CN103607044A - Relay protection monitoring system and method thereof - Google Patents
Relay protection monitoring system and method thereof Download PDFInfo
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- CN103607044A CN103607044A CN201310544498.3A CN201310544498A CN103607044A CN 103607044 A CN103607044 A CN 103607044A CN 201310544498 A CN201310544498 A CN 201310544498A CN 103607044 A CN103607044 A CN 103607044A
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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 a relay protection monitoring system and a method thereof. The system comprises a network communication module which acquires the message information of a relay protection device through a network, a data processing module which is connected with the network communication module, receives the message information, and analyzes the message information to obtain virtual circuit monitoring data, and a calculation module which is respectively connected with the network communication module and the data processing module, receives the virtual circuit monitoring data, calculates the virtual circuit monitoring data according to a preset protection loop algorithm, judges whether the protection virtual circuit of the relay protection device is abnormal or not according to the calculation result, and sends the judgment result to the network communication module. According to the system and the method, the online monitoring of the protection virtual circuit of the relay protection device is realized through the system, thus the monitoring personnel can carry out the corresponding processing according to the judgment result, and thus the safe operation of intelligent substation equipment is ensured.
Description
Technical field
The present invention relates to intelligent substation of electric power system monitoring field, relate in particular a kind of relaying protection monitoring system and method.
Background technology
Nowadays, challenge in the face of each side such as environment, economy, the energy and technology, and the development of information digitalization, world's power industry has proposed the concept of intelligent grid jointly, and it is support that the intelligent substation thereupon growing up be take the digital transformer substation of IEC61850 standard, substitutes gradually traditional transformer station, becomes the direction of Future Development, wherein, IEC61850 standard is the unique international standard of electric substation automation system based on universal network communication platform.
In actual applications, the electric component in electric power system breaks down or during irregular operating, protective relaying device will be controlled circuit breaker and trip, thereby has guaranteed the safe operation of other electric components.As can be seen here, can protective relaying device work, and whether direct relation whole electric power system and can normally be moved.So; in traditional substation operation; conventionally need attendant to use some testing tools; monitor in protection loop to the protective relaying device in this tradition transformer station; can protect loop to occur when abnormal to process in time at this, to guarantee the safe operation of traditional transformer station.
Summary of the invention
In view of this, the invention provides a kind of relaying protection monitoring system and method, realized the on-line monitoring to the empty loop of the protection of the protective relaying device of intelligent substation, thereby guaranteed the safe operation of equipment in this intelligent substation.
For achieving the above object, the invention provides following technical scheme:
A relaying protection monitoring system, described system comprises:
The network communication module of the message information by Network Capture protective relaying device;
Be connected with described network communication module, receive the described message information that described network communication module sends, and described message information is resolved, obtain the data processing module of empty loop Monitoring Data;
Be connected with described data processing module with described network communication module respectively; receive the described empty loop Monitoring Data that described data processing module sends; according to default protection Circuit Algorithms; described empty loop Monitoring Data is calculated; whether the empty loop of protection that judges described protective relaying device according to result of calculation occurs extremely, and judged result is sent to the computing module of described network communication module.
Preferably, described message information comprises: MMS message and GOOSE message.
Preferably, described network communication module comprises:
The communication interface of the message information by Network Capture protective relaying device;
Be connected with described communication interface, receive the described message information of described communication interface transmission the data transmission unit of output.
Preferably, described data processing module comprises:
Be connected with described network communication module, receive the first data receiver unit of the described message information of described network service transmission;
Be connected with described the first data receiver unit, the described message information that described the first data receiver unit receiving is sent is resolved, and obtains the data processing unit of empty loop Monitoring Data;
Be connected with described data processing unit, receive the described empty loop Monitoring Data of described data processing unit transmission the first data transmission unit of output.
Preferably, described computing module comprises:
Be connected with described data processing module, receive the second data receiver unit of the described empty loop Monitoring Data of described data processing module transmission;
Be connected with described the second data receiver unit, receive the described empty loop Monitoring Data that described the second data receiver unit sends, according to default protection Circuit Algorithms, described empty loop Monitoring Data is calculated, whether the empty loop of protection that judges described protective relaying device according to result of calculation occurs extremely, and exports the computational analysis unit of judged result;
Be connected with described computational analysis unit with described network communication module respectively, receive the judged result that described computational analysis unit sends, and described judged result is sent to the second data transmission unit of described network communication module.
Preferably, described protection Circuit Algorithms is to adopt IEC61131-3 programming language, according to the circuit structure in the empty loop of the protection of described protective relaying device, determines.
