CN103135019A - Power quality monitoring management system based on electric power wide-area network - Google Patents

Power quality monitoring management system based on electric power wide-area network Download PDF

Info

Publication number
CN103135019A
CN103135019A CN201310044252XA CN201310044252A CN103135019A CN 103135019 A CN103135019 A CN 103135019A CN 201310044252X A CN201310044252X A CN 201310044252XA CN 201310044252 A CN201310044252 A CN 201310044252A CN 103135019 A CN103135019 A CN 103135019A
Authority
CN
China
Prior art keywords
module
data
subsystem
power
energy quality
Prior art date
Application number
CN201310044252XA
Other languages
Chinese (zh)
Inventor
刘国海
王政
赵璐
沈跃
Original Assignee
江苏大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏大学 filed Critical 江苏大学
Priority to CN201310044252XA priority Critical patent/CN103135019A/en
Publication of CN103135019A publication Critical patent/CN103135019A/en

Links

Abstract

The invention provides a power quality monitoring management system based on an electric power wide-area network. The power quality monitoring management system is formed by a data acquisition subsystem, regional management subsystems and an electrical energy quality monitoring center subsystem. The data acquisition subsystem is used for processing voltage signals and current signals collected on site, storing the voltage signals and the current signals in a power quality data interchange format (PQDIF), and uploading the processed electrical energy quality data to the regional management subsystem in real time. Each regional management subsystem is used for being connected with the data acquisition subsystem and the electrical energy quality monitoring center subsystem, and summarizing and storing the real-time and historical data of electrical energy quality so as to achieve the function of application service. The electrical energy quality monitoring center subsystem contains all the functions of the regional management subsystems, is equivalent to a set of the regional management subsystems, is a comprehensive management mechanism of the whole system and is used for being in charge of a main network frame, monitoring electrical energy quality points and areas which are heavily polluted and carrying out summarization on the data uploaded by a local-area power grid so as to make comprehensive estimation to the electrical energy quality level of the whole power grid operation.

Description

A kind of electric energy quality monitoring management system based on electric power wide area

Technical field

The invention discloses a kind of electric energy quality monitoring management system based on electric power wide area, relate to the electric energy quality monitoring field.

Background technology

The monitoring of the quality of power supply and analysis are that electric system is administered and improved the precondition of its quality of power supply, comprehensive power quality analyzer or harmonic analysis instrument etc. are mostly adopted in the monitoring of the Present Domestic quality of power supply, are difficult to carry out the transmission of the synchro measure of the relevant electric energy in same electric power system different location and measurement data and collective analysis, assessment.Therefore, be necessary to set up long-range, concentrated monitoring and the analytic system of a cover quality of power supply, the indexs such as the wave form distortion, voltage fluctuation and the flickering that affect the quality of power supply, imbalance of three-phase voltage degree are analyzed, in time find out the reason that affects the quality of power supply, guarantee power grid security, reliable, economical operation.

Due to all kinds of monitoring instrument manufacturer's employings data memory format separately, make the power quality data form disunity of monitoring at present.For this reason, the IEEE council has proposed power quality data Interchange Format PQDIF(Power Quality Data Interchange Format).It has not only solved the unified processing problem of multi-data source data preferably, has also realized the multi-angle observation of quality of power supply index of correlation physical attribute, has successfully solved the compatibling problem of monitoring equipment and management system, has realized data sharing.

Along with the develop rapidly of intelligent grid, the new trend of Power Quality Monitoring Technology development is networking, informationization, standardization, intellectuality.Set up and improve Electric Power Quality On-line Monitor System, except must be take practicality, advance, reliability, expandability and ease for maintenance as cardinal rule, make monitoring network system have higher combination property, also should in conjunction with the specific (special) requirements of the quality of power supply, comprise following content:

1. the on-line monitoring of the quality of power supply and the technical supervision of the quality of power supply are combined, in time find and eliminate the weak link in electrical network, provide administration base to power marketing, strengthen management and the monitoring of the electrical network quality of power supply, make monitoring and management standard running in unified computer network program of the quality of power supply of regional electrical networks at different levels.

2. set up within the specific limits networking, build the power quality data center, and set up on this basis the information query system towards administration and supervision authorities, understand the operation of power networks situation by the various data of the Internet query and form, to increase work efficiency.

3. set up electric energy quality real-time monitoring and check system, can check at any time each website Real-time Monitoring Data and waveform.

4. set up the place of full-time staff's learning and communication, as putting up technical information and GB etc. with the bulletin form, provide the technical forum to exchange experience for it.

5. use unified power quality data Interchange Format to make system made on unified data platform, make different data sources have compatibility.

Summary of the invention

Technical matters to be solved by this invention is to propose a kind of electric energy quality monitoring management system based on electric power wide area, this system meets China's electric system characteristics, realized layering minute authority management, the real-time monitoring system of overlay area electrical network makes electric energy quality monitoring satisfy power industry networking, informationization, standardization and intelligentized growth requirement.

The electric energy quality monitoring management system that the present invention proposes is made of data acquisition subsystem, regional ADMINISTRATION SUBSYSTEM and electric energy quality monitoring center subsystem three parts, realizes analysis and management to the electrical network quality of power supply by layering, minute authority.

