CN108390738A - A kind of data transmission method and system based on the synchronization of intelligent substation clock - Google Patents
A kind of data transmission method and system based on the synchronization of intelligent substation clock Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/28—Flow control; Congestion control in relation to timing considerations
- H04L47/283—Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/625—Queue scheduling characterised by scheduling criteria for service slots or service orders
- H04L47/6275—Queue scheduling characterised by scheduling criteria for service slots or service orders based on priority
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Abstract
The present invention relates to a kind of data transmission method synchronized based on intelligent substation clock and systems, including：The corresponding type of message of the data flow is analyzed according to the transmission mode of data flow；It is that the data flow distributes output priority, and the data flow is mapped in the output queue of corresponding interchanger and is transmitted according to type of message.A kind of data transmission method synchronized based on intelligent substation clock provided by the invention and system, by the way that the corresponding type of message of the data flow will be analyzed according to the transmission mode of data flow, it is that the data flow distributes output priority according to type of message, and the data flow is mapped in the output queue of corresponding interchanger and is transmitted, even if can make message under situation of the network compared with congestion, still it can ensure the preferential forwarding of PDEelay_Rep, PDEelay_Resp message, two-way approach delay is almost the same, and final clock synchronization precision increases substantially.
Description
Technical field
The present invention relates to intelligent substation clock field of synchronization, and in particular to it is a kind of based on intelligent substation clock synchronize
Data transmission method and system.
Background technology
Intelligence is hommization, and imaging people is exactly in substation is adjusting the same, the power transformation when low-voltage load amount increases
It stands and sends out the electricity that satisfaction increases load, when low-voltage load amount reduces, substation sends out electricity and reduces therewith, it is ensured that saves
The energy.Intelligent substation is to use advanced, reliable, integrated and environmentally friendly smart machine, with whole station information digitalization, communications platform
Networking, information sharing are standardized as basic demand, are automatically performed information collection, measurement, control, protection, metering and detection etc.
Basic function, meanwhile, have support power grid to automatically control in real time, intelligence is adjusted, on-line analysis decision and collaboration interaction etc. are advanced
The substation of function.
Intelligent substation includes mainly intelligent high-voltage equipment and substation's integration information platform two parts, when the method for operation is sent out
When raw change, voltage, power situation of the equipment according to system decide whether to adjust tap；When equipment when something goes wrong, can send out
Go out early warning and state parameter is provided etc., operational management cost is reduced to a certain extent, reduces hidden danger, and improving transformer station high-voltage side bus can
By property.
Automated system is divided into station level, wall and mistake by intelligent substation by the information layered mode of IEC61850
Thus communication network is divided into station dead level network and process by journey layer to realize whole station information digitalization and communications platform networking
Layer network.With intelligent substation and the growth requirement of secondary device networking, network-based Time synchronization technique has more
Extensive demand.
Unified time reference is relay protection and the base that other automation equipments securely and reliably work in intelligent substation
The foundation of plinth and Correct Analysis electric network fault and cause of accident, due to network congestion, causes two-way in intelligent substation
The path delay of time it is inconsistent, it is final to reduce clock synchronization precision.
Invention content
In order to solve the network congestion in the presence of the prior art, cause the two-way path delay of time inconsistent, final reduction
Clock synchronization precision is insufficient, and the present invention provides a kind of data transmission method synchronized based on intelligent substation clock, method includes：
The corresponding type of message of the data flow is analyzed according to the transmission mode of data flow；
It is that the data flow distributes output priority, and the data flow is mapped to corresponding exchange according to type of message
It is transmitted in the output queue of machine.
Preferably, described to include according to the corresponding type of message of the transmission mode of the data flow analysis data flow：It is based on
It is ethernet type is 0x88f7 that the data stream filtering, which goes out to meet filtering rule, and messagetype=2 or
PDEelay_Rep, PDEelay_Resp message of messagetype=3；
Filter out that meet filtering rule be the SV messages that ethernet type is 0x88BA；
Filter out that meet filtering rule be the GOOSE message that ethernet type is 0x88B8.
