CN104734349A - Automatic pressing plate inputting and retreating method based on secondary equipment self-inspection in intelligent substation - Google Patents
Automatic pressing plate inputting and retreating method based on secondary equipment self-inspection in intelligent substation Download PDFInfo
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- CN104734349A CN104734349A CN201510094831.4A CN201510094831A CN104734349A CN 104734349 A CN104734349 A CN 104734349A CN 201510094831 A CN201510094831 A CN 201510094831A CN 104734349 A CN104734349 A CN 104734349A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention provides an automatic pressing plate inputting and retreating method based on secondary equipment self-inspection in an intelligent substation. The automatic pressing plate inputting and retreating method based on secondary equipment self-inspection in the intelligent substation includes the following steps that firstly, self-inspection of work conditions of secondary equipment is carried out, the work conditions of the secondary equipment in the intelligent substation are monitored and self-inspected in real time, chip-level diagnosis is carried out, and an anomaly is analyzed and evaluated; secondly, the network link conditions of the secondary equipment are judged, the secondary equipment in the intelligent substation realizes information interaction through a GOOSE link and an SV link, and network positioning is carried out on the anomaly; thirdly, inputting and retreating of a pressing plate are carried out, the secondary equipment monitors information classification through self-inspection, and automatically retreats an affected interval pressing plate through evaluation on the anomaly and positioning of the anomaly in the network when the anomaly happens, and isolation of the secondary equipment on the network is realized.
Description
Technical field
The present invention relates to a kind of pressing plate and throw annealing method, particularly, relate to a kind of pressing plate automatic switching method based on secondary device self-inspection in intelligent substation, belong to power system automation technology field.
Background technology
Along with intelligent relay protection controlling device applying at intelligent substation, the conventional hard pressing plate of the hard pressing plate of function and loop all substitute by soft pressing plate.Especially extremely many in multi-compartment protection equipment for busbar pressing plate quantity; except function pressing plate; receive pressing plate according to the sampling of interval quantity configuration, tripping operation exports pressing plate, malfunctioningly opens into pressing plate, forces enable pressing plate etc., the pressing plate quantity of the substation bus bar protective device of general scale is by more or less a hundred.In operation maintenance, relate to pressing plate throw the work of moving back and whether thornyly just seem, safety measure is complicated, and recovery operation is too much, careless slightlyly very easily makes mistakes.Consider that the related security of the route protection, tranformer protection, merge cells, intelligent terminal etc. coordinated with bus protection in maintenance is various especially again, and relate to more interconnect device.
Summary of the invention
The present invention is in order to solve the above-mentioned defect and deficiency that exist in prior art, provide a kind of pressing plate automatic switching method based on secondary device self-inspection in intelligent substation, achieve the automatic switching of pressing plate, avoid because carelessness causes pressing plate to miscarry the appearance of moving back, leaking switching, forgetting the problems such as recovery.
For solving the problems of the technologies described above, the invention provides a kind of pressing plate automatic switching method based on secondary device self-inspection in intelligent substation, comprising the following steps:
Step one, the self-inspection of secondary device working condition, the secondary device in intelligent substation carries out real time monitoring, self-inspection to the working condition of himself, carries out chip-scale diagnosis, and analyzes the exception occurred, assess;
Step 2, secondary device network linking situation differentiates, the secondary device in intelligent substation realizes information interaction by GOOSE link and SV link communication, realizes network positions to the exception occurred;
Step 3, pressing plate is thrown and is moved back, secondary device according to the classification of self-inspection monitor message, existing abnormal time, by the assessment of exception and location in a network, automatically exit affected interval pressing plate, realize the isolation of secondary device on network; For recoverable exception, to disappear or after inspecting state returns until abnormal, secondary device by pressing plate state when automatically recovering normal, for expendable exception, after completing maintenance, by manual reversion to normal pressing plate state.
