CN202268746U - Micro-grid telemechanical communication unit - Google Patents
Micro-grid telemechanical communication unit Download PDFInfo
- Publication number
- CN202268746U CN202268746U CN2011203985204U CN201120398520U CN202268746U CN 202268746 U CN202268746 U CN 202268746U CN 2011203985204 U CN2011203985204 U CN 2011203985204U CN 201120398520 U CN201120398520 U CN 201120398520U CN 202268746 U CN202268746 U CN 202268746U
- Authority
- CN
- China
- Prior art keywords
- iec61850
- communication
- telemechanical
- distributed power
- ethernet
- 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
Links
Images
Classifications
-
- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/124—Systems 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
- Selective Calling Equipment (AREA)
Abstract
The utility model discloses a micro-grid telemechanical communication unit which comprises a main CPU, at least two ethernet cards, and at least one serial port card. The main CPU is connected with the ethernet cards and the serial port card via a PCI bus. One of the ethernet cards is connected to a scheduling center via a router, and the other ethernet card is connected with spacing layer protection measurement and control devices and distributed power supply controllers that are used for supporting communication of the Ethernet. The serial port card is connected with spacing layer protection measurement and control devices and distributed power supply controllers that are used for supporting communication of serial ports. The structure of the utility model helps to solve defects of a conventional telemechanical protocol.
Description
Technical field
The utility model relates to a kind of microgrid telemechanical communication unit, is specifically related to a kind of microgrid telemechanical communication unit based on IEC61850.
Background technology
Distributed power source generally be meant generated output at thousands of watts of miniaturizations, modularization, distributing to 50 megawatts, be arranged near the user the small power generation system that is connected to distribution system for user's power supply.Distributed power source is divided into two types by its power generation energy resource is whether renewable: one type is utilized regenerative resource, mainly comprises forms of electricity generation such as wind energy, solar energy, water ability, geothermal energy, oceanic energy; The another kind of non-renewable energy resources that utilize mainly comprise forms of electricity generation such as miniature gas turbine generating, fuel cell power generation.
Microgrid is meant by distributed power source, energy storage device, energy converter, relevant load and monitoring, protective device and compiles the small-sized electric system of being transported to that forms; It is an autonomous system that can realize oneself's control, protection and management; Both can be incorporated into the power networks with big electrical network, also can isolated operation.Existing research and practice show, distributed power source inserted big electrical network with the form of microgrid be incorporated into the power networks, and supports each other with big electrical network, is the effective means of performance distributed power source usefulness.
The IEC61850 standard is that first is used for the global standard of electric substation automation system information model and information exchange in the world.Through the effort of all over the world research institution, equipment supplier and each big Utilities Electric Co., to be applied to electric substation automation system ripe day by day for IEC61850 in recent years.Along with the maturation gradually and the extensive use of IEC61850 technology, its technology and method extend to other application beyond the automation of transformation substations gradually.
In the IEC61850 second edition; The formulation of distributed power source (DER) communication standards is responsible for by the WG17 of TC57; Its standard has been included among the IEC61850-7, publishes as the IEC61850-7-420 standard, and IEC61850-7-420 is to be that basic distributed power source has defined object model with the logical node; DER except that wind-powered electricity generation has been defined various logic device and logical node, and these DER systems comprise photovoltaic generating system, energy-storage system, fuel cell, charging system for electric automobile etc.In addition, WG17 is being the distributed feeder line and the network equipment (like switchgear, capacitor group and automatic circuit etc.) its object model of expanded definition.In addition, this standard also comprises the logical node application of power conversion, energy storage and current converter among the DER.
The IEC61400-25 series standard is the extension of IEC61850 standard in wind power generation field, special supervisory control system communication towards wind power plant.The IEC61400-25 series standard has been stipulated specific information, the information exchange mechanism of wind power plant and to the mapping of communication protocol; And set forth wind power plant's information model, information exchange model and modeling method thereof, and carry out modeling to how being mapped to special communication protocol through OO notion.