Preferably, described according to type of message, output priority is distributed for the data flow, and the data flow is mapped
To be transmitted in the output queue of corresponding interchanger including：
PDEelay_Rep, PDEelay_Resp and SV message is set as the first priority packet, and will be described
The corresponding data flow of PDEelay_Rep, PDEelay_Resp and SV message is mapped in the first priority output queue and is passed
It is defeated；
The SV messages are set as the first priority packet, and the corresponding data flow of the SV messages is mapped to first
It is transmitted in priority output queue；
The GOOSE message is set as the second priority packet, and the corresponding data flow of the SV messages is mapped to
It is transmitted in second priority output queue；
First priority is higher than second priority.
Preferably, the data flow is mapped in the output queue of corresponding interchanger before being transmitted and further includes：
Set 7 output queues；
And the dispatching algorithm of interchanger is set as：It is passed successively according to from output queue 7 to the sequence of output queue 1
It is defeated.
Preferably, the corresponding output queue of first priority is set as output queue 7.
Preferably, the corresponding output queue of second priority is set as output queue 4.
A kind of data transmission system synchronized based on intelligent substation clock, including：
Analysis module：For analyzing the corresponding type of message of the data flow according to the transmission mode of data；
Distribution module：For being that the data flow distributes output priority, and the data flow is reflected according to type of message
It is mapped in the output queue of corresponding interchanger and is transmitted.
Preferably, the analysis module includes packet filtering rules unit；
The packet filtering rules unit, goes out to meet rule for being based on data stream filtering and for ethernet type is
0x88f7, and PDEelay_Rep, PDEelay_Resp message of messagetype=2 or messagetype=3；
Filter out that meet filtering rule be the SV messages that ethernet type is 0x88BA；
Filter out that meet filtering rule be the GOOSE message that ethernet type is 0x88B8.
Preferably, the distribution module includes map unit；
The map unit, it is preferential for PDEelay_Rep, PDEelay_Resp and SV message to be set as first
Grade message, and it is defeated that the corresponding data flow of PDEelay_Rep, PDEelay_Resp and SV message is mapped to the first priority
It is transmitted in dequeue；
The SV messages are set as the first priority packet, and the corresponding data flow of the SV messages is mapped to first
It is transmitted in priority output queue；
The GOOSE message is set as the second priority packet, and the corresponding data flow of the SV messages is mapped to
It is transmitted in second priority output queue.
Preferably, the distribution module further includes：Setup unit；
The setup unit is for setting 7 output queues；
And the dispatching algorithm of interchanger is set as：It is passed successively according to from output queue 7 to the sequence of output queue 1
It is defeated.
Compared with the immediate prior art, the application has the advantages that：
1, a kind of data transmission method synchronized based on intelligent substation clock provided by the invention and system, pass through basis
The transmission mode of data flow analyzes the corresponding type of message of the data flow, is data flow distribution output according to type of message
Priority, and the data flow is mapped in the output queue of corresponding interchanger and is transmitted, even if can make message
Under the situation that network hands over congestion, it still can ensure the preferential forwarding of PDEelay_Rep, PDEelay_Resp message, it is two-way
Path delay is almost the same, and final clock synchronization precision increases substantially.
2, a kind of data transmission method synchronized based on intelligent substation clock provided by the invention and system, pass through basis
The message that filtering rule filters out can significantly reduce the uncertainty of chain-circuit time delay by it according to priority transmission, to carry
High clock synchronization precision, haves no need to change network topology structure, will not be impacted to other service communications, and only needs handing over
Relevant configuration is done on changing planes, engineering construction is fairly simple.
Description of the drawings
Fig. 1：For the flow chart of a kind of data transmission method and system based on the synchronization of intelligent substation clock of the present invention；
Fig. 2：It is answered for a kind of the specific of data transmission method and system based on the synchronization of intelligent substation clock of the present invention
Use flow chart.
Specific embodiment
With reference to the accompanying drawings of the specification to a kind of data transmission synchronized based on intelligent substation clock provided by the invention
Method and system are described further.
In intelligent substation communication network before, set time substantially using P2P patterns, in this mode,
It is premised on assuming that the path delay of time of bi-directional transfer of data is identical when calculating the path delay between clock to master clock
, and gradually it is inferred to master-salve clock deviation Offest, but in intelligent substation communication network, especially process-level network
In, there are the causes not of uniform size of bi-directional data flow, cause congestion condition different, to which the output queue in switch port is medium
It waits for time difference, in this case it is still assumed that two-way approach time delay is identical, final clock synchronization can be caused inaccurate, or even in pole
It holds under congestion situation, meeting clock synchronization is abnormal, and with reference to illustration is implemented, 15588 clock synchronization optimization methods are described in detail；
The flow chart of a kind of data transmission method and system based on the synchronization of intelligent substation clock as shown in Figure 1, it is first
The corresponding type of message of the data flow is first analyzed according to the transmission mode of data flow, is then data flow point according to type of message
With output priority, and the data flow is mapped in the output queue of corresponding interchanger and is transmitted.
