CN102624607B - Intelligent transformer substation communication method capable of modeling on basis of physical port of Ethernet switch - Google Patents

Intelligent transformer substation communication method capable of modeling on basis of physical port of Ethernet switch Download PDF

Info

Publication number
CN102624607B
CN102624607B CN2011104601282A CN201110460128A CN102624607B CN 102624607 B CN102624607 B CN 102624607B CN 2011104601282 A CN2011104601282 A CN 2011104601282A CN 201110460128 A CN201110460128 A CN 201110460128A CN 102624607 B CN102624607 B CN 102624607B
Authority
CN
China
Prior art keywords
ethernet switch
class
port
model
rdf
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011104601282A
Other languages
Chinese (zh)
Other versions
CN102624607A (en
Inventor
信珂
孙中尉
唐毅
黄德斌
王雷
张凡
丁希亮
王东伟
李如振
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG ROOF NEW INFORMATION TECHNOLOGY CO., LTD.
Original Assignee
JINAN RONGFU TECHNOLOGY Co Ltd
Shandong Electric Power Engineering Consulting Institute Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JINAN RONGFU TECHNOLOGY Co Ltd, Shandong Electric Power Engineering Consulting Institute Corp Ltd filed Critical JINAN RONGFU TECHNOLOGY Co Ltd
Priority to CN2011104601282A priority Critical patent/CN102624607B/en
Publication of CN102624607A publication Critical patent/CN102624607A/en
Application granted granted Critical
Publication of CN102624607B publication Critical patent/CN102624607B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

Landscapes

  • Computer And Data Communications (AREA)

Abstract

The invention provides an intelligent transformer substation communication method capable of modeling on the basis of a physical port of an Ethernet switch. The intelligent transformer substation communication method is characterized by comprising steps: describing an IEC (international electrotechnical commission) 61850 model of the Ethernet switch by the aid of an RDF (resource description framework) in a form identical to that of an IEC61970CIM (common information model), designing a graphic primitive type model of the Ethernet switch in an AutoCAD (auto-computer aided design), and recording a unique identification of each corresponding resource object in the RDF model via an extended attribute in the Ethernet switch and a port graph; and creating one-to-one corresponding mapping relation between each corresponding resource in the model RDF Schema and each of the Ethernet switch and port equipment of the Ethernet switch, and creating connection relation of a port of an intelligent device and a port of the Ethernet switch by means of drawing connecting lines and folding lines in the AutoCAD. The intelligent transformer substation communication method has the advantages that the physical and logical connection relation between the Ethernet switch and the intelligent device is created and is visually displayed in a graphical manner, and accordingly a design of network communication in a designing process is guaranteed.

