CN103676890A - Automatic calibrating device of comprehensive protection system - Google Patents
Automatic calibrating device of comprehensive protection system Download PDFInfo
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- CN103676890A CN103676890A CN201310699646.9A CN201310699646A CN103676890A CN 103676890 A CN103676890 A CN 103676890A CN 201310699646 A CN201310699646 A CN 201310699646A CN 103676890 A CN103676890 A CN 103676890A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an automatic calibrating device of a comprehensive protection system. The automatic calibrating device comprises a transformer linear power supply module, a liquid crystal screen module, a precision alternating voltage sampling module, a system IO control module, an electric energy conversion module, a main system module, a keyboard module, a precision alternating current sampling and gear switching module and an electric energy inputting and outputting module. After being tested in manufacturing and using, the automatic calibrating device of the comprehensive protection system is proven to be convenient to use, practical, rapid and efficient. The working efficiency of calibrating personnel is greatly improved and workloads of the calibrating personnel are reduced. The automatic calibrating device of the comprehensive protection system is checked and discriminated to conform to 0.05 class standards by the China Jiangsu Province metering institute.
Description
Technical field
The invention belongs to electrical measurement metering field, relate in particular to and a kind ofly can measure to protective device the automation calibrating device of verification.
Background technology
In recent years, raising along with the developing rapidly of power grid construction, automaticity, the kind of plant stand end dispatching automation equipment is more and more extensive with application, dispatching centers at different levels require more information, to grasp in time the ruuning situation of electrical network and transformer station, improve the controllability of transformer station, improve reliability of operation.For these reasons, the automation of transformation substations has turned to practical stage by " hot issue ", power industry the departments concerned is applied to Operation of Electric Systems the automation of transformation substations as new technology innovation means, Ge great specialized factory also the exploitation of electric substation automation system as focus development project, constantly improve the comprehensive automation system of transformer substation that correspondingly release differs from one another, to meet the requirement in electric system.Yet whether the indexs such as the remote measurement precision of comprehensive automation system of transformer substation, SOE resolution, remote signalling sampling, snowslide test meet rules requirement, it is the key of weighing complex automatic system; Also be that can check complex automatic system reflect first and second device action situation in power grid accident situation correctly, comprehensively, guarantee remote measurement measuring accuracy, avoid one of means of remote signalling loss; Check especially whether reliably necessary condition of operation of power networks.At present, in the onsite acceptance and period measuring of complex automatic system, owing to lacking testing apparatus, to index of correlation, cannot test, this project implementation, can solve this root problem and therefore develop a special testing tool for transformer station's integrated system, integrate AC/DC standard source, multi-way switching values I/O interface, gps clock module I RIG-B code to time the function such as module, by supporting upper computer software, can realize the full-automatic testing of the functional modules such as remote measurement, remote signalling, remote control, SOE, the same period.Solution is sampled index without the problem that quantizes means of testing to measuring accuracy, SOE resolution, remote signalling in comprehensive automation system of transformer substation is checked and accepted; Avoid in power grid accident situation, because Equipment causes, remote measurement precision is inaccurate, the loss of remote signalling, guarantees that the accuracy of dispatch automated system remote signalling action message, reliability are just extremely urgent.
Summary of the invention
The defect existing for prior art, the invention provides a kind of comprehensive insurance system automation calibrating device, to meet the automatic Verification demand of comprehensive protector, and realizes a plurality of devices simultaneously and automatically measures verification.And broken through in class of accuracy and electric current and voltage amount limit.