The concrete application stream of a kind of data transmission method and system based on the synchronization of intelligent substation clock as shown in Figure 2
Cheng Tu, it is necessary first to it is P2P to configure PTP mode switchers in intelligent substation, in network all interchangers receive sync and
Processing mode after follow_up messages is forwarded to each port, and packet parsing is carried out to the perception of content module of interchanger,
Packet filtering rule is set, PDEelay_Rep, PDEelay_Resp message filtered out is gone out according to packet filtering rule-based filtering,
Meet ethernet type for 0x88f7, and messagetype=2 or messagetype=3, and puts it into interchanger
Priority be 7 output queue；It is 0x88B8 to meet ethernet type, and the GOOSE message filtered out meets ethernet type
It is put into the output queue that the priority of interchanger is 4 for the message of 0x88BA；The SV messages filtered out, and put it into priority
For 4 output queue；The qos feature of interchanger is set, finally by priority mapping relationship, is once mapped to height from high to low and arrives
Low output queue, and the dispatching algorithm that interchanger is arranged is strict priority scheduling.
The present invention also provides a kind of data transmission system synchronized based on intelligent substation clock, analysis module first is used
In analyzing the corresponding type of message of the data flow according to the transmission mode of data, distribution module is used to according to type of message be number
Output priority is distributed according to stream, and the data flow is mapped in the output queue of corresponding interchanger and is transmitted
There are filter element and resolution unit in analysis module, filter element is for filtering out PDEelay_Rep, PDEelay_
Resp messages meet ethernet type for 0x88f7, and messagetype=2 or messagetype=3；It filters out
SV messages, it is 0x88BA to meet ethernet type；The GOOSE message filtered out, it is 0x88B8 to meet ethernet type, and parsing is single
Member parses message under the pattern of the PTP interchangers of configuration for the interchanger；Being put into module has
PDEelay_Rep, PDEelay_Resp message unit, PDEelay_Rep, PDEelay_Resp message unit, for that will filter
Go out PDEelay_Rep, PDEelay_Resp message, meet ethernet type be 0x88f7, and messagetype=2 or
The output queue that the priority that the message of messagetype=3 is put into interchanger is 7；SV message units, for what be will filter out
SV messages meet the message that ethernet type is 0x88BA and are put into the output queue that the priority of interchanger is 7；GOOSE message
Unit, the GOOSE message for will filter out meet the message that ethernet type is 0x88BA and are put into the priority of interchanger and be
4 output queue；
There are map unit and setting unit, map unit to be used for described PDEelay_Rep, PDEelay_ in distribution module
Resp and SV messages are set as the first priority packet, and PDEelay_Rep, PDEelay_Resp and SV message is corresponded to
Data flow be mapped in the first priority output queue and be transmitted；
The SV messages are set as the first priority packet, and the corresponding data flow of the SV messages is mapped to first
It is transmitted in priority output queue；
The GOOSE message is set as the second priority packet, and the corresponding data flow of the SV messages is mapped to
It is transmitted in second priority output queue；
Setting unit is used to pre-set the qos feature of interchanger, and the dispatching algorithm that interchanger is arranged is from high to low
Priority output queue sets the priority where output queue 7 to highest priority.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, the application can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to method, the flow of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It these are only the embodiment of the present invention, be not intended to restrict the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution, improvement and etc. done, be all contained in apply pending scope of the presently claimed invention it
It is interior.
Claims (10)
1. a kind of data transmission method synchronized based on intelligent substation clock, which is characterized in that method includes：
The corresponding type of message of the data flow is analyzed according to the transmission mode of data flow；
It is that the data flow distributes output priority, and the data flow is mapped to corresponding interchanger according to type of message
It is transmitted in output queue.