Wherein, in described step one, the self-inspection of secondary device working condition comprises, to the self-inspection of the self-inspection in analog acquisition loop, switch amount input circuit, to the self-inspection of CPU operation conditions and the self-inspection to device status between communication.
Described step one SMIS chip level diagnosis refers to, when normally running, secondary device carries out cycle read-write to cpu chip and patrols and examines, and realizes on-line monitoring; When receiving external command, secondary device performs file read-write operations, realizes application monitors; Secondary device, to by after the operation of read-write cpu chip, according to return parameters, judges that whether cpu chip working condition is normal, prompting error message time abnormal, realizes the chip-scale location of fault thus, and complete failure diagnosis according to error message.
The aforementioned self-inspection to analog acquisition loop comprises the self-inspection to AC/DC loop.
The self-inspection of aforementioned switch amount input circuit comprise to the hard pressing plate of function open into self-inspection and to secondary device inside open into self-inspection.
The aforementioned self-inspection to CPU operation conditions comprises the self-inspection to internal storage, and described internal storage comprises RAM, FLASH and EPROM.
The aforementioned self-inspection to device status between communication comprise the self-inspection to carrier channel, the self-inspection to optical-fibre channel, to the self-inspection of SV link, the self-inspection to GOOSE link.
The Advantageous Effects that the present invention reaches:
The information evaluation that the present invention can monitor according to secondary device is abnormal, the throwing of pressing plate is moved back and adaptive failure situation with good conditionsi can be occurred and recover, solve in intelligent substation because secondary device pressing plate is too much, the network of relation link degree of coupling is strong, the problem of safety measure complexity in operation maintenance, avoid, because carelessness causes pressing plate to miscarry the appearance of moving back, leaking switching, forgetting the hidden danger such as recovery, decreasing the security measure work of overhaul of the equipments, improve the safety of operation maintenance work.
Accompanying drawing explanation
Fig. 1 schematic flow sheet of the present invention.
Embodiment
In order to the technique effect that auditor can better understand technical characteristic of the present invention, technology contents and reach, now accompanying drawing of the present invention is described in detail in conjunction with the embodiments.But shown accompanying drawing, just in order to technical scheme of the present invention is better described, auditor please not limit claims of the present invention with regard to accompanying drawing.
Below in conjunction with drawings and Examples, patent of the present invention is further illustrated.
As described in Figure 1, the invention provides a kind of pressing plate automatic switching method based on secondary device self-inspection in intelligent substation, comprise the following steps:
Step one, the self-inspection of secondary device working condition, the secondary device be made up of relay protection controlling device and process layer devices in current intelligent substation is based on embedded system development, secondary device carries out real time monitoring, self-inspection to the working condition of himself, carry out chip-scale diagnosis, and the exception occurred is analyzed, assessed; If when secondary device needs to overhaul, according to IEC61850-7-3 regulation, secondary device can be put " TRUE " quality (quality) the 11st inspecting state (Test).
The self-inspection of secondary device working condition comprises, to the self-inspection of the self-inspection in analog acquisition loop, switch amount input circuit, to the self-inspection of CPU operation conditions and the self-inspection to device status between communication.Self-inspection to AC/DC loop is comprised to the self-inspection in analog acquisition loop.The self-inspection of switch amount input circuit comprise to the hard pressing plate of function open into self-inspection and to secondary device inside open into self-inspection.Comprise the self-inspection to internal storage to the self-inspection of CPU operation conditions, described internal storage comprises RAM, FLASH and EPROM.To the self-inspection of device status between communication comprise the self-inspection to carrier channel, the self-inspection to optical-fibre channel, to the self-inspection of SV link, the self-inspection to GOOSE link.
Chip-scale diagnosis refers to, when normally running, secondary device carries out cycle read-write to cpu chip and patrols and examines, and realizes on-line monitoring; When receiving external command, secondary device performs file read-write operations, realizes application monitors; Secondary device, to by after the operation of read-write cpu chip, according to return parameters, judges that whether cpu chip working condition is normal, prompting error message time abnormal, realizes the chip-scale location of fault thus, and complete failure diagnosis according to error message.
