CN102435868A - Power quality monitoring system - Google Patents
Power quality monitoring system Download PDFInfo
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- CN102435868A CN102435868A CN2010102954853A CN201010295485A CN102435868A CN 102435868 A CN102435868 A CN 102435868A CN 2010102954853 A CN2010102954853 A CN 2010102954853A CN 201010295485 A CN201010295485 A CN 201010295485A CN 102435868 A CN102435868 A CN 102435868A
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Abstract
The invention discloses a power quality monitoring system, which comprises a hardware platform unit, an operating system unit, a system foundation unit and a universal development unit, wherein the hardware platform unit comprises a monitoring terminal and a client side which are connected to a monitoring master station by a communicator; the monitoring master station comprises a communication front-end processor, an application server and a WEB server; the communication front-end processor is used for carrying out real-time data packing on data of each terminal and initiatively transmitting the packed data onto the application server, and waveform data is directly transferred into a PDQIF file to be stored in the front-end processor and is used for being called when the application server carries out query analysis. The power quality monitoring system disclosed by the invention has multiple functions, can fully utilize resources of the system, and has high system stability.
Description
Technical field
The present invention relates to electric power quality monitoring field, specifically, is a kind of electric energy quality monitoring system.
Background technology
Electric energy quality monitoring system generally is made up of monitoring terminal, communication system, monitoring main website and client; Be used to gather and show the data of all monitoring points; The whole power quality indexs that can monitor; Provide the browsing of the whole network power quality data, statistics, analyzed and integrate, for Operation of Electric Systems, supervision, administrative authority and other relevant units provide the user capture function.Present electric energy quality monitoring system function is simpler, and all there is the deficiency of existence aspects such as the bag of drawing at WEB function, vector graphics.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, provide a kind of function many, can make full use of the electric energy quality monitoring system of the resource of system.
The objective of the invention is to realize through following technical scheme:
A kind of electric energy quality monitoring system; Comprise hardware platform unit, operating system unit, system-based unit and general development block; Said hardware platform unit comprises monitoring terminal and the client that is connected to the monitoring main website by communicator; Said monitoring main website comprises prepositive communication computer, application server and WEB server, and said prepositive communication computer is each terminal data real time data packing, gives application server on initiatively together; Wave data is converted into the PDQIF file is kept at front end processor, call when supply is analyzed with server lookup.
Said system-based unit is the open middleware platform that unified running environment and resource management can be provided for the application that is distributed in each node of network.
Said general development block utilization object oriented programming model carries out modeling.
Said general development block comprises the bag of drawing, and this drawing bag has the automatic locating module in terminal.
Said application server comprises ITIC tracing analysis module, CBEMA tracing analysis module, SEMI tracing analysis module and SARFI indicator analysis module.
Said WEB data server has encapsulated application computing functional module.
The power quality index of said monitoring main website statistics comprises voltage dip, voltage swells, three transient state indexs of voltage interruption.
Compared to prior art, the advantage of the disclosed technical scheme of the present invention is: the compatible PQDIF form of native system, system promptly can interconnect with all monitoring equipment terminals on the market, fully realizes information sharing and exchanges.Said WEB data server has encapsulated application computing functional module, has alleviated the burden of client like this, conveniently carries out thin client's design, has both reduced development workload, can make full use of the resource of system again, increases the dirigibility of system.Open middleware platform can provide unified running environment and resource management for the application that is distributed in each node of network; Be easy to safeguard and use; Application developer no longer is concerned about use computing machine bottom details such as how to communicate by letter between which kind of operating system, network, energy is absorbed in the research of using algorithm and the control of applied logic.Each stage at system, analysis, design, coding is all used OO modeling technique, has improved the stability of system.
Description of drawings
Fig. 1 is the structural representation of electric energy quality monitoring system of the present invention.
Fig. 2 is the structural representation of the hardware platform unit of electric energy quality monitoring system of the present invention.
Label in the accompanying drawing is respectively: 1, hardware platform unit, 10, electric energy quality monitoring system, 11, monitoring terminal, 12, client, 13, the monitoring main website, 2, the operating system unit, 3, the system-based unit, 4, general development block.