2. data transmission method as described in claim 1, which is characterized in that described to analyze institute according to the transmission mode of data flow
Stating the corresponding type of message of data flow includes：It flows through based on the data and filters out that meet filtering rule be that ethernet type is
0x88f7, and PDEelay_Rep, PDEelay_Resp message of messagetype=2 or messagetype=3；
Filter out that meet filtering rule be the SV messages that ethernet type is 0x88BA；
Filter out that meet filtering rule be the GOOSE message that ethernet type is 0x88B8.
3. data transmission method as described in claim 1, which is characterized in that it is described according to type of message, it is the data flow
Distribute output priority, and the data flow is mapped in the output queue of corresponding interchanger be transmitted including：
PDEelay_Rep, PDEelay_Resp and SV message is set as the first priority packet, and will be described
The corresponding data flow of PDEelay_Rep, PDEelay_Resp and SV message is mapped in the first priority output queue and is passed
It is defeated；
The SV messages are set as the first priority packet, and the corresponding data flow of the SV messages is mapped to first preferentially
It is transmitted in grade output queue；
The GOOSE message is set as the second priority packet, and the corresponding data flow of the SV messages is mapped to second
It is transmitted in priority output queue；
First priority is higher than second priority.
4. data transmission method as described in claim 1, which is characterized in that the data flow is mapped to corresponding interchanger
Output queue in be transmitted before further include：
Set 7 output queues；
And the dispatching algorithm of interchanger is set as：It is transmitted successively according to from output queue 7 to the sequence of output queue 1.
5. data transmission method as claimed in claim 3, which is characterized in that the corresponding output team of setting first priority
It is classified as output queue 7.
6. data transmission method as claimed in claim 5, which is characterized in that the corresponding output team of setting second priority
It is classified as output queue 4.
7. a kind of data transmission system synchronized based on intelligent substation clock, which is characterized in that including：
Analysis module：For analyzing the corresponding type of message of the data flow according to the transmission mode of data；
Distribution module：For being that the data flow distributes output priority, and the data flow is mapped to according to type of message
It is transmitted in the output queue of corresponding interchanger.
8. data transmission system as claimed in claim 7, which is characterized in that the analysis module includes that packet filtering rule is single
Member；
The packet filtering rules unit, for being based on data stream filtering to go out to meet rule being ethernet type being 0x88f7, and
And PDEelay_Rep, PDEelay_Resp message of messagetype=2 or messagetype=3；
Filter out that meet filtering rule be the SV messages that ethernet type is 0x88BA；
Filter out that meet filtering rule be the GOOSE message that ethernet type is 0x88B8.
9. data transmission system as claimed in claim 7, which is characterized in that the distribution module includes map unit；
The map unit, for PDEelay_Rep, PDEelay_Resp and SV message to be set as the first priority report
Text, and the corresponding data flow of PDEelay_Rep, PDEelay_Resp and SV message is mapped to the first priority and exports team
It is transmitted in row；
The SV messages are set as the first priority packet, and the corresponding data flow of the SV messages is mapped to first preferentially
It is transmitted in grade output queue；
The GOOSE message is set as the second priority packet, and the corresponding data flow of the SV messages is mapped to second
It is transmitted in priority output queue.