Step 2, secondary device network linking situation differentiates, the secondary device in intelligent substation realizes information interaction by GOOSE link and SV link communication, realizes network positions to the exception occurred;
Step 3, pressing plate is thrown and is moved back, secondary device is classified according to self-inspection monitor message, existing abnormal time, by to the assessment of exception and location in a network, automatically exit affected interval pressing plate, as SV link receives pressing plate, GOOSE link trip pressing plate, the malfunctioning pressing plate of GOOSE link or function pressing plate etc., realize the isolation of secondary device on network; For recoverable exception, to disappear or after inspecting state returns until abnormal, secondary device by pressing plate state when automatically recovering normal, for expendable exception, after completing maintenance, by manual reversion to normal pressing plate state.
Below disclose the present invention with preferably embodiment, so it is not intended to limiting the invention, allly takes equivalent replacement or technical scheme that the scheme of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (7)
1. in intelligent substation based on the pressing plate automatic switching method of secondary device self-inspection, it is characterized in that: comprise the following steps:
Step one, the self-inspection of secondary device working condition, the secondary device in intelligent substation carries out real time monitoring, self-inspection to the working condition of himself, carries out chip-scale diagnosis, and analyzes the exception occurred, assess;
Step 2, secondary device network linking situation differentiates, the secondary device in intelligent substation realizes information interaction by GOOSE link and SV link communication, realizes network positions to the exception occurred;
Step 3, pressing plate is thrown and is moved back, secondary device according to the classification of self-inspection monitor message, existing abnormal time, by the assessment of exception and location in a network, automatically exit affected interval pressing plate, realize the isolation of secondary device on network; For recoverable exception, to disappear or after inspecting state returns until abnormal, secondary device by pressing plate state when automatically recovering normal, for expendable exception, after completing maintenance, by manual reversion to normal pressing plate state.
2. in intelligent substation according to claim 1 based on the pressing plate automatic switching method of secondary device self-inspection, it is characterized in that: in described step one, the self-inspection of secondary device working condition comprises, to the self-inspection of the self-inspection in analog acquisition loop, switch amount input circuit, to the self-inspection of CPU operation conditions and the self-inspection to device status between communication.
3. in intelligent substation according to claim 1 based on the pressing plate automatic switching method of secondary device self-inspection, it is characterized in that: described step one SMIS chip level diagnosis refers to, during normal operation, secondary device carries out cycle read-write to cpu chip and patrols and examines, and realizes on-line monitoring; When receiving external command, secondary device performs file read-write operations, realizes application monitors; Secondary device, to by after the operation of read-write cpu chip, according to return parameters, judges that whether cpu chip working condition is normal, prompting error message time abnormal, realizes the chip-scale location of fault thus, and complete failure diagnosis according to error message.
4. in intelligent substation according to claim 2 based on the pressing plate automatic switching method of secondary device self-inspection, it is characterized in that: the described self-inspection to analog acquisition loop comprises the self-inspection to AC/DC loop.
5. in intelligent substation according to claim 2 based on the pressing plate automatic switching method of secondary device self-inspection, it is characterized in that: the self-inspection of described switch amount input circuit comprise to the hard pressing plate of function open into self-inspection and to secondary device inside open into self-inspection.
6. in intelligent substation according to claim 2 based on the pressing plate automatic switching method of secondary device self-inspection, it is characterized in that: the described self-inspection to CPU operation conditions comprises the self-inspection to internal storage, and described internal storage comprises RAM, FLASH and EPROM.
