CN104090183A - Fault diagnosis system of transformer substation intelligent protection device - Google Patents
Fault diagnosis system of transformer substation intelligent protection device Download PDFInfo
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- CN104090183A CN104090183A CN201410301172.2A CN201410301172A CN104090183A CN 104090183 A CN104090183 A CN 104090183A CN 201410301172 A CN201410301172 A CN 201410301172A CN 104090183 A CN104090183 A CN 104090183A
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Abstract
A fault diagnosis system of a transformer substation intelligent protection device comprises an intelligent terminal, a merging unit, a protection device and a network analyzer, wherein the intelligent terminal is connected with transformer substation primary equipment, the merging unit is connected with transformer substation secondary equipment, the protection device is respectively connected with the intelligent terminal and the merging unit through optical fibers, and the network analyzer is respectively connected with the protection device through an optical fiber. Except that optical fiber links accessed to the intelligent terminal and the merging unit are arranged on the protection device, the fault diagnosis system is further provided with an optical fiber link specially connected with the network analyzer, and fault diagnosis and quick positioning on the protection device are achieved through the network analyzer provided with a built-in fault diagnosis module and a built-in fault positioning module according to the received protection device data communication situation.
Description
Technical field
The present invention relates to a kind of intelligent substation trouble-shooter, specifically a kind of fault diagnosis system of Intelligent protective device for substation.
Background technology
Along with the development of electric system, intelligent substation is increasing, different from conventional substation, adopts optical fiber to replace traditional secondary cable in intelligent substation, change in this mode of connection effectively reduces the cost of secondary circuit, has also reduced the interference of electromagnetic interference (EMI) to data transmission.But meanwhile, the data of protective device are all to transmit by light signal, once device breaks down, cannot carry out localization of fault and eliminating by conventional substation troubleshooting method, as conventional potential measurement method cannot use.The diagnosis of intelligent protection device fault and location become a problem demanding prompt solution.
Connection between intelligent protection device is the digital signal of transmission Network Based; in original secondary circuit, point-to-point cable connection is replaced by the optical cable of networking; no longer have the concept of traditional terminal, therefore, conventional transformer station's troubleshooting method cannot be used.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of fault diagnosis system of Intelligent protective device for substation, it can be realized the fault diagnosis of protective device and locate fast.
The present invention solves the technical scheme that its technical matters takes: the fault diagnosis system of Intelligent protective device for substation; comprise intelligent terminal, merge cells and protective device; it is characterized in that; also comprise network analyzer; described intelligent terminal is connected with transforming plant primary equipment; described merge cells is connected with substation secondary device, and described protective device is connected with intelligent terminal and merge cells respectively by optical fiber, and described network analyzer is connected with protective device respectively by optical fiber.
Further, described merge cells comprises one or more in PT merge cells, circuit merge cells and main transformer three side merge cellses.
Further, described network analyzer comprises signal acquisition module, analog-to-digital conversion module, signal processing module, memory module, GPS module, wireless communication module, printer and touch display screen, described analog-to-digital conversion module, memory module, GPS module, wireless communication module, printer and touch display screen are connected with signal processing module respectively, and described signal acquisition module is connected with analog-to-digital conversion module.
Further, described network analyzer also comprises the fault diagnosis module and the localization of fault module that are connected with signal processing module respectively, and described fault diagnosis module is in order to judge whether operational excellence of protective device by the protective device data communication situation receiving; The light mouth that described localization of fault module comprises network analyzer and the corresponding chained list of protective device, and by described corresponding chained list, protective device is carried out to localization of fault.
The invention has the beneficial effects as follows: the present invention except arranging the optical fiber link of access intelligent terminal and merge cells on protective device; also be provided with the optical fiber link of special interconnection network analyser, realize the fault diagnosis of protective device and locate fast according to the protective device data communication situation receiving by the network analyzer that is built-in with fault diagnosis module and localization of fault module.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of network analyzer of the present invention;
Fig. 3 is the structural representation of of the present invention one concrete application.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the present invention will be described in detail.Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts to specific examples and setting are described.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.It should be noted that illustrated parts are not necessarily drawn in proportion in the accompanying drawings.The present invention has omitted the description of known assemblies and treatment technology and technique to avoid unnecessarily limiting the present invention.