Description

Intelligent substation communication means based on the modeling of Ethernet switch physical port
Technical field
The present invention relates to the electric power system design field, especially relate to a kind of intelligent substation communication means based on the modeling of Ethernet switch physical port.
Background technology
Engineering design for the intelligent substation electrical secondary system, the variation that has the greatest impact is exactly: intelligent substation has replaced conventional secondary circuit with communication network, virtual digit information in the network has replaced electric signal physically, the input/output relation of electrical secondary system function information logic and signal is corresponding no longer one by one with the communication network wiring, the form of traditional secondary circuit be beyond expression function logic and signal logic in the intelligent substation.
The subject matter that faces in the intelligent substation design process at present is:
1, because designing unit lacks the design means that complete figure is supported, engineering design only limits to finish the degree of hardwire design, and the needed intelligent apparatus functional configuration of Construction Phase, communication configuration can not be provided.And existing modeling tool software, what mainly pay attention to is the output of SCD, ICD, CID, great majority just as one easily edit tool use, lack the displaying of image for the modeling of correspondence between the network configuration modeling of factory's station communication system, the modeling of intelligent apparatus example, the intelligent apparatus.
2, related among the publication No. CN 102270261A based on the integrated intelligent substation design methods of CAD artwork.Introduced the process of setting up model file of secondary circuit in the intelligent substation; one of most important equipment is exactly Ethernet switch after the networking; and all carry out modeling for intelligent apparatus such as protective device, intelligent terminals in the IEC61850 standard; and not carrying out modeling for Ethernet switch, this has just affected the accuracy of designing unit's accurately network service reasonable in design greatly.
The physical model of Ethernet switch and physical connection relation is not described in IEC61850, Direct function description virtual network.For the complete design of a transformer station, the annexation between the physical equipment not only will be described, also to design physical equipment clear.How many ports are for example arranged, model, size, which equipment fixing position and each port connect.
Summary of the invention
The objective of the invention is provides the intelligent substation communication means based on the modeling of Ethernet switch physical port for overcoming above-mentioned the deficiencies in the prior art.
For achieving the above object, the present invention adopts following technical proposals:
A kind of intelligent substation communication means based on the modeling of Ethernet switch physical port, the step that it comprises is:
1) the IEC61850 model of Ethernet switch is described with RDF with the form identical with IEC61970CIM, set up the RDF Schema of Ethernet switch model, determine the structure description of IEC61850 model object in RDF of Ethernet switch, comprise model class, the incidence relation between model class attribute and the model class;
2) Ethernet switch is carried out modeling based on rdf model, determine the model structure of Ethernet switch, port organization, and Ethernet switch and ethernet switch port, the incidence relation between Ethernet switch and the intelligent apparatus;
3) design Ethernet switch primitive types module in AutoCAD; And represent Ethernet switch by the AutoCAD graphic symbol, and represent the port graphic symbol of Ethernet switch by the short-term among the AutoCAD, set up the pel of Ethernet switch;
4) Ethernet switch and port graphic symbol respectively an extended attribute by separately in the rdf model with it corresponding model object unique identification carry out record, to set up one to one mapping relations;
5) in AutoCAD, set up intelligent apparatus primitive types module, and represent respectively intelligent apparatus and port thereof by the AutoCAD graphic symbol;
6) intelligent apparatus and port graphic symbol respectively an extended attribute by separately in the rdf model with it corresponding model object unique identification carry out record, to set up one to one mapping relations;
7) in AutoCAD, pass through to draw connecting line, the port of intelligent apparatus and the port of Ethernet switch are established a connection, the unique identification of the model object that records in the extended attribute with the port of the Ethernet switch in the rdf model and the port of intelligent apparatus when drawing is associated, and sets up the incidence relation of two objects in rdf model; The foundation of the ports physical annexation of all intelligent apparatus and Ethernet switch is finished in cycling.
Described step 1) model class comprises network equipment base class in, the subnet class, network segment class, the port class be connected class, polymerization between described network segment class and the subnet class, the port class be connected class and be associated, also comprise Ethernet switch class and intelligent apparatus class, described subnet class, network segment class, Ethernet switch class and intelligent apparatus class are inherited respectively automatic network equipment base class; Port is birdsed of the same feather flock together and is incorporated into network equipment base class, comprises port in the port class; The Ethernet switch class of inheriting automatic network equipment base class also polymerization port.