7. in intelligent substation according to claim 2 based on the pressing plate automatic switching method of secondary device self-inspection, it is characterized in that: the described self-inspection to device status between communication comprise the self-inspection to carrier channel, the self-inspection to optical-fibre channel, to the self-inspection of SV link, the self-inspection to GOOSE link.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357423A (en) * | 2016-08-19 | 2017-01-25 | 南京国电南自电网自动化有限公司 | Abnormal diagnosis method of secondary equipment of intelligent substation based on fault tree |
| CN106557054A (en) * | 2017-01-05 | 2017-04-05 | 上海泽鑫电力科技股份有限公司 | The system and method that the failure of transformer cooler intelligent controlling device is repaired automatically |
| CN106655520A (en) * | 2017-02-14 | 2017-05-10 | 国网辽宁省电力有限公司 | Method for ensuring safe and reliable execution of relay protection remote operation |
| CN108828344A (en) * | 2018-04-17 | 2018-11-16 | 国网河南省电力公司电力科学研究院 | One kind is for substation line protective device pressing plate detection alarm method and device |
| CN109066419A (en) * | 2018-08-28 | 2018-12-21 | 国网河北省电力有限公司电力科学研究院 | Diagnostic method, system and the terminal device of secondary device maintenance safety measure operation |
| CN109327009A (en) * | 2018-08-22 | 2019-02-12 | 贵州电网有限责任公司 | The anti-miscarrying method of risky pressing plate is directed to when a kind of breaker protection regular inspection |
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| US8667060B2 (en) * | 2010-11-23 | 2014-03-04 | General Electric Company | Data collection from utility meters over advanced metering infrastructure |
| CN103744422A (en) * | 2014-01-06 | 2014-04-23 | 国家电网公司 | Automatic testing method for relay protection device based on IEC61850 standard |
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| US8667060B2 (en) * | 2010-11-23 | 2014-03-04 | General Electric Company | Data collection from utility meters over advanced metering infrastructure |
| CN103744422A (en) * | 2014-01-06 | 2014-04-23 | 国家电网公司 | Automatic testing method for relay protection device based on IEC61850 standard |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357423A (en) * | 2016-08-19 | 2017-01-25 | 南京国电南自电网自动化有限公司 | Abnormal diagnosis method of secondary equipment of intelligent substation based on fault tree |
| CN106557054A (en) * | 2017-01-05 | 2017-04-05 | 上海泽鑫电力科技股份有限公司 | The system and method that the failure of transformer cooler intelligent controlling device is repaired automatically |
| CN106557054B (en) * | 2017-01-05 | 2019-01-25 | 上海泽鑫电力科技股份有限公司 | The system and method that the failure of transformer cooler intelligent controlling device is automatically repaired |
| CN106655520A (en) * | 2017-02-14 | 2017-05-10 | 国网辽宁省电力有限公司 | Method for ensuring safe and reliable execution of relay protection remote operation |
| CN106655520B (en) * | 2017-02-14 | 2019-07-16 | 国网辽宁省电力有限公司 | Ensure the method that relay protection remote operation securely and reliably executes |
| CN108828344A (en) * | 2018-04-17 | 2018-11-16 | 国网河南省电力公司电力科学研究院 | One kind is for substation line protective device pressing plate detection alarm method and device |
| CN108828344B (en) * | 2018-04-17 | 2021-01-29 | 国网河南省电力公司电力科学研究院 | Pressing plate detection warning method and device for transformer substation line protection device |
| CN109327009A (en) * | 2018-08-22 | 2019-02-12 | 贵州电网有限责任公司 | The anti-miscarrying method of risky pressing plate is directed to when a kind of breaker protection regular inspection |
| CN109327009B (en) * | 2018-08-22 | 2020-01-07 | 贵州电网有限责任公司 | Method for preventing misoperation of dangerous pressing plate during circuit breaker protection scheduled inspection |
| CN109066419A (en) * | 2018-08-28 | 2018-12-21 | 国网河北省电力有限公司电力科学研究院 | Diagnostic method, system and the terminal device of secondary device maintenance safety measure operation |
| CN109066419B (en) * | 2018-08-28 | 2020-06-26 | 国网河北省电力有限公司电力科学研究院 | Diagnosis method and system for secondary equipment maintenance safety measure operation and terminal equipment |
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