CN106199273B - A kind of test macro and multiplexer channel transmission method of digital protection test device - Google Patents
A kind of test macro and multiplexer channel transmission method of digital protection test device Download PDFInfo
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- CN106199273B CN106199273B CN201610573958.9A CN201610573958A CN106199273B CN 106199273 B CN106199273 B CN 106199273B CN 201610573958 A CN201610573958 A CN 201610573958A CN 106199273 B CN106199273 B CN 106199273B
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- 238000012360 testing method Methods 0.000 title claims abstract description 107
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 12
- 241000272814 Anser sp. Species 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 12
- 239000013307 optical fiber Substances 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 230000007257 malfunction Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
Abstract
The invention discloses a kind of test macros of digital protection test device, including management board and muti-piece intelligent plate, management board is connected with host computer, host computer test command is parsed, management board carries out data communication using high-speed bus also between muti-piece intelligent plate, each intelligent plate passes through optical fiber interface thereon respectively and is connected with corresponding digital protection test device, high-speed bus transmits multimode amplitude or instantaneous point data to each intelligent plate for management board, the CAN fieldbus for subsidiary communications is additionally provided between management board and muti-piece intelligent plate, CAN fieldbus is used for test command between management board and each intelligent plate and transmits, intelligent plate forwards management board after receiving GOOSE message.The present invention improves high-speed bus transmission mode, using management board and intelligent plate division of labor cooperation, realizes multi-channel analog tunnel data transport, meets the test needs of digital protection test device, have a good application prospect.
Description
Technical field
The present invention relates to digital transformer substation the field of test technology, and in particular to a kind of survey of digital protection test device
Test system and multiplexer channel transmission method.
Background technique
Digital transformer substation is to can be realized substation by intelligent primary equipment and the layering building of networking secondary device
Interior intelligent electric equipment room information sharing and interoperability.Digital protection test device needs test macro to provide satisfaction test need
All kinds of digital signals wanted are both needed to meet IEC61850 protocol communication specification, are broadly divided into two class messages: SV message and GOOSE
Message.SV message (Sampled Value), also referred to as Sampled Measured Value sampled measurement, are that one kind is used for
The communication service of real-time Transmission digital sample information.GOOSE message (Generic Object Oriented Substation
It Event is quickly to be reported in IEC61850 standard for meeting electric substation automation system) towards the transformer substation case of general object
A kind of communication mechanism of literary demand.
But due to partial digitized protection tester such as main transformer protection, bus differential protection, the digital signal for needing to acquire
More, general digital test instrument (test macro) is difficult to provide sufficient amount of interface matches one by one with digitalizer.Mesh
Before, digital protection test device generally requires SV message and provides sampled data, channel band with 4K sample rate (80 points of every cycle)
Width occupancy is larger, and still, if considering further that SV and GOOSE are transmitted in consolidated network, channel transmission data amount is further increased,
If require multiplexer channel to export simultaneously when test, the test macro internal communication bus that digital test instrument is constituted will become
Bottleneck, it is difficult to meet test needs, be current urgent problem.
Summary of the invention
Technical problem solved by the invention is the existing test macro for digital protection test device, and inside is logical
It is insufficient to interrogate bus number, it is difficult to meet the problem of test needs.The test macro of digital protection test device of the invention and
Multiplexer channel transmission method improves high-speed bus transmission mode, using management board and intelligent plate division of labor cooperation, realizes multi-channel analog
Tunnel data transport meets the test needs of digital protection test device, has a good application prospect.
In order to achieve the above object, the technical scheme adopted by the invention is that:
A kind of test macro of digital protection test device, it is characterised in that: including management board and muti-piece intelligent plate, institute
It states management board to be connected with host computer, host computer test command is parsed, the management board is also between muti-piece intelligent plate
Data communication is carried out using high-speed bus, each intelligent plate passes through optical fiber interface thereon respectively to be tested with corresponding digital protection
Device is connected, and the high-speed bus transmits multimode amplitude or instantaneous point data, the pipe to each intelligent plate for management board
The CAN fieldbus for subsidiary communications is additionally provided between reason plate and muti-piece intelligent plate, the CAN fieldbus is for managing
Test command transmitting, intelligent plate forward management board after receiving GOOSE message between plate and each intelligent plate.
The test macro of a kind of digital protection test device above-mentioned, it is characterised in that: further include PPS impulsive synchronization mould
Block, the PPS impulsive synchronization module is for realizing the time synchronization between management board and each intelligent plate.
