CN104518568A - Method for realizing network message selection in intelligent substation - Google Patents
Method for realizing network message selection in intelligent substation Download PDFInfo
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- CN104518568A CN104518568A CN201410779490.XA CN201410779490A CN104518568A CN 104518568 A CN104518568 A CN 104518568A CN 201410779490 A CN201410779490 A CN 201410779490A CN 104518568 A CN104518568 A CN 104518568A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention discloses a method for realizing network message selection in an intelligent substation. The method includes the steps of firstly, analyzing an SCD file, and extracting the communication network configuration, MAC address and description name of each IED; building a mapping table for the description name and MAC address of each IED, and building a communication relation table for all the IEDs, with communication relations, in the substation; using each pair of IED communication relations as one message selection module, and naming the message selection module with the description names of the corresponding IEDs; combining the message selection modules of the substation into a library file, downloading the library file to the corresponding network message analyzing device, calling one message selection module, and filtering the network messages, which do not conform to conditions, in the substation. The method has the advantages that the network message selection modules are named by the LED description names familiar to the staff of the substation, one selection module is selected to replace the complex setting of network message selection in the intelligent substation, the staff of a traditional substation can fast set the communication configuration of the intelligent substation so as to capture GOOSE or SMV messages required to be checked, and popularization of the intelligent substation is accelerated.
Description
Technical field
The present invention relates to the implementation method that in a kind of intelligent substation, network message is selected, be applicable to the devices such as intelligent substation interior debugging, monitoring and optionally capture message analysis, especially some portable network message analyzing device.
Background technology
At present, along with the development of intelligent power grid technology, domestic newly-built many intelligent substations based on IEC61850.Intelligent substation based on IEC61850 makes optical fiber replace cable in a large number, achieves digitlization and the networking of secondary circuit.Transmitting from traditional substation information with cable is that medium is different, based on the intelligent substation secondary Signal transmissions of IEC61850 based on fiber optic Ethernet, the data in intelligent substation all replace traditional transforming plant gas analog information transfer signal with network message.Therefore the debug measurement mode of traditional transformer station, method, instrument have mostly no longer been applicable to the intelligent substation based on IEC61850.
General OO transformer substation case (Generic Object Oriented Substation Events, GOOSE) message and sampled value (Sampled Value, SV) message is topmost two kinds of messages in intelligent substation based on IEC61850, can be understood the operation conditions of intelligent substation inside by these two kinds of messages.GOOSE message utilizes multicast/broadcast to transmit same Generic Substation Event information to multiple physical equipment simultaneously.In Practical Project, GOOSE is mainly used in transmission trip protection, enabling signal and observing and controlling connection latch switch plug-in strip position signalling.Therefore GOOSE message is related to the safe operation of transformer station.SV message adopts multicast association or bilateral association transmission electronic formula mutual inductor sample value.Current SV mainly sample multicast association transmission electronic formula instrument transformer measure voltage, electric current etc.Therefore, obtain, resolving SV message, to understand transformer station's internal operation situation for the staff of transformer station very important.But owing to all transmitting a large amount of network messages all the time in intelligent substation, especially SV message, therefore from so numerous network messages, how conveniently to capture the network message gone for and resolve, very important for the operation conditions understanding intelligent substation inside.
Substation configuration description (Substation Configuration Description, SCD) file is complete unified data source of standing, it integrates intelligent electronic device ability description (IED Capability Description by system integrator, ICD) file and system specifications description document (System Specification Description, SSD) file generated.This documents describes the communication configuration between the exemplary configuration of all intelligent electronic devices (IED) and messaging parameter, IED and transforming plant primary system configuration, and the signal such as signal contact, by the system integration, manufacturer completes.SCD file deploy content: (1) primary system model, comprises primary system structure, primary equipment information etc.; (2) communication network configuration, comprises the configuration information such as IP address, MAC Address, VLAN of GOOSE, SV, MMS network; (3) exemplary configuration of all devices, the configuration information such as compartment name, device name at device place; (4) all relevant data type template configuration.Therefore, the communication relation between SCD file acquisition IED and configuration information can be utilized.
Summary of the invention
Goal of the invention: for problems of the prior art, the invention provides the implementation method that in a kind of intelligent substation, network message is selected, and quick, direct, convenient, optionally can capture the network message in intelligent substation.
Technical scheme: the implementation method that in a kind of intelligent substation, network message is selected, comprises the following steps:
(1) to the SCD file of import system configuration in computer, and SCD analytical tool is utilized to resolve this SCD file;
(2) analytically after SCD file in extract communication configuration and IED information, for often pair has the IED of communication relation to set up message selection module, and with their description name nominating;
(3) select block merging to be a library file message of entirely standing, this library file can download on corresponding network message analytical equipment, as the filter condition of the packet filtering module be located between the link layer interface of network message analytical equipment and physical layer;
(4) to network message analytical equipment load libraries file, module is selected by certain message called in library file, the filter condition of the packet filtering module between the network interface of network message analytical equipment and physical layer can be set, filter network message ineligible in transformer station.
If described GOOSE message or SV message do not belong to the setting model that the message called selects module, will be dropped or forward.
