CN104181489A - Calibration system for substation alternating-current sampling and measuring device - Google Patents
Calibration system for substation alternating-current sampling and measuring device Download PDFInfo
- Publication number
- CN104181489A CN104181489A CN201410450078.3A CN201410450078A CN104181489A CN 104181489 A CN104181489 A CN 104181489A CN 201410450078 A CN201410450078 A CN 201410450078A CN 104181489 A CN104181489 A CN 104181489A
- Authority
- CN
- China
- Prior art keywords
- program control
- standard source
- data
- phase standard
- verification
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 18
- 238000004364 calculation method Methods 0.000 claims abstract description 7
- 238000012795 verification Methods 0.000 claims description 48
- 238000004891 communication Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a calibration system for a substation alternating-current sampling and measuring device. The calibration system comprises a program control three-phase standard source and a calibration computer, wherein the program control three-phase standard source and the calibration computer are connected with each other, the output end of the program control three-phase standard source is connected with the tested device, and output of the tested device is connected with the calibration computer. After relevant parameters are set on the calibration computer, calibration software issues a control instruction to drive the program control three-phase standard source, the program control three-phase standard source outputs alternating-current analog quantity according to the received control instruction, the program control three-phase standard source returns an output quantity numerical value to the calibration computer according to some protocol after output of the program control three-phase standard source is stable, the tested device outputs data to the calibration computer according to some protocol after data display of the tested device is stable, and the calibration software carries out error calculation according to the data returned by the program control three-phase standard source and the data returned by the tested device so that a report can be formed and archived. The calibration system for the substation alternating-current sampling and measuring device has the advantages that telemetering accuracy of the comprehensive and automatic substation measuring device can be automatically calibrated, efficiency of calibration work is improved, and the one-time accuracy rate is increased.
Description
Technical field
The present invention relates to a kind of transformer station AC sampling and measuring device check system, is a kind of equipment for electric substation automation system automatic Verification.
Background technology
Whether qualified safety, the reliability service level that is related to transformer station of remote measurement precision of integrated automation of transformation stations measurement and control unit, to guarantee the requisite measure that measurement and control unit remote measurement precision is qualified (state's network planning journey specifies the verification in each year of important remote measurement amount once, and general remote measurement amount verification in every 3 years once) and remote measurement precision is carried out to verification.With respect to traditional transmitter image data mode, the data acquisition in comprehensive automation system of transformer substation has adopted the sampling measurement technology (plant stand measurement and control unit belongs to the one of AC sampling and measuring device) in a large number.
What existing integrated automation of transformation stations measurement and control unit remote measurement precision checking was taked is that manual mode (manually arranges test parameters, manually record checking data, manually carry out error calculating), need 3-4 hour consuming time as carried out once complete verifying work according to code, not only working strength is large, efficiency is low, and the transmission data of plant stand end and dispatching terminal during verification " are manually put number ", cannot reflect system truth, particularly not refreshing for a long time of critical point amount, cause varitrol (AGC during verification, EMS) cannot play a role, as system occurs extremely at this moment, cannot judge in time abnormal, there is larger potential safety hazard in system operation.
If develop AC sampling and measuring device automatic checkout system and be applied to practice, to greatly reduce so verifying work amount, shorten checking time, reduce the impact on the normal operation of transformer station, and can improve standardization and the correctness of the work of remote measurement precision checking, these safety for system, reliability service have great importance.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of transformer station AC sampling and measuring device check system is provided, for the automatic Verification of integrated automation of transformation stations measurement mechanism remote measurement precision, improve the best flow process of robotization remote measurement precision checking work, simplify working method, reduced the unsafe factor in work.
According to technical scheme provided by the invention, described transformer station's AC sampling and measuring device check system comprises: interconnected program control three-phase standard source and verification computing machine, the output terminal of described program control three-phase standard source connects tested device, and the output of described tested device connects verification computing machine; On verification computing machine, arrange after correlation parameter, issue control command by verification software and drive program control three-phase standard source; Program control three-phase standard source, according to the control command output AC analog quantity of receiving, comprises three-phase current, voltage; After program control three-phase standard source stable output, output quantity numerical value is returned to verification computing machine by certain stipulations, after the demonstration of tested device data is stable, data are exported to verification computing machine by certain stipulations; Verification software carries out error calculating according to program control three-phase standard source return data and tested device return data, forms form and files.
