitoring system, user power utilization information unit, original centralized meter-reading system, original negative control system, dispatch automated system, distribution automation system and other supervisory control systems setting gradually; Described voltage monitoring system, described user power utilization information unit, described original centralized meter-reading system, described original negative control system, described dispatch automated system, described distribution automation system and described other supervisory control systems are connected with described uniform data collecting unit by communication interface respectively.
In the 7th optimal technical scheme provided by the invention, described electric energy quality monitoring comprises comprehensive Real-Time Monitoring module, voltage monitoring module, current monitoring module, power monitoring module, power-factor monitoring module, three-phase imbalance monitoring modular and the frequency monitoring module being set up in parallel.
In the 8th optimal technical scheme provided by the invention, described power quality analysis unit comprises the harmonious mode piece of rate of qualified voltage module, three-phase load degree of unbalance module, power factor specification module being set up in parallel.
In the 9th optimal technical scheme provided by the invention, described quality of voltage governance unit comprises in-circuit emulation module, voltage abatement modules and the standard queries module being set up in parallel.
In the tenth optimal technical scheme provided by the invention, the electric network composition that described aid decision is supported unit to comprise and is set up in parallel is optimized module, optimization distribution of equipment module and regulate and control operation module.
Compared with the prior art, a kind of energy quality centralized monitoring provided by the invention and auxiliary management decision support system, communication based on current advanced person and automatic technology application, realize electric energy quality monitoring and control to every aspects such as region transformer station, medium-voltage line, power distribution station, low-voltage customers; By to the unify Design of Communication Interface of monitoring device of relevant existing or newly-built Department of Automation, give full play to the function of automated system, monitoring device and power quality controlling equipment; On the basis gathering in uniform data, the in real time relevant and historical data of the quality of power supply is implemented to the degree of depth to be excavated and analyzes, according to auxiliary management decision support function, take control measures and technical measures targetedly, implement in full power quality controlling and distribution network planning, design and construction transformation, effectively improve electrical power services level and service quality; And system adopts advanced collection and communication framework, especially the architecture that panorama monitors and analyzes, there is complete basic data, utilize complete transparent data to converge bus, reach the transregional of data between related system and converge, for total system angle and accurate improvement provide complete basic data; Standardization unified Modeling, based on CIM/CIS standard, full distribution network uniform data modeling, unified naming rule also complete global network analysis based on forming unified complete model, for administering and decision-making provides the support of system electric network model; Moreover, there is opening, based on this system platform can extension the various novel application of intelligent grid in the future; Adaptability intelligent decision storehouse, open decision support storehouse design, possesses the fixedly structuring capacity of analytical model and artificial intelligence model, can form unified analysis and the personalized combination of analyzing, and is conducive to tackle Adaptability Analysis occasion; Realizing decision-making and improvement combines, is not only single improvement, has strengthened Analysis of Policy Making support function, for execution and the checking of decision-making provides platform, effectively promotes the management of Power Quality in Regional Power Grid and decision-making capability and efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric energy quality monitoring and auxiliary management decision support system.
Fig. 2 is field layer structural representation.
Fig. 3 is electric energy quality monitoring data transfer logic schematic diagram.
Embodiment
As shown in Figure 1, electric energy quality monitoring is contained field layer, data Layer, three levels of application layer with auxiliary management decision support system functions framework, and field layer mainly comprises transformer station, medium-voltage line, power distribution station, low-voltage customer and other quality of power supply monitoring and governance equipment of being correlated with; Data Layer mainly refers to by dispatching automation, the monitoring of distribution automation ,Tai district, user power utilization information gathering or centralized meter-reading system and quality of power supply relative monitor system etc. and carries out uniform data collection; Application layer is based on uniform data collection, realizes electric energy quality monitoring, power quality analysis, power quality controlling and aid decision and supports contour level application function.
Native system mainly comprises 4 senior applied function modules: electric energy quality monitoring mainly has the functions such as comprehensive Real-Time Monitoring, voltage monitoring, current monitoring, power monitoring, power-factor monitoring, three-phase imbalance monitoring, frequency monitoring; Power quality analysis have rate of qualified voltage, three-phase load degree of unbalance, power factor specification, harmonic wave philosophy according to time the function of statistic analysis such as every other day, the moon, year and transformer station, circuit ,Tai district; Quality of voltage improvement has the functions such as in-circuit emulation, voltage improvement and standard queries; Aid decision support has the functions such as electric network composition optimization, optimization distribution of equipment and regulate and control operation.
As shown in Figure 2, electric energy quality monitoring and auxiliary management decision support system cover four levels, i.e. substation level, medium-voltage line layer, power distribution station layer and low-voltage customer layer to the monitoring of distribution network electric energy quality.The control point of substation level mainly contains RTU (remote-terminal unit), VQC (voltage power-less control unit) etc.; Medium-voltage line layer mainly comprises FTU (feeder terminal unit), DTU (data transmission terminal) and other power quality controllings or monitoring device etc.; Power distribution station layer mainly comprises reactive power compensator, TTU (distribution transformer monitoring terminal), intelligent distribution transformer terminals etc.; Low-voltage customer layer comprises intelligent electric meter, equipment for monitoring power quality (voltage monitoring instrument) etc.
As shown in Figure 3, electric energy quality monitoring data by the uniform data acquisition module of electric energy quality monitoring and auxiliary management decision support system by communication interface from quality of power supply relative monitor system, as voltage monitoring system, user power utilization information gathering, original acquisition system, original negative control system, dispatch automated system, distribution automation system or other newly-built monitoring systems etc. extract quality of power supply related data, be uploaded to real-time and historical data base, be applied to the power quality analysis of plateform system, voltage is administered and aid decision is supported module, application module also can be consulted and carried out descending control command according to analysis decision result by delivering to related system, and the confirmation instruction that control is completed is returned.