Described data acquisition subsystem comprises the modules such as DSP module, ARM module, signal condition module, anti-aliasing filter module, A/D modular converter, serial communication, dual port RAM, clock circuit, GPS location, Man Machine Interface, communication module.

The local supervising and measuring equipment of data acquisition subsystem generally is arranged on transformer station, generating plant, major network node, important power consumers etc.Monitoring device is take DSP and ARM as core, and dsp chip is mainly completed the functions such as collection to power quality data, detection algorithm, data format standard conversion, the functions such as the main complete paired data of ARM chip gathers, LCD demonstration, data storage, telecommunication.Come mutual transmission information and storage data by UART serial line interface and a dual port RAM between ARM and DSP.

Described signal condition modular circuit realizes the accurate collection to the voltage and current signal by the electric circuit constitutes such as the sensor of photoisolator, Hall effect, automatic gain controls, guarantees the precision that overall data process is analyzed.

Described GPS positioning system is the synchronism for the Monitoring Data that guarantees different monitoring points, improves the horizontal comparability of data.

Described Man Machine Interface comprises touch-screen control and LCD display.

Described communication module comprises USB interface, wired communication interface (RS-485, CAN, Ethernet), wireless communication interface (GPRS), can facilitate local the download by USB interface, can be with data upload to regional management system by wired communication interface and GPRS.

The data acquisition subsystem major function is that the voltage of collection in worksite, current signal processing are processed, and with the storage of PQDIF data layout, and the power quality data after processing is uploaded in real time.

Described regional ADMINISTRATION SUBSYSTEM is generally take city-level electric company as unit, is made of database server and the Web server of LAN (Local Area Network), comprises the modules such as database module, Web module, communications software modules, analysis expert module, data forwarding module.Database in described database server adopts the power quality data library management software PQview by U.S.'s DianKeYuan and American Electric Power scholar company joint development, and the PQview database software is powerful, is easy to storage and the analysis of PQDIF file.Can browse to by Web and comprise webGIS interface, data analysis and form, data query and demonstration and trend squiggle.Described Web server info issue is based on B/S(Browser/Server) pattern.Three coating systems (client layer, server layer, data Layer) based on the B/S pattern are compared traditional C/S(Client/Server) pattern has the remarkable advantages such as configuration management is convenient, flexible operation, extent of information sharing is high, the extensibility dilatancy is strong.

The area ADMINISTRATION SUBSYSTEM is in charge of the quality of power supply situation in the region within the jurisdiction, reports regional power quality data analysis report, and the information query system of passing through to be comprised of Web is issued the information of forecasting of quality of power supply information and analysis expert module etc.

Described Power quality management center subsystem generally take provincial power network as the basis, is made of electric energy quality monitoring central database server, Web server and office terminal, and function comprises all functions of regional ADMINISTRATION SUBSYSTEM.Mainly be in charge of main grid structure, and to the serious point of system power mass defect, regional key monitoring, local area electrical network uploading data gathers, thereby the quality of power supply level to overall grid operation is made comprehensive assessment, comprise forecast, fault and the Quality Down of Analysis and judgments to event, the quality of power supply diagnostic analysis, improve the steering order of quality etc.Form at last the power quality analysis report of the whole province.

Technical scheme of the present invention is as follows:

a kind of electric energy quality monitoring management system based on electric power wide area, it is characterized in that, this system is by data acquisition subsystem, area ADMINISTRATION SUBSYSTEM and electric energy quality monitoring center subsystem three parts consist of, described data acquisition subsystem be used for will from collection in worksite to voltage, current signal processing is processed, store with the PQDIF data layout, and the power quality data after processing is uploaded to regional ADMINISTRATION SUBSYSTEM in real time, described regional ADMINISTRATION SUBSYSTEM is used for connection data acquisition subsystem and electric energy quality monitoring center subsystem, and gather with the storage of electrical energy quality in real time and historical data, and the function that realizes application service, described electric energy quality monitoring center subsystem function comprises all functions of regional ADMINISTRATION SUBSYSTEM, be equivalent to the set of each department ADMINISTRATION SUBSYSTEM, it is the integrated management mechanism of whole system, be in charge of main grid structure, and the point serious to the system power mass defect, the zone key monitoring, local area electrical network uploading data gathers, thereby the quality of power supply level to the overall grid operation is made comprehensive assessment.