As shown in Figure 1; the fault diagnosis system of a kind of Intelligent protective device for substation of the present invention; it comprises intelligent terminal, merge cells, protective device and network analyzer; described intelligent terminal is connected with transforming plant primary equipment; described merge cells is connected with substation secondary device; described protective device is connected with intelligent terminal and merge cells respectively by optical fiber, and described network analyzer is connected with protective device respectively by optical fiber.Wherein, described merge cells comprises one or more in PT merge cells, circuit merge cells and main transformer three side merge cellses, in order to gather various electric currents, the voltage data information of transformer station.
As shown in Figure 2, network analyzer of the present invention comprises signal acquisition module, analog-to-digital conversion module, signal processing module, memory module, GPS module, fault diagnosis module, localization of fault module, wireless communication module, printer and touch display screen, described analog-to-digital conversion module, memory module, GPS module, fault diagnosis module, localization of fault module, wireless communication module, printer is connected with signal processing module respectively with touch display screen, the input end of described signal acquisition module is connected with protective device by light mouth, output terminal is connected with analog-to-digital conversion module.Described network analyzer gathers the data traffic signals of protective device by signal acquisition module, the simulating signal collecting is converted to digital signal by analog-to-digital conversion module, is then sent to signal processing module and carries out Treatment Analysis.GPS module is beneficial to user and determines out of doors orientation; Wireless communication module carries out communication for equipment and remote server.Fault diagnosis module is in order to judge whether operational excellence of protective device by the protective device data communication situation receiving; The light mouth that localization of fault module comprises network analyzer and the corresponding chained list of protective device, and by described corresponding chained list, protective device is carried out to localization of fault.Network analyzer not only has the function of fault diagnosis and localization of fault, but also has geo-location, wireless telecommunications and printing function, easy to use, simple in structure.
Fig. 3 is the structural representation of of the present invention one concrete application, and below in conjunction with Fig. 3, the present invention will be further described.
(1) taking the protective device 1 shown in Fig. 3 as example, light mouth 1-5 is connected to corresponding intelligent terminal and merge cells, and light mouth 6 is connected to the light mouth 1 of network analyzer.The light mouth 1-5 of protective device 2 and 3 is connected to corresponding intelligent terminal and merge cells, and light mouth 6 is connected to respectively light mouth 2 and the light mouth 3 of network analyzer, carries out by that analogy the connection between each equipment.
(2) network analyzer is provided with fault diagnosis module, and fault diagnosis module judges whether operational excellence of this protective device by each protective device data communication situation receiving.If network analyzer light mouth 1 data exceed the time (as being set to 2 minutes) of setting and do not refresh, and judge light mouth 1 data exception, illustrate that protective device 1 breaks down.
(3) network analyzer is provided with localization of fault module, and the corresponding chained list that localization of fault module comprises light mouth and protective device, as the light mouth 1 of network analyzer, light mouth 2, light mouth 3 corresponding protective device 1, protective device 2, protective device 3 respectively.If fault diagnosis module judges light mouth 1 data exception of network analyzer and breaks down, orientates protective device 1 as and break down.
The present invention has following characteristics:
(1) protective device is provided with the optical fiber link of special interconnection network analyser.
(2) network analyzer is provided with fault diagnosis module, and fault diagnosis module judges whether operational excellence of this protective device by each protective device data communication situation receiving.
(3) network analyzer is provided with localization of fault module, the corresponding chained list that localization of fault module comprises light mouth and protective device, and by this correspondence chained list, the protective device breaking down is positioned.
The present invention except arranging the optical fiber link of access intelligent terminal and merge cells on protective device; also be provided with the special link of special interconnection network analyser, realize the fault diagnosis of protective device and locate fast according to the protective device data communication situation receiving by the network analyzer that is built-in with fault diagnosis module and localization of fault module.
The above is the preferred embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications are also regarded as protection scope of the present invention.