Embodiment:
Can adopt in county power supply enterprise and dispose electric energy quality monitoring and auxiliary management decision support system, at former machine room or newly-built machine room, dispose this system acquisition front end processor, application server, database server and maintenance work station.County power supply enterprise, the terminal uses at different levels of power supply station can be by functions such as C/S, two kinds of patterns realizations of B/S operate and browse.County power supply enterprise can be by newly-built intelligent power distribution platform district, specially become user, public change and the system such as subordinate's user power utilization information and existing dispatch automated system, electrical power distribution automatization system, centralized meter-reading system, voltage monitoring system, by communication interface, realize data pick-up and upload, form electric energy quality monitoring and auxiliary management decision support system in real time or historical data base, meet senior application functions such as county the power supply enterprise quality of power supply enforcement monitoring, analysis decision and controls.
Need statement, content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as limiting the scope of the present invention.Those skilled in the art inspired by the spirit and principles of the present invention, can do various modifications, be equal to and replace or improve.But in the protection range that these changes or modification are all awaited the reply in application.
Claims (10)
1. energy quality centralized monitoring and an auxiliary management decision support system, it comprises: mutually carry out data Layer and the field layer of signal transmission, it is characterized in that, described system comprises: the application layer of carrying out signal transmission with described data Layer; Automated system 1, automated system 2, detection system 1, detection system 2 and information acquisition system that described data Layer comprises uniform data collecting unit and is set up in parallel; Described automated system 1, described automated system 2, described detection system 1, described detection system 2 and described information acquisition system intercom mutually with described uniform data collecting unit respectively; Described uniform data collecting unit receives the control command of described application layer and transmits data to described application layer.
2. system according to claim 1, is characterized in that, described application layer comprises electric energy quality monitoring unit, power quality analysis unit, power quality controlling unit and the aid decision support unit being set up in parallel.
3. system according to claim 1, is characterized in that, described field layer comprises the low and medium voltage distribution network power quality monitoring device being set up in parallel and the quality monitoring device of electrical energy being connected with described uniform data collecting unit; Described low and medium voltage distribution network power quality monitoring device carries out data-signal with described automated system 1, described automated system 2, described detection system 1, described detection system 2 and described information acquisition system respectively and communicates by letter.
4. system according to claim 3, is characterized in that, described low and medium voltage distribution network power quality monitoring device comprises transformer station, medium-voltage line, power distribution station and the low-voltage customer connecting successively.
5. system according to claim 1, is characterized in that, described uniform data collecting unit comprises real-time data base and the historical data base being set up in parallel; Described uniform data collecting unit by the data upload receiving to described real-time data base and described historical data base.
6. system according to claim 3, it is characterized in that, described quality monitoring device of electrical energy comprises voltage monitoring system, user power utilization information unit, original centralized meter-reading system, original negative control system, dispatch automated system, distribution automation system and other supervisory control systems setting gradually; Described voltage monitoring system, described user power utilization information unit, described original centralized meter-reading system, described original negative control system, described dispatch automated system, described distribution automation system and described other supervisory control systems are connected with described uniform data collecting unit by communication interface respectively.
7. system according to claim 2, it is characterized in that, described electric energy quality monitoring unit comprises comprehensive Real-Time Monitoring module, voltage monitoring module, current monitoring module, power monitoring module, power-factor monitoring module, three-phase imbalance monitoring modular and the frequency monitoring module being set up in parallel.
8. system according to claim 2, is characterized in that, described power quality analysis unit comprises the harmonious mode piece of rate of qualified voltage module, three-phase load degree of unbalance module, power factor specification module being set up in parallel.
9. system according to claim 2, is characterized in that, described power quality controlling unit comprises in-circuit emulation module, voltage abatement modules and the standard queries module being set up in parallel.
10. system according to claim 2, is characterized in that, the electric network composition that described aid decision is supported unit to comprise and is set up in parallel is optimized module, optimization distribution of equipment module and regulate and control operation module.
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| CN102901899B (en) * | 2012-10-23 | 2014-12-10 | 江苏省电力公司扬州供电公司 | Electric energy quality monitoring and analysis system in power distribution automatic system |
| CN103138399B (en) * | 2013-02-06 | 2015-06-17 | 上虞市电力公司 | Power quality wireless monitoring system and monitoring method thereof |
| CN103208856A (en) * | 2013-03-19 | 2013-07-17 | 江苏中凌高科技有限公司 | Flexible configured power quality monitoring and management integrated device |
| CN103390249B (en) * | 2013-07-01 | 2016-03-30 | 国家电网公司 | Based on the distribution scheduling aid decision method of various dimensions |
| CN103400205B (en) * | 2013-07-30 | 2017-12-12 | 国家电网公司 | A kind of power distribution network energy efficiency management system and method for coordinating control based on idle work optimization |
| CN103986227B (en) * | 2014-05-04 | 2016-02-24 | 国家电网公司 | A kind of monitoring method for running of the power matching network based on GIS platform and system |
| CN104218588A (en) * | 2014-08-14 | 2014-12-17 | 广东电网公司电力科学研究院 | Supply voltage intelligent analysis and assistant decision-making method for power distribution networks |
| CN104239059B (en) * | 2014-09-19 | 2018-05-29 | 国家电网公司 | Intelligence based on full model matches somebody with somebody the construction method of electricity consumption unified information support platform |
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| CN105678416B (en) * | 2016-01-05 | 2021-06-29 | 中国电力科学研究院 | Intelligent decision-making system for construction and transformation of power distribution station |
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