CN103245930B - A kind of moveable three-phase combination transformer warehouse district verification system - Google Patents
A kind of moveable three-phase combination transformer warehouse district verification system Download PDFInfo
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- 238000007726 management method Methods 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 13
- 238000013523 data management Methods 0.000 claims description 12
- 238000007619 statistical method Methods 0.000 claims description 8
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Abstract
A kind of moveable three-phase combination transformer warehouse district verification system, this system comprises removable threephase current transformer calibrating installation (1), removable threephase potential transformer calibrating installation (2), removable insulation resistance automatic calibrator (3), back-stage management platform (4) and divides the warehouse district (5) having two-dimensional grid; Tested equipment is placed on to divide to be had in the warehouse district of two-dimensional grid, and the tested equipment of every platform accounts for a grid; Removable threephase current transformer calibrating installation, removable threephase potential transformer calibrating installation and removable insulation resistance automatic calibrator, dividing the warehouse district calibrating region having two-dimensional grid, can move to tested equipment side as required and examine and determine tested equipment; Removable threephase current transformer calibrating installation, removable threephase potential transformer calibrating installation and removable insulation resistance automatic calibrator carry out data communication by Zigbee wireless communication module and backstage.The present invention is applicable to three-phase combination transformer storage calibrating.
Description
Technical field
The present invention relates to a kind of moveable three-phase combination transformer warehouse district verification system, belong to electric-power metering technical field.
Background technology
Three-phase combination transformer as shown in Figure 1, be made up of threephase current transformer and threephase potential transformer, its principle and wiring as shown in Figure 2, for the electric energy metrical (being called for short: batch meter) to large-scale power user, are the mandatory calibrating measurement instruments that country's " measurement Law " specifies.By regulatory requirements, need the projects such as the outward appearance to three-phase combination transformer, voltage transformer (VT) fundamental error, current transformer fundamental error, insulation resistance, magnetic saturation nargin to examine and determine, three-phase combination transformer must be carried to during the calibrating of existing method ct calibrating laboratory by platform item by item order carry out.Bulky due to three-phase combination transformer Heavy Weight (heavily about about 500kg), and existing ct calibrating laboratory does not all configure hoisting facilities, low by manpower movement three-phase combination transformer efficiency, labour intensity is large, safety coefficient is low.Therefore research and develop one and can meet code technical requirement, in the three-phase combination transformer verification system of three-phase combination transformer warehouse district movement to the above-mentioned situation of change, Practical significance can be had again.
Summary of the invention
The object of patent of the present invention is, all hoisting facilities is not configured in order to solve current domestic existing ct calibrating laboratory, low by manpower movement three-phase combination transformer efficiency, labour intensity is large, the problems such as safety coefficient is low, three-phase combination transformer is carried to laboratory from warehouse district examine and determine, again the three-phase combination transformer after calibrating is carried back the tradition calibrating pattern of warehouse district from laboratory, changing into ct calibrating equipment de-sign is packaged type calibrating installation, by back-stage management platform management, to the three-phase combination transformer of warehouse district by platform item by item order examine and determine, portable prover is communicated by radio communication (as Zigbee) mode with back-stage management platform, transmission three-phase combination transformer name plate information, calibrating data, the information such as warehouse district deposit position 2-D data.The invention provides the novel verification system of three-phase combination transformer be made up of the removable calibrating installation of each calibrating project and back-stage management platform; And provide the general calibrating software flow of the removable calibrating installation of a kind of each calibrating project and a kind of back-stage management platform calibrating software flow; Provide a kind of composition structure of back-stage management platform and relevant data structure simultaneously.
Realizing technical scheme of the present invention is, the present invention's moveable three-phase combination transformer warehouse district verification system comprises the warehouse district that removable threephase current transformer automatic calibrator, removable threephase potential transformer automatic calibrator, removable insulation resistance automatic calibrator, back-stage management platform and division have two-dimensional grid; Tested equipment is placed on arbitrarily to divide to be had in the warehouse district of two-dimensional grid, and the tested equipment of every platform accounts for a grid; Removable threephase current transformer automatic calibrator, removable threephase potential transformer automatic calibrator and removable insulation resistance automatic calibrator are placed in the calibrating region dividing and have the warehouse district of two-dimensional grid, can move to tested equipment side as required and examine and determine tested equipment; Removable threephase current transformer automatic calibrator, removable threephase potential transformer automatic calibrator and removable insulation resistance automatic calibrator carry out wireless data communication by the Zigbee wireless communication module on it and back-stage management platform.