Preferably, described communication interface comprises:
By MMS net, obtain the first communication interface of the described MMS message of described protective relaying device;
By GOOS net, obtain the second communication interface of the described GOOSE message of described protective relaying device.
Preferably, described system also comprises:
Be connected with described network communication module, receive the described judged result that described network communication module sends, and described judged result is converted to the switch of corresponding monitoring information;
Be connected with described switch, the display unit that the described monitoring information that the described switch receiving is sent shows.
A relaying protection monitoring method, described method comprises:
The message information of exporting by Network Capture protective relaying device;
Described message information is resolved, obtain empty loop Monitoring Data;
According to default protection Circuit Algorithms, described empty loop Monitoring Data is calculated, and judged according to result of calculation whether the empty loop of protection of described protective relaying device occurs extremely.
Preferably, described method also comprises:
The judged result that described judgement is obtained converts corresponding monitoring information to;
Show described monitoring information.
Known via above-mentioned technical scheme; compared with prior art; the present invention openly provides a kind of relaying protection monitoring system and method; described system comprises connected successively network communication module, data processing module and computing module, and described network communication module is also connected with described computing module.The present invention by described network communication module by the message information of protective relaying device described in Network Capture, and sent data processing module and resolved, obtain empty loop Monitoring Data, afterwards, again by described computing module according to default protection Circuit Algorithms, described empty loop Monitoring Data is calculated, obtain result of calculation, and judge according to described result of calculation whether the empty loop of protection of protective relaying device occurs extremely, so that attendant is according to this judged result, to this, protect empty loop to overhaul, thereby guarantee the safe operation of the equipment of intelligent substation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the structural representation of the embodiment 1 of a kind of relaying protection monitoring system of the present invention;
Fig. 2 is the structural representation of the embodiment 2 of a kind of relaying protection monitoring system of the present invention;
Fig. 3 is the flow chart of the embodiment 1 of a kind of relaying protection monitoring method of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of relaying protection monitoring system, can comprise connected successively network communication module, data processing module and computing module, and network communication module is also connected with computing module.The present invention obtains the message information of protective relaying device by network communication module; and sent data processing module and resolved; obtain empty loop Monitoring Data; afterwards; again by computing module according to default protection Circuit Algorithms; empty loop Monitoring Data is calculated; obtain result of calculation; and judge according to result of calculation whether the empty loop of protection of protective relaying device occurs extremely; so that attendant is according to this judged result; to this, protect empty loop to overhaul, thereby guarantee the safe operation of the equipment of intelligent substation.
Wherein, intelligent substation in the present invention substitutes in traditional transformer station and exports physical terminal one to one with each switching value, the breaker tripping and closing of protective relaying device by empty terminal is set; by digital signal optical fiber connected mode, substitute analog signal cable connected mode in traditional transformer station, thereby formed the empty loop that substitutes the hardware-in-the-loop in traditional transformer station.So; in actual applications; can be by empty loop be monitored; realize the monitoring to the empty loop of the protection of protective relaying device; thereby guarantee when intelligent substation breaks down; relay protective relaying device can correctly excise fault rapidly, and then guarantees the safe operation of other equipment in intelligent substation.
As shown in Figure 1; structural representation for the embodiment 1 of a kind of relaying protection monitoring system of the present invention; this system can comprise: network communication module 101; the data processing module 102 being connected with network communication module 101; the computing module 103 being connected with data processing module with network communication module 101 respectively; wherein; network communication module 101 is for passing through the message information of Network Capture protective relaying device; in the practical application of the embodiment of the present invention, when network communication module 101 can be by network implementation or periodically obtain message information.
At present, in intelligent substation, the configuration information of equipment is all to adopt by substation configuration description language (the Substation Configuration Description Language of IEC61850 standard definition conventionally, SCL), be described in system configuration description document (SCD, Substation Configuration Description), in, by this SCD file, manage each equipment in intelligent substation and move.As can be seen here, when certain device configuration information of intelligent substation is modified, will cause the variation of whole SCD file, thereby affect the safe operation of other equipment in intelligent substation, so, in order to learn now in intelligent substation the whether normally operation of other equipment, and when certain device fails, monitoring personnel can carry out respective handling to it in time, the embodiment of the present invention is passed through the message information of Network Capture protective relaying device by network communication module, so that system judges according to this message information whether the empty loop of protection of protective relaying device occurs extremely, thereby the safety of other equipment in assurance intelligent substation.
Wherein, message information comprises MMS(Manufacturing Message Specification, manufactures message specification) message and GOOSE(Generic Object Oriented Substation Event, general in transformer station's object time) message.
