CN201449436U - Failure diagnosing and positioning system for power system earthing net - Google Patents
Failure diagnosing and positioning system for power system earthing net Download PDFInfo
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- CN201449436U CN201449436U CN2009200449706U CN200920044970U CN201449436U CN 201449436 U CN201449436 U CN 201449436U CN 2009200449706 U CN2009200449706 U CN 2009200449706U CN 200920044970 U CN200920044970 U CN 200920044970U CN 201449436 U CN201449436 U CN 201449436U
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Abstract
The utility model discloses a failure diagnosing and positioning system for a power system earthing net, which includes a host machine workstation, a data measuring and acquiring device, a communication server, network equipment, a voice alarming device, and display equipment. The host machine workstation manages a database, processes data transmitted by the data measuring and acquiring device, and acquires the required various information; the data measuring and acquiring device can measure voltages of nodes able to be measured; the communication server completes the scheduling with an upper computer as well as the communication with other computer systems; the network equipment is linked into a fast Ethernet through a network switch; the voice alarming device alarms failures and accidents of an electric power station; and the display equipment outputs and displays the required information. As an independent-running workstation, the failure diagnosing and positioning system can be combined with various equipment to form a synthesized automatic system of a transformer station. The failure diagnosing and positioning system has the advantages of low workload, high speed, portability of equipment, no influence on the normal running of the power system, etc.
Description
Technical field
The utility model relates to a kind of system for diagnosing and positioning ground grid faults of electric system, and specifically a kind of service condition that is not subjected to limits, and does not have a power failure, not under the excavation situation, to the grounded screen fault diagnosis positioning system of earth mat corrosion diagnosing malfunction location.
Background technology
Power industry is as the basic industry in the national economy, and its basic task is the electric energy that " sufficient, reliable, qualified, cheapness " is provided for national economy and people's lives.Grounded screen is the critical facility of safeguarding the power system security reliability service, ensureing operations staff and electrical equipment safety.Whether grounded screen well is one of key of safety in production, it is carried out fault diagnosis can predict fault potential in the ground networks and potential problem, this will become the work with strategic importance gradually, be that the power industry realization is quick, stable, the important leverage of sustainable development.
The all pressures conductor that constitutes grounded screen failure welding or leak weldering during often because of construction, the corrosion of soil, reasons such as the electrodynamic action of earth short circuit current, make all press between the conductor or ground lead with press all that existence is electrically connected bad trouble spot between the conductor.If meet electric system generation ground short circuit fault, to cause local potential difference of earth mat own and earth mat potential anomalies to raise, except that bringing the threat to the operations staff, also may cause the insulation breakdown of secondary device, high pressure is scurried into the pulpit, make monitoring or opertaing device generation malfunction or tripping and the expansion accident is brought enormous economic loss and bad social influence.In China, because of the accident that earth mat corrodes or the generation fracture causes happens occasionally, each accident has all been brought enormous economic loss to society.This shows that the grounded screen fault problem has been a mortal malady of safe operation of power system, the breakpoint of diagnosis grounded screen and the corrosion situation of earth mat have become a great anti-accident measures of power department.
Past generally is after finding that stake resistance is defective or accident occurring, and by excavation, the trouble spot that is electrically connected of searching earth mat, this method band bears the character of much blindness, workload is big, speed is slow, is subjected to the restriction of service condition.Therefore, market press for develop a kind of accurate and effective, be not subjected to the service condition restriction, power-off condition is not diagnosed the system of location to earth mat.
Summary of the invention
The purpose of this utility model provides a kind of system for diagnosing and positioning ground grid faults of electric system, and this fault diagnosis positioning system is not limited by service condition, is not having a power failure, not under the excavation situation, to earth mat corrosion diagnosing malfunction location.And this grounded screen fault diagnosis positioning system is as the workstation of an independent operating, can with the multiple comprehensive automation system of transformer substation that constitute such as real-time data base server, historical database server, protection workstation, despatching work station, WEB server, data collection task station and satellite clock receiving trap.
