CN116016194A - Topological structure of electric power secondary system-electric power dispatching data network - Google Patents

Topological structure of electric power secondary system-electric power dispatching data network Download PDF

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Publication number
CN116016194A
CN116016194A CN202211552090.6A CN202211552090A CN116016194A CN 116016194 A CN116016194 A CN 116016194A CN 202211552090 A CN202211552090 A CN 202211552090A CN 116016194 A CN116016194 A CN 116016194A
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China
Prior art keywords
data network
power
service system
service
station
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CN202211552090.6A
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Chinese (zh)
Inventor
黄磊
周忠强
方曦
汪适
黎婧
武玮
刘颖
梅嘉馨
吴鹏
姜丹
杨崇品
刘君
韩璐
田翰霖
龙小惠
冯业
张显文
胡惠
刘振球
覃杨
杨代肸
龙黎
邓封毅
罗波
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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Priority to CN202211552090.6A priority Critical patent/CN116016194A/en
Publication of CN116016194A publication Critical patent/CN116016194A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a topological structure of a service-power dispatching data network of a power secondary system, which comprises a telecontrol service system, a relay protection information service system and a WAMS service system, wherein the telecontrol service system, the relay protection information service system and the WAMS service system are arranged in a real-time control area of the dispatching data network; the information collected by each service system through the sub-station is transmitted to the power dispatching data network; a control area switch and a non-control area switch are arranged between the substation and the dispatching data network and are mutually isolated through a transverse firewall, the control area switch is connected with the operation and maintenance network in a shut-down mode, the control area switch is connected with a longitudinal encryption device in an upper mode, and the longitudinal encryption device is connected with a dispatching data network customer edge router CE; the non-control area exchanger is connected with a dispatching data network customer edge router CE through a longitudinal firewall; the operation and maintenance gateway machine is connected with secondary equipment in the station through the station control area switch to form a complete topological structure, and confidentiality and integrity protection of data transmission are realized.