10. data transmission system as claimed in claim 7, which is characterized in that the distribution module further includes：Setup unit；
The setup unit is for setting 7 output queues；
And the dispatching algorithm of interchanger is set as：It is transmitted successively according to from output queue 7 to the sequence of output queue 1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088829A (en) * | 2018-09-20 | 2018-12-25 | 南方科技大学 | A kind of data dispatching method, device, storage medium and equipment |
| CN111163058A (en) * | 2019-12-09 | 2020-05-15 | 京信通信系统（中国）有限公司 | DPDK data encryption processing method, device and network equipment |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753578A (en) * | 2009-12-22 | 2010-06-23 | 电信科学技术第五研究所 | ETHERNET/EI protocol conversion method and protocol converter |
| CN101815357A (en) * | 2010-04-23 | 2010-08-25 | 华为技术有限公司 | Wireless carrying internal data sending method and device |
| JP2013187766A (en) * | 2012-03-08 | 2013-09-19 | Fujitsu Ltd | Data block output device, communication system, data block output method and communication method |
| CN103812787A (en) * | 2014-03-03 | 2014-05-21 | 国家电网公司 | Electric power telecommunication network message prior forwarding method |
| CN104243350A (en) * | 2014-07-14 | 2014-12-24 | 国家电网公司 | Method and system for processing service flows of power converter |
| CN104283746A (en) * | 2014-09-26 | 2015-01-14 | 中国南方电网有限责任公司电网技术研究中心 | System and method for achieving digital substation three-in-one network through FPGA |
| CN104394098A (en) * | 2014-11-20 | 2015-03-04 | 迈普通信技术股份有限公司 | Message processing method and device |
| CN104579962A (en) * | 2015-01-23 | 2015-04-29 | 盛科网络（苏州）有限公司 | Method and device for differentiating QoS strategies of different messages |
| CN104979904A (en) * | 2015-05-22 | 2015-10-14 | 国网智能电网研究院 | Service message processing method applicable to power communication test platform |
| CN105743681A (en) * | 2014-12-12 | 2016-07-06 | 国家电网公司 | Time-delay visualization analysis method for process-level communication network and system |
| WO2017000836A1 (en) * | 2015-06-29 | 2017-01-05 | 华为技术有限公司 | Message transmission method and device |
| CN106341296A (en) * | 2016-09-14 | 2017-01-18 | 国家电网公司 | Method of avoiding data message collision in communication network within transformer substation |
| CN106788839A (en) * | 2016-11-18 | 2017-05-31 | 中国电力科学研究院 | A kind of digital transformer substation time synchronized performance detection method and its device |
-
2018
- 2018-01-29 CN CN201810084812.7A patent/CN108390738A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753578A (en) * | 2009-12-22 | 2010-06-23 | 电信科学技术第五研究所 | ETHERNET/EI protocol conversion method and protocol converter |
| CN101815357A (en) * | 2010-04-23 | 2010-08-25 | 华为技术有限公司 | Wireless carrying internal data sending method and device |
| JP2013187766A (en) * | 2012-03-08 | 2013-09-19 | Fujitsu Ltd | Data block output device, communication system, data block output method and communication method |
| CN103812787A (en) * | 2014-03-03 | 2014-05-21 | 国家电网公司 | Electric power telecommunication network message prior forwarding method |
| CN104243350A (en) * | 2014-07-14 | 2014-12-24 | 国家电网公司 | Method and system for processing service flows of power converter |
| CN104283746A (en) * | 2014-09-26 | 2015-01-14 | 中国南方电网有限责任公司电网技术研究中心 | System and method for achieving digital substation three-in-one network through FPGA |
| CN104394098A (en) * | 2014-11-20 | 2015-03-04 | 迈普通信技术股份有限公司 | Message processing method and device |
| CN105743681A (en) * | 2014-12-12 | 2016-07-06 | 国家电网公司 | Time-delay visualization analysis method for process-level communication network and system |
| CN104579962A (en) * | 2015-01-23 | 2015-04-29 | 盛科网络（苏州）有限公司 | Method and device for differentiating QoS strategies of different messages |
| CN104979904A (en) * | 2015-05-22 | 2015-10-14 | 国网智能电网研究院 | Service message processing method applicable to power communication test platform |
| WO2017000836A1 (en) * | 2015-06-29 | 2017-01-05 | 华为技术有限公司 | Message transmission method and device |
| CN106341296A (en) * | 2016-09-14 | 2017-01-18 | 国家电网公司 | Method of avoiding data message collision in communication network within transformer substation |
| CN106788839A (en) * | 2016-11-18 | 2017-05-31 | 中国电力科学研究院 | A kind of digital transformer substation time synchronized performance detection method and its device |
Non-Patent Citations (1)
| Title |
|---|
| 黎锐烽等: "IEEE 1588同步时钟网络时延误差的分析及修正", 《电力系统自动化》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088829A (en) * | 2018-09-20 | 2018-12-25 | 南方科技大学 | A kind of data dispatching method, device, storage medium and equipment |
| CN109088829B (en) * | 2018-09-20 | 2022-09-20 | 南方科技大学 | Data scheduling method, device, storage medium and equipment |
| CN111163058A (en) * | 2019-12-09 | 2020-05-15 | 京信通信系统（中国）有限公司 | DPDK data encryption processing method, device and network equipment |
| CN111163058B (en) * | 2019-12-09 | 2021-11-02 | 京信网络系统股份有限公司 | DPDK data encryption processing method, device and network equipment |
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