CN220358880U - Substation automation system capable of being partitioned - Google Patents
Substation automation system capable of being partitioned Download PDFInfo
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- CN220358880U CN220358880U CN202321808802.6U CN202321808802U CN220358880U CN 220358880 U CN220358880 U CN 220358880U CN 202321808802 U CN202321808802 U CN 202321808802U CN 220358880 U CN220358880 U CN 220358880U
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- 238000000034 method Methods 0.000 claims description 8
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 14
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- 238000007726 management method Methods 0.000 description 7
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Abstract
The utility model disclosesThe utility model belongs to the technical field of power substation automation application, and particularly discloses a substation automation system capable of being partitioned, which comprises powerA data network and a gateway table are scheduled,the electric powerThe dispatching data network is connected with a data dispatching layer, and the data dispatching layer Is connected withAnd the station control layer is connected with a spacing layer. The zonable substation automation system has the beneficial effects that: 1. the hardware configuration of the secondary part of the transformer substation is greatly simplified, and repetition is avoided; 2. the connection between the secondary devices of the transformer substation is greatly simplified; the workload of installation construction and maintenance is greatly reduced, and the total cost is also reduced; 3. lays a foundation for improving the automation level of operation management.
Description
Technical Field
The utility model belongs to the technical field of automatic application of power transformer substations, and particularly relates to a partitionable transformer substation automation system.
Background
The substation automation system combines and optimally designs functions of secondary equipment of a substation, and realizes automatic monitoring and measuring functions of main equipment, transmission lines, distribution lines and electric lines of the substation by utilizing a computer technology, an electronic technology, a communication technology and a signal processing technology.
The substation automation system can collect complete data and information, and then the computer is utilized to analyze the operation data of various devices in the substation and operate primary devices. The substation automation system is a comprehensive application of high technologies such as automation technology, computer technology, communication technology and the like in the field of substations.
Currently, substation automation systems can be structurally divided into centralized and hierarchical distributed modes. Because the substation automation system is a multi-professional cooperation enterprise, a plurality of professions such as protection, automation, communication and the like are covered, and the problems in many aspects of the system in operation are solved.
With the expansion of the scale of the power system and the improvement of the operation level, the substation automation system is adopted, so that the labor productivity is improved, and the possibility of manual misoperation is reduced. However, problems are also inevitably brought about, such as technical standard problems of substation automation systems, network structure problems and problems in data acquisition.
What is needed is a zoned substation automation system that improves the working efficiency, saves cost and time, and more importantly reduces the existing security risk, and truly achieves both efficiency and security.
Therefore, in order to solve the problems of the defects, the utility model provides a zoned substation automation system.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a partitioned substation automation system which is reasonable in design structure, and solves the problems by adopting a unified communication protocol standard, a partitioned open layered distributed network structure, a double sampling module and data sharing.
The technical scheme is as follows: the utility model provides a zoned substation automation system, which comprises electric powerModulation number According to the network and gateway list,the electric powerThe dispatching data network is connected with a data dispatching layer, and the data dispatching layer is connected withThe station control layer is connected with a spacing layer; the saidA data scheduling layer comprising a router,A first longitudinal encryption module, a second longitudinal encryption module, a first real-time switch and a second real-time switch,router respectivelyElectric powerScheduling data network,The first longitudinal encryption module and the second longitudinal encryption module are connected, and the first longitudinal encryption module and the second longitudinal encryption module are respectively connected with the first real-time switch and the second real-time switch; the station control layer comprisesAn electric energy acquisition terminal,A first telecontrol communication device, a protocol conversion device, a second telecontrol communication device, a time synchronization device, a microcomputer five-prevention device, a network printer and a host and operator station,electric energy harvesting Terminals respectivelyA first real-time switch,The gateway is connected with the gateway table,the protocol conversion device, the second telecontrol communication device, the time synchronization device, the microcomputer five-prevention, the network printer and the host and operator station are respectively connected with the first telecontrol communication device, and the time synchronization device is connected with the first telecontrol communication deviceThe electric energy acquisition terminal is connected; the saidA spacer layer comprisingPublic measurement and control screen, 35kV other protection and measurement devices, other intelligent equipment, A 1# main transformer protection screen and a 2# main transformer protection screen,protocol conversion deviceOther intelligent equipment is connected, a public measurement and control screen,35kV others The protection device, the 1# main transformer protection screen and the 2# main transformer protection screen are respectively connected withA second telecontrol communication device, a time synchronization device,Electric energy Acquisition terminalAnd (5) connection.
