CN216057077U - Network networking and monitoring system structure suitable for offshore wind farm - Google Patents
Network networking and monitoring system structure suitable for offshore wind farm Download PDFInfo
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- CN216057077U CN216057077U CN202120877015.1U CN202120877015U CN216057077U CN 216057077 U CN216057077 U CN 216057077U CN 202120877015 U CN202120877015 U CN 202120877015U CN 216057077 U CN216057077 U CN 216057077U
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Abstract
The utility model provides a network networking and monitoring system structure suitable for an offshore wind farm, which comprises an offshore booster station, a onshore metering station and an onshore centralized control center, wherein the onshore centralized control center and the onshore metering station are separately arranged; the offshore booster station, the onshore metering station and the onshore centralized control center form a ring network structure, the communication connection line of the offshore booster station and the onshore centralized control center comprises a first part between the offshore booster station and the onshore metering station and a second part between the onshore metering station and the onshore centralized control center, and the first part and the second part are connected at the onshore metering station. The utility model can meet the requirement of remote monitoring between sea and land, supports the separated construction of the land centralized control center and the land metering station, solves the environmental problem of long-term work and life of operation and maintenance personnel of the land centralized control center, provides convenient conditions for the operation and maintenance personnel to go out of the sea, and simultaneously increases the reliability, safety and transmission bandwidth of information transmission between three stations.
Description
Technical Field
The utility model relates to a network networking and monitoring system suitable for an offshore wind farm, which is suitable for the field of offshore wind power generation.
Background
The offshore wind power station is far away from the shore, so that an offshore booster station, a land metering station and a high-voltage submarine cable between the offshore booster station and the land metering station are generally constructed in a matched manner, the offshore booster station collects and boosts the electric energy of the wind power station, then the electric energy is transmitted to the land metering station through the high-voltage submarine cable, and then the electric energy is transmitted to a power grid through a power system line.
The offshore booster station adopts an unattended operation mode, various monitoring information of the offshore booster station is sent to a land metering station near a landing point of a submarine cable through an SDH optical communication workstation and a submarine composite optical cable, a centralized control center is usually arranged in the land metering station, and the land metering station (the land centralized control center) is responsible for real-time remote monitoring of the offshore booster station.
In practical engineering, two types of problems may exist when a land centralized control center is arranged in a land metering station: 1. The site selection of the onshore metering station is generally positioned in a coastal region and is not suitable for long-term work and residence of operators on duty; 2. the onshore metering station is far away from the operation and maintenance wharf, so that the operation personnel are inconvenient to go out of the sea for operation and maintenance.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: aiming at the existing problems, a network networking and monitoring system structure suitable for an offshore wind farm is provided, a land centralized control center and a land metering station are separately constructed, an offshore booster station and the land metering station operate according to 'unattended' operation, remote monitoring of the two stations is realized by the land centralized control center, and monitoring information is changed from transmission between the two stations of the conventional offshore booster station-land metering station (land centralized control center) into transmission between the three stations of the offshore booster station-land metering station-land centralized control center, so that the offshore and operation and maintenance personnel can conveniently live while the remote monitoring requirements are met.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a network networking and monitored control system structure suitable for offshore wind farm, contains offshore booster station, land measurement station and land centralized control center, its characterized in that: the land centralized control center and the land metering station are separately arranged;
the offshore booster station is in communication connection with the land metering station; the onshore metering station is in communication connection with the onshore centralized control center, the offshore booster station is in communication connection with the onshore centralized control center, the communication connection line comprises a first part between the offshore booster station and the onshore metering station and a second part between the onshore metering station and the onshore centralized control center, the first part and the second part are connected with the onshore metering station, and the offshore booster station, the onshore metering station and the onshore centralized control center form a ring network structure.
The offshore booster station and the onshore metering station are designed according to an unattended operation mode, the onshore metering station is used as an electric power dispatching point between an offshore wind farm and an electric power dispatching department, and the onshore centralized control center realizes real-time remote monitoring and control of the offshore wind farm and is used as an engineering command center and an operation and maintenance base. The land metering station is built near a submarine cable landing point, and the land centralized control center is built near an operation and maintenance wharf.