The purpose of this utility model is achieved through the following technical solutions:
A kind of system for diagnosing and positioning ground grid faults of electric system, it is characterized in that: this fault diagnosis positioning system comprises host work station, DATA REASONING and harvester, the communication server, the network equipment, phonetic alarm device and display device, and wherein DATA REASONING all is connected with the host work station with harvester, the communication server, the network equipment, phonetic alarm device and display device; Described host work station comprises data base administration, data is measured the data that send with harvester handle, and obtain required various information; DATA REASONING and harvester are measured the voltage that can survey node, and send data to the host work station; The communication server is finished the communication with last machine scheduling and other computer system, and the ruuning situation of the current power station equipment of online query, reports to the police automatically when needed; The network equipment is connected into Fast Ethernet by the network switch; Phonetic alarm device carries out audio alert to power failure and accident; Display device will need information to export demonstration.
In the utility model, Windows NT/2000 operating system is adopted at the host work station, and host function comprises data base administration, online or calculated off-line function, the generation of various charts, curve etc.All operation controls can realize by Genius mouse and keyboard, can do to monitor in real time to equipment operation by LCD, and obtain required various information.
Measure with data acquisition system (DAS) the voltage that can survey node is measured, for the fault diagnosis of back is prepared.
The communication server can be finished and last machine scheduling and the communication of other computer system such as systems such as MIS.Be provided with ON CALL system, can start wireless system for transmitting data automatically and report to the police; System also provides function of remote query, can be by the ruuning situation of the current power station equipment of Help by Phone.
Each major equipment of the utility model system is connected into Fast Ethernet by the network switch, and network medium is mainly fiber optic cables and CAT5E UTP cable.
Phonetic alarm device is sent out audio alert as the part of monitoring power station system to power failure and accident, reminds the operations staff.Have functions such as audio alert, test.
Printer is set in the display device, finishes various information and report printing, finish the print service function of computer supervisory control system, printing type prints to the master with calling, and timed print is auxilliary.
The utility model can carry out the information transmission with higher level department, has visual man-machine interface, can also carry out Report Server Management, data base administration etc.
Adopt the utility model can find the corrosion fault of grounded screen and the development of fault in advance, the ground net corrosion fault is made early warning and safety assessment, search the method for grounded screen breakpoint and corrosion section with respect to traditional large-area power-cuts excavation, the method that this system provides has advantages such as workload is little, speed fast, portable devices, and do not influence the normal operation of electric system, thereby guaranteed the safe operation and the power supply reliability of electric system, directly and indirect economic effect remarkable.
Search grounded screen breakpoint and the method for corroding section with respect to traditional large-area power-cuts excavation, the utlity model has advantages such as workload is little, speed fast, portable devices, and do not influence the normal operation of electric system.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model and peripherals connection layout.
Embodiment
A kind of system for diagnosing and positioning ground grid faults of electric system is seen Fig. 1, and this fault diagnosis positioning system comprises host work station, DATA REASONING and harvester, the communication server, the network equipment, phonetic alarm device and display device.Wherein DATA REASONING all is connected with the host work station with harvester, the communication server, the network equipment, phonetic alarm device and display device.The host work station comprises data base administration, data is measured the data that send with harvester handle, and obtain required various information; DATA REASONING and harvester are measured the voltage that can survey node, and send data to the host work station; The communication server is finished the communication with last machine scheduling and other computer system, and the ruuning situation of the current power station equipment of online query, reports to the police automatically when needed; The network equipment is connected into Fast Ethernet by the network switch; Phonetic alarm device carries out audio alert to power failure and accident; Display device will need information to export demonstration.
The utility model mainly is made up of man-machine interface, background processor and DATA REASONING and collecting unit. and man-machine interface mainly comprises raw data inputting interface, diagnostic result interface and helps the interface to form. wherein in the raw data inputting interface, needs only and clicks the raw data that the file of opening response gets final product the input grounding net. help the interface guides user how to use this software. after raw data and measurement data input system, the fault diagnosis of this grounded screen will be specifically carried out at the host work station, and the result is passed to the foreground.
The utility model is as the workstation of an independent operating, can with the multiple comprehensive automation system of transformer substation that constitute such as real-time data base server, historical database server, protection workstation, despatching work station, WEB server, data collection task station and satellite clock receiving trap.Fig. 2 is the utility model and peripherals connection layout.