described data acquisition subsystem comprises the DSP module, the ARM module, the signal condition module, the anti-aliasing filter module, the A/D modular converter, the UART serial communication, dual port RAM, clock circuit, the GPS location, Man Machine Interface, communication module, data acquisition subsystem from collection in worksite to voltage, current signal is successively through the signal condition module, the anti-aliasing filter module, be transferred to the DSP module after the conversion of A/D modular converter, described signal condition module is used for high voltage and large current signal are converted to low-voltage and the little current signal that is fit to the DSP resume module, the anti-aliasing filter module is used for forcing the signal through the signal condition module to filter the high-frequency signal composition by a band-limited low-pass filter, making the signal that is input to A/D converter is band-limited signal, and allow effective frequency signal pass through with very little decay, and suppress frequency signal beyond this frequency band, thereby frequency spectrum generation aliasing and the high frequency interference of anti-stop signal, signal transfers to dual port RAM after forming power quality data and warning message and convert power quality data to the PQDIF form after the DSP module analysis being processed, the ARM module reads the power quality data in dual port RAM, stick into capable data storage by SD, the DSP module transmits power quality data and warning message by the UART serial communication in real time to the ARM module, receive simultaneously configuration and the control command of ARM module, described communication module comprises USB interface, wired communication interface, wireless communication interface, wired communication interface comprises RS-485, CAN, Ethernet, wireless communication interface is GPRS, USB interface is used for the local power quality data of downloading, power quality data transfers to regional ADMINISTRATION SUBSYSTEM by wired communication interface and wireless communication interface, described Man Machine Interface comprises LCD display and touch-screen, and LCD display is used for showing power quality data, and touch-screen operates the data acquisition subsystem for the staff.Described clock circuit and GPS locate, and are connected with the DSP module, are realized its triggering and control by DSP.

Described data acquisition subsystem is arranged on generating plant, transformer station, major network node or important power consumers.

DSP module TMS320F2812 chip in described data acquisition subsystem, ARM module S3C2440 chip, A/D module ADS8364 chip, dual port RAM IDT7026 chip.

Described regional ADMINISTRATION SUBSYSTEM comprises database module, Web module, communications software modules, analysis expert module, data forwarding module, database in described database module adopts the PQview database software, described Web module Web server information issue is based on B/S(Browser/Server) pattern, it is that management information system, SCADA are the communication interface of data acquisition monitoring system that described data forwarding module is used for setting up with electric power MIS.

Described electric energy quality monitoring center subsystem is made of database server, Web server and office terminal, and the function that described electric energy quality monitoring center subsystem realizes comprises provides that Web browses, the reporting statistics, support to have access to after the validated user login Monitoring Data that reports of each electric energy quality monitoring net of automatic reception each department management system.

Description of drawings

Fig. 1 is the electric energy quality monitoring management system structure schematic diagram based on electric power wide area

Fig. 2 is the data acquisition subsystem structural representation

Fig. 3 is regional ADMINISTRATION SUBSYSTEM structural representation

Embodiment

A kind of formation data acquisition subsystem, regional ADMINISTRATION SUBSYSTEM and electric energy quality monitoring center subsystem three parts based on the electric power wide area electric energy quality monitoring management system of the present invention's proposition realizes analysis and management to the electrical network quality of power supply by layering, minute authority.

One, data acquisition subsystem

Data acquisition subsystem is take DSP and ARM as core, and a dual port RAM, comprise that the modules such as DSP module, ARM module, signal condition module, anti-aliasing filter module, A/D modular converter, serial communication, dual port RAM, clock circuit, GPS location, Man Machine Interface, communication module form.The function that realizes has processing and the transmission of data acquisition and processing, data normalization conversion and data, is the Intelligent electrical energy monitoring device that one was measured, controls, shows and be in communication in to a collection.

Data acquisition subsystem is comprised of the monitoring terminal of the units such as generating plant, transformer station, major network node, important power consumers, system is take DSP as core, electric current and voltage transformer (VT) are transferred to the DSP module with the electric signal that collects after the A/D conversion, transfer to dual port RAM after converting power quality data to the PQDIF form after the DSP module is processed by analysis.Control module based on ARM reads the data in dual port RAM, sticks into capable data storage by SD.The DSP module can transmit Monitoring Data and warning message to the ARM module in real time by the UART serial ports, also can receive configuration and the control command of ARM module simultaneously.The corresponding several important monitoring indexes of the quality of power supply (for example voltage, electric current, waveform, harmonic wave) can show on LCD display for the staff to be checked and selects, and then realizes the operation of system is controlled.The staff also can download by USB interface.Monitoring device is realized telecommunication by Ethernet (or CAN, RS-485) and GPRS, and the power quality data that collects is transferred to the regional ADMINISTRATION SUBSYSTEM of upper level.

1, signal condition module and anti-aliasing filter module

In order to make as far as possible the Signal approximation that samples DSP in original signal, need to convert high voltage and large current signal to be fit to the DSP processing low-voltage and little current signal.In addition, except the signal amplitude conversion, isolation and filtering to be arranged also, eliminate the higher hamonic wave that various electromagnetic interference (EMI) produce.The signal condition modular circuit realizes the accurate collection to the voltage and current signal by the electric circuit constitutes such as the sensor of photoisolator, Hall effect, automatic gain controls, guarantees the precision that overall data process is analyzed.

Anti-aliasing Filter Circuits is to force signal to filter the high-frequency signal composition by a band-limited low-pass filter, making the signal that is input to A/D converter is band-limited signal, and allow effective frequency signal pass through with very little decay, and suppress frequency signal beyond this frequency band, thereby frequency spectrum generation aliasing and the high frequency interference of anti-stop signal.Because the mains frequency of China is 50 Hz, if designing requirement can be surveyed 50 subharmonic, the cutoff frequency of desirable low-pass filter is 2500Hz.

