CN106817240A - A kind of electric power private branch exchange system and its business collocation method - Google Patents
A kind of electric power private branch exchange system and its business collocation method Download PDFInfo
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- CN106817240A CN106817240A CN201510869811.XA CN201510869811A CN106817240A CN 106817240 A CN106817240 A CN 106817240A CN 201510869811 A CN201510869811 A CN 201510869811A CN 106817240 A CN106817240 A CN 106817240A
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- vlan
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- electric power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0886—Fully automatic configuration
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- 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]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/351—Switches specially adapted for specific applications for local area network [LAN], e.g. Ethernet switches
Abstract
The invention discloses a kind of electric power private branch exchange system and its business collocation method, and in particular to a kind of electric power private branch exchange system and its business collocation method automatically configured with relay protection business with communication path generative capacity.The technical problem to be solved is that the configuration of intelligent substation relay protection exchange service is complicated, and configuration work amount is big, easily artificial error etc..The present invention includes the data processing application specific processor A being connected with IED equipment, the dedicated ethernet exchange chip B and management application specific processor C that place is exchanged for Ethernet data are connected with data processing application specific processor A, described management application specific processor C is used to be managed for configuration data processing application specific processor A, dedicated ethernet exchange chip B, is connected with management application specific processor C and is provided with dedicated network processing unit D.Using the present invention after such technical scheme, workload is substantially reduced, reduce error probability, lift operating efficiency.
Description
Technical field
The present invention relates to a kind of interchanger, and in particular to a kind of electric power private branch exchange system and its business collocation method automatically configured with relay protection business with communication path generative capacity.
Background technology
Term of the present invention：
Layer 2 ethernet switch：Layer 2 ethernet switch belongs to data link layer device, can be forwarded according to MAC Address with the mac address information in identification data bag, and these MAC Address and corresponding port are recorded in oneself internal address table.
Specific workflow is as follows：
1. when interchanger receives a packet from certain port, it first reads the source MAC in packet header, and so it is known which port the machine of source MAC is connected on；
2. go to read the target MAC (Media Access Control) address in packet header again, and corresponding port is searched in address table；
3. as having port corresponding with this target MAC (Media Access Control) address in table, packet is copied directly on this port；
4. as can not find corresponding port in table if on data packet broadcast to all of the port, when purpose machine is responded to source machine, it is corresponding with which port that interchanger can record this purpose MAC Address again, is no longer needed for broadcasting all of the port in transmission data next time.This process is constantly circulated, can learn to arrive for the mac address information of the whole network, Layer 2 switch is exactly the address table for being built such that and safeguarding its own.
Electric power private branch exchange system：Refer to the layer 2 ethernet switch designed exclusively for the transmission for adapting to Ethernet data in intelligent substation of electric power system, special treatment is done for the data transmitted in intelligent substation, to meet the demand of particular data transmission.
SV messages：Transformer station process layer network analog quantity（Current-voltage sampling value）A kind of message format that transmission is used.
GOOSE message：It is a kind of general object-oriented transformer substation case abstract model of IEC61850 standards definition, there is provided（Such as order, alert）The mechanism of quick transmission, can be used for tripping operation and failure wave-recording startup etc..
IED equipment：IEC61850 standards are defined, and are applied to digital transformer substation.It is made up of one or more processors; with any equipment from external source reception and transmission data or control external source; such as multifunction electronic instrument, Microcomputer Protection, controller, the entity of one or more logic contact tasks is able to carry out in the range of interface is limited under particular circumstances.
SCD is substation in transformer substation IEC 61850 standard
The abbreviation of configuration description, i.e. whole station CONFIG.SYS.
Existing layer 2 ethernet switch will not parse GOOSE, SV message content, and the exchange of data message depends on webmaster manual configuration error rate high and relatively cumbersome, and repeated workload is big, easily error, if SCD file is changed, the characteristics of also have not easy care；In intelligent Substation System, the transmission of each IED equipment and the GOOSE message subscribed to and SV messages, it is predictable, recognizable, fixed qty, described by SCD file, as New Generation of Intelligent transformer station is in the application of power system, the integrated automation of transformation stations has increasingly complicated equipment network demand to layer 2 ethernet switch, and the automation requirement to configuring also gets over obvious.