Comprehensive automation system of transformer substation adopts the adapter distribution network service middleware technology based on event mode, has realized the quick transmission of data.The monitoring of electric system grounded screen fault can obtain data in time by it, guaranteed the response speed of system.
The utility model is gathered each measuring point voltage of electric system grounded screen, current signal by each device of high-speed communicating network transmission intercal layer.Utilize the systematic parameter method of identification to set up the fault equation.Through simulation calculation, accurately the fault location point is found out all fault branches.Adopt fuzzy mathematics method overall treatment multi-group data, finally export the comprehensive diagnos result.
Use the utility model can find the corrosion fault of grounded screen and the development of fault in advance, the ground net corrosion fault made early warning and safety assessment, thereby guaranteed the safe operation and the power supply reliability of electric system, directly and indirect economic effect remarkable.
Claims (4)
1. system for diagnosing and positioning ground grid faults of electric system, it is characterized in that: this fault diagnosis positioning system comprises host work station, DATA REASONING and harvester, the communication server, the network equipment, phonetic alarm device and display device, and wherein DATA REASONING all is connected with the host work station with harvester, the communication server, the network equipment, phonetic alarm device and display device; Described host work station comprises data base administration, data is measured the data that send with harvester handle, and obtain required various information; DATA REASONING and harvester are measured the voltage that can survey node, and send data to the host work station; The communication server is finished the communication with last machine scheduling and other computer system, and the ruuning situation of the current power station equipment of online query, reports to the police automatically when needed; The network equipment is connected into Fast Ethernet by the network switch; Phonetic alarm device carries out audio alert to power failure and accident; Display device will need information to export demonstration.
2. system for diagnosing and positioning ground grid faults of electric system according to claim 1 is characterized in that: Windows NT/2000 operating system is adopted at described host work station, and online or off-line calculates, and generates chart, curve.
3. system for diagnosing and positioning ground grid faults of electric system according to claim 1 is characterized in that: the communication server is provided with online calling system.
4. system for diagnosing and positioning ground grid faults of electric system according to claim 1 is characterized in that: network medium is fiber optic cables and CAT5E UTP cable in the network equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200449706U CN201449436U (en) | 2009-06-08 | 2009-06-08 | Failure diagnosing and positioning system for power system earthing net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200449706U CN201449436U (en) | 2009-06-08 | 2009-06-08 | Failure diagnosing and positioning system for power system earthing net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449436U true CN201449436U (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200449706U Expired - Fee Related CN201449436U (en) | 2009-06-08 | 2009-06-08 | Failure diagnosing and positioning system for power system earthing net |
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| Country | Link |
|---|---|
| CN (1) | CN201449436U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375105A (en) * | 2010-07-22 | 2012-03-14 | 上海宝冶集团有限公司 | Simulation test system of substation equipment relay protection system |
| CN102879682A (en) * | 2012-09-26 | 2013-01-16 | 国家电网公司 | Cable fault tester |
| CN104777399A (en) * | 2015-03-03 | 2015-07-15 | 国网河南省电力公司电力科学研究院 | Three-dimensional digitalized monitoring device and method for substation grounding grid |
| CN110780151A (en) * | 2019-10-22 | 2020-02-11 | 国网天津市电力公司电力科学研究院 | Large-scale grounding grid multi-channel rapid corrosion detection and plane imaging diagnosis method |
-
2009
- 2009-06-08 CN CN2009200449706U patent/CN201449436U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375105A (en) * | 2010-07-22 | 2012-03-14 | 上海宝冶集团有限公司 | Simulation test system of substation equipment relay protection system |
| CN102879682A (en) * | 2012-09-26 | 2013-01-16 | 国家电网公司 | Cable fault tester |
| CN104777399A (en) * | 2015-03-03 | 2015-07-15 | 国网河南省电力公司电力科学研究院 | Three-dimensional digitalized monitoring device and method for substation grounding grid |
| CN110780151A (en) * | 2019-10-22 | 2020-02-11 | 国网天津市电力公司电力科学研究院 | Large-scale grounding grid multi-channel rapid corrosion detection and plane imaging diagnosis method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20120608 |