After described step 7) is set up the incidence relation of two objects in rdf model, adopt Excel form form mode to export to the physical connection relation that generates.
Operation principle of the present invention:
Physical model and the physical connection relation of Ethernet switch are not described in IEC61850, one of most important equipment is exactly Ethernet switch after the secondary circuit networking, the present invention is by setting up Ethernet switch and port device rdf model thereof, and designing unit relies on the too network switch model that provides to show intuitively the design of finishing transformer station in patterned mode by Model instantiation.
Beneficial effect of the present invention is:
The present invention passes through the Ethernet switch modeling, by drawing the AutoCAD graphics mode, the annexation of the physics between Ethernet switch and intelligent apparatus and logic is set up, and show intuitively in patterned mode, guarantee in the design process control directly perceived to the network service situation, thereby guaranteed in the design process design to network service.
Can be in the intelligent substation design process on the basis of the Ethernet switch annexation model that this patent is set up according to logic mutual operative relationship configuration virtual network (VLAN) easily.
Description of drawings
Fig. 1 is model class module of the present invention and related structural principle schematic diagram thereof;
Fig. 2 is program flow diagram of the present invention.
1. network equipment base class wherein, 2. intelligent apparatus class, 3. subnet class, 4. network segment class, 5. the port class 6. connects class, the 7. mutual machine class of Ethernet.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
Among Fig. 1, model class module and related definition thereof, box indicating model class module, the association between the wire list representation model generic module between the square frame, this is associated as the polymerization association expression that identifies with rhombus on the line head, and the line with the rhombus sign does not represent common association.Subnet class 3(SubNet), network segment class 4(NetSegment), Ethernet switch class 7(NetSwitch) and intelligent apparatus class 2(IED) all inherit automatic network equipment base class 1(NetEquipBase), network segment class 4(NetSegment) is aggregated to subnet class 3(SubNet), port class 5(Port) be aggregated to network equipment base class 1(NetEquipBase), the Ethernet switch (NetSwitch) of namely inheriting automatic network equipment base class then also polymerization port (Port).
A kind of intelligent substation communication means based on the modeling of Ethernet switch physical port among Fig. 2, the step that it comprises is:
A kind of intelligent substation communication means based on the modeling of Ethernet switch physical port, the step that it comprises is:
1) the IEC61850 model of Ethernet switch is described with RDF with the form identical with IEC61970CIM, set up the RDF Schema of Ethernet switch model, determine the structure description of IEC61850 model object in RDF of Ethernet switch, comprise model class, the incidence relation between model class attribute and the model class;
2) Ethernet switch is carried out modeling based on rdf model, determine the model structure of Ethernet switch, port organization, and Ethernet switch and ethernet switch port, the incidence relation between Ethernet switch and the intelligent apparatus;
3) design Ethernet switch primitive types module in AutoCAD; And represent Ethernet switch by the AutoCAD graphic symbol, and represent the port graphic symbol of Ethernet switch by the short-term among the AutoCAD, set up the pel of Ethernet switch;
4) Ethernet switch and port graphic symbol respectively an extended attribute by separately in the rdf model with it corresponding model object unique identification carry out record, to set up one to one mapping relations;
5) in AutoCAD, set up intelligent apparatus primitive types module, and represent respectively intelligent apparatus and port thereof by the AutoCAD graphic symbol;
6) intelligent apparatus and port graphic symbol respectively an extended attribute by separately in the rdf model with it corresponding model object unique identification carry out record, to set up one to one mapping relations;
7) in AutoCAD, pass through to draw connecting line, the port of intelligent apparatus and the port of Ethernet switch are established a connection, the unique identification of the model object that records in the extended attribute with the port of the Ethernet switch in the rdf model and the port of intelligent apparatus when drawing is associated, and sets up the incidence relation of two objects in rdf model; The foundation of the ports physical annexation of all intelligent apparatus and Ethernet switch is finished in cycling.
Step 1) model class comprises network equipment base class 1 in, subnet class 3, network segment class 4, port class 5 be connected class 6, polymerization between described network segment class 4 and the subnet class 3, port class 5 be connected class 6 and be associated, also comprise Ethernet switch class 7 and intelligent apparatus class 2, described subnet class 3, network segment class 4, Ethernet switch class 7 and intelligent apparatus class 2 are inherited respectively automatic network equipment base class 1; Port class 5 is aggregated to network equipment base class 1, comprises port in the port class 5, the Ethernet switch class 7 of inheriting automatic network equipment base class 1 also polymerization port;
After step 7) is set up the incidence relation of two objects in rdf model, adopt Excel form form mode to export to the physical connection relation that generates.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.