The content of the invention
The technical problem to be solved in the present invention is that the configuration of intelligent substation relay protection exchange service is complicated; configuration work amount is big; and easily artificial error etc., there is provided it is a kind of can be to the identification of process layer GOOSE, SV business intelligence, the electric power private branch exchange system and its business collocation method of automatic configuration.
To achieve the above object, the present invention uses following technical proposals：A kind of electric power private branch exchange system, it includes the data processing application specific processor A being connected with IED equipment, the dedicated ethernet exchange chip B and management application specific processor C that place is exchanged for Ethernet data are connected with data processing application specific processor A, described management application specific processor C is used to be managed for configuration data processing application specific processor A, dedicated ethernet exchange chip B, it is connected with management application specific processor C and is provided with dedicated network processing unit D, described dedicated network processing unit D is for SCD file analysis, business automation configuration, the foundation of each form maintenance.
Described data processing application specific processor is provided with FE or GE optic electric interfaces.
A kind of business collocation method of electric power private branch exchange system, it is comprised the following steps：1. described by dedicated network processing unit D parsing SCD files, from IED device subscription information Inputs, SDT Service Description Table, service allocation list, service VLAN substitution table, VLAN forward tables are set up successively；2. data processing application specific processor A carries out Intelligent Recognition to entering GOOSE, SV message in interchanger：By service VLAN substitution table, increase when GOOSE, SV message enter or replace original VLAN, VLAN is deleted or replace to ensure not change original message in GOOSE, SV message outbound course；3. the message for increasing or replacing after VLAN transfers to dedicated ethernet exchange chip B, dedicated ethernet exchange chip B to be operated according to VLAN forward tables, and control message flow direction is exchanged.
It is described that to set up SDT Service Description Table with network processing unit D be from IED device subscription informations Inputs,Output information equipment, data set and FCDA are found by iedName, doName, daName critical field；GOOSE control blocks (GOCB) and SV control blocks (SVCB) are found from FCDA and data set；By the description of GOCB, SVCB combination communication parts, the flow direction of a business or data is completed, so as to set up SDT Service Description Table, described SDT Service Description Table includes that APPID, IED send equipment, IED and subscribe to equipment（1-n）, VLAN, precedence field.
It is that the IED transmission equipment and IED in SDT Service Description Table are subscribed to the corresponding receiving port of ED equipment and sending port list replacement i.e. finishing service allocation list set in stand-by equipment and switch ports themselves connection relational table that described dedicated network processing unit D sets up service allocation list.It is that the IED transmission equipment and IED in SDT Service Description Table are subscribed to the corresponding receiving port of ED equipment and sending port list replacement i.e. finishing service allocation list set in stand-by equipment and switch ports themselves connection relational table that described dedicated network processing unit D sets up service allocation list.
It is to remove sending port list, the precedence field in service allocation list that described dedicated network processing unit D sets up service VLAN substitution table, and increasing new VLAN, VLAN newly increases attribute field.
Described dedicated network processing unit D sets up VLAN forward tables for service allocation list APPID (0-n) fields are substituted with new VLAN (0-n) field correspondence of service VLAN substitution table, and the VLAN fields for removing service allocation list obtain VLAN forward tables.
Described data processing application specific processor A is operated according to service VLAN substitution table：Message approach axis, Intelligent Recognition GOOSE, SV message perceives APPID, and tabling look-up carries out that VLAN increases new VLAN (0-n) fields or message VLAN replaces with new VLAN (0-n) field, and message enters dedicated ethernet exchange chip B immediately；After being exchanged through dedicated ethernet exchange chip B, message sends direction, and new VLAN (0-n) replaces with VLAN or new VLAN (0-n) and deleted from message.
The described VLAN forward tables for being applied to dedicated ethernet exchange chip B forward rule using vlan.
Described " new VLAN " is the effective VID value using the distribution of HASH methods.