Description

Topological structure of electric power secondary system-electric power dispatching data network
Technical Field
The invention belongs to the technical field of power systems, and particularly relates to a topological structure of a power secondary system-power dispatching data network.
Background
The power dispatching data network is a carrier for information transmission between main stations and sub stations of the power secondary system, is a network system which is easy to expand, upgrade and manage and use, and takes the factors of layered structure, standardization, service management capability, expansibility, safety reliability, instantaneity and the like into consideration when the power dispatching data network is used for networking. The mode of accessing the power secondary system into the power dispatching data network deeply influences the confidentiality and the integrity of the transmission data, so that the topology structure of each service of the power secondary system and the power dispatching data network is one of the key points of the study of the distribution network by the technicians in the field.
Disclosure of Invention
The invention aims to provide a topological structure of a power secondary system-a power dispatching data network, which ensures that the transmission data of each service system is reliable and complete after the power secondary system is accessed.
The technical scheme adopted by the invention is that the topology structure of the power secondary system service-power dispatching data network is adopted, wherein the power secondary system service comprises a telemechanical service system, a relay protection information service system and a WAMS service system, the telemechanical service system and the WAMS service system are arranged in a real-time control area of the dispatching data network, and the relay protection information service system is arranged in a non-real-time control area; the information collected by each service system through the substation is transmitted to the power dispatching data network, and then transmitted to the dispatching master station through the forwarding transmission of the power dispatching data network.
Furthermore, a control zone switch and a non-control zone switch are arranged between the substation and the dispatching data network, and are mutually isolated through a transverse firewall and respectively positioned in a safety zone I and a safety zone II.
Further, the control area exchanger of the safety area I is powered off for the lower connection operation and maintenance network, the upper connection operation and maintenance network is connected with the longitudinal encryption device, and the longitudinal encryption device is connected with the dispatching data network customer edge router CE.
Further, the safe zone II non-control zone switch is connected with the dispatching data network customer edge router CE through a longitudinal firewall.
Further, the operation and maintenance gateway machine is connected with a station control area switch in a downward mode, the station control area switch is connected with secondary equipment in a station, and data of each service system in the station are collected.
Further, the secondary equipment in the station comprises a protection device, a measurement and control device, a phasor measurement device and a metering device.
Furthermore, the station control switch adopts a double-machine mode, and each switch is standby.
Further, the station-controlled area switch configures a VLAN to isolate different system traffic information flows from each other, where the specific configuration of the VLAN is: the VLANID of the remote service system is 10, the VLANID of the security service system is 20, and the VLANID of the WAMS service system is 30.
The invention has the beneficial effects that the control area exchanger and the non-control area exchanger are arranged between the transformer substation and the dispatching data network and are mutually isolated through the transverse firewall, the transverse firewall can play roles of access control and network address conversion, the control area exchanger is powered off for the lower connection operation and maintenance network, the upper connection operation and maintenance network is connected with the longitudinal encryption device, the longitudinal encryption device is used for controlling the wide area network boundary protection of a production large area, the authentication and encryption functions are provided for the communication network, the confidentiality protection and the integrity protection of data transmission are realized, the identity of a network visitor is effectively authenticated, the non-control area exchanger is connected with the dispatching data network customer edge router CE through the longitudinal firewall, the complete topology structure of the transformer substation and the dispatching data network is finally formed, and the reliability and the integrity of the transmission data of the access of each service system to the power dispatching data network are ensured.
Drawings
Fig. 1 is a connection diagram of a power secondary system and a power dispatching data network according to the present invention.
Detailed Description
The invention will be further explained below with reference to the drawings and examples of the specification to facilitate a better understanding of those skilled in the art.
Example 1
As shown in fig. 1, a topology structure of a power secondary system service-power dispatching data network, wherein the power secondary system service comprises a telemechanical service system, a relay protection information service system and a WAMS service system, the telemechanical service system and the WAMS service system are arranged in a real-time control area of the dispatching data network, and the relay protection information service system is arranged in a non-real-time control area; the information collected by each service system is transmitted to the power dispatching data network through the sub-station, and then transmitted to the dispatching master station through the forwarding transmission of the power dispatching data network, and the master station system also obtains the corresponding sub-station system information through the dispatching data network transmitting various calling commands issued by the dispatching master station system.
A control zone switch and a non-control zone switch are arranged between the substation and the dispatching data network, the control zone switch and the non-control zone switch are mutually isolated through a transverse firewall, and are respectively positioned in a safety zone I and a safety zone II, and the transverse firewall can play roles of access control and network address conversion.
The control area exchanger of the safety area I is connected with the operation and maintenance network for shutdown, the control area exchanger is connected with the longitudinal encryption device for shutdown, and the longitudinal encryption device is connected with the dispatching data network customer edge router CE; the longitudinal encryption device is used for controlling wide area network boundary protection of a production area, providing authentication and encryption functions for a communication network, realizing confidentiality protection and integrity protection of data transmission, and effectively authenticating the identity of a network visitor.
And the safety zone II non-control zone switch is connected with a dispatching data network customer edge router CE through a longitudinal firewall to finally form a complete topological structure of the substation and the dispatching data network.
The operation and maintenance gateway machine is connected with a station control area switch in a pair mode, the station control area switch is connected with secondary equipment in a station, and data of each service system in the station are collected; the secondary equipment in the station comprises a protection device, a measurement and control device, a phasor measurement device and a metering device. In order to ensure reliability, the station control area switches adopt a dual-machine mode, and each switch is reserved for each other. And outputting the substation data in a mode of mirroring the port of the station control layer switch through the operation and maintenance gateway machine.
The station control area switch configures VLAN to isolate different system service information flows from each other, and the specific configuration of VLAN is as follows: the VLANID of the remote service system is 10, the VLANID of the security service system is 20, and the VLANID of the WAMS service system is 30. Therefore, the corresponding VLANID numbers are set at the ports of the station-control layer switch and the ports connected with the service devices, and the control zone switch and the non-control zone switch set corresponding VLANID numbers according to different services, so that each service is ensured to be transmitted in the appointed VLAN. And each service of the electric power secondary system collects corresponding information of the system at a station end, and the information is sent to a control area switch by a station control layer switch through an operation and maintenance gateway machine in a mirror image mode. The corresponding I area service is uploaded to the real-time VPN of the dispatching data network by the control area switch through the longitudinal encryption device, the II area service is transmitted to the non-control area switch by the control area switch through the transverse firewall, and then the II area service is transmitted to the non-real-time VPN of the dispatching data network through the longitudinal firewall.
The foregoing is merely illustrative of the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present invention, and therefore, the scope of the present invention shall be defined by the scope of the appended claims.