Removable threephase current transformer automatic calibrator can complete the visual examination of combination transformer, the fundamental error of threephase current transformer detects, magnetic saturation nargin detects; Removable threephase potential transformer calibrating installation can complete the visual examination of combination transformer, the fundamental error of threephase potential transformer detects; Removable insulation resistance calibrating installation can complete visual examination, the insulation resistance detection of combination transformer; The calibrating data of each removable calibrating installation transmission are in charge of by back-stage management platform, and control verification process, and the visual examination of every platform three-phase combination transformer only carries out one time.
Back-stage management platform is made up of equipment calibration system, data management system, statistical analysis system, information output system.Equipment calibration system is responsible for control and management equipment verification process, is obtained complete equipment calibrating information; The calibrating information of equipment has been examined in data management system management, ensures the true, complete of calibrating data; Statistical analysis system carries out statistical study to examining device data, provides user to inquire about passage; Information output system is responsible for calibration certificate printing preservation, the packing of calibrating finish message transfers to SG186 system.
The invention has the beneficial effects as follows, threephase current transformer can be realized in the calibrating of three-phase combination transformer warehouse district, save manpower, improve calibrating efficiency and safety coefficient, reduce labour intensity.Have that method is succinct, economy, science, practicality, workable, low cost and other advantages.
The present invention is applicable to three-phase combination transformer storage calibrating.
Accompanying drawing explanation
Fig. 1 is three-phase combination transformer outside drawing;
Fig. 2 is three-phase combination transformer principle and wiring diagram;
Fig. 3 three-phase combination transformer warehouse district verification system structural drawing;
Fig. 4 is back-stage management platform composition structural drawing;
Fig. 5 warehouse district three-phase combination transformer back-stage management platform verifying process flow figure;
Fig. 6 warehouse district respectively examines and determine the general verifying process flow figure of the removable calibrating installation of project;
Picture in picture number represents with symbol: 1 is removable threephase current transformer automatic calibrator; 2 is removable threephase potential transformer automatic calibrators; 3 is removable insulation resistance automatic calibrators; 4 is back-stage management platforms; 5 is the tested device Grids of warehouse district; A, B, C are respectively A phase, B phase, C phase wire of three-phase combination transformer; P
1, P
2be respectively A phase, B phase, C phase current mutual inductor wire polar terminals; a
s1, a
s2, b
s1, b
s2, c
s1, c
s2be respectively the secondary polarity terminal of A phase, B phase, C phase current mutual inductor; A, b, c, n are respectively A phase, B phase, the secondary terminals of C phase voltage mutual inductor and secondary neutral connection terminal thereof; Zigbee is wireless communication module; 1T
1~ nT
nfor warehouse district n × n platform three-phase combination transformer; SG186 is State Grid Corporation of China's electrical supplying market management system.
Embodiment
The specific embodiment of the present invention as shown in Figure 3 and Figure 4.
As shown in Figure 3, the present embodiment moveable three-phase combination transformer warehouse district verification system comprises removable threephase current transformer automatic calibrator 1, removable threephase potential transformer automatic calibrator 2, removable insulation resistance automatic calibrator 3, back-stage management platform 4 and divides the warehouse district having two-dimensional grid; Tested equipment is placed on arbitrarily to divide to be had in the warehouse district of two-dimensional grid, and the tested equipment of every platform accounts for a grid, i.e. the tested device Grid 5 of warehouse district.Removable threephase current transformer automatic calibrator 1, removable threephase potential transformer automatic calibrator 2 and removable insulation resistance automatic calibrator 3 are placed in the calibrating region dividing and have the warehouse district of two-dimensional grid, can move to as required by tested equipment, tested equipment is detected or examined and determine.Removable threephase current transformer automatic calibrator 1, removable threephase potential transformer automatic calibrator 2 and removable insulation resistance automatic calibrator 3 carry out wireless data communication by the Zigbee wireless communication module of Zigbee wireless communication module disposed thereon and back-stage management platform.