Under closed loop test environment, verification computing machine sends the data to program control three-phase standard source by interface, the computing machine of verification simultaneously starts to send request data command to tested device by data acquisition module poll, program control three-phase standard source receives instruction and starts output, verification computing machine is waited for the data message that data acquisition module returns after program control three-phase standard source stable output, analyze data message by data analysis module, after discovery desired data changes, verification computing machine sends instructions under stopping, by data check module calculation check result, and by result output display; If do not collect delta data in the polling cycle of specifying, show overtime prompting interface.
After error has been calculated, verification software is consulted result of calculation automatic report generation for verification personnel, and form comprises every data and verification conclusion.
Native system adopts the form in dynamic load stipulations storehouse to carry out design apparatus stipulations, and the communication protocol of all tested device leaves in separately in a stipulations storehouse of verification computing machine, if need interpolation, amendment stipulations only to need separately stipulations library file to be modified.
Concrete, described stipulations comprise: 103 stipulations promulgated by the ministries or commissions of the Central Government, 101 stipulations promulgated by the ministries or commissions of the Central Government, southern auspicious relay protection network 103 stipulations, the auspicious scientific and technological electric substation automation system in south are expanded 103 stipulations.
Verification software provides two kinds of messages, and a kind of is communication packet between program and program control three-phase standard source, and a kind of is the communication packet of program and tested device, and two kinds of messages show and switch by radio button, message can be saved as to text simultaneously.
Advantage of the present invention is: the automatic Verification of having realized integrated automation of transformation stations measurement mechanism remote measurement precision, reduce the labour intensity of verifying work, the efficiency and the disposable accuracy rate that have improved verifying work, standardization, the standardization of the robotization verifying work of electric company are further strengthened.
Brief description of the drawings
Fig. 1 system architecture of the present invention and workflow schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, check system of the present invention comprises interconnected program control three-phase standard source and verification computing machine, and the output terminal of described program control three-phase standard source connects tested device, and the output of described tested device connects verification computing machine.The whole flow process of automatic Verification is as follows:
1. on verification computing machine, arrange after correlation parameter, issue control command by verification software and drive program control three-phase standard source.
2. program control three-phase standard source is according to the ac analog such as control command output three-phase current, voltage of receiving.
3. after program control three-phase standard source stable output, output quantity numerical value is returned to verification computing machine by a certain stipulations.
4. the demonstration of tested device data is exported to verification computing machine by data by a certain stipulations after stablizing.
5. verification software carries out error calculating according to program control three-phase standard source return data and tested device return data, forms form and files.
Verification software provides two kinds of messages, and a kind of is communication packet between program and program control three-phase standard source, and a kind of is the communication packet of program and tested device, and two kinds of messages show and switch by radio button, message can be saved as to text simultaneously.
Described program control three-phase standard source adopts 32 MCU+DSP processors, can be connected with PC by a RS232 interface, and possess open communications protocol.Program control three-phase standard source core is made up of signal generation plate and power amplifier, and wherein signal generation plate completes the kneading of waveform and the generation of original signal waveform, completes amplification and the driving to signal by power amplification plate.RS232 communication port not only for control command issue but also for exporting returning of data.After being connected by serial ports with verification computing machine, being connected between debugging software and program control three-phase standard source, use software control output.
Details are as follows in the work of system:
1. the analog quantity of check system is controlled output automatically.
Adopt program control three-phase standard source to realize the automatic control output of analog quantity, the output of analog quantity is carried out in the order that can issue according to corresponding software.Verification software possesses project management module, according to checkschema (comprise verification project, type, need get count, precision etc.) the program control three-phase standard source of transmitting order to lower levels control exports analog quantity successively.
2. check system gathers checking data automatically.
Under closed loop test environment, verification computing machine sends the data to program control three-phase standard source by interface, start to send request data command to tested ac sampling device by data acquisition module poll simultaneously, program control three-phase standard source receives instruction and starts output, verification computing machine is waited for the data message that (the individual event time is adjustable) harvester returns after program control three-phase standard source stable output, analyze data message by data analysis module, under stopping after discovery desired data changes, send instructions, data check module is according to RTU(Remote Terminal Unit) test error calculation check result, and by result output display.If do not collect delta data in the polling cycle of specifying, show overtime prompting interface.