2, A/D modular converter

The A/D change-over circuit that proposes in the present invention adopts A/D conversion chip ADS8364 take 16, low-power consumption 6 passage as data acquisition chip.

3, DSP module

The DSP module that proposes in the present invention is selected the TMS320F2812 of TI company, it is based on the TMS320C28x kernel, the highest may operate under the 150MHz dominant frequency, 32 bit data addresses and 22 program addresses are arranged, addressing space can reach the program space of data space and 4 MB of 4MB, 16 Channel 12-Bit A/D, a large amount of universaling I/O ports, simultaneously integrated nearly all peripheral interfaces commonly used such as UART, SPI, SCI, ECAN and house dog.TMS320F2812 is a kind of 32 fixed DSPs of low-power consumption, has the dual-use function of DSP and multipoint controller, is very suitable for requiring the occasion of stronger arithmetic capability and control ability.

4, ARM module

The ARM module that proposes in the present invention adopts the S3C2440 processor of Samsung company, and S3C2440 has used the ARM920T kernel, is 16/32 reduced instruction set computer microprocessor.Adopted the 0.18um technical standard, low in energy consumption, be fit to very much the occasion that needs are controlled cost and power consumption is used.ARM920T has realized MMU, AMBA bus and Harvard buffer structure, independent 16K instruction buffer and the data buffer storage of every row 8 word lengths.Function integrated on chip comprises: pll clock generator, 8 path 10 position AD controllers and touch screen interface on the 16K instruction/data buffer memory that separates, sdram controller, lcd controller, 4 passage DMA, 3 passage UART, iic bus, IIS bus, SD host interface, PWM timer, house dog, sheet, utilizing camera interface and with the real-time clock of time-of-day function.The S3C2440 highest frequency can reach 533MHz, and power consumption only has the mW level.Therefore be very suitable for data demonstration, touch screen operation, data storage and the telecommunication of equipment for monitoring power quality.

5, dual port RAM

The dual port RAM that proposes in the present invention adopts IDT7026, and IDT7026 is the twoport static RAM (SRAM) of the high speed 16k that develops of American I DT company * 16bit.It can allow two ports to carry out simultaneously the high-speed read-write data, includes master/slave control pin, and has the concentrator marker function.Dual port RAM is used for the high-speed data exchange of DSP module and ARM intermodule, supports two modules to access simultaneously same storage unit, and volume of transmitted data is large, transmission speed is fast, interface circuit is simple.The DSP module sends data to dual port RAM after processing by analysis, and the ARM module reads the data in dual port RAM for further processing.

6, data acquisition subsystem provides serial interface, and by UART, the DSP module can transmit Monitoring Data and warning message in real time to the ARM module, also can receive configuration and the control command of ARM module simultaneously.

7, GPS(GPS) technology has that measuring accuracy is high, antijamming capability is strong, the reliability high, the synchronized sampling that utilizes the GPS technology to realize, and its maximum synchronous error is no more than ± lus.The measurement data of correspondence is stamped " time tag ", guarantee the synchronism of the Monitoring Data of different monitoring points, improve the horizontal comparability of data.

8, communication module

The power quality data of measuring comes monitoring for further analysis by communication module.The staff can come downloading data in the monitoring point by USB interface nearby, simultaneously also can send data to regional ADMINISTRATION SUBSYSTEM by wired communication interface (RS-485, CAN, Ethernet) or wireless communication interface (GPRS), the utilization of uniting of communication makes monitoring analysis diversification and intellectuality more.

Two, regional ADMINISTRATION SUBSYSTEM

The area ADMINISTRATION SUBSYSTEM is the core of whole system, plays the effect that connects local supervising and measuring equipment and provincial electric energy quality monitoring center, is equivalent to an intermediate link.All in real time and historical data all to gather and store at this, the function of many application services also is achieved herein.The area ADMINISTRATION SUBSYSTEM is generally take city-level electric company as unit, by the PQview database server of LAN (Local Area Network) with based on B/S(Browser/Server) the Web server of pattern consists of.Comprise the modules such as database module, Web module, analysis expert module, communications software modules, data forwarding module.Can browse to by Web and comprise WebGIS interface, data analysis and form, data query and demonstration and trend squiggle.

Its function mainly comprises:

1, (optional) receives Real-time Monitoring Data to the PQview database that each data acquisition subsystem uploads and stores manually or automatically.

2, power quality index in real time, historical data has in LAN (Local Area Network) in the browser page mode by web on the user terminal of authority and browse, and comprises the text, bar graph, trend map demonstration of data etc.

3, the statistical study of historical data, demonstration and standard report the output of form.Measurement type comprises a day statistics, month statistics, year statistics and arbitrary period statistics; Report form type comprises harmonic voltage Monthly Bulletin of Statistics Section, harmonic current Monthly Bulletin of Statistics Section, comprehensive anharmonic wave power quality index Monthly Bulletin of Statistics Section.

4, the analysis expert module is by to the data analysis in the PQView of main website database, realize to the statistics, comprehensive assessment and the trend prediction of the regional quality of power supply of local power quality data, and issue by Web.