The offshore booster station, the onshore metering station and the onshore centralized control center are respectively provided with a first optical communication workstation SDH, a second optical communication workstation SDH and a third optical communication workstation SDH to form a ring network structure, so that the reliability of information transmission is improved, and multi-site remote monitoring is realized.
Furthermore, the offshore booster station is provided with a first monitoring workstation, monitoring and dispatching automation equipment and a first network switch; the land metering station is provided with a second monitoring workstation, monitoring and system communication dispatching automation equipment and a second network switch, and the land centralized control center is provided with a third monitoring workstation, computer monitoring system equipment and a third network switch;
the first monitoring workstation, the computer monitoring system equipment in the monitoring and dispatching automation equipment and the first optical communication workstation are connected to a first network switch through Ethernet cables; the second monitoring workstation, the computer monitoring system equipment in the monitoring and system communication dispatching automation equipment and the second optical communication workstation are connected to a second network switch through Ethernet cables; the third monitoring workstation, the computer monitoring system equipment of the land centralized control center and the third optical communication workstation are connected to a third network switch through Ethernet cables.
Furthermore, computer monitoring system equipment is arranged in monitoring and system communication scheduling automation equipment of the land metering station, and a telecontrol device, a scheduling data network, system communication equipment and scheduling automation equipment are configured so as to be in communication connection with a power scheduling department; the telecontrol device is connected with the dispatching automation equipment, the dispatching data network and the system communication equipment in sequence, and the computer monitoring system equipment and the telecontrol device in the monitoring and system communication dispatching automation equipment are connected to the second network switch through Ethernet cables.
Further, the offshore booster station dispatching automation equipment is connected to the first optical communication workstation through an Ethernet cable, and the onshore metering station dispatching automation equipment is connected to the second optical communication workstation through the Ethernet cable.
Furthermore, a submarine cable composite optical cable is adopted for connecting the first optical communication workstation SDH of the offshore booster station with the second optical communication workstation SDH of the onshore metering station, an all-dielectric self-supporting ADSS optical cable is adopted for connecting the second optical communication workstation SDH of the onshore metering station with the third optical communication workstation SDH of the onshore centralized control center, and a submarine cable composite optical cable and an ADSS optical cable are adopted for connecting the offshore booster station with the optical communication equipment of the onshore centralized control center SDH, wherein the first part is the submarine cable composite optical cable, and the second part is the ADSS optical cable. Compared with the communication channel of the traditional rented operator, the ADSS special optical cable established between the land metering station and the land centralized control center can better ensure the reliability and the safety of monitoring information transmission and increase the transmission bandwidth.
By adopting the technical scheme of the utility model, the utility model has the beneficial effects that: compared with the prior art, the offshore wind farm network networking and monitoring system can meet the requirement of remote monitoring between sea and land, support the separated construction of a land centralized control center and a land metering station, solve the environmental problem of long-term work and life of operation and maintenance personnel of the land centralized control center, provide convenient conditions for the operation and maintenance personnel to go out of the sea, and simultaneously increase the reliability, safety and transmission bandwidth of information transmission among three stations.
Drawings
Fig. 1 is a schematic configuration diagram of a network networking and monitoring system according to the present invention.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples.
As shown in fig. 1, the network networking and monitoring system structure suitable for the offshore wind farm in the present embodiment includes an offshore booster station 1, a onshore metering station 2, and an onshore centralized control center 3, and adopts a multi-site remote monitoring mode, and both the offshore booster station and the onshore metering station are designed according to an "unattended" operation mode. The onshore centralized control center is arranged separately from the onshore metering station, for the submarine cable landing point and the operation and maintenance wharf, the onshore metering station 2 is built at a position closer to the submarine cable landing point than the onshore centralized control center 3, and the onshore centralized control center 3 is built at a position closer to the operation and maintenance wharf than the onshore metering station 2. The onshore metering station 2 is used as an electric power dispatching point between an offshore wind farm and an electric power dispatching department, and the onshore centralized control center 3 is used for realizing real-time remote monitoring and control of the offshore wind farm and is used as an engineering command center and an operation and maintenance base.