3. the versatility of communication protocol.
System adopts the form in dynamic load stipulations storehouse to carry out design apparatus stipulations, and the communication protocol of all devices leaves in separately in a stipulations storehouse, if need to add, amendment stipulations only need separately library file to be modified.Data acquisition module is by the interface accessing providing in stipulations storehouse, under send instructions, stipulations are responsible for reception & disposal data message, and result is returned to data acquisition module.So just can solve neatly the versatility problem of stipulations.Stipulations of the present invention storehouse comprises: 103 stipulations promulgated by the ministries or commissions of the Central Government, 101 stipulations promulgated by the ministries or commissions of the Central Government, southern auspicious relay protection network 103 stipulations, the auspicious scientific and technological electric substation automation system in south are expanded 103 stipulations etc.
4. the automatic generation of the automatic calculating of remote measurement trueness error verification and verification report.
Check system collects after checking data, is carried out the calculating of fundamental error verification by verification software.After fundamental error has been calculated automatically, verification software is consulted result of calculation automatic report generation for verification personnel.Form should comprise every data and verification conclusion.
The present invention has broken through many limitation of conventional AC sampling and measuring device remote measurement precision checking work, open up the New methods in working of inspection work, significantly shorten checking time, reduce the impact on the normal operation of transformer station, improve supervision, the control ability of supervisory system to transformer station, very effectively ensured safety, the stable operation of electrical network during verification.Every measure and control device in the past/time verifying work needs two people to work 3.5 hours, and verifying work only needs two people's work to be no more than 10 minutes now, every measure and control device/time can save 2*200=400 minute nowadays.
System is supported the multiple communication protocols such as DL/T634.5101-2002, DL/T634.5104-2002, DL/T667-1999, IEC61850 or DL450-91.The communication protocol support of the main measure and control device manufacturer main product such as communication protocol database can provide the auspicious relay protection in south, southern auspicious science and technology, state's electricity south from, four directions, Beijing, south, Shenzhen is auspicious, Nan Rui is Sino-German.
Claims (6)
1. transformer station's AC sampling and measuring device check system, is characterized in that: comprise interconnected program control three-phase standard source and verification computing machine, the output terminal of described program control three-phase standard source connects tested device, and the output of described tested device connects verification computing machine; On verification computing machine, arrange after correlation parameter, issue control command by verification software and drive program control three-phase standard source; Program control three-phase standard source, according to the control command output AC analog quantity of receiving, comprises three-phase current, voltage; After program control three-phase standard source stable output, output quantity numerical value is returned to verification computing machine by certain stipulations, after the demonstration of tested device data is stable, data are exported to verification computing machine by certain stipulations; Verification software carries out error calculating according to program control three-phase standard source return data and tested device return data, forms form and files.
2. transformer station's AC sampling and measuring device check system as claimed in claim 1, it is characterized in that, under closed loop test environment, verification computing machine sends the data to program control three-phase standard source by interface, the computing machine of verification simultaneously starts to send request data command to tested device by data acquisition module poll, program control three-phase standard source receives instruction and starts output, verification computing machine is waited for the data message that data acquisition module returns after program control three-phase standard source stable output, analyze data message by data analysis module, after discovery desired data changes, verification computing machine sends instructions under stopping, by data check module calculation check result, and by result output display, if do not collect delta data in the polling cycle of specifying, show overtime prompting interface.
3. transformer station's AC sampling and measuring device check system as claimed in claim 1, it is characterized in that, adopt the form in dynamic load stipulations storehouse to carry out design apparatus stipulations, the communication protocol of all tested device leaves in separately in a stipulations storehouse of verification computing machine, if need interpolation, amendment stipulations only to need separately stipulations library file to be modified.
4. transformer station's AC sampling and measuring device check system as claimed in claim 1, is characterized in that, after error has been calculated, verification software is consulted result of calculation automatic report generation for verification personnel, and form comprises every data and verification conclusion.
5. as claim 1, described in 3, transformer station's AC sampling and measuring device check system, is characterized in that, described stipulations comprise: 103 stipulations promulgated by the ministries or commissions of the Central Government, 101 stipulations promulgated by the ministries or commissions of the Central Government, southern auspicious relay protection network 103 stipulations, the auspicious scientific and technological electric substation automation system in south are expanded 103 stipulations.