In the IEC61850 standards system; Newly-increased IEC61850-80-1 is as the mapping standard of IEC61850 and IEC60870-5-101/104; This is to consider between present transformer station and the control centre IEC60870-5-101/104 stipulations that are widely used, the guide rule of the information exchange of formulating in order to simplify stipulations conversion between they and the IEC61850.
The IEC61850 standard is owing to open technology, adopt OO modeling technique, characteristic such as interoperability is provided; Begin to infiltrate into gradually the automatic field of whole energy supply chain, will become the main standard in Future Power System communication and even intelligent grid, distributed energy field.
Yet although the IEC61850 standard will be the main communication standard in following distributed energy field, traditional telemechanical stipulations make the telemechanical communication unit have following problem owing to do not set up information model and adopt processor-oriented packing data mode:
1) do not possess interoperability;
2) do not possess the self-described function;
3) can not plug and play;
4) there are not the configuration and the engineering construction flow process of standard.
Microgrid telemechanical communication unit is the mutual hinge of microgrid system information; If realize the IEC61850 information model above that; And be mapped on the telemechanical stipulations IEC60870-5-101/104 according to the IEC61850-80-1 guide rule; Realization is based on the information exchange mechanism of CDC model, and characteristics such as opening that can IEC61850 is intrinsic, interoperability, OO modeling technique are introduced the microgrid application, realize the intellectuality of microgrid telemechanical communication unit.
Just be based on above consideration, the design people studies improvement to existing microgrid telemechanical communication unit, and this case produces thus.
The utility model content
The main purpose of the utility model is to provide a kind of microgrid telemechanical communication unit, and it can solve the defective that existing telemechanical stipulations exist, and expands the application of IEC61850 in the distributed power source field.
The utility model is for solving the problems of the technologies described above, and the technical scheme that is adopted is:
A kind of microgrid telemechanical communication unit; Comprise host CPU, at least 2 Ethernet cards and at least 1 serial port board; Wherein, host CPU is connected with Ethernet card, serial port board through pci bus, and wherein 1 Ethernet card connects the control centre via router; And other Ethernet card connects wall protection measure and control device and the distributed power source controller of supporting ethernet communication; Serial port board connects wall protection measure and control device and the distributed power source controller of supporting serial communication, can be according to required communication port quantity and redundant configuration situation expansion Ethernet card and serial port board, in order to connect wall protection measure and control device and distributed power source controller.
Above-mentioned Ethernet card connects wall protection measure and control device and the distributed power source controller of supporting ethernet communication via Shielded Twisted Pair or optical fiber.
Above-mentioned serial port board connects wall protection measure and control device and the distributed power source controller of supporting serial communication via the RS232/RS485 bus.
In the aforementioned structure; The OODB Object Oriented Data Base administration module is realized each the microgrid distributed power source controller of access and the IEC61850 information model of other devices; For the distributed power source controller; IEC61850-7-420 and IEC61400-25 are followed in modeling, and for protecting measure and control device in other station, IEC61850-7-4 is followed in modeling; The IEC61850-80-1 mapping block is being mapped to the IEC61850 information model on the telemechanical stipulations IEC60870-5-101/104 under the framework of IEC61850-80-1 guide rule, has realized the information exchange mechanism based on the CDC model.
After adopting such scheme; The beneficial effect of the utility model is: expanded the application of IEC61850 in the distributed power source field according to IEC61850-7-420 and IEC61400-25, characteristics such as the opening that IEC61850 is intrinsic, interoperability, OO modeling technique are introduced the microgrid application.The telemechanical stipulations have realized the information exchange mechanism based on the CDC model under the framework of IEC61850-80-1 guide rule.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the message processing flow figure of the utility model.
