CN107124247A - Communication means between route protection travelling wave ranging integrated apparatus and its traveling wave information station - Google Patents
Communication means between route protection travelling wave ranging integrated apparatus and its traveling wave information station Download PDFInfo
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- CN107124247A CN107124247A CN201710143046.2A CN201710143046A CN107124247A CN 107124247 A CN107124247 A CN 107124247A CN 201710143046 A CN201710143046 A CN 201710143046A CN 107124247 A CN107124247 A CN 107124247A
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- traveling wave
- frame
- communication
- protection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/26—Special purpose or proprietary protocols or architectures
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Computing Systems (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses communication means between a kind of route protection travelling wave ranging integrated apparatus and its traveling wave information station.This method is based on the existing interior communication module of line protection and interior communication passage, and protection DSP module and traveling wave DSP module realize the information exchange with opposite end by interior communication passage.Traveling wave communication module utilizes the spare fields transmission traveling wave information for protecting communications data frame.One complete traveling wave information is divided into multiframe according to the length of spare fields and is transmitted, and many content frames can be spliced into a complete traveling wave information by traveling wave communication receipt module according to the frame number in traveling wave frame frame head and totalframes.Using the method for the present invention, although protection communication and traveling wave communication shared communication link, but traveling wave communication does not interfere with the bandwidth and reliability of protection communication.After method using the present invention, without additionally configuring special designated lane or network communication channel for travelling wave ranging function, communications cost and maintenance management cost can be reduced, is conducive to simplifying engineering debugging.
Description
Technical field
The present invention relates to electric network protection and automatic technology, more particularly to a kind of route protection travelling wave ranging integrated apparatus
And its communication means between traveling wave information station.
Background technology
The line protection being widely used at present carries out fault localization using impedance methodologies, and this method, which is vulnerable to, is
The influence for the method for operation, transition resistance, attenuating dc component and the measurement error of uniting, it is difficult to realize accurate fault location.Improve
A kind of effective way of line fault range accuracy is the increase travelling wave ranging function in line protection, constitutes circuit
Travelling wave ranging integrated apparatus is protected, so that monitored circuit can realize both-end travelling wave ranging and Single Terminal Traveling Wave Fault Location function.
Both-end travelling wave ranging has the advantages that adaptability and reliability are higher relative to Single Terminal Traveling Wave Fault Location, but between needing to have station
Traveling wave communication port is to realize both-end traveling wave information exchange.Although it can be travelling wave ranging function specific assigned designated lane, or
Network communication channel between configuration station, but can all increase communications cost and maintenance management cost, increase engineering debugging complexity.Due to
The line protection generally configured interior communication passage for differential protection, therefore for route protection travelling wave ranging
Integrated apparatus is, it is necessary to study the method that the communication of traveling wave information is realized by existing interior communication passage.
The content of the invention
It is an object of the invention to provide a kind of route protection travelling wave ranging integrated apparatus.The present invention based on power transmission line
Line protection device is to be based on existing interior communication module and interior communication passage, and protection DSP module and traveling wave DSP module are led to
Cross same interior communication module and the realization of interior communication passage and the information exchange of opposite end.
Another object of the present invention is to provide a kind of traveling wave information communication of route protection travelling wave ranging integrated apparatus
Method, the present invention utilizes the spare fields for protecting communications data frame to transmit traveling wave information, and is utilized by way of multiframe is spliced
Limited spare fields transmit substantial amounts of traveling wave information.
The technical proposal of the invention is realized in this way：The route protection travelling wave ranging integrated apparatus of the present invention, route protection
Travelling wave ranging integrated apparatus has relay protection of transmission line function and travelling wave ranging function, includes traveling wave DSP module, guarantor
DSP module, interior communication module are protected, protection DSP module and traveling wave DSP module are by between same interior communication module and station
Communication port realizes the information exchange with opposite end.
Communication means, traveling wave DSP module between the traveling wave information station of the route protection travelling wave ranging integrated apparatus of the present invention
In traveling wave communication module using protect communications data frame spare fields transmit traveling wave information, protection DSP module in protection
Communication module is to traveling wave information by the way of transparent transmission, i.e., protection communication module, which is indifferent to insert, protects communications data frame standby
With the concrete meaning of the traveling wave information of field, the concrete meaning of traveling wave information is defined and explained by traveling wave signal procedure.
The beneficial effects of the invention are as follows：The inventive method can be led to based on the existing interior communication of line protection
Road, is that traveling wave information communicates between route protection travelling wave ranging integrated apparatus realizes station, without additionally matching somebody with somebody for travelling wave ranging function
Special designated lane or network communication channel is put, communications cost and maintenance management cost can be reduced, is conducive to simplifying engineering tune
Examination.The inventive method achieves the fusion that protection communication and traveling wave communicate, the integrally makeup of route protection travelling wave ranging is improved
The integrated level and ease for use put.Using the method for the present invention, although protection communication and traveling wave communication shared communication link, due to row
Wave communication is to utilize the spare fields for protecting data frame, therefore traveling wave communication does not interfere with the bandwidth and reliability of protection communication.