Embodiment
Fig. 1 and Fig. 2 show the electric energy quality monitoring system of one embodiment of the invention.With reference to Fig. 1, the electric energy quality monitoring system 10 of one embodiment of the invention comprises hardware platform unit 1, operating system unit 2, system-based unit 3 and general development block 4.With reference to Fig. 2; Said hardware platform unit 1 comprises the monitoring terminal 11 and client 12 that is connected to monitoring main website 13 by communicator; Said monitoring main website comprises prepositive communication computer, application server and WEB server, and said prepositive communication computer is each terminal data real time data packing, gives application server on initiatively together; Wave data is converted into the PDQIF file is kept at front end processor, call when supply is analyzed with server lookup.System so both alleviated the front end processor processing pressure, saved a large amount of storage spaces again, even still can normally move when main station failure is perhaps safeguarded.
The hardware platform unit mainly is made up of server, workstation etc.The operating system unit provides the operating system of system's operation, can be Windows NT, CE, LINUX etc.The system-based unit refers to the system-based bottom architecture, mainly refers to network distributed data interface, real-time library information interface, and the access interface of relational database is formed with the bottom hardware IO interface.General development block refers to system's universal developing platform layer, mainly refers to the database configuration instrument, graphic configuration instrument, stipulations development platform, WEB distribution platform, form secondary configuration etc.Monitor main website 13 mainly by prepositive communication computer, database server, formations such as application server, (local, strange land) management work station, Web server.Monitoring center is provided with a database server; With communicating by letter of every type of monitoring terminal a prepositive communication computer is set; Each one of application server and management work station is set, a Web publishing server is set, the disk array and the network switch are set; Special-purpose power quality analysis software is installed, is accomplished the operational management function of main website.
Said system-based unit is the open middleware platform that unified running environment and resource management can be provided for the application that is distributed in each node of network.Native system makes full use of the WEB technology and on the basis of general platform, sets up the WEB platform, can real-time information be browsed like this, tracing analysis, form, remote maintenance concentrate and consider, formed the complete web solution of a cover.The Web platform is based on a real-time data base server and a historical database server; The unified data access interface is provided, all Web clients comprise that real time data is browsed, history curve analysis, form and remote maintenance all pass through a unified interface accessing system historical data and real time data.This open middleware platform adopts the exploitation and the operation platform of Object-oriented Technique, Open Distributed, can the middleware interface support be provided for other Electric Application system.
Said general development block utilization object oriented programming model carries out modeling.The present invention adopts Object-oriented Technique fully comprehensively; Each stage at system, analysis, design, coding is all used OO modeling technique; Regard system as co-operating object, these all belong to certain type to liking the encapsulation of structure and behavior; Those classes have certain hierarchical setting, and all functions of system obtain through mutual transmission information between the object.
In an embodiment of the present invention, said application server comprises ITIC tracing analysis module, CBEMA tracing analysis module, SEMI tracing analysis module and SARFI indicator analysis module.Native system calculates the transient power quality index, and the tracing analysis function that comprises ITIC tracing analysis, CBEMA tracing analysis, SEMI tracing analysis, SARFI index analysis etc. is provided.The ITIC curve is to form according to the immunity to interference level of information industry equipment such as computing machine to transient power quality (mainly be electric voltage dropping, rising, interrupt in short-term), comprises indexs such as tolerance district, the harmless bad block of equipment, exclusion area.The CBEMA curve is from the voltage tolerant curve of mainframe computer to the requirement proposition of the quality of power supply, causes computing machine and control device malfunction and damage to prevent voltage disturbance.The CBEMA standard has mainly been stipulated voltage levvl and tolerance time thereof, and the duration of the abscissa axis display voltage fluctuation of CBEMA curve, unit is a millisecond, the percentage of axis of ordinates display voltage fluctuation, and the upper and lower bound of voltage all has corresponding standard.The characteristic quantity that the SEMI curve characterizes electric voltage dropping is mainly effective value skew and electric voltage dropping duration, and the regulation semi-conductor processing equipment is that allowable voltage between 0.05 second to 0.2 second, 0.2 second to 0.5 second is that 70%, 0.5 second to 1.0 seconds allowable voltage of nominal value is 80% nominal voltage value when voltage is 50% nominal value to the tolerance time that falls in voltage wink in SEMI F47-0200.Monitoring and statistics for voltage dip; Can adopt system voltage mean effective value rate of change SARFIX index analysis; Through to by all users of evaluating system sometime the section in continue to monitor; Add up the number of times of the voltage dip that each node experiences, thereby draw the frequency that voltage effective value is lower than threshold value x.To the difference of duration, to moment, temporary transient, short time voltage falls temporarily SIARFIX is arranged, SMARFIX, STARFIX index respectively.