Embodiment
For above-mentioned purpose, the feature and advantage that make the utility model can be more obviously understandable, the utility model is elaborated below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1; The utility model provides a kind of microgrid telemechanical communication unit; Its hardware configuration adopts built-in industrial control machine to realize, comprises host CPU, at least 2 Ethernet cards and at least 1 serial port board, wherein; Host CPU links to each other with Ethernet card, serial port board respectively through pci bus, and one of them Ethernet card links to each other with the control centre in a distant place via router; Support the wall protection measure and control device and the distributed power source controller of ethernet communication to insert other Ethernet card in the microgrid telemechanical communication unit, support the wall protection measure and control device of serial communication can go into all serial port boards of microgrid telemechanical communication unit through the RS232/RS485 bus interface through Shielded Twisted Pair or optical fiber.
In application; Running software is in (SuSE) Linux OS; Software configuration adopts modularized design, comprises IEC61850-80-1 mapping block, OODB Object Oriented Data Base interface module, access protocol data map module, telemechanical stipulations module, communication interface driver module and at least one access protocol module.Each software module realizes with the dynamic link library form, through interface function and host process interactive information.
At first introduce mapping principle and the method for IEC61850-80-1.
In IEC61850-80-1, defined mapping principle and the concrete mapping method of the OO information model of IEC61850 to IEC60870-5-101/104.
The mapping principle is:
1) logical device in the IEC61850 information model (LD) is mapped to the ASDU public address (CASDU) among the IEC60870-5-101/104;
2) index with (LN) example ID of the logical node in the IEC61850 information model and data attribute is mapped to the information object address (IOA) among the IEC60870-5-101/104;
3) the common data class (CDC) in the IEC61850 information model is mapped to ASDU type (TI).
Concrete mapping method is: in IEC61850-80-1, transformer station's configuration language (SCL) is expanded, defined the Schema definition of NameSpace and Private element to IEC60870-5-101/104 respectively.Follow the Schema definition, just can in device configuration file ICD file, comprise the map information of IEC61850 information model to IEC60870-5-101/104.Through configuration file and the configuration flow that meets the IEC61850 standards system, can realize the self-described function of microgrid telemechanical communication unit effectively.
Below will introduce the mapping principle and the method for access protocol.
Because the distributed power source industry is a new industry; The power equipment manufacturing industry that does not belong to traditional sense; Distributed power source manufacturer is to the communication standard of power industry; Especially IEC61850 communication standard attention rate is not high, does not almost possess the distributed power source controller of IEC61850 communication capacity at present.Conventional protection measure and control device then all possesses the IEC61850 communication capacity mostly.The situation that the device that in the distribution substation that inserts microgrid, will occur not possessing the device of IEC61850 communication capacity and possess the IEC61850 communication capacity coexists.
The mapping principle and the method that do not possess the device access protocol of IEC61850 communication capacity are:
1) create IEC61850 information mould property for device, for the distributed power source controller, IEC61850-7-420 and IEC61400-25 are followed in modeling, and for installing in other stations, IEC61850-7-4 is followed in modeling;
2) the privately owned address of setting up access protocol is to the mapping relations between the IEC61850 information model object indexing, privately owned address is kept in sAddr (short address) attribute of DAI (object properties instance) element of corresponding IEC61850 information model object indexing in the ICD file.
The mapping principle and the method that possess the device access protocol of IEC61850 communication capacity are: adopt the directly principle of mapping of logical device; Each logical device of device is mapped to one by one the respective logic equipment of microgrid telemechanical communication unit; The information model of logical device remains unchanged, and the conversion of logical device instance title is followed fixing naming rule and must be guaranteed its uniqueness.
Below with the recommended information handling process.
As shown in Figure 2, the message processing flow of monitoring direction is:
1) the communication interface administration module receives the monitoring direction communication message from distributed power source controller or other device;
2) the communication interface administration module passes to corresponding access protocol module according to communication interface address (IP address or serial ports address) with communication message;
3) the access protocol module parses goes out the privately owned address and the information actual value of the monitor message that comprises in the communication message, will resolve delivery of content and give access protocol data map module.