In prior art, MMS and GOOSE are a kind of real time communication mechanism, the object of MMS is intelligent sensor, intelligent power equipment (the Intelligent Electronic Devices in order to have communication capacity in standard intelligent substation, IED), the communication behavior of intelligent control device, use between the equipment of different manufacturers and there is interoperability, thereby make the system integration become simply, facilitate, and GOOSE is for fast transport intelligent substation event, as order, alarm, indication and tripping operation information etc.So the embodiment of the present invention can be by MMS message and GOOSE message are analyzed, thereby determine the ruuning situation in the empty loop of protection of protective relaying device.
Wherein, on the basis of the embodiment of the present invention 1, as embodiment of the present invention a, network communication module 101 can comprise: communication interface and data transmission unit, be respectively used to obtain the message information of protective relaying device, and message information is transmitted.
The message information that data processing module 102 sends for receiving network communication module 101, and message information is resolved, empty loop Monitoring Data obtained.
On the basis of the embodiment of the present invention 1 or embodiment of the present invention a, as embodiment of the present invention b, data processing module 102 can comprise: the first data receiver unit, data processing unit and the first data transmission unit, wherein,
The first data receiver unit is connected with network communication module, the message information sending for receiving network service.
Data processing unit is connected with the first data receiver unit, for the message information that the first data receiver unit receiving is sent, resolves, and obtains empty loop Monitoring Data.
The first data transmission unit is connected with computing module with data processing unit respectively, the empty loop Monitoring Data sending for receiving data processing unit, and empty loop Monitoring Data is sent to computing module.
On the basis of the embodiment of the present invention 1 or embodiment of the present invention a or embodiment of the present invention b, as embodiment of the present invention c, computing module 103 can comprise: the second data receiver unit, computational analysis unit and the second data transmission unit that are connected successively, wherein,
The second data receiver unit is connected with data processing module 102, the empty loop Monitoring Data sending for receiving this data processing module 102.
Computational analysis unit; the empty loop Monitoring Data sending for receiving the second data receiver unit, according to default protection Circuit Algorithms, calculates empty loop Monitoring Data; whether the empty loop of protection that judges protective relaying device according to result of calculation occurs extremely, and exports judged result.
Wherein, protection Circuit Algorithms; that technical staff is according to the circuit result set goal of the invention in the empty loop of protection; adopt IEC61131-3 programming language to write in advance; and be loaded in computing module; once thereby make this computing module receive the empty loop Monitoring Data that data processing module sends, can carry out this protection Circuit Algorithms, complete the abnormal judgement that whether occurs to the empty loop of the protection of protective relaying device.It should be noted that, the present invention, to the not concrete restriction of the specific code of this protection Circuit Algorithms, as long as adopt IEC61131-3 programming language, can complete the algorithm of the object of computing module, all belongs to protection scope of the present invention.
In addition, it should be noted that, IEC61131 is the programmable logic controller (PLC) standard that International Electrotechnical Commission formulates, and this standard is divided into 8 parts conventionally, and IEC61131-3 belongs to the programming language of this IEC61131 standard.
The second data transmission unit is connected with network communication module 101, the judged result sending for receiving computational analysis unit, and judged result is sent to network communication module.
In embodiments of the present invention, relaying protection monitoring system can also comprise: switch and display unit, wherein,
Switch is connected with network communication module 101, the judged result sending for receiving network communication module 101, and convert thereof into corresponding monitoring information and send to display unit to show, so that monitoring personnel are according to displaying contents, the equipment of intelligent substation is carried out to respective handling, thereby guarantee the safe operation of this intelligent substation.Wherein, in actual applications, shown in display unit be specifically as follows display.Monitoring information can comprise that abnormal concrete condition occurs in protection empty loop.
Certainly, the relaying protection monitoring system described in the embodiment of the present invention can also comprise: the control device being connected with switch for to switch sending controling instruction, and for connecting connecting line or the device of each module, will will not enumerate herein.
The embodiment of the present invention provides a kind of relaying protection monitoring system, comprises connected successively network communication module, data processing module and computing module, and network communication module is connected with computing module.System of the present invention is passed through the message information of Network Capture protective relaying device by network communication module; and sent data processing module and resolved; obtain empty loop Monitoring Data; afterwards; again by computing module according to default protection Circuit Algorithms; empty loop Monitoring Data is calculated; obtain result of calculation; and judge according to result of calculation whether the empty loop of protection of protective relaying device occurs extremely; so that attendant is according to this judged result; to this, protect empty loop to overhaul, thereby guarantee the safe operation of the equipment of intelligent substation.
