CN110825057A - Method for improving stability and safety of plant-level information monitoring system of power plant - Google Patents
Method for improving stability and safety of plant-level information monitoring system of power plant Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25232—DCS, distributed control system, decentralised control unit
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2639—Energy management, use maximum of cheap power, keep peak load low
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a method for improving stability and safety of a plant-level information monitoring system (SIS) of a power plant, which is characterized in that two unidirectional isolation gatekeepers are arranged between an SIS safety II area and a SIS safety III area to realize dual-machine hot standby arrangement of unidirectional isolation gatekeeper equipment, a server virtualization platform is established in the safety III area, then equipment such as access exchange, servers, storage and the like in the existing SIS safety III area is directly removed, the two gatekeepers are directly connected with a server switch in the safety III area virtualization platform, and simultaneously all services in the original SIS safety III area are migrated to the virtualization platform.
Description
Technical Field
The invention relates to the technical field of power plant level information monitoring systems, in particular to a method for improving the stability and the safety of a power plant level information monitoring system.
Background
As a heavy asset enterprise, the safe, stable, environment-friendly and economic operation of equipment is always the focus of key attention of a power generation enterprise and is also an important index for performance assessment formulated by superior units. Therefore, the monitoring of the whole production operation process of a power generation enterprise is significant, production data is required to be stably and reliably transmitted to an upper-level unit while accurately reflecting the operation working condition of equipment or a system in the enterprise, decision basis is provided for management benchmarking, assessment and the like, and the problem that how to ensure the safety of the system and realize the accurate and reliable transmission of the data becomes more and more concerned by the power generation enterprise is solved. The feasible solution is to improve the stability and safety of the network and the system to the maximum extent and ensure the reliable transmission of data by using the transformation and optimization with the minimum cost on the basis of the existing network and system.
A plant-level information monitoring system (SIS) network topology can be divided into a production control zone and a management information zone (security III zone). The production control area is divided into a real-time control area (a safety I area) and a non-real-time control area (a safety II area) according to the real-time requirement, and unidirectional data communication is carried out between the safety areas through safety measures such as a firewall, an isolation gateway and the like.
The existing SIS network topological diagram is shown in an attached figure 1, a security I area realizes real-time acquisition of real-time data of a Distributed Control System (DCS) by deploying devices such as a firewall, an interface machine and a network gate, and the data is transmitted to a security II area in a one-way mode; the security II area stores real-time data by deploying core exchange, a real-time database server, a disk array and other equipment, and transmits the data to the security III area in a one-way mode, and the security II area is a data basis of SIS application; the security III area completes application release of the SIS through devices such as a database mirror image server, a relational data server, a calculation server and a web server, and data processing, display and remote transmission of the SIS are achieved.
The network schematic diagrams of two existing SIS access security III areas are shown in the attached drawings 2-1 and 2-2, the core network of the existing security III area is shown in the attached drawing 3, core exchange is formed by stacking 2 core switches, a single machine is configured with a dual power supply and a dual engine, the reliable interconnection is realized with a superior unit through a dual link, network access redundancy and high reliability are provided internally, due to the isolation of project construction, equipment of the traditional SIS security III area is often installed in a production area and is not in a security III area core network machine room in physical position, under the normal condition, the SIS security three areas and the network machine room are communicated through optical cables, and the traditional connection modes are two types: one is to connect SIS access switch to the security III-zone core switch directly through fiber link (single link or dual link) as shown in fig. 2-1; one is to connect SIS access switches to server switches in the core network via fiber links (single link or dual link) as shown in fig. 2-2; however, in any mode, the risk of network interruption caused by equipment or power failure exists; the unidirectional isolation network gate is connected with a single device and a single power supply, and the risk of data interruption caused by device or power supply failure exists.
In addition, the network server application mode generally adopted by the existing power plant is basically a mode exclusive to a single machine, that is, a certain application system exclusively owns one to several physical server hosts, if a new application system exists, the physical server host needed by the new application system needs to be purchased, and the traditional application mode has extremely low utilization rate of server resources and poor stability, safety and expandability of the system. Meanwhile, due to the increase of equipment, the number of fault points of the SIS is increased, the system maintenance becomes complicated, and large investment waste is caused to a power plant.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a method for improving stability and safety of a plant-level information monitoring system of a power plant, and in order to achieve the above object, the technical solution adopted by the present invention is as follows:
the method for improving the stability and the safety of the power plant level information monitoring system divides the network topology of the power plant level information monitoring system into a safety I area, a safety II area and a safety III area, wherein the safety I area is connected with the safety II area through a network gate, and the safety II area is connected with the safety III area through the network gate, and is characterized in that: two network gates are arranged between the safety area II and the safety area III to realize the dual-machine hot standby of the network gates, the dual-network gates are directly connected with the server switch in the safety area III, and the data in the safety area II is unidirectionally and directly transmitted to the server switch in the safety area III through the dual-network gates to be called by the network system in the safety area III.
Further, a virtualization platform is established in the security III area, and the virtualization platform is connected with the server switch.
Further, all service functions in a server, a switch and a storage system in the safety III area of the plant-level information monitoring system are migrated to the virtualization platform of the safety III area.
Further, a firewall is deployed before the server switch of the secure zone III virtualization platform.
Furthermore, a power supply module for core exchange of a safety II area is additionally arranged, and dual-power-supply dual-master control is met.
Further, the security II area core exchange comprises a main core exchange and a standby core exchange.