Claims (4)
1. the fault diagnosis system of Intelligent protective device for substation; comprise intelligent terminal, merge cells and protective device; it is characterized in that; also comprise network analyzer; described intelligent terminal is connected with transforming plant primary equipment; described merge cells is connected with substation secondary device, and described protective device is connected with intelligent terminal and merge cells respectively by optical fiber, and described network analyzer is connected with protective device respectively by optical fiber.
2. the fault diagnosis system of Intelligent protective device for substation according to claim 1, is characterized in that, described merge cells comprises one or more in PT merge cells, circuit merge cells and main transformer three side merge cellses.
3. the fault diagnosis system of Intelligent protective device for substation according to claim 1 and 2; it is characterized in that; described network analyzer comprises signal acquisition module, analog-to-digital conversion module, signal processing module, memory module, GPS module, wireless communication module, printer and touch display screen; described analog-to-digital conversion module, memory module, GPS module, wireless communication module, printer and touch display screen are connected with signal processing module respectively, and described signal acquisition module is connected with analog-to-digital conversion module.
4. the fault diagnosis system of Intelligent protective device for substation according to claim 3, it is characterized in that, described network analyzer also comprises the fault diagnosis module and the localization of fault module that are connected with signal processing module respectively, and described fault diagnosis module is in order to judge whether operational excellence of protective device by the protective device data communication situation receiving; The light mouth that described localization of fault module comprises network analyzer and the corresponding chained list of protective device, and by described corresponding chained list, protective device is carried out to localization of fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301172.2A CN104090183A (en) | 2014-06-30 | 2014-06-30 | Fault diagnosis system of transformer substation intelligent protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410301172.2A CN104090183A (en) | 2014-06-30 | 2014-06-30 | Fault diagnosis system of transformer substation intelligent protection device |
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| CN104090183A true CN104090183A (en) | 2014-10-08 |
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| CN201410301172.2A Pending CN104090183A (en) | 2014-06-30 | 2014-06-30 | Fault diagnosis system of transformer substation intelligent protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569686A (en) * | 2015-01-19 | 2015-04-29 | 国家电网公司 | Intelligent substation and intelligent secondary device testing system thereof |
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| JP2008129783A (en) * | 2006-11-20 | 2008-06-05 | Mitsubishi Electric Corp | Pio transmitter system |
| CN201821163U (en) * | 2010-08-06 | 2011-05-04 | 江西省电力科学研究院 | Intelligent transformer substation network performance analysis device |
| CN102520288A (en) * | 2011-12-19 | 2012-06-27 | 江苏省电力试验研究院有限公司 | Primary-rising based current differential protection synchronization performance testing system and testing method |
| CN203117313U (en) * | 2012-12-28 | 2013-08-07 | 中国电力科学研究院 | Dynamic simulation and emulation detecting platform for intelligent substation secondary system |
| CN204008963U (en) * | 2014-06-30 | 2014-12-10 | 国家电网公司 | The trouble-shooter of Intelligent protective device for substation |
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2014
- 2014-06-30 CN CN201410301172.2A patent/CN104090183A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008129783A (en) * | 2006-11-20 | 2008-06-05 | Mitsubishi Electric Corp | Pio transmitter system |
| CN201821163U (en) * | 2010-08-06 | 2011-05-04 | 江西省电力科学研究院 | Intelligent transformer substation network performance analysis device |
| CN102520288A (en) * | 2011-12-19 | 2012-06-27 | 江苏省电力试验研究院有限公司 | Primary-rising based current differential protection synchronization performance testing system and testing method |
| CN203117313U (en) * | 2012-12-28 | 2013-08-07 | 中国电力科学研究院 | Dynamic simulation and emulation detecting platform for intelligent substation secondary system |
| CN204008963U (en) * | 2014-06-30 | 2014-12-10 | 国家电网公司 | The trouble-shooter of Intelligent protective device for substation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569686A (en) * | 2015-01-19 | 2015-04-29 | 国家电网公司 | Intelligent substation and intelligent secondary device testing system thereof |
| CN104569686B (en) * | 2015-01-19 | 2017-12-15 | 国家电网公司 | A kind of intelligent substation and its intelligent secondary device test system |
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Application publication date: 20141008 |
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