According to the technical scheme, theData scheduling layerThe system also comprises a firewall respectively connected with the first real-time switch and the second real-time switch.
According to the technical scheme, theData scheduling layerThe system also comprises a network security detection device which is respectively connected with the second real-time switch, the first telecontrol communication device, the protocol conversion device, the second telecontrol communication device, the time synchronization device, the microcomputer five-prevention device, the network printer and the host and operator station; network security detection devices include, but are not limited to, PD800-G14.
According to the technical scheme, the first longitudinal encryption module and the second longitudinal encryption module comprise but are not limited to VM1005S, the first real-time switch and the second real-time switch comprise but are not limited to TL-SG1009PH, the first remote communication device and the second remote communication device comprise but are not limited to ANet-2E8S, the protocol conversion device comprises but are not limited to PCS-9794, and the time synchronization device comprises but is not limited to SYN4505A.
In this solution, the firewall includes but is not limited to SRG1000-CE.
According to the technical scheme, the components of the spacing layer are connected through an Ethernet cable, and theElectric energy harvesting TerminalA time synchronization device,The 1# main transformer protection screen, the 2# main transformer protection screen, the public measurement and control screen and the 35kV other protection devices are communicated Through IRIG-B line connection, pass through 485 communication line connection between the gateway table and the electric energy acquisition terminal, other intelligent devices,Protocol conversion deviceIs connected with the main transformer protection screen 1# and the main transformer protection screen 2# through 485 communication lines, and is provided with a public measurement and control screen and 35kV other Protection and measurement deviceSecond telecontrol communication deviceAre respectively connected through 485 communication lines.
According to the technical scheme, the station control layer and the spacing layer respectively adopt a double-star Ethernet structure.
Compared with the prior art, the substation automation system capable of being partitioned has the beneficial effects that: 1. the hardware configuration of the secondary part of the transformer substation is greatly simplified, and repetition is avoided; 2. the connection between the secondary devices of the transformer substation is greatly simplified; the workload of installation construction and maintenance is greatly reduced, and the total cost is also reduced; 3. lays a foundation for improving the automation level of operation management.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front view of a partitionable substation automation system of the present utility model;
wherein, the serial numbers in the figures are marked as follows: 10-electric powerDispatch data network, 11-router, 13-electric energy collection terminal, 20-A first longitudinal encryption module, a 21-first real-time exchanger, a 22-second longitudinal encryption module, a 23-second real-time exchanger, a 24-first telecontrol communication device, a 25-protocol conversion device, a 26-second telecontrol communication device, a 27-time synchronization device, a 28-microcomputer five-prevention device, a 29-network printer, a 30-host and operator station and a 31-Public measurement and control screen, 32-35kV other protection and measurement devices, 33-Network security detection device, 34-firewall and 35-Other intelligent devices, 36-1# main transformer protection screen and 37-2# main transformer protection screen。
Description of the embodiments
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
A partitionable substation automation system as shown in fig. 1, comprising electric powerDispatch data network 10 and gateway table 12，
Electric powerThe dispatch data network 10 is connected with a data dispatch layer, and the data dispatch layer is connected withThe station control layer is connected with a spacing layer;
a data scheduling layer comprising a router 11,A first longitudinal encryption module 20, a second longitudinal encryption module 22, a first real-time switch 21, a second real-time switch 23,the routers 11 respectivelyElectric powerA dispatch data network 10,The first longitudinal encryption module 20 and the second longitudinal encryption module 22 are connected, and the first longitudinal encryption module 20 and the second longitudinal encryption module 22 are respectively connected with the first real-time switch 21 and the second real-time switch 23;
a station control layer comprisingAn electric energy collection terminal 13,First tele-movement deviceA communication device 24, a protocol conversion device 25, a second telecommunicating device 26, a time synchronization device 27, a microcomputer five-prevention device 28, a network printer 29 and a host and operator station 30,electric energy Acquisition terminals 13 respectivelyA first real-time switch 21,The gateway table 12 is connected with the gateway,the protocol conversion device 25, the second telecontrol communication device 26, the time synchronization device 27, the microcomputer five-prevention device 28, the network printer 29 and the host and operator station 30 are respectively connected with the first telecontrol communication device 24, and the time synchronization device 27 is connected with the computer five-prevention device 28The electric energy acquisition terminal 13 is connected;
a spacer layer comprisingPublic measurement and control screen 31, 35kV other protection device 32, other intelligent equipment 35 and 1# main transformer protection Screen 36 and 2# main transformer protection screen 37,protocol conversion device 25Other intelligent devices 35 are connected, and public measurement and control screens 31, 35kV are other The protection device 32, the 1# main transformer protection screen 36 and the 2# main transformer protection screen 37 are respectively connected withA second telecommunicating device 26, a time synchronizing device 27,Electric energy collection terminal 13And (5) connection.