The multiplexer channel transmission method of test macro based on above-mentioned digital protection test device, it is characterised in that:
Include the following steps,
Step (1), management board receive host computer test command, parse to host computer test command；
Step (2), needs of the management board according to test command, distinguishing tests type select to transmit when high-speed bus transmission
Data are multimode amplitude or instantaneous point data to corresponding intelligent plate；
Step (3), management board carry out data calculating according to the wire data type of selection；
(31) when intelligent plate is when receiving multimode amplitude, the multimode amplitude of management board output includes number of states, shape
State amplitude, each state retention time, quality position facilities；
(32) when SV and GOOSE common network transmits, the multimode way of output of the similar analog quantity of GOOSE message is determined；
When intelligent plate is when receiving instantaneous point data in (33), rated value has been set in advance in management board, and ratio utilizes
It tables look-up and displacement fast implements, for exporting instantaneous point ratio to corresponding intelligent plate；
Step (4), management board are packaged the data being calculated, and are sent to corresponding intelligence by high-speed bus
Plate；
Step (5), intelligent plate carry out message to the data after packing and receive and parsing, by optical fiber interface thereon with it is right
The digital protection test device answered is connected, and carries out the test of digital protection test device；
Step (6), management board passes through PPS impulsive synchronization module realization data to the synchronism output of each piece of intelligent plate, and connects
Receive the feedback message of each piece of intelligent plate of processing；
Step (7), if intelligent plate is using multimode amplitude transmission data, intelligent plate is opened by CAN fieldbus
After dynamic order, the PPS rising edge of a pulse that next PPS impulsive synchronization module generates, starting sends multimode amplitude data message；If
When intelligent plate is using instantaneous point transmission data, after intelligent plate obtains start command by CAN fieldbus, according to transient data,
It sends datagram in real time to management board.
The multiplexer channel transmission method of the test macro of the digital protection test device above-mentioned, feature exist
In: when intelligent plate is when receiving instantaneous point data in (33), by the way of two instantaneous points of every frame simultaneous transmission, once
The error of present frame message, is remedied using last time frame message, if two continuous frames message malfunctions, interrupt test immediately.
The beneficial effects of the present invention are: the test macro and multiplexer channel of digital protection test device of the invention are transmitted
Method improves high-speed bus transmission mode, using management board and intelligent plate division of labor cooperation, realizes that multi-channel analog channel data passes
It is defeated, meet the test needs of digital protection test device, has a good application prospect.
Detailed description of the invention
Fig. 1 is the system block diagram of the test macro of digital protection test device of the invention.
Fig. 2 is the message schematic diagram of the multimode amplitude of management board output of the invention.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, the test macro of digital protection test device of the invention, including management board and muti-piece intelligence
Plate, the management board are connected with host computer, parse to host computer test command, the management board also with muti-piece intelligent plate
Between data communication carried out using high-speed bus, each intelligent plate passes through optical fiber interface thereon and corresponding digital protection respectively
Test device is connected, and the high-speed bus transmits multimode amplitude or instantaneous point data, institute to each intelligent plate for management board
The CAN fieldbus being additionally provided between management board and muti-piece intelligent plate for subsidiary communications is stated, the CAN fieldbus is used for
Test command transmitting, intelligent plate forward management board after receiving GOOSE message between management board and each intelligent plate.
The invention also includes PPS impulsive synchronization module, the PPS impulsive synchronization module is for realizing management board and each intelligence
The test macro of time synchronization between plate, the digital protection test device of invention can make full use of test macro resource,
Information processing rate is improved, data transmission information amount is reduced, promotes test macro performance, betters meet intelligent substation number
Change device to test to need.
The multiplexer channel transmission method of test macro based on above-mentioned digital protection test device, including following step
Suddenly,
Step (1), management board receive host computer test command, parse to host computer test command；
Step (2), needs of the management board according to test command, distinguishing tests type select to transmit when high-speed bus transmission
Data are multimode amplitude or instantaneous point data to corresponding intelligent plate, wherein instantaneous point data is instantaneously surveyed for the short time
Try data；Multimode amplitude is directed to long-time multiple groups test data；
Step (3), management board carry out data calculating according to the wire data type of selection；
(31) when the multimode amplitude that intelligent plate is when receiving multimode amplitude, and management board exports, as shown in Fig. 2, including
Number of states, state amplitude, each state retention time, quality position facilities；
(32) when SV and GOOSE common network transmits, the multimode way of output of the similar analog quantity of GOOSE message is determined；
When intelligent plate is when receiving instantaneous point data in (33), rated value has been set in advance in management board, and ratio utilizes
It tables look-up and displacement fast implements, for exporting instantaneous point ratio to corresponding intelligent plate；
When intelligent plate is when receiving instantaneous point data, by the way of two instantaneous points of every frame simultaneous transmission, once currently
The error of frame message, is remedied using last time frame message, if two continuous frames message malfunctions, interrupt test immediately, improving safety can
By property.