4) according to the privately owned address of monitor message; Mapping principle according to access protocol; Access protocol data map module retrieves the IEC61850 information model object indexing of monitor message, through the OODB Object Oriented Data Base administration module information actual value is write database and carries out corresponding data processing by object indexing.
5) access protocol data map module passes to the IEC61850-80-1 mapping block with the IEC61850 information model object indexing of the monitor message that retrieves.
6) according to the IEC61850 information model object indexing of monitor message; Mapping principle according to IEC61850-80-1; The IEC61850-80-1 mapping block retrieves ASDU public address (CASDU), information object address (IOA) and the ASDU type (TI) of monitor message; Actual value and other relevant informations through the OODB Object Oriented Data Base administration module takes out monitor message pass to IEC60870-5-101/104 telemechanical stipulations module with these monitored parameters;
7) IEC60870-5-101/104 telemechanical stipulations module is organized the IEC60870-5-101/104 communication message according to the monitored parameter that receives, and passes to the communication interface administration module.
8) the communication interface administration module sends to the remote dispatching center with the IEC60870-5-101/104 communication message according to the mailing address of appointment.
The message processing flow of control direction is:
1) the communication interface administration module receives the IEC60870-5-101/104 control direction communication message from the remote dispatching center, passes to IEC60870-5-101/104 telemechanical stipulations module;
2) IEC60870-5-101/104 telemechanical stipulations module parses control address and the Control Parameter that comprises in the communication message, passes to the IEC61850-80-1 mapping block.Control address comprises ASDU public address (CASDU) and information object address (IOA): Control Parameter comprises: control types, controlling value, control time etc.;
3) according to the control address of control information, according to the mapping principle of IEC61850-80-1, the IEC61850-80-1 mapping block retrieves IEC61850 information model object indexing, passes to access protocol data map module together with Control Parameter;
4) according to IEC61850 information model object indexing, according to the mapping principle of access protocol, access protocol data map module retrieves the privately owned address of stipulations of control information, passes to corresponding access protocol module together with Control Parameter;
5) the access protocol module passes to the communication interface administration module according to the privately owned address of stipulations and the Control Parameter organizing communication message of the control information that receives.
6) the communication interface administration module sends to distributed power source controller or other devices with the access protocol communication message according to the mailing address of appointment.
Claims (3)
1. microgrid telemechanical communication unit; It is characterized in that: comprise host CPU, at least 2 Ethernet cards and at least 1 serial port board; Wherein, host CPU is connected with Ethernet card, serial port board through pci bus, and wherein 1 Ethernet card connects the control centre via router; And other Ethernet card connects wall protection measure and control device and the distributed power source controller of supporting ethernet communication, and serial port board connects wall protection measure and control device and the distributed power source controller of supporting serial communication.
2. a kind of microgrid telemechanical communication unit as claimed in claim 1 is characterized in that: said Ethernet card connects wall protection measure and control device and the distributed power source controller of supporting ethernet communication via Shielded Twisted Pair or optical fiber.