In one embodiment of this invention, the electric energy quality monitoring main station system can provide following pattern analysis function according to the time range of any setting: fundamental voltage, fundamental current trend curve; The voltage deviation trend curve; Voltage, electric current resultant distortion rate curve of secular trend; Voltage, electric current each harmonic curve of secular trend; Voltage, electric current each harmonic spectrum curve; Long-term flickering value (Plt), short-term flickering value (Pst) trend curve; Voltage tri-phase unbalance factor trend curve; Electric current tri-phase unbalance factor trend curve; The power trend curve; The mains frequency trend curve; The waveform of transient power quality phenomenons such as voltage swells/rapid drawdown, interruption in short-term shows; ITIC tracing analysis, SEMI tracing analysis; The Regional Distribution pattern analysis of SARFI index.
In another embodiment of the present invention, said WEB data server has encapsulated application computing functional module, so conveniently carries out thin client's design, has both reduced development workload, can make full use of the resource of system again, increases the dirigibility of system.
In further embodiment of this invention, said general development block comprises the bag of drawing, and this drawing bag has the automatic locating module in terminal.In native system, draw bag except possessing original intelligent drawing, custom technology, artwork integrated technique, also possess the GIS automatic positioning function.When system carries out in the historical events record queries process; When finding the designated terminal information data; Figure can be located this location information of terminals automatically, and can on figure, mark with eye-catching mode, and the user is more simple and clear to total system quality of power supply operation information like this.
In other embodiment of the present invention; The power quality index of the monitoring of electric energy quality monitoring main station system, record and counting statistics comprises five stable state power quality indexs of voltage deviation, frequency departure, harmonic wave, voltage fluctuation and flickering, tri-phase unbalance factor of GB regulation, also comprises three transient state indexs such as " voltage dip, voltage swells, voltage interruption " that GB is not stipulated temporarily.The content of these three transient state indicator-specific statistics is transient voltage figure-of-merit curve, the SARFI indicator-specific statistics in the stipulated time section, takes place after the trigger event, and event information uploads to main website, and main website determines whether to collect shape information according to event information.
The part that communicator of the present invention is used for data transmission comprises with the monitoring terminal communication module, obtains data module and obtain data module from the real time data platform from load management system.The function that realizes with the monitoring terminal communication module comprises: by periodically regularly with according to instruction dual mode visit monitoring terminal power quality data, regularly call the Monitoring Data of monitoring terminal by true-to-shape, set up quality of power supply integrated data base; Regularly call statistics, according to main website instruction calling event data, real time data and historical measurement data; Support is with the electric energy quality monitoring data importing database of off-line; Have electric energy quality monitoring terminal supervision, maintenance function, can obtain the information that is provided with and the running status of electric energy quality monitoring terminal; Carry out and report to the police and the announcement management, under the situation that the monitoring terminal fault takes place, produce alerting signal and advertised information, and handle accordingly.The function of obtaining the data module realization from load management system comprises: obtain the Monitoring Data of multifunctional electric decompression timer from the load management system center, and with the data importing database.The function of obtaining the data module realization from the real time data platform comprises: according to the interface specification of real time data platform, set up the interface of electric energy quality monitoring management system and real time data platform; Obtain the Monitoring Data of load instrument for measuring and recording from the real time data platform, and with the data importing database.
The part that communicator of the present invention is used for data processing comprises data reasonalbeness check and processing module, parameter data module, conventional power quality index evaluation module and transient power quality evaluation module.Said data reasonalbeness check and processing module judge for the monitoring terminal data that collect judgment mode comprises whether data are complete, whether the scope of data value is suitable, whether data are reasonable, can identify bad data.The parameter data module is for unreasonable data, can manual work intervenes and revises; Data are added up by corresponding mode, obtain the quality of power supply statistical indicator of different time interval, different content; Data are calculated, obtained achievement datas such as SARFI index.The assessment of five power quality indexs such as the voltage deviation of conventional power quality index evaluation module assessment GB regulation, frequency departure, imbalance of three-phase voltage degree, system harmonics, flickering; Whether be above standard limit value; And, analyze issuable influence to electrical network to the whole network comprehensive assessment of these indexs.The transient power quality evaluation module provides the eigenwert that voltage swells/rapid drawdown, short time voltage interrupt to add up, and the wave form analysis of three-phase voltage, three-phase current is provided, the probable cause analysis that provides incident to produce; Tracing analysiss such as ITIC tracing analysis, CBEMA tracing analysis, SEMI tracing analysis, SARFI index analysis are provided.