In addition, it is preferable thatData scheduling layerAnd further includes a firewall 34 connected to the first real-time switch 21 and the second real-time switch 23, respectively.
In addition, it is preferable thatData scheduling layerThe system further comprises a network security detection device 33 which is respectively connected with the second real-time switch 23, the first telecontrol communication device 24, the protocol conversion device 25, the second telecontrol communication device 26, the time synchronization device 27, the microcomputer five-prevention device 28, the network printer 29 and the host and operator station 30; network security detection device 33 includes, but is not limited to, PD800-G14 sold by Nanj Siwa electric Co.
In addition, the first and second longitudinal encryption modules 20 and 22 preferably include, but are not limited to, VM1005S sold by 5G longitudinal encryption convergence communication gateway of Shandong Temmit communication technologies, the first and second real-time switches 21 and 23 include, but are not limited to, gigabit ethernet switch TL-SG1009PH of Kangmai communication technologies, guangzhou, the first and second remote communication devices 24 and 26 include, but are not limited to, ANet-2E8S1 sold by An Kerui electronic commerce (Shanghai) limited, and the protocol conversion device 25 includes, but is not limited to, PCS-9794 protocol conversion device sold by Shaanxi Fuyou electric appliances technology development limited, and the time synchronization device 27 includes, but is not limited to, SYN4505A sold by Siam Baijun electronic technologies limited.
In addition, preferred firewalls 34 include, but are not limited to, the SRG1000-CE sold by Di technology.
In addition, the preferable station control layer and the spacer layer respectively adopt a double star Ethernet structure.
When the components of the system are assembled, the components of the spacer layer are connected through Ethernet wires,electric energy Quantity acquisition terminal 13A time synchronization device 27,1# main transformer protection screen 36, 2# main transformer protection screen 37, public measurement and control screen 31, 35kV He protects the connection between the devices 32 through IRIG-B line, the gateway meter 12, the electric energy collection terminal 13 through 485 communication line Other intelligent devices 35,Protocol conversion device 25Is connected with the protection screen 36 of the 1# main transformer and the protection screen of the 2# main transformer through 485 communication lines Protection screen 37, public measurement and control screen 31, 35kV other protection device 32 andsecond telemechanical communication device 26Respectively communicate with each other through 485 And (5) wire connection.
Working principle or structural principle of the zonable substation automation system of the structure:
the station control layer provides a man-machine contact interface running in the station, realizes the functions of managing and controlling the spacer layer, the process layer equipment and the like, forms a total station monitoring and managing center, and communicates with a remote monitoring and scheduling center.
The spacer layer can still independently complete the in-situ monitoring function of spacer layer equipment under the condition that the station control layer and the network fail.
Data scheduling layerThe system is composed of a merging unit, an intelligent terminal and the like, and completes functions related to primary equipment, including acquisition of real-time running electric quantity, monitoring of equipment running state, execution of control commands and the like.
Data scheduling layerThe network is completely independent of the station control layer and the spacer layer network. Station control layer network: the station-controlled layer device communicates with other devices of the station-controlled layer through a network and with the spacer layer device,MMS messages and GOOSE messages can be transmitted, the station control layer network operates by adopting MMS, and the transmitted information does not influence the protection function.
Spacer layer network: the spacer layer equipment is communicated with other equipment at intervals, other spacer layer equipment and station control layer equipment through a network, and can transmit MMS messages and GOOSE messages, and the spacer layer equipment is accessed into the station control layer network through an Ethernet.