A comprehensive insurance system automation calibrating device, comprises the linear power module of transformer, liquid crystal screen module, accurate alternating voltage sampling module, system IO control module, electric energy conversion module, main system module, Keysheet module, the sampling of accurate alternating current and gear switch module, electric energy input/output module; The power output end of the linear power module of described transformer be connected in parallel the power input, the power input of system IO control module, the power input of the power input of electric energy conversion module, main system module, the sampling of precision DC electric current and voltage of the power input of liquid crystal screen module, the sampling of accurate alternating voltage and gear switch module with the power input of gear switch module, the power input of electric energy input/output module; The liquid crystal signal output part of described main system module connects the signal input part of liquid crystal screen module; The alternating voltage input end of analog signal of described main system module connects the alternating voltage analog signal output of accurate alternating voltage sampling and gear switch module; The control signal wire of described main system module connects the control signal interface of accurate alternating voltage sampling and gear switch module; The alternating current input end of analog signal of described main system module connects the alternating current analog signal output of accurate alternating current sampling and gear switch modular system IO control module; The control signal wire of described main system module connects the control signal interface of accurate alternating current sampling and gear switch modular system IO control module; The electric power signal line of described main system module connects the electric power signal interface of electric energy input/output module; The Keyboard Control signal wire of described main system module connects the keyboard signal interface of Keysheet module; The SPI communication interface of the SPI connection welding system IO module of described main system module; The signal input part of described system IO module connects the signal output part of electric energy conversion module.
The linear Power supply functional module of HJ8 type transformer that the linear power module of above-mentioned transformer adopts Suzhou Western Hills mutual inductor Science and Technology Development Co., Ltd. to produce.
Above-mentioned liquid crystal screen module is comprised of 5.7 cun of VGA color screens of NEC Corporation and inverter backlight module.
The UPR-UPSC type alternating voltage sampling functions module that above-mentioned accurate alternating voltage sampling and gear switch module adopt Shenzhen Yi Jie Electronics Co., Ltd. to produce.
The ARM control system IO functional module that said system IO control module adopts NXP company to produce.
The 74HC595 type signal conversion module that above-mentioned electric energy conversion module adopts STMicroelectronics company to produce.
The acquisition module composition that the DSP ADIBF532 system module that above-mentioned main system module YouADI company produces and AD7688 form.
Above-mentioned Keysheet module is comprised of facial mask and shell fragment button.
The UPRNS-UPRND type alternating current sampling functions module that above-mentioned accurate alternating current sampling and gear switch module adopt Shenzhen Yi Jie Electronics Co., Ltd. to produce.
The HCPL-665KR type high speed optoelectronic isolation features module that above-mentioned electric energy input/output module adopts Avago Technologies to produce.
The present invention compared with prior art useful effect is: the present invention is through manufacturing experimently convenient and practical, the quickness and high efficiency that is proved to be on probation, greatly improved checker's work efficiency, alleviated its workload, through the check of Jiangsu Province, China metering institute, identified and meet 0.05 classification standard.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a specific embodiment of Multi-function ac/dc electrical measurement instrument of the present invention, in figure, is denoted as:
The linear power module of 1-transformer,
2-liquid crystal screen module,
The accurate alternating voltage sampling of 3-and gear switch module,
4-system io control module,
5-electric energy conversion module,
6-main system module,
7-Keysheet module,
The accurate alternating current sampling of 8-and gear switch module,
9-electric energy input/output module.
Embodiment
Referring to Fig. 1, a comprehensive insurance system automation calibrating device, comprises the linear power module 1 of transformer, liquid crystal screen module 2, the sampling of accurate alternating voltage and gear switch module 3, system IO control module 4, electric energy conversion module 5, main system module 6, Keysheet module 7, the sampling of accurate alternating current and gear switch module 8, electric energy input/output module 9.Wherein the power output end of the linear power module 1 of transformer be connected in parallel the power input of liquid crystal screen module 2, the sampling of accurate alternating voltage with the power input of gear switch module 3, the power input of the power input of system IO control module 4, electric energy conversion module 5, the power input of main system module 6, the sampling of precision DC electric current and voltage with the power input of gear switch module 8, the power input of electric energy input/output module 9.The liquid crystal signal output part of main system module 6 connects the signal input part of color liquid crystal panel module 2; The alternating voltage input end of analog signal of main system module 6 connects the alternating voltage analog signal output of accurate alternating voltage sampling and gear switch module 3; The control signal wire of main system module 6 connects the control signal interface of accurate alternating voltage sampling and gear switch module 3; The alternating current input end of analog signal of main system module 6 connects the alternating current analog signal output of accurate alternating current sampling and gear switch modular system IO control module 4; The control signal wire of main system module 6 connects the control signal interface of accurate alternating current sampling and gear switch modular system IO control module 4; The electric power signal line of main system module 6 connects the electric power signal interface of electric energy input/output module 6; The Keyboard Control signal wire of main system module 6 connects the keyboard signal interface of Keysheet module 7; The English full name of SPI(of main system module 6 is the abbreviation of Serial Peripheral Interface, and its Chinese translation is serial peripheral interface.) the SPI communication interface of connection welding system IO module 4.The signal input part of system IO module 4 connects the signal output part of electric energy conversion module 5.