Brief description of the drawings
Fig. 1 is route protection travelling wave ranging integrated apparatus application scenarios schematic diagram；
Fig. 2 is route protection travelling wave ranging integrated apparatus high-level schematic functional block diagram；
Fig. 3 is to utilize the data frame schematic diagram for protecting data frame transfer traveling wave information.
Embodiment
Increase the method for travelling wave signal collection in relay protection of transmission line device the embodiments of the invention provide a kind of,
The embodiment of the embodiment of the present invention is as follows：
The route protection travelling wave ranging integrated apparatus of the present invention has relay protection of transmission line function and travelling wave ranging function,
Include traveling wave DSP module, protection DSP module, interior communication module, protection DSP module and traveling wave DSP module are by same
Individual interior communication module and interior communication passage realize the information exchange with opposite end.
In [c1] the present embodiment, above-mentioned traveling wave DSP module includes traveling wave communication module.In the present embodiment, above-mentioned protection
DSP module includes protection communication module.
Communication means, traveling wave DSP module between the traveling wave information station of the route protection travelling wave ranging integrated apparatus of the present invention
In traveling wave communication module using protect communications data frame spare fields transmit traveling wave information, protection DSP module in protection
Communication module is to traveling wave information by the way of transparent transmission, i.e., protection communication module, which is indifferent to insert, protects communications data frame standby
With the concrete meaning of the traveling wave information of field, the concrete meaning of traveling wave information is defined and explained by traveling wave signal procedure.
In the present embodiment, the traveling wave communication frame in traveling wave communication module be designed as comprising traveling wave frame frame head, traveling wave content frame,
Traveling wave frame postamble；Traveling wave frame frame head includes frame type, totalframes and frame number information, and traveling wave frame postamble is used for traveling wave data frame
Verification, traveling wave content frame according to traveling wave frame type carry out special definition.Traveling wave frame type can include this wave head moment of side the 1st
Information frame, this wave head time information frame of side the 2nd, this side Single Terminal Traveling Wave Fault Location object information frame etc..
When protecting the spare fields long enough of communications data frame, the complete traveling wave letter of each traveling wave data frame transfer one
Breath；When the spare fields for protecting communications data frame fall short of, traveling wave communication sending module divides a complete traveling wave information
It is transmitted, is identified by the frame number and totalframes of traveling wave frame frame head, traveling wave communication receipt module is according to row into multiframe
The content for being divided into multiframe is spliced into a complete traveling wave information by ripple frame frame originating point information.
Protection communication module in protection DSP module is responsible for the protection data frame of tissue completely, passes through interior communication module
Sent through interior communication passage, the content delivery received is given protection communication module by receiving side interior communication module；Traveling wave communicates
Module then carries out data interaction with protection communication module, and traveling wave interior communication is realized by protection communication module.
Traveling wave communication module is delivered according to the length tissue traveling wave data frames of spare fields, and by the traveling wave data frame of composition
Protection communication module is given, protection communication module, which is filled into the spare fields of protection data frame, to be sent；Receiving side protection is logical
The content of spare fields is removed and consigns to traveling wave communication module by letter module.
Communication means is based on transmission line of electricity between the traveling wave information station of the route protection travelling wave ranging integrated apparatus of the present invention
The existing interior communication module of protection device and interior communication passage, protection DSP module and traveling wave DSP module between station by leading to
Believe that passage realizes the information exchange with opposite end.Traveling wave communication module utilizes the spare fields transmission traveling wave letter for protecting communications data frame
Breath.One complete traveling wave information is divided into multiframe according to the length of spare fields and is transmitted, and traveling wave communication receipt module can root
Many content frames are spliced into a complete traveling wave information according to the frame number and totalframes in traveling wave frame frame head.Using the present invention's
Communication means between the traveling wave information station of route protection travelling wave ranging integrated apparatus, although protection communication and traveling wave communication are shared logical
Believe link, but traveling wave communication does not interfere with the bandwidth and reliability of protection communication.Using the route protection travelling wave ranging of the present invention
Between the traveling wave information station of integrated apparatus after communication means, without for travelling wave ranging function additionally configure special designated lane or
Network communication channel, can reduce communications cost and maintenance management cost, be conducive to simplifying engineering debugging.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is any
Those familiar with the art is in the technical scope of the disclosure of the present invention, the change or replacement that can be readily occurred in, all
It should be included within the scope of the present invention.
The device of pilot wire relays, both-end travelling wave ranging originally circuit both sides coordinates what is completed.