The system realizes the functions of reliable, reasonable and perfect monitoring, measurement, control, breaker closing synchronization and the like of the transformer substation, has the functions of remote measurement, remote signaling, remote regulation and remote control of all remote movements and clock synchronization, and has the capability of exchanging information with a dispatching communication center.
(1) The data required by the first remote communication device 24 and the second remote communication device 26 should be directly from the measurement and control device and used as a transmission channel through the station control layer network.
(2) The data acquisition realizes the acquisition and statistical calculation of power grid state data, measurement data and electric energy data, the acquisition of power grid dynamic and transient data, and the acquisition of operation state data of primary equipment, secondary equipment and auxiliary equipment.
(3) Operation monitoring and comprehensive display of information such as power grid operation information, protection information, primary equipment, secondary equipment operation states and the like are realized through a visualization technology.
(4) The operation and control realizes the local and remote operation control of the equipment in the transformer station, including sequential control, reactive power optimization control, switch/knife switch operation in normal or emergency state, misoperation-preventive locking operation and the like, and the dispatching (regulation) center realizes dispatching control, remote browsing and the like through the data communication gateway machine.
(5) And (3) comprehensively analyzing and deciding intelligent alarming and fault information, analyzing and reasoning the running state of the transformer substation in real time on line, automatically reporting the abnormality of the transformer substation and providing fault processing guidance comments.
(6) The operation management supports the source maintenance and model checking functions, realizes the unification of the total station information model, establishes complete basic information of equipment in the station, and provides basic data for other applications in the station; and the maintenance flow management is supported, and the standardization of equipment maintenance work is realized.
(7) The source end is maintained, the configuration is carried out on the transformer substation by utilizing a unified system configuration tool, a standard configuration file is generated, the standard configuration file comprises parameters such as transformer substation network topology and the like, an IED data model and the connection between the parameters, and rights management, equipment management, fixed value management and overhaul management are carried out.
The system distributes the whole automatic function to a plurality of computers, thus avoiding the burden of the system caused by centralization and improving the processing efficiency of the system. When one computer encounters a problem, other computers can also play their normal functions, and are not affected by other computers. The functions of the parts of the system are separated, each part can independently operate, each part can be correspondingly expanded, and accordingly, each part can be correspondingly improved and developed, so that the overall level of the system is improved. The transformer substation is divided into three layers according to the sequence from top to bottom, which are a station control layer, a spacing layer,Data scheduling layerThe automation system with the structure needs to form an orderly combination of data monitoring, acquisition and protection, and the whole system becomes well-defined.
The system has the following characteristics: 1. the system has high operation safety, clear structure and strong anti-interference capability; 2. the system integrates the functions of microcomputer monitoring, microcomputer protection and microcomputer remote control of the transformer substation, fully plays the roles of a microcomputer, improves the automation level of the transformer substation, improves the reliability of the automatic device of the transformer substation and reduces the connecting wires of a secondary system of the transformer substation; 3. the remote control system has the functions of remote control, protection, operation (error prevention), measurement, fault wave recording, accident sequence recording, automatic recording of operation parameters and the like, has high reliability, and can realize unmanned duty of the transformer substation.