Three single-core seabed photoelectric composite cables 4 are built between the offshore booster station 1 and the onshore metering station 2, and the single-core seabed photoelectric composite cable 4 is a 2-24-core optical cable; a part of optical fibers in each undersea photoelectric composite cable 4 are exclusively used for communication connection between the offshore booster station 1 and the onshore metering station 2, and the other part of optical fibers 8 are used for communication connection with the onshore centralized control center 3.
A24-core ADSS special optical cable 5 is built between the land metering station 2 and the land centralized control center 3, one part of optical fiber in the 24-core ADSS special optical cable 5 is specially used for communication connection between the land metering station 2 and the land centralized control center 3, the other part of optical fiber 6 is connected with the other part of optical fiber 8 in the undersea photoelectric composite cable 4 in the land metering station 2, and a melting point 7 is arranged in the land metering station 2. The ADSS Optical Cable is an All-dielectric Self-supporting Optical Cable and is also called an All-dielectric Self-supporting Optical Cable.
The offshore booster station 1 is provided with two first optical communication workstations SDH (synchronous Digital hierarchy), one master optical communication workstation and one slave optical communication workstation, wherein the reference number is 91; the land metering station 2 is provided with two second optical communication workstations SDH, one master and one spare, the reference number is 92, the land centralized control center 3 is provided with two third optical communication workstations SDH, one master and one spare, the reference number is 92 to form an optical fiber ring network, the first optical communication workstation 91 is connected with the second optical communication workstation 92 through a part of optical fibers in the submarine photoelectric composite cable 4, the second optical communication workstation 92 is connected with the optical communication workstation 93 through a part of optical fibers in the ADSS special optical cable 5, and the first optical communication workstation 91 is connected with the third optical communication workstation 93 through a part of optical fibers 8 in the submarine photoelectric composite cable 4 and another part of optical fibers 6 in the ADSS special optical cable 5.
The offshore booster station 1 is provided with a first monitoring workstation 101, monitoring and dispatching automation equipment 12 and a first network switch 111; the landing point metering station 2 is provided with a second monitoring workstation 102, a monitoring and system communication dispatching automation device 13 and a second network switch 112, and the land centralized control center 3 is provided with a third monitoring workstation 103, a computer monitoring system device 14 and a third network switch 113.
The first monitoring station 101, the computer monitoring device in the monitoring and scheduling automation device 12, and the first optical communication station 91 are connected to the first network switch 111 through ethernet lines. The second monitoring workstation 102, the computer monitoring system devices in the monitoring and system communication scheduling automation device 13, and the second optical communication workstation 92 are connected to the second network switch 112 through ethernet lines. The third monitoring workstation 103, the computer monitoring system device 14 and the third optical communication workstation 93 are connected to the third network switch 113 through ethernet lines. The first network switch 111, the second network switch 112, and the third network switch 113 are also configured as master and slave devices. The dispatching automation equipment 19 in the monitoring and dispatching automation equipment 12 of the offshore booster station 1 is connected to the first optical communication workstation 91 through an Ethernet cable, and the dispatching automation equipment 18 in the monitoring and system communication dispatching automation equipment 13 of the onshore metering station 2 is connected to the second optical communication workstation 92 through an Ethernet cable to form a point-to-point networking;
the monitoring and system communication dispatching automation equipment 13 of the land metering station 2 is provided with computer monitoring system equipment, and is provided with a telecontrol device 15, a dispatching data network 16, system communication equipment 17 and dispatching automation equipment 18. The telecontrol device 15 and the dispatching automation equipment 18 are connected with the dispatching data network 16 through Ethernet cables. The dispatch data network 16 is connected to the system communication device 17 via a coaxial cable. The computer monitoring system equipment and the telemechanical device 15 in the monitoring and system communication scheduling automation equipment 13 are connected to the second network switch 112 through ethernet lines. The computer monitoring telecontrol information transmitted by the telecontrol equipment 15 and other power dispatching information transmitted by the dispatching automation equipment 18 are transmitted to a dispatching data network 16. The dispatching data network 16 transmits the power dispatching information to the power dispatching department through the system communication equipment 17.
The monitoring and dispatching automation device 12 of the offshore booster station 1 is provided with a computer monitoring system device and the dispatching automation device 19.