5, data forwarding module is coordinated the data transmission between each subsystem, and uploads regional power quality analysis form to the electric energy quality monitoring centring system.Set up simultaneously and electric power MIS(management information system), the SCADA(data acquisition monitoring system) etc. communication interface, exchange pertinent information is for the comprehensive assessment of this Power Quality in Regional Power Grid provides strong technical data.

Three, the electric energy quality monitoring center subsystem

The electric energy quality monitoring center subsystem has comprised all functions of regional ADMINISTRATION SUBSYSTEM generally take provincial power network as the basis comprehensively, is equivalent to the set of each department ADMINISTRATION SUBSYSTEM.Consisted of by database server, Web server and office terminal, it is the integrated management mechanism of whole system, be in charge of main grid structure, and to the serious point of system power mass defect, regional key monitoring, more advanced analysis and management software are arranged, local area electrical network uploading data gathers, thereby the quality of power supply level to overall grid operation is made comprehensive assessment, comprise forecast, fault and the Quality Down of Analysis and judgments to event, the quality of power supply diagnostic analysis, improve the steering order of quality etc.Form at last the power quality analysis report of the whole province.

Its major function comprises:

1, provide the Web relevant to electrical network quality of power supply knowledge information to browse, as the hyperlink of relevant mark Huaihe River, document, electric energy quality monitoring and improvement latest tendency, quality of power supply relevant issues forums, regional monitoring net etc.

2, automatic reception each department management system report statistics; The real time data that in the automatic reception system, upload main pollution sources of electrical energy quality monitoring point is as the transformer station of large-scale steel mill, electric railway and the subway connecting system of the direct-furnish of 220 kV systems; The real time data that in the automatic reception system, backbone point transformer station uploads when monitoring index is out-of-limit.

3, after the validated user login, can have access to the Monitoring Data that reports of each electric energy quality monitoring net; To the full-time user of the quality of power supply of the city electric company of some monitoring devices of not networking, can realize the manual work that reports of making a report on statistics.

4, can carry out various forms of in real time and the inquiry work of Historical Monitoring data, realize the repertoire of regional ADMINISTRATION SUBSYSTEM web browsing.

5, the comprehensive assessment work of the whole network quality of power supply can be regularly completed on request, and the monitoring analysis data can be provided from the angle of the quality of power supply to various transition effects and the failure condition that occurs in operation of power networks.

6, if this system is installed in server on city electric company LAN (Local Area Network), and application level can be realized all functions of corresponding regional ADMINISTRATION SUBSYSTEM when being set to city electric company.

A kind of electric energy quality monitoring management system based on electric power wide area that the present invention proposes, overcome that traditional electric energy quality monitoring form is single, the defective such as data layout disunity, management and analysis difficulty, system is made of data acquisition subsystem, regional ADMINISTRATION SUBSYSTEM and electric energy quality monitoring center subsystem three parts, realizes analysis and management to the electrical network quality of power supply by layering, minute authority.Data acquisition subsystem based on DSP and ARM, can collect accurately power quality data and can in time be uploaded to the storage of regional ADMINISTRATION SUBSYSTEM and analyze, unified PQView data processing platform (DPP) and powerful expert system can the subregions, at times, minute character ground generates frequency analysis report, falls analysis report and comprehensive assessment reports temporarily; Facilitate the Power quality management personnel to understand and grasp operation conditions and the secular trend trend of regional power grid in a certain period based on the information query system of the diversification of Web, everything all for power supply department is grasped the operation of power networks parameter, the practicable governing plan of formulation provides favourable help, has optimized Power quality management work.

Claims (6)