The system comprises components of a gateway meter DTZ568 (Xu Ji instrument) 12, an electric energy acquisition terminal FT-8252 (Jiangsu square day) 13, a microcomputer five-prevention DBMS (Zhuhai you special) 28, a network printer LJ6700DN 1/nLQ-350K (association) 29, a host and operator station NF8260M5 (Langchao) 30, a 1# main transformer protection screen CSC-326T1-G (Beijing square) 36, a 2# main transformer protection screen CSC-326T1-G (Beijing square) 37, a public measurement and control screen CSI-200E (Beijing square) 31, 35kV other protection devices CSD-211A-G (Beijing square) 32, other intelligent equipment CSC-1312C (Beijing square) 35 and the like.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A zonable substation automation system includes powerA dispatch data network (10) and a gateway table (12),the method is characterized in that:
the electric powerThe dispatch data network (10) is connected with a data dispatch layer, and the data dispatch layer is connected withThe station control layer is connected with a spacing layer;
the saidA data scheduling layer comprising a router (11),A first longitudinal encryption module (20), a second longitudinal encryption moduleAn encryption module (22), a first real-time switch (21) and a second real-time switch (23),routers (11) eachElectric powerA dispatch data network (10),The first longitudinal encryption module (20) and the second longitudinal encryption module (22) are connected, and the first longitudinal encryption module (20) and the second longitudinal encryption module (22) are respectively connected with the first real-time switch (21) and the second real-time switch (23);
the station control layer comprisesAn electric energy collection terminal (13),A first telecontrol communication device (24), a protocol conversion device (25), a second telecontrol communication device (26), a time synchronization device (27), a microcomputer five-prevention device (28), a network printer (29) and a host and operator station (30),the electric energy collection terminals (13) are respectively connected withA first real-time switch (21),The gateway table (12) is connected with the gateway,the protocol conversion device (25), the second telecontrol communication device (26), the time synchronization device (27), the microcomputer five-prevention device (28), the network printer (29) and the host and operator station (30) are respectively connected with the first telecontrol communication device (24), and the time synchronization device (27) and the microcomputer five-prevention device are respectively connected with the first telecontrol communication device (24)Electric energy acquisition terminal (13) Connecting;
the saidA spacer layer comprisingPublic measurement and control screen (31), 35kV other protection and measurement devices (32), other intelligent equipment (35) and 1# main unit A variable protection screen (36) and a 2# main variable protection screen (37),protocol conversion device (25)Other intelligent devices (35) are connected, and public measurement is carried out The control screen (31), the 35kV other protection device (32), the 1# main transformer protection screen (36) and the 2# main transformer protection screen (37) are respectively connected withA second telecontrol communication device (26), a time synchronization device (27),Electric energy collection terminal (13)And (5) connection.
2. A zonable substation automation system according to claim 1, characterized in that: the saidData scheduling Layer(s)The system also comprises a firewall (34) respectively connected with the first real-time switch (21) and the second real-time switch (23).
3. A partitionable substation automation system according to claim 1 or 2, characterized in that: the saidData Scheduling layerThe system further comprises a network security detection device (33) which is respectively connected with the second real-time switch (23), the first telecontrol communication device (24), the protocol conversion device (25), the second telecontrol communication device (26), the time synchronization device (27), the microcomputer five-prevention device (28), the network printer (29) and the host and operator station (30);
wherein the network security detection means (33) includes, but is not limited to, PD800-G14.
4. A zonable substation automation system according to claim 1, characterized in that: the first longitudinal encryption module (20) and the second longitudinal encryption module (22) comprise, but are not limited to, VM1005S, the first real-time switch (21) and the second real-time switch (23) comprise, but are not limited to, TL-SG1009PH, the first remote communication device (24) and the second remote communication device (26) comprise, but are not limited to, ANet-2E8S1, the protocol conversion device (25) comprise, but are not limited to, PCS-9794, and the time synchronization device (27) comprise, but are not limited to, SYN4505A.
5. A zonable substation automation system according to claim 2, characterized in that: the firewall (34) includes, but is not limited to, an SRG1000-CE.
6. A zonable substation automation system according to claim 3, characterized in that: the components of the spacing layer are connected through an Ethernet cable, theElectric energy collection terminal (13)A time synchronization device (27),1# main transformer protector The IRIG-B line is adopted among the protection screen (36), the 2# main transformer protection screen (37), the public measurement and control screen (31) and the 35kV other protection and measurement devices (32) The gateway meter (12) and the electric energy acquisition terminal (13) are connected through 485 communication lines, and other intelligent devices (35),Protocol conversion device (25)Is connected with each other through 485 communication lines, and a 1# main transformer protection screen (36)) 2# main transformer protection screen (37), public Measurement and control screen (31), 35kV other protection and measurement device (32) andsecond telecontrol communication device (26)Are respectively connected by 485 communication lines And (5) connecting.
7. A zonable substation automation system according to claim 1, characterized in that: the station control layer and the spacer layer respectively adopt a double star Ethernet structure.
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Address after: Room 704, building 03, Nanjing Tian'an Digital City, No. 36 Yongfeng Avenue, Qinhuai District, Nanjing, Jiangsu 210014 Patentee after: Jiangsu Hezong Smart Energy Co.,Ltd. Country or region after: China Address before: Room 704, Building 03, Nanjing Tian'an Digital City, No. 36 Yongfeng Avenue, Qinhuai District, Nanjing City, Jiangsu Province, China, 210014 Patentee before: JIANGSU PENGCHUANG ELECTRIC DESIGN Co.,Ltd. Country or region before: China |