Using electric power private exchange function of the invention according in SCD file for IED equipment, network, business associated description, GOOSE and SV messages are perceived by searching the APPID in heading, import after SCD file, automatically configure exchange, substantially reduce workload, error probability is reduced, operating efficiency is lifted；Rely on SCD file description, GOOSE, SV that each port of Intelligent Recognition interchanger receives etc. connect and bind relation between business, Intelligent Recognition electric power private branch exchange system port and IED equipment, GOOSE, SV operation exchange for will receiving automatically using VLAN substitute modes to correct sending port.
Brief description of the drawings
Fig. 1 is technical scheme schematic diagram；
Fig. 2 is that GOOSE and SV SDT Service Description Tables of the present invention set up process schematic；
Fig. 3 is SDT Service Description Table of the present invention；
Fig. 4 is service allocation list of the present invention；
Fig. 5 is service VLAN substitution table of the present invention；
Fig. 6 is that HASH methods of the present invention produce new VLAN (0-n) schematic diagram；
Fig. 7 is VLAN forward tables of the present invention.
Specific embodiment
As shown in Figure 1, the present invention includes the data processing application specific processor A being connected with IED equipment, the dedicated ethernet exchange chip B and management application specific processor C that place is exchanged for Ethernet data are connected with data processing application specific processor A, described management application specific processor C is used to be managed for configuration data processing application specific processor A, dedicated ethernet exchange chip B, it is connected with management application specific processor C and is provided with dedicated network processing unit D, described dedicated network processing unit D is for SCD file analysis, business automation configuration, the foundation of each form maintenance.Data processing application specific processor A is increased in interchanger of the present invention（FPGA）The application of the aspects such as Intelligent Recognition, automatic configuration to process layer GOOSE, SV business is realized with dedicated network processing unit D, so-called automatic configuration is to rely on SCD file description, and GOOSE, SV that each port of Intelligent Recognition interchanger receives etc. connect and bind relation between business, Intelligent Recognition electric power private branch exchange system port and IED equipment, GOOSE, SV operation exchange for will being received automatically using VLAN substitute modes to correct sending port.It should be noted that dedicated network processing unit D there may be but be not limited to be present in interchanger.
Described data processing application specific processor is provided with FE or GE optic electric interfaces.
A kind of business collocation method of electric power private branch exchange system, it is comprised the following steps：1. described by dedicated network processing unit D parsing SCD files, from IED device subscription information Inputs, SDT Service Description Table, service allocation list, service VLAN substitution table, VLAN forward tables are set up successively；2. data processing application specific processor A carries out Intelligent Recognition to entering GOOSE, SV message in interchanger：By service VLAN substitution table, increase when GOOSE, SV message enter or replace original VLAN, VLAN is deleted or replace to ensure not change original message in GOOSE, SV message outbound course；3. the message for increasing or replacing after VLAN transfers to dedicated ethernet exchange chip B, dedicated ethernet exchange chip B to be operated according to VLAN forward tables, and control message flow direction is exchanged.
It is described that to set up SDT Service Description Table with network processing unit D be, from IED device subscription information Inputs, output information equipment, data set and FCDA to be found by iedName, doName, daName critical field；GOOSE control blocks (GOCB) and SV control blocks (SVCB) are found from FCDA and data set；By the description of GOCB, SVCB combination communication parts, the flow direction of a business or data is completed, so as to set up SDT Service Description Table, described SDT Service Description Table includes that APPID, IED send equipment, IED and subscribe to equipment（1-n）, VLAN, precedence field.As shown in figure 3, practical business allocation list will be including but not limited to field listed above；GOOSE and SV SDT Service Description Tables set up process schematic as shown in Fig. 2 Inputs, FCDA, GOCB, SVCB are the typical elements of SCD file IED parts in Fig. 2, and communication parts refer specifically to how IED is connected to network by accessing points.
It is that the IED transmission equipment and IED in SDT Service Description Table are subscribed to the corresponding receiving port of ED equipment and sending port list replacement i.e. finishing service allocation list set in stand-by equipment and switch ports themselves connection relational table that described dedicated network processing unit D sets up service allocation list, as shown in figure 4, it is that the IED transmission equipment and IED in SDT Service Description Table are subscribed to the corresponding receiving port of ED equipment and sending port list replacement i.e. finishing service allocation list set in stand-by equipment and switch ports themselves connection relational table that described dedicated network processing unit D sets up service allocation list..