1. electric energy quality monitoring management system based on electric power wide area, it is characterized in that, this system is by data acquisition subsystem, area ADMINISTRATION SUBSYSTEM and electric energy quality monitoring center subsystem three parts consist of, described data acquisition subsystem be used for will from collection in worksite to voltage, current signal processing is processed, store with the PQDIF data layout, and the power quality data after processing is uploaded to regional ADMINISTRATION SUBSYSTEM in real time, described regional ADMINISTRATION SUBSYSTEM is used for connection data acquisition subsystem and electric energy quality monitoring center subsystem, and gather with the storage of electrical energy quality in real time and historical data, and the function that realizes application service, described electric energy quality monitoring center subsystem function comprises all functions of regional ADMINISTRATION SUBSYSTEM, be equivalent to the set of each department ADMINISTRATION SUBSYSTEM, it is the integrated management mechanism of whole system, be in charge of main grid structure, and the point serious to the system power mass defect, the zone key monitoring, local area electrical network uploading data gathers, thereby the quality of power supply level to the overall grid operation is made comprehensive assessment.
2. the electric energy quality monitoring management system based on electric power wide area according to claim 1, it is characterized in that: described data acquisition subsystem comprises the DSP module, the ARM module, the signal condition module, the anti-aliasing filter module, the A/D modular converter, the UART serial communication, dual port RAM, clock circuit, the GPS location, Man Machine Interface, communication module, data acquisition subsystem from collection in worksite to voltage, current signal is successively through the signal condition module, the anti-aliasing filter module, be transferred to the DSP module after the conversion of A/D modular converter, described signal condition module is used for high voltage and large current signal are converted to low-voltage and the little current signal that is fit to the DSP resume module, the anti-aliasing filter module is used for forcing the signal through the signal condition module to filter the high-frequency signal composition by a band-limited low-pass filter, making the signal that is input to A/D converter is band-limited signal, and allow effective frequency signal pass through with very little decay, and suppress frequency signal beyond this frequency band, thereby frequency spectrum generation aliasing and the high frequency interference of anti-stop signal, signal transfers to dual port RAM after forming power quality data and warning message and convert power quality data to the PQDIF form after the DSP module analysis being processed, the ARM module reads the power quality data in dual port RAM, stick into capable data storage by SD, the DSP module transmits power quality data and warning message by the UART serial communication in real time to the ARM module, receive simultaneously configuration and the control command of ARM module, described communication module comprises USB interface, wired communication interface, wireless communication interface, wired communication interface comprises RS-485, CAN, Ethernet, wireless communication interface is GPRS, USB interface is used for the local power quality data of downloading, power quality data transfers to regional ADMINISTRATION SUBSYSTEM by wired communication interface and wireless communication interface, described Man Machine Interface comprises LCD display and touch-screen, LCD display is used for showing power quality data, and touch-screen operates the data acquisition subsystem for the staff, and described clock circuit and GPS locate, be connected with the DSP module, realized its triggering and control by DSP.
3. the electric energy quality monitoring management system based on electric power wide area according to claim 1, it is characterized in that: described data acquisition subsystem is arranged on generating plant, transformer station, major network node or important power consumers.
4. the electric energy quality monitoring management system based on electric power wide area according to claim 2, it is characterized in that: DSP module TMS320F2812 chip in described data acquisition subsystem, ARM module S3C2440 chip, A/D module ADS8364 chip, dual port RAM IDT7026 chip.
5. the electric energy quality monitoring management system based on electric power wide area according to claim 1, is characterized in that: described regional ADMINISTRATION SUBSYSTEM
Comprise database module, Web module, communications software modules, analysis expert module, data forwarding module, database in described database module adopts the PQview database software, described Web module Web server information issue is based on B/S(Browser/Server) pattern, it is that management information system, SCADA are the communication interface of data acquisition monitoring system that described data forwarding module is used for setting up with electric power MIS.
6. the electric energy quality monitoring management system based on electric power wide area according to claim 1, it is characterized in that: described electric energy quality monitoring center subsystem is made of database server, Web server and office terminal, and the function that described electric energy quality monitoring center subsystem realizes comprises provides that Web browses, the reporting statistics, support to have access to after the validated user login Monitoring Data that reports of each electric energy quality monitoring net of automatic reception each department management system.
CN201310044252XA 2013-02-04 2013-02-04 Power quality monitoring management system based on electric power wide-area network CN103135019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310044252XA CN103135019A (en) 2013-02-04 2013-02-04 Power quality monitoring management system based on electric power wide-area network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310044252XA CN103135019A (en) 2013-02-04 2013-02-04 Power quality monitoring management system based on electric power wide-area network

Publications (1)

Publication Number Publication Date
CN103135019A true CN103135019A (en) 2013-06-05

Family

ID=48495110

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310044252XA CN103135019A (en) 2013-02-04 2013-02-04 Power quality monitoring management system based on electric power wide-area network

Country Status (1)