The present invention combines the linear Power supply functional module of HJ8 type transformer of the linear power module of the transformer 1 Chinese Suzhou of the employing Western Hills mutual inductor Science and Technology Development Co., Ltd. production of this embodiment of insurance system automatic calibration.5.7 cun of VGA Presentation Function modules that liquid crystal screen module 2 adopts NEC Corporation to produce.UPR-UPSC type alternating voltage sampling functions module, UPRNS-UPRND type alternating current sampling functions module that accurate alternating voltage sampling and gear switch module 3, the sampling of accurate alternating current and gear switch module 8 adopt respectively China Shenzhen Yi Jie Electronics Co., Ltd. to produce successively.The DSP ac control system functional module that main system module 6 adopts ADI company to produce.The HCPL-665KR type high speed optoelectronic isolation features module that electric energy input/output module 9 adopts Avago Technologies to produce.The film-type key-press module that Keysheet module 7 adopts Nanjing of China Ran Di Electronic Science and Technology Co., Ltd. to produce.Electric energy conversion module 6 adopts
sTMicroelectronicsthe 74HC595 type signal conversion module that company produces.The ARM control system IO functional module that system IO module 4 adopts NXP company to produce.
Principle of work of the present invention is, the many taps Industrial Frequency Transformer by civil power 220V by the linear power module of transformer is lower voltage, then produces the required power supply of modules through the AC/DC module of the linear power module of transformer.The English full name of DSP(in main system module is the abbreviation of Digital Signal Processor, and its Chinese translation is digital signal processor.) be embedded in real time operating system, the scanning of supervisory keyboard module, controlling color liquid crystal panel module shows, the output of control signal waveform, also control alternating voltage data acquisition and gear switch simultaneously, control alternating current data acquisition and gear and change, and by calculating alternating voltage electric current True Data and showing.And the embedded real-time system of system IO module gathers external signal, and carry out data processing, data are sent on dsp system and are shown in real time by SPI communication modes the most at last.Come therefrom, comprehensive automation protection calibrating installation of the present invention is broken through in class of accuracy and electric current and voltage amount limit, and class of accuracy reaches 0.05 grade.In its internal algorithm, adopt vector Sampling techniques, greatly improved acquisition phase degree of accuracy.
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its embodiment, structure, feature and effect thereof to proposing according to the present invention, be described in detail as follows.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a comprehensive insurance system automation calibrating device, is characterized in that comprising the linear power module of transformer, liquid crystal screen module, accurate alternating voltage sampling module, system IO control module, electric energy conversion module, main system module, Keysheet module, the sampling of accurate alternating current and gear switch module, electric energy input/output module; The power output end of the linear power module of described transformer be connected in parallel the power input, the power input of system IO control module, the power input of the power input of electric energy conversion module, main system module, the sampling of precision DC electric current and voltage of the power input of liquid crystal screen module, the sampling of accurate alternating voltage and gear switch module with the power input of gear switch module, the power input of electric energy input/output module; The liquid crystal signal output part of described main system module connects the signal input part of liquid crystal screen module; The alternating voltage input end of analog signal of described main system module connects the alternating voltage analog signal output of accurate alternating voltage sampling and gear switch module; The control signal wire of described main system module connects the control signal interface of accurate alternating voltage sampling and gear switch module; The alternating current input end of analog signal of described main system module connects the alternating current analog signal output of accurate alternating current sampling and gear switch modular system IO control module; The control signal wire of described main system module connects the control signal interface of accurate alternating current sampling and gear switch modular system IO control module; The electric power signal line of described main system module connects the electric power signal interface of electric energy input/output module; The Keyboard Control signal wire of described main system module connects the keyboard signal interface of Keysheet module; The SPI communication interface of the SPI connection welding system IO module of described main system module; The signal input part of described system IO module connects the signal output part of electric energy conversion module.
2. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that the linear Power supply functional module of HJ8 type transformer that the linear power module of described transformer adopts Suzhou Western Hills mutual inductor Science and Technology Development Co., Ltd. to produce.
3. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that described liquid crystal screen module is comprised of 5.7 cun of VGA color screens of NEC Corporation and inverter backlight module.
4. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that the UPR-UPSC type alternating voltage sampling functions module that described accurate alternating voltage sampling and gear switch module adopt Shenzhen Yi Jie Electronics Co., Ltd. to produce.
5. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that the ARM control system IO functional module that described system IO control module adopts NXP company to produce.
6. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that the 74HC595 type signal conversion module that described electric energy conversion module adopts STMicroelectronics company to produce.
7. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that the acquisition module composition that DSP ADIBF532 system module that described main system module YouADI company produces and AD7688 form.
8. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that described Keysheet module is comprised of facial mask and shell fragment button.
9. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that the UPRNS-UPRND type alternating current sampling functions module that described accurate alternating current sampling and gear switch module adopt Shenzhen Yi Jie Electronics Co., Ltd. to produce.
10. a kind of comprehensive insurance system automation calibrating device according to claim 1, is characterized in that the HCPL-665KR type high speed optoelectronic isolation features module that described electric energy input/output module adopts Avago Technologies to produce.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310699646.9A CN103676890A (en) | 2013-12-18 | 2013-12-18 | Automatic calibrating device of comprehensive protection system |
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| CN201310699646.9A CN103676890A (en) | 2013-12-18 | 2013-12-18 | Automatic calibrating device of comprehensive protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174574A (en) * | 2019-06-20 | 2019-08-27 | 江苏方天电力技术有限公司 | Integrated protection and monitoring device electrical measurement calibrating installation and electric flux calibration method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020057544A1 (en) * | 2000-10-06 | 2002-05-16 | Hideaki Sugiura | Digital protective relay system |
| CN101344552A (en) * | 2008-08-15 | 2009-01-14 | 安徽理工大学 | Grid system integrated protector tester |
| CN201797309U (en) * | 2010-07-16 | 2011-04-13 | 南京浩昇鼎晔软件有限公司 | Integrated protection, measurement and control device |
| CN102998648A (en) * | 2012-12-13 | 2013-03-27 | 湖南省电力公司科学研究院 | Multifunctional electric meter for alternating and direct currents |
| CN103092184A (en) * | 2012-12-28 | 2013-05-08 | 安徽鑫龙电器股份有限公司 | Automatic test board of integrated protection and monitoring device |
-
2013
- 2013-12-18 CN CN201310699646.9A patent/CN103676890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020057544A1 (en) * | 2000-10-06 | 2002-05-16 | Hideaki Sugiura | Digital protective relay system |
| CN101344552A (en) * | 2008-08-15 | 2009-01-14 | 安徽理工大学 | Grid system integrated protector tester |
| CN201797309U (en) * | 2010-07-16 | 2011-04-13 | 南京浩昇鼎晔软件有限公司 | Integrated protection, measurement and control device |
| CN102998648A (en) * | 2012-12-13 | 2013-03-27 | 湖南省电力公司科学研究院 | Multifunctional electric meter for alternating and direct currents |
| CN103092184A (en) * | 2012-12-28 | 2013-05-08 | 安徽鑫龙电器股份有限公司 | Automatic test board of integrated protection and monitoring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174574A (en) * | 2019-06-20 | 2019-08-27 | 江苏方天电力技术有限公司 | Integrated protection and monitoring device electrical measurement calibrating installation and electric flux calibration method |
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Application publication date: 20140326 |