Step (4), management board are packaged the data being calculated, and are sent to corresponding intelligence by high-speed bus
Plate；
Step (5), intelligent plate carry out message to the data after packing and receive and parsing, by optical fiber interface thereon with it is right
The digital protection test device answered is connected, and carries out the test of digital protection test device；
Step (6), management board passes through PPS impulsive synchronization module realization data to the synchronism output of each piece of intelligent plate, and connects
Receive the feedback message of each piece of intelligent plate of processing；
Step (7), if intelligent plate is using multimode amplitude transmission data, intelligent plate is opened by CAN fieldbus
After dynamic order, the PPS rising edge of a pulse that next PPS impulsive synchronization module generates, starting sends multimode amplitude data message；If
When intelligent plate is using instantaneous point transmission data, after intelligent plate obtains start command by CAN fieldbus, according to transient data,
It sends datagram in real time to management board.
In conclusion the test macro and multiplexer channel transmission method of digital protection test device of the invention, are improved
High-speed bus transmission mode realizes multi-channel analog tunnel data transport, meets number using management board and intelligent plate division of labor cooperation
The test for changing protection tester needs, and has a good application prospect.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of test macro of digital protection test device, it is characterised in that: described including management board and muti-piece intelligent plate
Management board is connected with host computer, parses to host computer test command, and the management board is also adopted between muti-piece intelligent plate
Data communication is carried out with high-speed bus, each intelligent plate passes through optical fiber interface thereon respectively and tests dress with corresponding digital protection
It sets and is connected, the high-speed bus transmits multimode amplitude or instantaneous point data, the management to each intelligent plate for management board
The CAN fieldbus for subsidiary communications is additionally provided between plate and muti-piece intelligent plate, the CAN fieldbus is used for management board
Test command transmitting, intelligent plate forward management board after receiving GOOSE message between each intelligent plate；
The test macro of the digital protection test device executes following steps,
Step (1), management board receive host computer test command, parse to host computer test command；
Step (2), needs of the management board according to test command, distinguishing tests type select to transmit data when high-speed bus transmission
It is multimode amplitude or instantaneous point data to corresponding intelligent plate；
Step (3), management board carry out data calculating according to the wire data type of selection；
(31) when intelligent plate is when receiving multimode amplitude, the multimode amplitude of management board output includes number of states, state width
Value, each state retention time, quality position facilities；
(32) when SV and GOOSE common network transmits, the multimode way of output of the similar analog quantity of GOOSE message is determined；
When intelligent plate is when receiving instantaneous point data in (33), rated value has been set in advance in management board, and ratio is utilized and tabled look-up
It is fast implemented with displacement, for exporting instantaneous point ratio to corresponding intelligent plate；
Step (4), management board are packaged the data being calculated, and are sent to corresponding intelligent plate by high-speed bus；
Step (5), intelligent plate carry out message to the data after packing and receive and parsing, by optical fiber interface thereon with it is corresponding
Digital protection test device is connected, and carries out the test of digital protection test device；
Step (6), management board realize synchronism output of the data to each piece of intelligent plate, and receiving area by PPS impulsive synchronization module
Manage the feedback message of each piece of intelligent plate；
Step (7), if intelligent plate is using multimode amplitude transmission data, intelligent plate obtains starting life by CAN fieldbus
After order, the PPS rising edge of a pulse that next PPS impulsive synchronization module generates, starting sends multimode amplitude data message；If intelligence
When plate is using instantaneous point transmission data, after intelligent plate obtains start command by CAN fieldbus, according to transient data, in real time
It sends datagram to management board.
2. a kind of test macro of digital protection test device according to claim 1, it is characterised in that: further include
PPS impulsive synchronization module, the PPS impulsive synchronization module is for realizing the time synchronization between management board and each intelligent plate.