Country Link
CN (1) CN103135019A (en)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103269381A (en) * 2013-06-08 2013-08-28 南京因泰莱电器股份有限公司 Cloud-computing-based WEB-supervisory control and data acquisition (SCADA) energy management and monitoring system
CN103424662A (en) * 2013-08-05 2013-12-04 江苏科技大学 Smart power grid transmission line fault monitoring system and method
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
CN103487685A (en) * 2013-09-17 2014-01-01 山西省电力公司晋城供电分公司 Remote power quality on-line monitoring system based on wide area network
CN103490513A (en) * 2013-09-17 2014-01-01 山西省电力公司晋城供电分公司 Portable power quality on-line monitor system based on GPRS network
CN103699688A (en) * 2014-01-10 2014-04-02 深圳供电局有限公司 Terminal model for supporting management of reliability in power supply of terminal user
CN103872782A (en) * 2014-03-31 2014-06-18 国家电网公司 Electric energy quality data comprehensive service system
CN103887806A (en) * 2014-04-15 2014-06-25 国家电网公司 Intelligent type three-phase-four-wire-system current balance automatic adjusting and controlling system
CN103926490A (en) * 2014-04-21 2014-07-16 广东电网公司茂名供电局 Power transformer comprehensive diagnosis method with self-learning function
CN103956827A (en) * 2014-04-23 2014-07-30 国家电网公司 Harmonic monitoring control system based on multi-source microgrid
CN103984782A (en) * 2014-06-11 2014-08-13 国家电网公司 Transformation equipment big data analysis system based on database technology
CN104092297A (en) * 2014-06-24 2014-10-08 国家电网公司 Monitoring system and method for monitoring running performance of power grid system in real time
CN104242450A (en) * 2014-09-15 2014-12-24 珠海许继电气有限公司 Method for monitoring state of wireless module in power distribution system
CN104269931A (en) * 2014-10-20 2015-01-07 国网山西省电力公司晋城供电公司 Electric network pollution data bus type collection system based on PQDIF standard
CN104408583A (en) * 2014-12-22 2015-03-11 国家电网公司 Intelligent decision and analysis system for electric energy
CN104483566A (en) * 2014-12-04 2015-04-01 国家电网公司 Power grid data acquisition method and device
CN104657799A (en) * 2013-11-19 2015-05-27 国家电网公司 Method and system for managing metering information quality of power grid gateway
CN105021925A (en) * 2015-07-15 2015-11-04 深圳市双合电气股份有限公司 Cement industry-based electric power supervision system and method
CN105067914A (en) * 2015-07-24 2015-11-18 深圳无线电检测技术研究院 Power quality monitoring method
CN105894772A (en) * 2016-04-13 2016-08-24 深圳无线电检测技术研究院 HWN (heterogeneous wireless network) based electric power quality data monitoring and management system and method
CN107807556A (en) * 2017-09-22 2018-03-16 南通盛洋电气有限公司 Enterprise electrical energy on-line checking and equipment safety analysis system
CN108010301A (en) * 2017-11-06 2018-05-08 国家电网公司 A kind of digital transformer substation electric energy quality monitoring system and method
CN108872881A (en) * 2018-06-26 2018-11-23 包莉丽 Distributed generation resource electric energy quality monitoring method
CN108924117A (en) * 2018-06-26 2018-11-30 包莉丽 Electric energy quality monitoring querying method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5721688A (en) * 1996-09-06 1998-02-24 Madill Technologies, Inc. Apparatus and method for electrical system measurements including battery condition, resistance of wires and connections, total electrical system quality and current flow
CN201327515Y (en) * 2008-12-18 2009-10-14 浙江工业大学 Distributed electrical energy quality online monitoring instrument based on dual-CPU
CN201382982Y (en) * 2009-02-11 2010-01-13 深圳市普禄科智能检测设备有限公司 Power quality detecting device
CN201408230Y (en) * 2009-05-25 2010-02-17 成都顺通电气有限公司 Embedded electric energy quality monitoring system
CN201440158U (en) * 2009-07-21 2010-04-21 黑龙江大学 Power quality monitoring and analyzing device
CN201477170U (en) * 2009-08-06 2010-05-19 东南大学 Transient power quality quick detection device
CN101750561A (en) * 2010-01-08 2010-06-23 江苏大学 Electrical energy quality monitoring and evaluating system
CN101763598A (en) * 2010-01-08 2010-06-30 江苏大学 Electrical energy management system
CN201892971U (en) * 2010-11-17 2011-07-06 上海市电力公司 System for obtaining electric energy quality data from intelligent electric meter management system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5721688A (en) * 1996-09-06 1998-02-24 Madill Technologies, Inc. Apparatus and method for electrical system measurements including battery condition, resistance of wires and connections, total electrical system quality and current flow
CN201327515Y (en) * 2008-12-18 2009-10-14 浙江工业大学 Distributed electrical energy quality online monitoring instrument based on dual-CPU
CN201382982Y (en) * 2009-02-11 2010-01-13 深圳市普禄科智能检测设备有限公司 Power quality detecting device
CN201408230Y (en) * 2009-05-25 2010-02-17 成都顺通电气有限公司 Embedded electric energy quality monitoring system
CN201440158U (en) * 2009-07-21 2010-04-21 黑龙江大学 Power quality monitoring and analyzing device
CN201477170U (en) * 2009-08-06 2010-05-19 东南大学 Transient power quality quick detection device
CN101750561A (en) * 2010-01-08 2010-06-23 江苏大学 Electrical energy quality monitoring and evaluating system
CN101763598A (en) * 2010-01-08 2010-06-30 江苏大学 Electrical energy management system
CN201892971U (en) * 2010-11-17 2011-07-06 上海市电力公司 System for obtaining electric energy quality data from intelligent electric meter management system

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
彭明智: "电能质量在线监测终端的硬件实现研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 *
杨进等: "电能质量监测技术发展新趋势——网络化、信息化、标准化", 《电力自动化设备》 *
汝雁飞: "基于嵌入式的电能质量远程监控系统的研究与设计", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 *
聂晶晶: "电能质量监测系统及PQDIF数据存储格式的研究", 《中国优秀博硕士学位论文全文数据库 (硕士) 工程科技Ⅱ辑》 *