Claims (3)

1. the intelligent substation communication means based on the modeling of Ethernet switch physical port is characterized in that, the step that it comprises is:
1) the IEC61850 model of Ethernet switch is described with RDF with the form identical with IEC61970CIM, set up the RDF Schema of Ethernet switch model, determine the structure description of IEC61850 model object in RDF of Ethernet switch, comprise model class, the incidence relation between model class attribute and the model class;
2) Ethernet switch is carried out modeling based on rdf model, determine the model structure of Ethernet switch, port organization, and Ethernet switch and ethernet switch port, the incidence relation between Ethernet switch and the intelligent apparatus;
3) design Ethernet switch primitive types module in AutoCAD; And represent Ethernet switch by the AutoCAD graphic symbol, and represent the port graphic symbol of Ethernet switch by the short-term among the AutoCAD, set up the pel of Ethernet switch;
4) Ethernet switch and port graphic symbol respectively an extended attribute by separately in the rdf model with it corresponding model object unique identification carry out record, to set up one to one mapping relations;
5) in AutoCAD, set up intelligent apparatus primitive types module, and represent respectively intelligent apparatus and port thereof by the AutoCAD graphic symbol;
6) intelligent apparatus and port graphic symbol respectively an extended attribute by separately in the rdf model with it corresponding model object unique identification carry out record, to set up one to one mapping relations;
7) in AutoCAD, pass through to draw connecting line, the port of intelligent apparatus and the port of Ethernet switch are established a connection, the unique identification of the model object that records in the extended attribute with the port of the Ethernet switch in the rdf model and the port of intelligent apparatus when drawing is associated, and sets up the incidence relation of two objects in rdf model; The foundation of the ports physical annexation of all intelligent apparatus and Ethernet switch is finished in cycling.
2. as claimed in claim 1 based on the intelligent substation communication means of Ethernet switch physical port modeling, it is characterized in that described step 1) in model class comprise network equipment base class, the subnet class, network segment class, the port class be connected class, polymerization between described network segment class and the subnet class, the port class be connected class and be associated, also comprise Ethernet switch class and intelligent apparatus class, described subnet class, network segment class, Ethernet switch class and intelligent apparatus class are inherited respectively automatic network equipment base class; Port is birdsed of the same feather flock together and is incorporated into network equipment base class, comprises port in the port class; The Ethernet switch class of inheriting automatic network equipment base class also polymerization port.
3. as claimed in claim 1 based on the intelligent substation communication means of Ethernet switch physical port modeling, it is characterized in that, after described step 7) is set up the incidence relation of two objects in rdf model, adopt Excel form form mode to export to the physical connection relation that generates.
CN2011104601282A 2011-12-31 2011-12-31 Intelligent transformer substation communication method capable of modeling on basis of physical port of Ethernet switch Expired - Fee Related CN102624607B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011104601282A CN102624607B (en) 2011-12-31 2011-12-31 Intelligent transformer substation communication method capable of modeling on basis of physical port of Ethernet switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011104601282A CN102624607B (en) 2011-12-31 2011-12-31 Intelligent transformer substation communication method capable of modeling on basis of physical port of Ethernet switch

Publications (2)

Publication Number Publication Date
CN102624607A CN102624607A (en) 2012-08-01
CN102624607B true CN102624607B (en) 2013-03-27

Family

ID=46564298

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011104601282A Expired - Fee Related CN102624607B (en) 2011-12-31 2011-12-31 Intelligent transformer substation communication method capable of modeling on basis of physical port of Ethernet switch

Country Status (1)

Country Link
CN (1) CN102624607B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10333815B2 (en) * 2016-03-17 2019-06-25 Nec Corporation Real-time detection of abnormal network connections in streaming data
CN117376116B (en) * 2023-10-08 2024-05-17 苏州异格技术有限公司 Configuration method and device of virtual switch, computer equipment and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101354702A (en) * 2008-05-05 2009-01-28 国网南京自动化研究院 Interactive implementing method of electrical power system pattern based on IEC61970 standard
CN101706773A (en) * 2009-11-19 2010-05-12 北京四方继保自动化股份有限公司 Method for realizing fast and automatic modeling of transformer substation IEC 61850 by adopting XML information recombination
CN101989312A (en) * 2010-11-18 2011-03-23 江苏省电力设计院 Graphical intelligent transformer substation model design method based on computer-aided design (CAD)
CN102014051A (en) * 2010-09-20 2011-04-13 成都星宇节能技术股份有限公司 Industrial Ethernet switchboard