As shown in Figure 4, back-stage management platform is made up of equipment calibration system, data management system, statistical analysis system, information output system warehouse district three-phase combination transformer back-stage management platform structure.Equipment calibration system is responsible for control and management equipment verification process, is obtained complete equipment calibrating information, and calibrating information is delivered to data management system; The calibrating information of equipment has been examined in data management system management, ensures the true, complete of calibrating data, then data is divided and give statistical analysis system and information output system; Statistical analysis system carries out statistical study to examining device data, provides user to inquire about passage; Information output system is responsible for calibration certificate printing preservation, the packing of calibrating finish message transfers to SG186 system.
The verifying process flow of equipment calibration system as shown in Figure 6, it needs the equipment calibrating information obtained in verification process to comprise standard device parameter, tested device parameter, calibrating data, other parameters etc., creates the object variable storing these information respectively when starting certain combination transformer calibrating.Standard device parameter examined and determine item input by artificial from front end display interface equipment according to the standard device of actual installation on each removable calibrating installation before calibrating, standard device parameter information is as shown in table 1, and the accurate device parameter of every station symbol comprises standard device title, model/specification, class of accuracy, certificate number etc.; Other parameters comprise environment temperature, ambient humidity, calibrating place, calibrating date, testing person etc., according to actual conditions also by manually inputting, during each calibrating, after being stored by the parameter manually inputted, may be used for calibrating multiple stage combination transformer, therefore ct calibrating efficiency can not be affected; Tested device parameter (see table 2) when tested equipment appearance checks by removable calibrating installation identification after be delivered to back-stage management platform; Calibrating data are (see table 3, mutual inductor positional information is also comprised when reality is examined and determine) obtain in verification process, when all information is complete, all calibrating information integration to object variables are stored by data management system, as the verification result of the tested equipment of correspondence by equipment calibration system.
Data management system is responsible for checking verification result information integrity, standardization, the verification result meeting specification is stored among database, each verification result is containing whether effective sign, usually the data be stored in data management system are all effective, effective data can read, when data integrity is damaged or need to modify to the parameter of verification result, effectively be denoted as no, data can be modified, calibrating data in verification result can not be revised, to ensure to examine and determine the true and reliable of data.
Statistical analysis system reads calibrating data from data management system, carry out statistical study, the mutual inductor substandard product such as adding up which producer is in the majority, transformer error level etc., this system is open system, can again develop, to make whole back-stage management platform possess more function of statistic analysis, the result of statistical study can be shown by front end display interface.
Information output system is responsible for probation redport management and verification result exports SG186 system to, probation redport form is by being kept in system after engineer, when needs print probation redport, information output system reads the verification result for equipment from data management system, inserted in set form probation redport, then export with the form of .word file, the report that simultaneity factor back-up storage has produced.Verification result is delivered to SG186 system by prescribed form by information output system simultaneously timing.
Table 1 standard device parameter
The tested device parameter of table 2
Data examined and determine by table 3
The verifying process flow broadly similar of each removable calibrating installation of warehouse district three-phase combination transformer, just the content of calibrating is different, and each removable calibrating installation carries out examining and determine item by item by platform to the three-phase combination transformer of warehouse district.The program of removable calibrating installation calibrating first scans the bar code be attached on tested device, then inquire that the whether existing effect of the test item of this calibrating installation of the tested equipment of this bar code detects to backstage management platform, if do not detect, then detect, otherwise direct detection of end.First carry out visual examination judgement during detection, if visual examination is qualified, then carry out follow-up calibrating, otherwise terminate calibrating.
1, the equipment under test in warehouse district grid is detected
Removable threephase current transformer calibrating installation carries out visual examination to the current transformer in warehouse district grid, the fundamental error of current transformer detects, magnetic saturation nargin detects; Removable threephase potential transformer calibrating installation carries out visual examination to the voltage transformer (VT) in warehouse district grid, the fundamental error of voltage transformer (VT) detects; Removable insulation resistance calibrating installation carries out visual examination to the insulation resistance in warehouse district grid, insulation resistance detects; Result after inspection is sent to by Zigbee wireless communication module the calibrating data that each removable calibrating installation transmission is in charge of by back-stage management backstage management of platform platform, and verification process is controlled, the visual examination of every platform three-phase combination transformer only carries out one time.