The invention has the beneficial effects that:
1. the one-way isolation network gate dual-machine hot standby in the safety III area is realized, and the stability and reliability of the SIS are improved;
2. a virtualization platform is deployed in the security III area, all services in the original SIS security III area are migrated to the virtualization platform in the security III area, and the virtualization platform is high in reliability, flexibility and safety, so that the stability and safety of the SIS are greatly improved;
3. the dual network gates between the SIS security II area and the SIS security III area are directly connected with the server switch in the virtualization platform, SIS access switching, servers, storage equipment and the like in the existing SIS security III area are eliminated, and SIS fault points are reduced;
4. and a power supply module for core exchange of the safety II area is additionally arranged, so that the power supply redundancy of a single core exchanger is ensured.
Drawings
Fig. 1 is a diagram of a conventional SIS network topology.
Fig. 2-1 is a schematic diagram of a conventional SIS access security area III network.
Fig. 2-2 are schematic diagrams of another conventional SIS access security III-zone network.
Fig. 3 is a schematic diagram of a conventional security III-zone core network topology.
FIG. 4 is a schematic diagram of a network topology of a security zone III virtualization platform of the present invention.
Fig. 5 is a network topology diagram after deployment of the SIS security III area dual gatekeeper and the virtualization platform of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.
Example (b):
a method for improving the stability and the safety of a plant-level information monitoring system is shown in attached figures 4-5, a double-network brake is arranged between a safety II area and a safety III area of an SIS, a one-way isolation network brake with a hot standby function is selected to realize double-machine hot standby of the network brake, and specifically, a forward isolation device (model: HR wall-85M-II) of Zhuhai hongrui or forward isolation devices with the same property and different brands can be selected to realize the double-machine hot standby of the network brake.
Further, a virtualization platform is established in the security III area, wherein the virtualization platform is formed by a plurality of (3 in the embodiment) high-performance servers, 2 optical fiber switches, 2 server access switches, 2 server firewalls, 1 set of VMware virtualization platform software and 1 set of storage systems through network stacking, link aggregation, mutual backup and other technologies.
Furthermore, the dual network gates are respectively connected with the server switch in the security III area virtualization platform, SIS access switching in the security III area network topology of the existing plant-level information monitoring system is omitted, 2 server switches are arranged, mutual backup connection is carried out by adopting a network stacking technology, two server firewall which are mutually backup are arranged in front of the server switch, and high reliability and high security of the virtualization platform are guaranteed.
Further, all service functions of the server, the switch and the storage system in the original SIS security III area are migrated to the virtualization platform in the security III area.
Further, safe I district links to each other with SIS core switch in the safe II district respectively through the gatekeeper in the SIS network, and safe II district includes SIS core switch and real-time database cluster, SIS core switch includes that SIS owner core switch and SIS are equipped with the core switch, all possesses the hot function of being equipped with of duplex, and SIS owner core switch and be equipped with the three-layer switch of core switch high performance, the two master control configurations of unit dual supply.
Furthermore, the plant-level information monitoring system improved by the method for improving the SIS stability and safety comprises a safety I area, a safety II area and a safety III area, wherein the safety I area is sequentially provided with a firewall, an interface machine and a gatekeeper device to realize the real-time acquisition and reception of DCS real-time data, the gatekeeper of the safety I area is connected with SIS core exchange (comprising main core exchange and standby core exchange) of the safety II area to unidirectionally transmit the data to the safety II area; the safety area II realizes the storage of real-time data by deploying a real-time database server and disk array equipment, the data is transmitted to a virtualization platform server switch of the safety area III in a one-way mode through a double network gate, a server firewall is deployed in front of the server switch to ensure the safety performance of a virtualization platform, the server switch interacts and is connected with the core of the safety area III through the server firewall, the data transmitted in by the safety area II through the network gate interacts with the application of the SIS safety area III transferred to the virtualization platform through the server switch, and an operator of a user of a power plant accessing to an access area calls and sends an instruction.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The method for improving the stability and the safety of the power plant level information monitoring system divides the network topology of the power plant level information monitoring system into a safety I area, a safety II area and a safety III area, wherein the safety I area is connected with the safety II area through a network gate, and the safety II area is connected with the safety III area through the network gate, and is characterized in that: two network gates are arranged between the safety area II and the safety area III to realize the dual-machine hot standby of the network gates, the dual-network gates are directly connected with the server switch in the safety area III, and the data in the safety area II is unidirectionally and directly transmitted to the server switch in the safety area III through the dual-network gates to be called by the network system in the safety area III.
2. The method for improving the stability and safety of a power plant level information monitoring system according to claim 1, wherein: and establishing a virtualization platform in the security III area, wherein the virtualization platform is connected with the server switch.
3. The method for improving the stability and safety of the plant-level information monitoring system of the power plant according to claim 2, wherein: and migrating all service functions in a server, a switch and a storage system in the safety III area of the plant-level information monitoring system to a virtualization platform in the safety III area.
4. The method for improving the stability and safety of the plant-level information monitoring system of the power plant according to claim 3, wherein: a firewall is deployed before a server switch of the secure zone III virtualization platform.
5. The method for improving the stability and safety of a power plant level information monitoring system according to claim 1, wherein: and a power supply module for core exchange of a safety II area is additionally arranged, so that dual-power-supply dual-master control is met.
6. The method for improving the stability and safety of a power plant level information monitoring system according to claim 5, wherein: the secure II area core switching comprises main core switching and standby core switching.
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Cited By (1)
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| CN113535503A (en) * | 2020-04-17 | 2021-10-22 | 艾默生过程管理电力水利解决方案公司 | Factory-level monitoring information system, monitoring method thereof and computer-readable storage medium |
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