It is to remove sending port list, the precedence field in service allocation list that described dedicated network processing unit D sets up service VLAN substitution table, newly-increased new VLAN, VLAN increase attribute field, as shown in Figure 5, when VLAN increase attribute fields are invalid VLAN fields, when i.e. GOOSE, SV business are without VLAN, it is effective that VLAN increases mark；Other when VLAN increase mark it is invalid.
Described dedicated network processing unit D sets up VLAN forward tables for service allocation list APPID (0-n) fields are substituted with new VLAN (0-n) field correspondence of service VLAN substitution table, the VLAN fields for removing service allocation list obtain VLAN forward tables, as shown in Figure 7.
Described data processing application specific processor A is operated according to service VLAN substitution table：Message approach axis, Intelligent Recognition GOOSE, SV message perceives APPID, and tabling look-up carries out that VLAN increases new VLAN (0-n) fields or message VLAN replaces with new VLAN (0-n) field, and message enters dedicated ethernet exchange chip B immediately；After being exchanged through dedicated ethernet exchange chip B, message sends direction, and new VLAN (0-n) replaces with VLAN or new VLAN (0-n) and deleted from message.
The described VLAN forward tables for being applied to dedicated ethernet exchange chip B refer to the exchange chip for supporting 802.1Q agreements using the vlan forwarding rules described in vlan forwarding rules, and data frame is only swapped in corresponding VLAN.Popular is said, an interchanger has been fictionalized multiple logical switch, and the port in each VLAN is an interchanger in logic；Namely an interchanger has been divided multiple different broadcast domains, the port in each VLAN, in same broadcast domain；Present invention introduces the exchange principle after VLAN compared with traditional exchange principle, not change substantially equally follows the basic principle of ' source mac learning, purpose MAC forwardings '；Unlike unique, study and forwarding are all only carried out in same VLAN, and data frame is unable to travelling across VLAN and exchanges or forward.
Described " new VLAN " is the effective VID value using the distribution of HASA methods, as shown in fig. 6, using the method but the method can be not limited to come apportioning cost.
Electric power private branch exchange system of the present invention increases dedicated network processing unit D, sets up " SDT Service Description Table ", " service allocation list ", " service VLAN substitution table ", " VLAN forward tables "；Electric power private branch exchange system increases data processing application specific processor A; step is performed by " service VLAN substitution table " 6.; realization carries out " VLAN replacements " to process layer service and reaches intelligence configuration and exchange; it is complicated to solve domestic intelligent substation relay protection exchange service configuration; configuration work amount is big, and easily the problem of artificial error provides a kind of resolving ideas and corresponding basis.
As shown in figure 1, increased data processing application specific processor A in transmission link using electric power private branch exchange system of the invention（FPGA）, for recognizing the entrance interchanger sent from IED equipment in GOOSE, SV message；By service VLAN substitution table, GOOSE, SV message into when increase（Original GOOSE or SV messages are without VLAN）Or original VLAN is replaced, in GOOSE, SV message outbound course VLAN is deleted or replaced to ensure not change original message；Increase or replace the ethernet data stream after VLAN（GOOSE, SV message fall within ethernet data stream）Message transfers to dedicated ethernet chip B to be forwarded by VLAN forward tables.
Claims (10)
1. a kind of electric power private branch exchange system, it is characterised in that：It includes the data processing application specific processor A being connected with IED equipment, the dedicated ethernet exchange chip B and management application specific processor C that treatment is exchanged for Ethernet data are connected with data processing application specific processor A, described management application specific processor C is used to be managed for configuration data processing application specific processor A, dedicated ethernet exchange chip B, it is connected with management application specific processor C and is provided with dedicated network processing unit D, described dedicated network processing unit D is for SCD file analysis, business automation configuration, the foundation of each form maintenance.
2. electric power private branch exchange system according to claim 1, it is characterised in that：Described data processing application specific processor A is provided with FE or GE optic electric interfaces.