Claims (5)
1. a kind of route protection travelling wave ranging integrated apparatus, it is characterised in that：Route protection travelling wave ranging integrated apparatus has
There are relay protection of transmission line function and travelling wave ranging function, include traveling wave DSP module, protection DSP module, interior communication mould
Block, protection DSP module and traveling wave DSP module are realized and opposite end by same interior communication module and interior communication passage
Information exchange.
2. route protection travelling wave ranging integrated apparatus according to claim 1, it is characterised in that above-mentioned traveling wave DSP module
Include traveling wave communication module.
3. route protection travelling wave ranging integrated apparatus according to claim 1, it is characterised in that above-mentioned protection DSP module
Include protection communication module.
4. communication means between a kind of traveling wave information station of the travelling wave ranging integrated apparatus of route protection according to claim 1,
It is characterized in that：Traveling wave communication module in traveling wave DSP module utilizes the spare fields transmission traveling wave letter for protecting communications data frame
Protection communication module in breath, protection DSP module by the way of transparent transmission, that is, protects communication module to be not related to traveling wave information
The heart inserts the concrete meaning of the traveling wave information of protection communications data frame spare fields, and the concrete meaning of traveling wave information is communicated by traveling wave
Application definition and explanation.
5. communication means between the traveling wave information station of route protection travelling wave ranging integrated apparatus according to claim 4, its
It is characterised by：Traveling wave communication frame is designed as including traveling wave frame frame head, traveling wave content frame, traveling wave frame postamble；Traveling wave frame frame head is included
Frame type, totalframes and frame number information, traveling wave frame postamble are used for the verification to traveling wave data frame, and traveling wave content frame is according to traveling wave
Frame type carries out special definition；When protecting the spare fields long enough of communications data frame, each traveling wave data frame transfer one
Complete traveling wave information；When the spare fields for protecting communications data frame fall short of, traveling wave communication sending module is complete by one
Traveling wave information be divided into multiframe and be transmitted, be identified by the frame number and totalframes of traveling wave frame frame head, traveling wave communication connects
Receive module and the content for being divided into multiframe is spliced into by a complete traveling wave information according to traveling wave frame frame originating point information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143046.2A CN107124247A (en) | 2017-03-10 | 2017-03-10 | Communication means between route protection travelling wave ranging integrated apparatus and its traveling wave information station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710143046.2A CN107124247A (en) | 2017-03-10 | 2017-03-10 | Communication means between route protection travelling wave ranging integrated apparatus and its traveling wave information station |
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| CN107124247A true CN107124247A (en) | 2017-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710143046.2A Pending CN107124247A (en) | 2017-03-10 | 2017-03-10 | Communication means between route protection travelling wave ranging integrated apparatus and its traveling wave information station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535596A (en) * | 2018-04-10 | 2018-09-14 | 南京南瑞继保电气有限公司 | A kind of travelling wave ranging method not depending on clock synchronization |
| CN111679153A (en) * | 2020-06-16 | 2020-09-18 | 南京南瑞继保电气有限公司 | Power distribution network fault location method and system and integrated traveling wave location device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448040A (en) * | 1998-04-14 | 2003-10-08 | 三星电子株式会社 | Data transmission method inb mobile communication system |
| CN102967799A (en) * | 2012-11-29 | 2013-03-13 | 深圳市双合电气股份有限公司 | Comprehensive fault distance measuring method for electric power system |
| CN204613348U (en) * | 2015-04-29 | 2015-09-02 | 南京南瑞继保电气有限公司 | A kind of relay protection of transmission line travelling wave ranging integrated apparatus |
| CN105629127A (en) * | 2015-12-23 | 2016-06-01 | 南京国电南自电网自动化有限公司 | EHV line protection method with integration with traveling wave ranging function |
-
2017
- 2017-03-10 CN CN201710143046.2A patent/CN107124247A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448040A (en) * | 1998-04-14 | 2003-10-08 | 三星电子株式会社 | Data transmission method inb mobile communication system |
| CN102967799A (en) * | 2012-11-29 | 2013-03-13 | 深圳市双合电气股份有限公司 | Comprehensive fault distance measuring method for electric power system |
| CN204613348U (en) * | 2015-04-29 | 2015-09-02 | 南京南瑞继保电气有限公司 | A kind of relay protection of transmission line travelling wave ranging integrated apparatus |
| CN105629127A (en) * | 2015-12-23 | 2016-06-01 | 南京国电南自电网自动化有限公司 | EHV line protection method with integration with traveling wave ranging function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535596A (en) * | 2018-04-10 | 2018-09-14 | 南京南瑞继保电气有限公司 | A kind of travelling wave ranging method not depending on clock synchronization |
| CN111679153A (en) * | 2020-06-16 | 2020-09-18 | 南京南瑞继保电气有限公司 | Power distribution network fault location method and system and integrated traveling wave location device |
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Application publication date: 20170901 |