PDIF is a kind of data exchange standard forms of IEEE 1159 regulations, and its design object is exactly between Different software bag and equipment and instrument, to provide a kind of and method platform independence, is used for exchanging the data of the quality of power supply, to realize information sharing and to exchange.This form has enough dirigibilities and extensibility, is beneficial to various application and development and compatibility.The compatible PQDIF form of native system, system promptly can interconnect with all monitoring equipment terminals on the market, fully realizes information sharing and exchanges.
Said WEB data server has encapsulated application computing functional module, has alleviated the burden of client like this, conveniently carries out thin client's design, has both reduced development workload, can make full use of the resource of system again, increases the dirigibility of system.
Open middleware platform can provide unified running environment and resource management for the application that is distributed in each node of network.It has fully taken into account electric system opening, extensibility, portability, with the requirement of maintainability, reliability and security, a cover is easy to safeguard and uses, follows international standard; Application developer no longer is concerned about use computing machine bottom details such as how to communicate by letter between which kind of operating system, network, energy is absorbed in the research of using algorithm and the control of applied logic
Each stage at system, analysis, design, coding is all used OO modeling technique; Regard system as co-operating object; These all belong to certain type to liking the encapsulation of structure and behavior, and those classes have certain hierarchical setting; The all functions of system obtain through mutual transmission information between the object, have improved the stability of system.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the present invention's design; Can also make some improvement and retouching, these improvement and retouching also should be regarded as in protection scope of the present invention.
Claims (7)
1. an electric energy quality monitoring system comprises hardware platform unit, operating system unit, system-based unit and general development block, and said hardware platform unit comprises monitoring terminal and the client that is connected to the monitoring main website by communicator, it is characterized in that,
Said monitoring main website comprises prepositive communication computer, application server and WEB server; Said prepositive communication computer is with each terminal data real time data packing; Give application server in the active together; Wave data is converted into the PDQIF file is kept at front end processor, call when supply is analyzed with server lookup.
2. electric energy quality monitoring system according to claim 1 is characterized in that: said system-based unit is the open middleware platform that unified running environment and resource management can be provided for the application that is distributed in each node of network.
3. electric energy quality monitoring system according to claim 1 is characterized in that: said general development block utilization object oriented programming model carries out modeling.
4. according to claim 1 or 2 or 3 described electric energy quality monitoring systems, it is characterized in that: said general development block comprises the bag of drawing, and this drawing bag has the automatic locating module in terminal.
5. according to claim 1 or 2 or 3 described electric energy quality monitoring systems, it is characterized in that: said application server comprises ITIC tracing analysis module, CBEMA tracing analysis module, SEMI tracing analysis module and SARFI indicator analysis module.
6. according to claim 1 or 2 or 3 described electric energy quality monitoring systems, it is characterized in that: said WEB data server has encapsulated application computing functional module.
7. electric energy quality monitoring system according to claim 1 is characterized in that: the power quality index of said monitoring main website statistics comprises voltage dip, voltage swells, three transient state indexs of voltage interruption.