Beneficial effect: method provided by the invention selects module to replace the loaded down with trivial details setting that in intelligent substation, network message is selected by selecting certain message, quick, direct, convenient, optionally can capture the network message in intelligent substation; Resolve the data source SCD file obtaining communication configuration that full station is unified, in whole transformer station, any GOOSE and SV network message can be selected, and does not need mobile relevant monitoring equipment; The IED be familiar with work of transformer substation personnel describes name nominating message and selects module, and the staff being convenient to transformer station uses.In addition, intermediate document only need import on network message analytical equipment by method provided by the invention, does not require the resource allocation increasing existing device, is easy to promotion and application.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention;
Fig. 2 is communication module example schematic diagram in SCD file;
Fig. 3 is IED module example schematic diagram in SCD file;
Fig. 4 is the Inputs configuration module example schematic diagram of IED " CT1101A01 " in SCD file.
Embodiment
Below in conjunction with specific embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
The implementation method that in intelligent substation as shown in Figure 1, network message is selected, comprises following concrete steps:
(1) SCD file is resolved: utilize SCD analytical tool in computer to resolve by the SCD file of system configuration.
(2) extract communication configuration and IED information, set up message and select module, concrete operations are:
(201) set up IED and describe mapping between title and MAC Address: the Communication extracting section in the SCD file first analytically goes out the MAC Address of IED title and its correspondence, as shown in red rectangle frame in Fig. 2, IED name is called " CT1101A01 ", and the MAC Address of its correspondence is 01-0C-CD-01-00-01; Then go out this IED title from the IED extracting section SCD file and describe title with the IED of its correspondence, as shown in red rectangle frame in Fig. 3, IED name is called " CT1101A01 ", and the IED of its correspondence describes name and is called #1 main transformer 110kV observing and controlling dress _ NS3560_DD1A; The MAC Address that IED can be described title and IED thus does a mapping: #1 main transformer 110kV observing and controlling dress _ NS3560_DD1A->MAC:01-0C-CD-01-00-01, wherein IED describes name and is referred to as key, and MAC Address is as key assignments.IED describes title can be compared to name of contact person inside cell-phone telephone book, and MAC Address can be compared to the number of contact person.
(202) the communication relation between IED is extracted: Inputs extracting section goes out the communication relation between IED from the AccessPoint the IED part of SCD file.As shown in Figure 4, be called that the GOOSE of " CT1101A01 " receives the IED that can find iedName=" IT1101A27 " in drop-down menu in IED name, the communication that can obtain thus between IED " IT1101A27 " and IED " CT1101A01 " is closed and is: IT1101A27 sends GOOSE message to CT1101A01.
(203), after extracting the communication relation between IED all in transformer station, for often pair has the IED of communication relation to build a message selection module, and represent with the description title of the IED intercomed mutually.Known by Fig. 2, Fig. 3, Fig. 4, this selection module can represent with " #1 main transformer 110kV intelligent terminal A_NS3658_V8.13->#1 main transformer 110kV observing and controlling dress _ NS3560_DD1A ", wherein " #1 main transformer 110kV intelligent terminal A_NS3658_V8.13 " be IED " IT1101A27 " description title, description title that " #1 main transformer 110kV observing and controlling dress _ NS3560_DD1A " is IED " CT1101A01 ".
(3) block merging is selected to be a library file that can download to network message analytical equipment inside the message of entirely standing.
(4) to network message analytical equipment load libraries file, module is selected by the network message called in this library file, the filter condition of the packet filtering module between the network interface of network message analytical equipment and physical layer can be set, filter network message ineligible in transformer station.
Described selection module comprises the communication network configuration of the IED of communication mutually, as source MAC and target MAC (Media Access Control) address, discard processing or forward process are carried out for the GOOSE message of MAC Address or SV message that do not belong to this selection module, only captures qualified network message.
Claims (3)
1. the implementation method that in intelligent substation, network message is selected, is characterized in that: comprise the following steps:
(1) to the SCD file of import system configuration in computer, and SCD analytical tool is utilized to resolve this SCD file;
(2) analytically after SCD file in extract communication configuration and IED information, for often pair has the IED of communication relation to set up message selection module, and with their description name nominating;
(3) block merging is selected to be a library file message of entirely standing;
(4) to network message analytical equipment load libraries file, module is selected by certain message called in library file, the filter condition of the packet filtering module between the network interface of network message analytical equipment and physical layer can be set, filter network message ineligible in transformer station.
2. the implementation method that in intelligent substation according to claim 1, network message is selected, is characterized in that: described step 2 extracts communication configuration and IED information, and the concrete operation step setting up message selection module is:
(1) from the Communication module of SCD, extract IED title and corresponding MAC Address, the IED extracting IED title and correspondence from the IED module of SCD file describes title, and the MAC Address of the description title of IED and IED is built a mapping ensemblen;
(2) from the IED part of SCD file, extract the information of other IED that IED receives, obtain the communication relation of each IED thus;
(3) for often pair has the IED of communication relation to build message selection module.
3. the implementation method that in intelligent substation according to claim 1, network message is selected, is characterized in that: if described GOOSE message or SV message do not belong to the setting model that the message called selects module, will be dropped or forward.
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Cited By (4)
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| CN105606929A (en) * | 2015-12-30 | 2016-05-25 | 国网浙江省电力公司 | Intelligent substation relay protection test signal isolation and recombination method |
| CN107332725A (en) * | 2016-04-29 | 2017-11-07 | 广东电网有限责任公司电力调度控制中心 | A kind of method of fast resolving PCAP messages |
| CN109981812A (en) * | 2019-03-13 | 2019-07-05 | 深圳供电局有限公司 | Inter-station communication method and device for multiple transformer substations and computer equipment |
| CN115913642A (en) * | 2022-10-19 | 2023-04-04 | 云南电网有限责任公司 | Network threat protection method and device for power substation |
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Cited By (5)
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