As shown in Figure 2; structural representation for a kind of relaying protection monitoring system of the present invention embodiment 2; this system can comprise: connected communication interface 201, data transmission unit 202, the first data interface unit 203, data analysis unit 204, the first data transmission unit 205, the second data receiver unit 206, computational analysis unit 207, the second data transmission unit 208 successively; and the switch 209 being connected with communication interface; the display unit 210 being connected with this switch 209; and; communication interface 201 is also connected with the second data transmission unit 208; wherein
Be connected with data transmission unit 202, by MMS net, obtain the MMS message of protective relaying device, and MMS message is sent to the first communication interface of data transmission unit 202.
Be connected with data transmission unit 202, by GOOS net, obtain the GOOSE message of protective relaying device, and GOOSE message is sent to the second communication interface of data transmission unit 202.
The first data receiver unit 203, the message information sending for receiving data transmission unit 202.
The first data transmission unit 205, the empty loop Monitoring Data sending for receiving data processing unit 204, and this void loop Monitoring Data is sent to the second data receiver unit 206.
The second data receiver unit 206, the empty loop Monitoring Data sending for receiving the first data transmission unit 205, and this void loop Monitoring Data is sent to computational analysis unit 207.
Wherein, protection Circuit Algorithms is that technical staff is according to the circuit structure in the empty loop of protection; and object of the present invention; adopt IEC61131-3 programming language to write in advance; and be loaded in computational analysis unit; once thereby make this computational analysis unit receive empty loop Monitoring Data, can carry out this protection Circuit Algorithms, complete the abnormal judgement that whether occurs to the empty loop of the protection of protective relaying device.
The second data transmission unit 208, the judged result sending for receiving computational analysis unit, and this judged result is sent to data transmission unit 202, so that this data transmission unit sends to communication interface 201 by this judged result.
In actual applications, display unit is specifically as follows display, and monitoring information can be for protecting empty loop that abnormal concrete condition occurs.
Wherein, it should be noted that; in embodiments of the present invention; relaying protection monitoring system can also comprise, the control device being connected with switch, for to this switch sending controling instruction; so that this system is carried out corresponding operation according to this control command; and for connection line or equipment to each module of system or unit connection, it all belongs to protection scope of the present invention, will not enumerate herein.
The relaying protection monitoring system that the embodiment of the present invention provides, by the message information of communication interface Real-time Obtaining protective relaying device, by coupled data transmission unit, send it to the first data interface unit again, by this first data interface unit, message information being sent to data processing unit resolves, obtain empty loop Monitoring Data, afterwards, successively by the first data transmission unit and the second data receiver unit, empty loop Monitoring Data is sent to computational analysis unit to be calculated, and judge according to this result of calculation whether the empty loop of protection of relaying protection occurs extremely, again successively by the second data transmission unit, data transmission unit, communication interface and switch, judged result is sent to display unit to be shown, so that monitoring personnel carry out respective handling according to displaying contents, thereby guarantee the safe operation of intelligent substation.
As shown in Figure 3, be the flow chart of the embodiment 1 of a kind of relaying protection monitoring method of the present invention, described method can be applied in the relaying protection monitoring system described in the above embodiment of the present invention 1 or embodiment 2, and described method can comprise:
Step 301: the message information of exporting by Network Capture protective relaying device.
Wherein, message information can comprise: MMS message and GOOS message.In actual applications, system can be in real time or is periodically obtained the message information of protective relaying device output.
Step 302: described message information is resolved, obtain empty loop Monitoring Data.
In the embodiment of the present invention, when system obtains after message information, will to it, resolve at once, obtain empty loop Monitoring Data, for subsequent analysis.
Step 303: according to default protection Circuit Algorithms, described empty loop Monitoring Data is calculated, and judged according to result of calculation whether the empty loop of protection of described protective relaying device occurs extremely.
Wherein, protection Circuit Algorithms is before the method is carried out; technical staff is according to the circuit structure in the empty loop of protection; and the object of the method for the invention, adopt IEC61131-3 programming language to write in advance, and be loaded in the computing module in described system; so; when computing module receives after the Monitoring Data of empty loop, can carry out this protection Circuit Algorithms, obtain required judged result.
Step 304: the judged result that described judgement is obtained converts corresponding monitoring information to.
Wherein, monitoring information can comprise that abnormal concrete condition occurs in protection empty loop.
Step 305: show described monitoring information.
In actual applications, monitoring personnel, according to the displaying contents in display unit, can complete the respective handling to intelligent substation equipment, thereby guarantee the safe operation of intelligent substation.