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1850447A1 (en) * 2006-04-24 2007-10-31 Abb Research Ltd. Intelligent electronic device configuration inspection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101354702A (en) * 2008-05-05 2009-01-28 国网南京自动化研究院 Interactive implementing method of electrical power system pattern based on IEC61970 standard
CN101706773A (en) * 2009-11-19 2010-05-12 北京四方继保自动化股份有限公司 Method for realizing fast and automatic modeling of transformer substation IEC 61850 by adopting XML information recombination
CN102014051A (en) * 2010-09-20 2011-04-13 成都星宇节能技术股份有限公司 Industrial Ethernet switchboard
CN101989312A (en) * 2010-11-18 2011-03-23 江苏省电力设计院 Graphical intelligent transformer substation model design method based on computer-aided design (CAD)

Also Published As

Publication number Publication date
CN102624607A (en) 2012-08-01

Similar Documents

Publication Publication Date Title
CN102184280A (en) Drawing and model integrated visual integration design method
CN103500249A (en) Visual relay protection setting calculation system and method
CN104008223B (en) Graphical expressing method for connection of virtual terminals of secondary system of intelligent substation
CN102270261A (en) Design method for intelligent transformer station model based on CAD (Computer-Aided Design) graph and model integration
CN103020360A (en) Integration design method of intelligent substation based on three-dimensional design platform and professional software
CN103093007A (en) Power transmission iron tower three-dimensional virtual assembly method
CN105607902A (en) Component model based system visualization design and code generation system and method
CN105184673A (en) Power distribution network graph/ model file visualized offline checking method
CN106910143A (en) Power distribution network artwork multi-edition control method and system
CN105162251A (en) Protection apparatus modeling method applicable to protection information system application analysis function
CN102624607B (en) Intelligent transformer substation communication method capable of modeling on basis of physical port of Ethernet switch
CN105449668A (en) Dynamic modeling method for intelligent electronic equipment for monitoring electric energy quality of intelligent transformer station
CN103713523A (en) Influencing analysis method of whole intelligent substation model
CN105021931A (en) Intelligent power efficiency monitoring device
CN103412741A (en) Transformer SVG image splicing method and system of relevant CIM model
CN102629284B (en) Design method for intelligent substation communication based on intelligent device physical port modeling
CN106919726A (en) A kind of implementation method of distribution network engineering wiring diagram intelligent Drawing
CN109830954A (en) The topological hierarchy recognition methods automatically generated suitable for power grid visualization simulation model
CN106599373B (en) Transformer substation short-circuit current calculation system and method based on three-dimensional design platform
CN105955202A (en) Network-based economical embedded five-axis numerical control system and control method thereof
CN108492660A (en) Substation's peace arranges analogy method, device and system
CN102710025B (en) Power system communication device and method
CN107992674A (en) A kind of earth station monitoring visualization construction method based on model
CN104113454A (en) Gasoline station intelligent controller and communication system based on the same
CN102262703A (en) Method for constructing figure and RDF (Radio Direction Finder) model for designing intelligent transformer substation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20151207

Address after: 250014 Shandong Province, Lixia District of Ji'nan city Min Zi Qian Road No. 106

Patentee after: Shandong Electric Power Engineering Consulting Institute Co., Ltd.

Patentee after: SHANDONG ROOF NEW INFORMATION TECHNOLOGY CO., LTD.

Address before: 250014 Shandong Province, Lixia District of Ji'nan city Min Zi Qian Road No. 106

Patentee before: Shandong Electric Power Engineering Consulting Institute Co., Ltd.

Patentee before: Jinan Rongfu Technology Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20191231