Claims (8)

1. The topological structure of the power secondary system service-power dispatching data network is characterized in that the power secondary system service comprises a telecontrol service system, a relay protection information service system and a WAMS service system, wherein the telecontrol service system and the WAMS service system are arranged in a real-time control area of the dispatching data network, and the relay protection information service system is arranged in a non-real-time control area; the information collected by each service system through the substation is transmitted to the power dispatching data network, and then transmitted to the dispatching master station through the forwarding transmission of the power dispatching data network.
2. The topology of a power secondary system service-power dispatch data network of claim 1, wherein there are a control zone switch and a non-control zone switch between the substation and the dispatch data network, the two switches being isolated from each other by a transverse firewall and being in safe zone i and safe zone ii, respectively.
3. The topology of claim 2, wherein the control zone switch of the security zone i is powered off for the lower connected operation and maintenance network, and is connected to the upper connected longitudinal encryption device, which is in turn connected to the dispatch data network customer edge router CE.
4. The topology of a power secondary system traffic-power dispatch data network of claim 2, wherein the safe zone ii non-control zone switch is connected to the dispatch data network customer edge router CE through a longitudinal firewall.
5. A topology of a service-power dispatching data network of a power secondary system according to claim 3, wherein the operation and maintenance gateway machine is connected to a station control area switch, the station control area switch is connected to a secondary device in a station, and collects data of each service system in the station.
6. The topology of a power secondary system service-power dispatch data network of claim 5, wherein said secondary equipment in a station comprises a protection device, a measurement and control device, a phasor measurement device, and a metering device.
7. The topology of a power secondary system service-power dispatch data network of claim 2, wherein said station controlled switches are in a dual mode, each switch being standby.
8. The topology of a power secondary system traffic-power dispatch data network of claim 2, wherein said site switch configures VLANs to isolate different system traffic information flows from each other, the specific configuration of VLANs being: the VLANID of the remote service system is 10, the VLANID of the security service system is 20, and the VLANID of the WAMS service system is 30.
CN202211552090.6A 2022-12-05 2022-12-05 Topological structure of electric power secondary system-electric power dispatching data network Pending CN116016194A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103067366A (en) * 2012-12-21 2013-04-24 广东电网公司电力调度控制中心 Partition network architecture of electric power dispatching automation system
CN104333551A (en) * 2014-10-31 2015-02-04 上海电机学院 Active security defense system of power secondary system
CN205453295U (en) * 2015-12-22 2016-08-10 国家电网公司 Electric power dispatching automation secondary equipment operational monitoring alarm system
CN106850325A (en) * 2017-04-17 2017-06-13 国网安徽省电力公司芜湖供电公司 A kind of distributed power grid secondary device managing and control system and its management-control method
CN110443037A (en) * 2019-08-14 2019-11-12 广州思泰信息技术有限公司 A kind of power monitoring network security postures cognitive method based on modified AHP

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103067366A (en) * 2012-12-21 2013-04-24 广东电网公司电力调度控制中心 Partition network architecture of electric power dispatching automation system
CN104333551A (en) * 2014-10-31 2015-02-04 上海电机学院 Active security defense system of power secondary system
CN205453295U (en) * 2015-12-22 2016-08-10 国家电网公司 Electric power dispatching automation secondary equipment operational monitoring alarm system
CN106850325A (en) * 2017-04-17 2017-06-13 国网安徽省电力公司芜湖供电公司 A kind of distributed power grid secondary device managing and control system and its management-control method
CN110443037A (en) * 2019-08-14 2019-11-12 广州思泰信息技术有限公司 A kind of power monitoring network security postures cognitive method based on modified AHP

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
吴强;: "贵州电网调度数据网业务接入安全防护方案设计", 广东输电与变电技术, no. 03, 10 May 2010 (2010-05-10), pages 3 - 5 *

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