In the embodiment of the present invention; by the method described in above-mentioned steps 301～step 304; realize the on-line monitoring to the empty loop of the protection of protective relaying device, made monitoring personnel protect the timely discovery of fault in empty loop to solve to this, guaranteed the safe operation of equipment in intelligent substation.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed method of embodiment, because it is corresponding with the disclosed system of embodiment, so description is fairly simple, relevant part illustrates referring to components of system as directed.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a relaying protection monitoring system, is characterized in that, described system comprises:
The network communication module of the message information by Network Capture protective relaying device;
Be connected with described network communication module, receive the described message information that described network communication module sends, and described message information is resolved, obtain the data processing module of empty loop Monitoring Data;
Be connected with described data processing module with described network communication module respectively; receive the described empty loop Monitoring Data that described data processing module sends; according to default protection Circuit Algorithms; described empty loop Monitoring Data is calculated; whether the empty loop of protection that judges described protective relaying device according to result of calculation occurs extremely, and judged result is sent to the computing module of described network communication module.
2. system according to claim 1, is characterized in that, described message information comprises: MMS message and GOOSE message.
3. system according to claim 2, is characterized in that, described network communication module comprises:
The communication interface of the message information by Network Capture protective relaying device;
Be connected with described communication interface, receive the described message information of described communication interface transmission the data transmission unit of output.
4. system according to claim 2, is characterized in that, described data processing module comprises:
Be connected with described network communication module, receive the first data receiver unit of the described message information of described network service transmission;
Be connected with described the first data receiver unit, the described message information that described the first data receiver unit receiving is sent is resolved, and obtains the data processing unit of empty loop Monitoring Data;
Be connected with described data processing unit, receive the described empty loop Monitoring Data of described data processing unit transmission the first data transmission unit of output.
5. system according to claim 2, is characterized in that, described computing module comprises:
Be connected with described data processing module, receive the second data receiver unit of the described empty loop Monitoring Data of described data processing module transmission;
Be connected with described the second data receiver unit, receive the described empty loop Monitoring Data that described the second data receiver unit sends, according to default protection Circuit Algorithms, described empty loop Monitoring Data is calculated, whether the empty loop of protection that judges described protective relaying device according to result of calculation occurs extremely, and exports the computational analysis unit of judged result;
Be connected with described computational analysis unit with described network communication module respectively, receive the judged result that described computational analysis unit sends, and described judged result is sent to the second data transmission unit of described network communication module.
6. system according to claim 1, is characterized in that, described protection Circuit Algorithms is to adopt IEC61131-3 programming language, according to the circuit structure in the empty loop of the protection of described protective relaying device, determines.
7. system according to claim 3, is characterized in that, described communication interface comprises:
By MMS net, obtain the first communication interface of the described MMS message of described protective relaying device;
By GOOS net, obtain the second communication interface of the described GOOSE message of described protective relaying device.
8. according to the system described in claim 1-7 any one, it is characterized in that, described system also comprises:
Be connected with described network communication module, receive the described judged result that described network communication module sends, and described judged result is converted to the switch of corresponding monitoring information;
Be connected with described switch, the display unit that the described monitoring information that the described switch receiving is sent shows.
9. a relaying protection monitoring method, is characterized in that, described method comprises:
The message information of exporting by Network Capture protective relaying device;
Described message information is resolved, obtain empty loop Monitoring Data;
According to default protection Circuit Algorithms, described empty loop Monitoring Data is calculated, and judged according to result of calculation whether the empty loop of protection of described protective relaying device occurs extremely.
10. method according to claim 9, is characterized in that, described method also comprises:
The judged result that described judgement is obtained converts corresponding monitoring information to;
Show described monitoring information.
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| CN115664009A (en) * | 2022-10-26 | 2023-01-31 | 国网新疆电力有限公司阿克苏供电公司 | Relay protection on-line monitoring system based on big data |
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| EP0517888B1 (en) * | 1990-12-19 | 2004-06-23 | Square D Company | Addressable relay module for circuit breakers |
| CN202488214U (en) * | 2012-02-01 | 2012-10-10 | 华北电力科学研究院有限责任公司 | Intelligent substation simulation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104408665A (en) * | 2014-10-31 | 2015-03-11 | 上海毅昊自动化有限公司 | Event-oriented disturbance data processing system based on SCD model |
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| CN115664009A (en) * | 2022-10-26 | 2023-01-31 | 国网新疆电力有限公司阿克苏供电公司 | Relay protection on-line monitoring system based on big data |
| CN115664009B (en) * | 2022-10-26 | 2024-02-09 | 国网新疆电力有限公司阿克苏供电公司 | Relay protection on-line monitoring system based on big data |
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| CN103607044B (en) | 2016-08-17 |
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