6. transformer station's AC sampling and measuring device check system as claimed in claim 1, it is characterized in that, described verification software provides two kinds of messages, a kind of is communication packet between program and program control three-phase standard source, a kind of is the communication packet of program and tested device, two kinds of messages demonstrations are switched by radio button, message can be saved as to text simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450078.3A CN104181489A (en) | 2014-09-04 | 2014-09-04 | Calibration system for substation alternating-current sampling and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450078.3A CN104181489A (en) | 2014-09-04 | 2014-09-04 | Calibration system for substation alternating-current sampling and measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104181489A true CN104181489A (en) | 2014-12-03 |
Family
ID=51962691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410450078.3A Pending CN104181489A (en) | 2014-09-04 | 2014-09-04 | Calibration system for substation alternating-current sampling and measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104181489A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219487A (en) * | 2017-07-14 | 2017-09-29 | 国家电网公司 | A kind of table source integrates formula electrical devices verification platform |
| CN109164404A (en) * | 2018-08-10 | 2019-01-08 | 烽火通信科技股份有限公司 | The system and method that sample circuit in circuit board is calibrated automatically |
| CN112924915A (en) * | 2021-01-27 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Mutual calibration system and method for voltage monitor |
-
2014
- 2014-09-04 CN CN201410450078.3A patent/CN104181489A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219487A (en) * | 2017-07-14 | 2017-09-29 | 国家电网公司 | A kind of table source integrates formula electrical devices verification platform |
| CN109164404A (en) * | 2018-08-10 | 2019-01-08 | 烽火通信科技股份有限公司 | The system and method that sample circuit in circuit board is calibrated automatically |
| CN109164404B (en) * | 2018-08-10 | 2020-12-01 | 烽火通信科技股份有限公司 | System and method for automatically calibrating sampling circuit in circuit board |
| CN112924915A (en) * | 2021-01-27 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Mutual calibration system and method for voltage monitor |
| CN112924915B (en) * | 2021-01-27 | 2023-11-21 | 云南电网有限责任公司电力科学研究院 | Mutual calibration system and method for voltage monitors |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103529417B (en) | A kind of distribution line failure indicator automatic checkout system | |
| CN103076520A (en) | Dynamic analogue simulation detection platform and analogue simulation method for secondary system of intelligent substation | |
| CN104165660B (en) | A kind of distribution transforming intelligent monitoring terminal calculating winding temperature | |
| CN103901390B (en) | The resource integrated pick-up unit of table detected for digitalized electrical energy meter and detection method | |
| CN108512730B (en) | Intelligent substation telecontrol system equipment testing method, device and system | |
| CN204291050U (en) | A kind of dispatching and monitoring information check system | |
| CN103885438A (en) | Automatic test system and method for transformer substation measurement and control device | |
| CN110766263B (en) | Automatic acceptance method for secondary equipment of transformer substation and terminal equipment | |
| CN105403793A (en) | Automatic transformer station digital relay protection tester | |
| CN102593955B (en) | Comprehensive intelligent time frequency testing system and testing method | |
| CN104062617B (en) | Combining unit meter characteristic filed detection system and method thereof | |
| CN106921522A (en) | Intelligent substation network message record analysis device networked information model inspection device | |
| CN105301552A (en) | Electric energy metering device online verification system | |
| KR101174254B1 (en) | Meter Data Management System for Smart Grid | |
| CN104181489A (en) | Calibration system for substation alternating-current sampling and measuring device | |
| CN110611312A (en) | On-line simulation system and method for panoramic data of substation bay level | |
| CN204679570U (en) | Secondary equipment of intelligent converting station Commissioning Analysis platform | |
| CN106647582B (en) | Energy control and management device, method and system | |
| CN204044347U (en) | Transformer station's AC sampling and measuring device check system | |
| CN206892220U (en) | A kind of equipment for monitoring power quality | |
| CN109613354A (en) | A kind of power quality wireless monitor system and its monitoring method | |
| CN105006891A (en) | On-line visual remote control terminal and method used for transformer station background upgrading | |
| CN104502748A (en) | Transformer station integrated automatic test system | |
| CN103837854A (en) | Digital electric energy meter calibration device based on FT3 interface | |
| CN204302385U (en) | A kind of measurement mechanism of apparatus insulated performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141203 |