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| CN102680932A (en) * | 2012-05-10 | 2012-09-19 | 江苏省电力公司电力科学研究院 | Precision test device and method of electric energy quality monitor |
| CN102901899A (en) * | 2012-10-23 | 2013-01-30 | 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 |
| CN103023695A (en) * | 2012-11-28 | 2013-04-03 | 绍兴电力局 | Master station system monitoring model based on power dispatching automation |
| CN103414246A (en) * | 2013-06-07 | 2013-11-27 | 国家电网公司 | Power quality monitoring equipment remote monitoring method based on WebService standard interface |
| CN103472337A (en) * | 2013-09-17 | 2013-12-25 | 山西省电力公司晋城供电分公司 | Stationary type power quality on-line monitoring system based on optical fiber local area network |
| CN103487686A (en) * | 2013-09-17 | 2014-01-01 | 山西省电力公司晋城供电分公司 | Power quality wide area type data precision analysis platform |
| CN104318749A (en) * | 2014-10-20 | 2015-01-28 | 国网山西省电力公司晋城供电公司 | PQDIF standard-based net collecting system for electric network pollution data |
| CN104808163A (en) * | 2015-04-08 | 2015-07-29 | 国家电网公司 | Electric energy quality monitoring system performance detection method |
| CN105301416A (en) * | 2015-11-30 | 2016-02-03 | 曾正扬 | Electric energy quality monitoring device and monitoring method thereof |
| CN105717472A (en) * | 2014-12-03 | 2016-06-29 | 国家电网公司 | Electric energy quality monitoring terminal simulator |
| CN107607814A (en) * | 2017-09-11 | 2018-01-19 | 广东电网有限责任公司云浮供电局 | A kind of electric energy quality monitoring system and its monitoring method of distributed power source access |
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| CN111123005A (en) * | 2019-12-26 | 2020-05-08 | 深圳供电局有限公司 | Power quality monitoring system for outgoing line position of power distribution room user |
| CN113193653A (en) * | 2021-05-19 | 2021-07-30 | 国网新疆电力有限公司阿克苏供电公司 | MQTT protocol-based user-side power quality monitoring and analyzing system and using method |
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| CN102680932A (en) * | 2012-05-10 | 2012-09-19 | 江苏省电力公司电力科学研究院 | Precision test device and method of electric energy quality monitor |
| CN102901899A (en) * | 2012-10-23 | 2013-01-30 | 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 |
| CN103023695A (en) * | 2012-11-28 | 2013-04-03 | 绍兴电力局 | Master station system monitoring model based on power dispatching automation |
| CN103023695B (en) * | 2012-11-28 | 2015-04-15 | 绍兴电力局 | Master station system monitoring model based on power dispatching automation |
| CN103414246A (en) * | 2013-06-07 | 2013-11-27 | 国家电网公司 | Power quality monitoring equipment remote monitoring method based on WebService standard interface |
| CN103472337A (en) * | 2013-09-17 | 2013-12-25 | 山西省电力公司晋城供电分公司 | Stationary type power quality on-line monitoring system based on optical fiber local area network |
| CN103487686A (en) * | 2013-09-17 | 2014-01-01 | 山西省电力公司晋城供电分公司 | Power quality wide area type data precision analysis platform |
| CN104318749A (en) * | 2014-10-20 | 2015-01-28 | 国网山西省电力公司晋城供电公司 | PQDIF standard-based net collecting system for electric network pollution data |
| CN104318749B (en) * | 2014-10-20 | 2017-04-19 | 国网山西省电力公司晋城供电公司 | PQDIF standard-based net collecting system for electric network pollution data |
| CN105717472A (en) * | 2014-12-03 | 2016-06-29 | 国家电网公司 | Electric energy quality monitoring terminal simulator |
| CN104808163A (en) * | 2015-04-08 | 2015-07-29 | 国家电网公司 | Electric energy quality monitoring system performance detection method |
| CN105301416A (en) * | 2015-11-30 | 2016-02-03 | 曾正扬 | Electric energy quality monitoring device and monitoring method thereof |
| CN105301416B (en) * | 2015-11-30 | 2018-02-09 | 浙江万胜智能科技股份有限公司 | Equipment for monitoring power quality and its monitoring method |
| CN107607814A (en) * | 2017-09-11 | 2018-01-19 | 广东电网有限责任公司云浮供电局 | A kind of electric energy quality monitoring system and its monitoring method of distributed power source access |
| CN108805741A (en) * | 2018-04-23 | 2018-11-13 | 南方电网科学研究院有限责任公司 | A kind of fusion method of power quality data, apparatus and system |
| CN108805741B (en) * | 2018-04-23 | 2022-02-11 | 南方电网科学研究院有限责任公司 | Fusion method, device and system of power quality data |
| CN110794229A (en) * | 2018-07-06 | 2020-02-14 | 施耐德电气美国股份有限公司 | Replenishment techniques for characterizing power quality events in electrical systems |
| CN110794229B (en) * | 2018-07-06 | 2023-08-22 | 施耐德电气美国股份有限公司 | Complementary techniques for characterizing power quality events in electrical systems |
| US11870242B2 (en) | 2018-07-06 | 2024-01-09 | Schneider Electric USA, Inc. | Supplemental techniques for characterizing power quality events in an electrical system |
| CN111123005A (en) * | 2019-12-26 | 2020-05-08 | 深圳供电局有限公司 | Power quality monitoring system for outgoing line position of power distribution room user |
| CN113193653A (en) * | 2021-05-19 | 2021-07-30 | 国网新疆电力有限公司阿克苏供电公司 | MQTT protocol-based user-side power quality monitoring and analyzing system and using method |
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Application publication date: 20120502 |