2, the equipment under test in warehouse district grid is inquired about
After tested device enters arbitrary grid of the warehouse district of two-dimensional grid, stick bar code, the information such as the title of this equipment, model, specification and the two-dimensional position at warehouse district place and verification result are sent to back-stage management platform by Zigbee wireless communication module by calibrating installation, establish the registered permanent residence archives of this equipment.Once need to inquire about this equipment, only need scanning bar code, this tested device can be found immediately at the particular location of warehouse district, whether by calibrating, verification result etc. by back-stage management platform.
Claims (1)
1. a moveable three-phase combination transformer warehouse district verification system, it is characterized in that, described system comprises the warehouse district that removable threephase current transformer automatic calibrator, removable threephase potential transformer automatic calibrator, removable insulation resistance automatic calibrator, back-stage management platform and division have two-dimensional grid; Tested equipment is placed on arbitrarily to divide to be had in the warehouse district of two-dimensional grid, and the tested equipment of every platform accounts for a grid; Removable threephase current transformer automatic calibrator, removable threephase potential transformer automatic calibrator and removable insulation resistance automatic calibrator are placed in the calibrating region dividing and have the warehouse district of two-dimensional grid, can move to tested equipment side as required and examine and determine tested equipment; Removable threephase current transformer automatic calibrator, removable threephase potential transformer automatic calibrator and removable insulation resistance automatic calibrator carry out wireless data communication by the Zigbee wireless communication module on it and back-stage management platform;
Described back-stage management platform is made up of equipment calibration system, data management system, statistical analysis system, information output system; Equipment calibration system is responsible for control and management equipment verification process, is obtained complete equipment calibrating information; The calibrating information of equipment has been examined in data management system management, ensures the true, complete of calibrating data; Statistical analysis system carries out statistical study to examining device data, provides user to inquire about passage; Information output system is responsible for calibration certificate printing preservation, the packing of calibrating finish message transfers to SG186 system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310173064.7A CN103245930B (en) | 2013-05-13 | 2013-05-13 | A kind of moveable three-phase combination transformer warehouse district verification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310173064.7A CN103245930B (en) | 2013-05-13 | 2013-05-13 | A kind of moveable three-phase combination transformer warehouse district verification system |
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| CN103245930A CN103245930A (en) | 2013-08-14 |
| CN103245930B true CN103245930B (en) | 2015-09-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340454Y (en) * | 2009-02-05 | 2009-11-04 | 江苏省电力试验研究院有限公司 | High pressure mutual inductor mobile laboratory |
| CN201497802U (en) * | 2009-07-28 | 2010-06-02 | 山西省电力公司电力科学研究院 | High-voltage three-phase combined mutual inductor testing device |
| CN201673249U (en) * | 2010-05-20 | 2010-12-15 | 云南电力试验研究院(集团)有限公司 | Vehicle-mounted high-voltage metering automatic test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7030602B2 (en) * | 2004-02-04 | 2006-04-18 | Kuhlman Electric Corporation | Testing of current transformers |
-
2013
- 2013-05-13 CN CN201310173064.7A patent/CN103245930B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340454Y (en) * | 2009-02-05 | 2009-11-04 | 江苏省电力试验研究院有限公司 | High pressure mutual inductor mobile laboratory |
| CN201497802U (en) * | 2009-07-28 | 2010-06-02 | 山西省电力公司电力科学研究院 | High-voltage three-phase combined mutual inductor testing device |
| CN201673249U (en) * | 2010-05-20 | 2010-12-15 | 云南电力试验研究院(集团)有限公司 | Vehicle-mounted high-voltage metering automatic test device |
Non-Patent Citations (1)
| Title |
|---|
| 一体式低压电流互感器自动检定系统的研制;侯兴哲等;《自动化仪器仪表》;20130131;121-122 * |
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