3. the business collocation method of the electric power private branch exchange system according to claim any one of 1-2, it is characterised in that：It is comprised the following steps：1. described by dedicated network processing unit D parsing SCD files, from IED device subscription information Inputs, SDT Service Description Table, service allocation list, service VLAN substitution table, VLAN forward tables are set up successively；2. data processing application specific processor A carries out Intelligent Recognition to entering GOOSE, SV message in interchanger：By service VLAN substitution table, increase when GOOSE, SV message enter or replace original VLAN, VLAN is deleted or replace to ensure not change original message in GOOSE, SV message outbound course；3. the message for increasing or replacing after VLAN transfers to dedicated ethernet exchange chip B, dedicated ethernet exchange chip B to be operated according to VLAN forward tables, and control message flow direction is exchanged.
4. the business collocation method of electric power private branch exchange system according to claim 3, it is characterised in that：It is described that to set up SDT Service Description Table with network processing unit D be, from IED device subscription information Inputs, output information equipment, data set and FCDA to be found by iedName, doName, daName critical field；GOOSE control blocks (GOCB) and SV control blocks (SVCB) are found from FCDA and data set；By the description of GOCB, SVCB combination communication parts, the flow direction of a business or data is completed, so as to set up SDT Service Description Table, described SDT Service Description Table includes that APPID, IED send equipment, IED and subscribe to equipment（1-n）, VLAN, precedence field.
5. the business collocation method of electric power private branch exchange system according to claim 4, it is characterised in that：It is that the IED transmission equipment and IED in SDT Service Description Table are subscribed to the corresponding receiving port of ED equipment and sending port list replacement i.e. finishing service allocation list set in stand-by equipment and switch ports themselves connection relational table that described dedicated network processing unit D sets up service allocation list.
6. the business collocation method of electric power private branch exchange system according to claim 5, it is characterised in that：It is to remove sending port list, the precedence field in service allocation list that described dedicated network processing unit D sets up service VLAN substitution table, and increasing new VLAN, VLAN newly increases attribute field.
7. the business collocation method of electric power private branch exchange system according to claim 6, it is characterised in that：Described dedicated network processing unit D sets up VLAN forward tables for service allocation list APPID (0-n) fields are substituted with new VLAN (0-n) field correspondence of service VLAN substitution table, and the VLAN fields for removing service allocation list obtain VLAN forward tables.
8. the business collocation method of electric power private branch exchange system according to claim 7, it is characterised in that：Described data processing application specific processor A is operated according to service VLAN substitution table：Message approach axis, Intelligent Recognition GOOSE, SV message perceives APPID, and tabling look-up carries out that VLAN increases new VLAN (0-n) fields or message VLAN replaces with new VLAN (0-n) field, and message enters dedicated ethernet exchange chip B immediately；After being exchanged through dedicated ethernet exchange chip B, message sends direction, and new VLAN (0-n) replaces with VLAN or new VLAN (0-n) and deleted from message.
9. the business collocation method of electric power private branch exchange system according to claim 3, it is characterised in that：The described VLAN forward tables for being applied to dedicated ethernet exchange chip B forward rule using vlan.
10. the business collocation method of electric power private branch exchange system according to claim 6, it is characterised in that：Described " new VLAN " is the effective VID value using the distribution of HASH methods.
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| CN201510869811.XA CN106817240B (en) | 2015-12-02 | 2015-12-02 | Electric power private switch and service configuration method thereof |
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| CN107579877A (en) * | 2017-09-18 | 2018-01-12 | 南京国电南自电网自动化有限公司 | A kind of exchange of electric power machine flux monitoring system and monitoring method based on FPGA |
| CN114398299A (en) * | 2021-12-24 | 2022-04-26 | 北京四方继保工程技术有限公司 | Data processing method of four-core cooperative measurement and control processor and processor |
| CN115460042A (en) * | 2022-09-30 | 2022-12-09 | 国家电网有限公司 | Intelligent substation protection test method based on test special network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107395527A (en) * | 2017-08-30 | 2017-11-24 | 济南浪潮高新科技投资发展有限公司 | A kind of outband management system and method |
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