3. a kind of microgrid telemechanical communication unit as claimed in claim 1 is characterized in that: said serial port board connects wall protection measure and control device and the distributed power source controller of supporting serial communication via the RS232/RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203985204U CN202268746U (en) | 2011-10-19 | 2011-10-19 | Micro-grid telemechanical communication unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203985204U CN202268746U (en) | 2011-10-19 | 2011-10-19 | Micro-grid telemechanical communication unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202268746U true CN202268746U (en) | 2012-06-06 |
Family
ID=46159530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203985204U Expired - Fee Related CN202268746U (en) | 2011-10-19 | 2011-10-19 | Micro-grid telemechanical communication unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202268746U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543721A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | Microgrid hierarchical control system modeling method meeting IEC61850 standard |
| CN106027316A (en) * | 2016-07-18 | 2016-10-12 | 中国南方电网有限责任公司 | Power distribution network terminal modeling method |
| CN103543721B (en) * | 2013-10-18 | 2016-11-30 | 国家电网公司 | A kind of modeling method of the micro-capacitance sensor hierarchy system meeting IEC61850 specification |
| CN106685699A (en) * | 2016-12-06 | 2017-05-17 | 南京南瑞继保电气有限公司 | Double-factor adaptive judgment system and method of telecontrol uplink communication enabling time |
| CN112181743A (en) * | 2020-09-24 | 2021-01-05 | 中车青岛四方车辆研究所有限公司 | Accompanying and measuring device of serial port equipment |
-
2011
- 2011-10-19 CN CN2011203985204U patent/CN202268746U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543721A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | Microgrid hierarchical control system modeling method meeting IEC61850 standard |
| CN103543721B (en) * | 2013-10-18 | 2016-11-30 | 国家电网公司 | A kind of modeling method of the micro-capacitance sensor hierarchy system meeting IEC61850 specification |
| CN106027316A (en) * | 2016-07-18 | 2016-10-12 | 中国南方电网有限责任公司 | Power distribution network terminal modeling method |
| CN106685699A (en) * | 2016-12-06 | 2017-05-17 | 南京南瑞继保电气有限公司 | Double-factor adaptive judgment system and method of telecontrol uplink communication enabling time |
| CN112181743A (en) * | 2020-09-24 | 2021-01-05 | 中车青岛四方车辆研究所有限公司 | Accompanying and measuring device of serial port equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103955777B (en) | Photovoltaic generation accesses power distribution network conceptual design and analysis and evaluation accessory system | |
| CN107272615B (en) | A kind of substation model processing method for deploying integral system | |
| CN102522819B (en) | Record wave pattern modeling method for fault record device of intelligent transformer substation | |
| CN105095600B (en) | A kind of intelligent substation and regulation and control center cooperative modeling method | |
| CN103516051B (en) | Wind energy turbine set centralized monitoring system platform | |
| CN102693129B (en) | The model conversion method of IEC61850 to 61970 and device | |
| CN102929911A (en) | All-in-one modeling method for transformer substation and dispatching master station | |
| CN102209108A (en) | Method and system for realizing seamless communication between master scheduling station and substation of power grid | |
| CN109327323B (en) | New energy grid-connected power communication network planning and optimizing method and system | |
| CN201518429U (en) | Electric energy qualitative data concentrator for digitalization transforming plant | |
| CN106599293A (en) | CIM XML power grid model used for integrated dispatching and distribution system | |
| CN104123427A (en) | Regional distributed photovoltaic power generation system modeling method based on IEC61850 standard | |
| CN202268746U (en) | Micro-grid telemechanical communication unit | |
| CN103793855A (en) | Construction method for real-time electricity supply and demand equilibrium index of regional grid | |
| CN103178542B (en) | Control method of distributed power grid-connection interface system | |
| Zhang et al. | Research on microgrid | |
| CN105529712A (en) | Microgrid control method employing integrated storage and distribution design | |
| Yoo et al. | CAN to IEC 61850 for microgrid system | |
| CN112421785A (en) | Panoramic data center of intelligent power distribution room | |
| CN201550141U (en) | Data conversion unit based on IEC61850 protocol | |
| Meng et al. | Common information model and its application based on source and load interactive system | |
| Sun et al. | Discussion on intelligent distribution automation system construction mode | |
| Tong et al. | IoT-Based Low-Voltage Power Distribution System Management and Control Platform | |
| CN105429869B (en) | A kind of integrated information exchange intelligent network shutdown in boss station | |
| D'Agostino et al. | Real time control of a low voltage microgrid through a Distribution Management System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120606 Termination date: 20191019 |