3. the multiplexer channel transmission method of the test macro based on digital protection test device described in claim 1, special
Sign is: includes the following steps,
Step (1), management board receive host computer test command, parse to host computer test command；
Step (2), needs of the management board according to test command, distinguishing tests type select to transmit data when high-speed bus transmission
It is multimode amplitude or instantaneous point data to corresponding intelligent plate；
Step (3), management board carry out data calculating according to the wire data type of selection；
(31) when intelligent plate is when receiving multimode amplitude, the multimode amplitude of management board output includes number of states, state width
Value, each state retention time, quality position facilities；
(32) when SV and GOOSE common network transmits, the multimode way of output of the similar analog quantity of GOOSE message is determined；
When intelligent plate is when receiving instantaneous point data in (33), rated value has been set in advance in management board, and ratio is utilized and tabled look-up
It is fast implemented with displacement, for exporting instantaneous point ratio to corresponding intelligent plate；
Step (4), management board are packaged the data being calculated, and are sent to corresponding intelligent plate by high-speed bus；
Step (5), intelligent plate carry out message to the data after packing and receive and parsing, by optical fiber interface thereon with it is corresponding
Digital protection test device is connected, and carries out the test of digital protection test device；
Step (6), management board realize synchronism output of the data to each piece of intelligent plate, and receiving area by PPS impulsive synchronization module
Manage the feedback message of each piece of intelligent plate；
Step (7), if intelligent plate is using multimode amplitude transmission data, intelligent plate obtains starting life by CAN fieldbus
After order, the PPS rising edge of a pulse that next PPS impulsive synchronization module generates, starting sends multimode amplitude data message；If intelligence
When plate is using instantaneous point transmission data, after intelligent plate obtains start command by CAN fieldbus, according to transient data, in real time
It sends datagram to management board.
4. the multiplexer channel transmission side of the test macro of the digital protection test device according to claim 3
Method, it is characterised in that: when intelligent plate is when receiving instantaneous point data in (33), using two instantaneous points of every frame simultaneous transmission
Mode, once present frame message malfunction, remedied using last time frame message, if two continuous frames message malfunction, interrupt immediately
Test.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608450A (en) * | 2012-02-24 | 2012-07-25 | 江苏凌创电气自动化股份有限公司 | Testing and verifying system appropriate for intelligent transformer substation and verifying method |
| CN103323691A (en) * | 2013-03-13 | 2013-09-25 | 湖北省电力公司电力科学研究院 | Novel, intelligent and multifunctional comprehensive tester and testing method |
| WO2015032288A1 (en) * | 2013-09-05 | 2015-03-12 | 国家电网公司 | Intelligent substation secondary equipment test platform based on all-digital real-time simulation |
| CN105425077A (en) * | 2015-12-10 | 2016-03-23 | 国网四川省电力公司电力科学研究院 | Portable digital relay protection tester |
| CN105449847A (en) * | 2014-09-24 | 2016-03-30 | 南京南瑞继保电气有限公司 | Digital transformer substation testing system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202583354U (en) * | 2012-04-28 | 2012-12-05 | 国电南瑞（北京）控制系统有限公司 | Network type power quality on-line monitoring device |
-
2016
- 2016-07-20 CN CN201610573958.9A patent/CN106199273B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608450A (en) * | 2012-02-24 | 2012-07-25 | 江苏凌创电气自动化股份有限公司 | Testing and verifying system appropriate for intelligent transformer substation and verifying method |
| CN103323691A (en) * | 2013-03-13 | 2013-09-25 | 湖北省电力公司电力科学研究院 | Novel, intelligent and multifunctional comprehensive tester and testing method |
| WO2015032288A1 (en) * | 2013-09-05 | 2015-03-12 | 国家电网公司 | Intelligent substation secondary equipment test platform based on all-digital real-time simulation |
| CN105449847A (en) * | 2014-09-24 | 2016-03-30 | 南京南瑞继保电气有限公司 | Digital transformer substation testing system |
| CN105425077A (en) * | 2015-12-10 | 2016-03-23 | 国网四川省电力公司电力科学研究院 | Portable digital relay protection tester |
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Effective date of registration: 20170425 Address after: High road high tech Zone of Nanjing City, Jiangsu Province, No. 20 210061 Applicant after: NARI Technology Development Co., Ltd. Applicant after: State Grid Corporation of China Applicant after: State Grid Zhejiang Electric Power Company Applicant after: SGCC NARI Nanjing Control System Co., Ltd. Applicant after: Nanjing Nari Co., Ltd. Address before: High road high tech Zone of Nanjing City, Jiangsu Province, No. 20 210032 Applicant before: NARI Technology Development Co., Ltd. Applicant before: SGCC NARI Nanjing Control System Co., Ltd. |
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