The monitoring systems of the three stations form an optical fiber ring network through SDH communication equipment in the respective stations, and real-time remote monitoring of the offshore booster station 1 and the onshore metering station 2 by the onshore centralized control center 3 is realized. As a submarine cable landing point and a power cable outgoing side, the onshore metering station 2 is a wind power plant metering gateway setting point and a power system dispatching point setting point, and establishes power dispatching between an offshore wind power plant and a power dispatching department.
In the embodiment, the special optical fiber ring network is built, so that the bottleneck of three-station communication data transmission is solved, and a solid guarantee is provided for the high efficiency, reliability and safety of system operation.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (6)
1. The utility model provides a network networking and monitored control system structure suitable for offshore wind farm, contains offshore booster station, land measurement station and land centralized control center, its characterized in that: the land centralized control center and the land metering station are separately arranged;
the offshore booster station is in communication connection with the land metering station; the onshore metering station is in communication connection with the onshore centralized control center, the offshore booster station is in communication connection with the onshore centralized control center, the communication connection line comprises a first part between the offshore booster station and the onshore metering station and a second part between the onshore metering station and the onshore centralized control center, the first part and the second part are connected with the onshore metering station, and the offshore booster station, the onshore metering station and the onshore centralized control center form a ring network structure.
2. The network networking and monitoring system structure suitable for offshore wind farms according to claim 1, wherein the offshore booster station, the onshore metering station and the onshore centralized control center are respectively provided with a first optical communication workstation SDH, a second optical communication workstation SDH and a third optical communication workstation SDH to form a ring network structure.
3. The network networking and monitoring system structure suitable for offshore wind farms according to claim 2, wherein the offshore booster station is provided with a first monitoring workstation, a monitoring and dispatching automation device, a first network switch; the land metering station is provided with a second monitoring workstation, monitoring and system communication dispatching automation equipment and a second network switch, and the land centralized control center is provided with a third monitoring workstation, computer monitoring system equipment and a third network switch;
the first monitoring workstation, the computer monitoring system equipment in the monitoring and dispatching automation equipment and the first optical communication workstation are connected to a first network switch through Ethernet cables; the second monitoring workstation, the computer monitoring system equipment in the monitoring and system communication dispatching automation equipment and the second optical communication workstation are connected to a second network switch through Ethernet cables; the third monitoring workstation, the computer monitoring system equipment of the land centralized control center and the third optical communication workstation are connected to a third network switch through Ethernet cables.
4. The network networking and monitoring system structure suitable for offshore wind farms according to claim 3, wherein computer monitoring system equipment is arranged in the monitoring and system communication and dispatching automation equipment of the onshore metering station, and a telecontrol device, a dispatching data network, system communication equipment and dispatching automation equipment are configured so as to be in communication connection with the power dispatching department; the telecontrol device is connected with the dispatching automation equipment, the dispatching data network and the system communication equipment in sequence, and the computer monitoring system equipment and the telecontrol device in the monitoring and system communication dispatching automation equipment are connected to the second network switch through Ethernet cables.
5. The network networking and monitoring system architecture for offshore wind farms, as set forth in claim 2, wherein the offshore booster station dispatch automation device is connected to the first optical communication workstation via an ethernet cable, and the onshore metering station dispatch automation device is connected to the second optical communication workstation via an ethernet cable.
6. The network networking and monitoring system structure of claim 2, wherein the first optical communication workstation SDH of the offshore booster station is connected to the second optical communication workstation SDH of the onshore measurement station by an undersea cable composite optical cable, the second optical communication workstation SDH of the onshore measurement station is connected to the third optical communication workstation SDH of the onshore centralized control center by an all-dielectric self-supporting ADSS optical cable, and the optical communication equipment of the offshore booster station and the onshore centralized control center SDH are connected by an undersea cable composite optical cable + ADSS optical cable, wherein the first part is the undersea cable composite optical cable and the second part is the ADSS optical cable.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113271340A (en) * | 2021-04-26 | 2021-08-17 | 中国电建集团华东勘测设计研究院有限公司 | Network networking and monitoring system configuration structure suitable for offshore wind farm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113271340A (en) * | 2021-04-26 | 2021-08-17 | 中国电建集团华东勘测设计研究院有限公司 | Network networking and monitoring system configuration structure suitable for offshore wind farm |
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