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103269381A (en) * 2013-06-08 2013-08-28 南京因泰莱电器股份有限公司 Cloud-computing-based WEB-supervisory control and data acquisition (SCADA) energy management and monitoring system
CN103424662A (en) * 2013-08-05 2013-12-04 江苏科技大学 Smart power grid transmission line fault monitoring system and method
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
CN103487685A (en) * 2013-09-17 2014-01-01 山西省电力公司晋城供电分公司 Remote power quality on-line monitoring system based on wide area network
CN103490513A (en) * 2013-09-17 2014-01-01 山西省电力公司晋城供电分公司 Portable power quality on-line monitor system based on GPRS network
CN104657799A (en) * 2013-11-19 2015-05-27 国家电网公司 Method and system for managing metering information quality of power grid gateway
CN103699688A (en) * 2014-01-10 2014-04-02 深圳供电局有限公司 Terminal model for supporting management of reliability in power supply of terminal user
CN103872782A (en) * 2014-03-31 2014-06-18 国家电网公司 Electric energy quality data comprehensive service system
CN103872782B (en) * 2014-03-31 2016-04-20 国家电网公司 A kind of power quality data integrated service system
CN103887806A (en) * 2014-04-15 2014-06-25 国家电网公司 Intelligent type three-phase-four-wire-system current balance automatic adjusting and controlling system
CN103926490A (en) * 2014-04-21 2014-07-16 广东电网公司茂名供电局 Power transformer comprehensive diagnosis method with self-learning function
CN103926490B (en) * 2014-04-21 2016-08-24 广东电网公司茂名供电局 A kind of power transformer error comprehensive diagnosis method with self-learning function
CN103956827A (en) * 2014-04-23 2014-07-30 国家电网公司 Harmonic monitoring control system based on multi-source microgrid
CN103984782A (en) * 2014-06-11 2014-08-13 国家电网公司 Transformation equipment big data analysis system based on database technology
CN104092297A (en) * 2014-06-24 2014-10-08 国家电网公司 Monitoring system and method for monitoring running performance of power grid system in real time
CN104092297B (en) * 2014-06-24 2016-08-31 国家电网公司 A kind of monitoring system and method for real-time monitoring network system runnability
CN104242450A (en) * 2014-09-15 2014-12-24 珠海许继电气有限公司 Method for monitoring state of wireless module in power distribution system
CN104269931A (en) * 2014-10-20 2015-01-07 国网山西省电力公司晋城供电公司 Electric network pollution data bus type collection system based on PQDIF standard
CN104483566A (en) * 2014-12-04 2015-04-01 国家电网公司 Power grid data acquisition method and device
CN104408583A (en) * 2014-12-22 2015-03-11 国家电网公司 Intelligent decision and analysis system for electric energy
CN105021925A (en) * 2015-07-15 2015-11-04 深圳市双合电气股份有限公司 Cement industry-based electric power supervision system and method
CN105021925B (en) * 2015-07-15 2018-06-29 深圳市双合电气股份有限公司 Power monitoring system and method based on cement industry
CN105067914A (en) * 2015-07-24 2015-11-18 深圳无线电检测技术研究院 Power quality monitoring method
CN105894772A (en) * 2016-04-13 2016-08-24 深圳无线电检测技术研究院 HWN (heterogeneous wireless network) based electric power quality data monitoring and management system and method
CN107807556A (en) * 2017-09-22 2018-03-16 南通盛洋电气有限公司 Enterprise electrical energy on-line checking and equipment safety analysis system
CN108010301A (en) * 2017-11-06 2018-05-08 国家电网公司 A kind of digital transformer substation electric energy quality monitoring system and method
CN108872881A (en) * 2018-06-26 2018-11-23 包莉丽 Distributed generation resource electric energy quality monitoring method
CN108924117A (en) * 2018-06-26 2018-11-30 包莉丽 Electric energy quality monitoring querying method

Similar Documents

Publication Publication Date Title
CN104242447B (en) The integrated measure and control device of intelligent substation and system
CN103488835B (en) The emulation platform of a kind of dispatch automated system and emulation mode thereof
CN103235221B (en) Fault detecting system and fault detecting method for photovoltaic power station remote monitoring
CN205428174U (en) Long -range energy consumption data acquisition system
CN102222276B (en) State maintenance method and device for secondary equipment of power grid
CN101354408B (en) Electric energy acquisition and operation management system and method based on platform zone centralized service terminal
CN101493485B (en) On-line monitoring system for capacitive equipment dielectric loss angle
CN100462729C (en) On-line monitoring method for winding turn-to-turn short-circuit of distribution generator stator based on multi-criterion mixing
CN101551440B (en) Generator transformer unit faults recorder analysis device
CN103203277B (en) Ball mill monitoring system based on smart cloud computing platform and monitoring method
CN101236225B (en) Electric network transformer monitoring device monitoring method
CN102096399B (en) Embedded energy data acquisition unit
CN101498757B (en) Real-time dynamic monitoring and recording equipment of power system
CN103345227B (en) A kind of micro-capacitance sensor monitoring and energy management apparatus and method
CN101515015B (en) Power quality monitoring and recording device of power system
CN103812885A (en) Internet of Things energy metering method and device
CN201757929U (en) Fully wireless networked power consumer power consumption information acquisition system
CN102053202B (en) Smart grid-oriented power quality monitoring system and method
CN102969796B (en) Near-real-time electric quantity monitoring and dispatching management system for rural power grid
CN202057784U (en) Online calibrating and digital online monitoring system for electric energy meter
CN202134144U (en) High voltage power distribution completely real load control training assessment system
CN102819004A (en) Comprehensive detecting and analyzing platform for performance of digital electric energy metering systems of intelligent transformer substations
CN103852744A (en) Distributed online monitoring system and method for electric energy metering device
CN104426950A (en) Electric power Internet of things intelligent communication method, system and gateway
CN101576743B (en) Distributed ring main unit monitor terminal

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C05 Deemed withdrawal (patent law before 1993)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130605