CN112542886A - Integrated control system for power grid - Google Patents
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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Abstract
The application relates to the technical field of power grid control, and particularly discloses a power grid integrated control system. The control system includes: the monitoring terminals comprise a power transmission monitoring terminal, a power transformation monitoring terminal and a power distribution monitoring terminal; each sub-center service cloud node is connected with a power transmission monitoring terminal, a power transformation monitoring terminal and a power distribution monitoring terminal through a front-end communication server, and the front-end communication server supports data acquisition and various protocol conversion; and the monitoring cloud platform is connected with the plurality of sub-center service cloud nodes and is used for analyzing and processing the power transmission monitoring information, the power transformation monitoring information and the power distribution monitoring information acquired by each sub-center service cloud node and providing services. Therefore, by the aid of the distributed cloud architecture combined with the cloud edge, monitoring data of all links of power transmission and transformation can be uniformly acquired and managed, a power transmission monitoring system, a power transformation monitoring system and a power transmission monitoring system do not need to be respectively built, information islanding phenomenon and waste of technical resources are avoided, and meanwhile later maintenance cost is reduced.
Description
Technical Field
The invention relates to the technical field of power grid control, in particular to a power grid integrated control system.
Background
Through development for many years, the power grid monitoring technology covers all links of power transmission, power transformation and power distribution, and lays a solid foundation for safe and stable operation of a power grid.
At present, the monitoring systems are separately built corresponding to each link of power transmission, power transformation and power distribution, data among the monitoring systems are not communicated, an information island is formed, the data sharing and the business collaboration of each link are not facilitated, the unified access and the unified management of the monitoring data of each link are not facilitated, the bottom layer technology of each system is a fusion networking technology, the technical resources are wasted due to repeated construction, and higher cost is brought to later maintenance.
Disclosure of Invention
Therefore, it is necessary to provide a power grid integrated control system for solving the problems of information islanding and resource waste caused by the independent construction of the existing transmission and transformation distribution system.
The utility model provides a power grid integration control system, power grid integration control system is used for carrying out the integration control to transmission of electricity link, transformer link and distribution link in the electric wire netting, power grid integration control system includes:
the monitoring terminals comprise a power transmission monitoring terminal, a power transformation monitoring terminal and a power distribution monitoring terminal;
each sub-center service cloud node is connected with the power transmission monitoring terminal, the power transformation monitoring terminal and the power distribution monitoring terminal through a front-end communication server, and the front-end communication server supports data acquisition and various protocol conversion;
and the monitoring cloud platform is connected with the plurality of sub-center service cloud nodes and is used for analyzing and processing the power transmission monitoring information, the power transformation monitoring information and the power distribution monitoring information acquired by each sub-center service cloud node and providing services.
In one embodiment, the power transmission monitoring terminal comprises a power transmission video monitoring terminal and a power transmission detection terminal, the power transmission video monitoring terminal is used for acquiring video information of a power transmission link, and the power transmission detection terminal is used for detecting an equipment state, a wire state and a tower state in the power transmission link;
the power transformation monitoring terminal comprises a power transformation video monitoring terminal and a power transformation detection terminal, the power transformation video monitoring terminal is used for acquiring video information of a power transformation link, and the power transformation detection terminal is used for detecting equipment states and environmental conditions in the power transformation link and the running condition of the inspection robot;
the power distribution monitoring terminal comprises a power distribution video monitoring terminal and a power distribution detection terminal, the power distribution video monitoring terminal is used for acquiring video information of a power distribution link, and the power distribution detection terminal is used for detecting equipment states and environmental conditions in the power distribution link.
In one embodiment, the monitoring terminal further comprises a control ball, a law enforcement instrument and an unmanned aerial vehicle.
In one embodiment, the front-end communication server supports a plurality of video monitoring protocols and an internet of things protocol, the plurality of video monitoring protocols comprise at least one of a GB28181 protocol, an IEC61850 protocol, an ONVIF protocol and a south Internet PG protocol, the internet of things protocol comprises at least one of a UDP protocol and a TCP protocol, and the front-end communication server also supports international video coding standards H264 and H265 and an encapsulation standard ISO/IEC 13818-1.
In one embodiment, the monitoring cloud platform is connected with a plurality of the decentralized service cloud nodes through a front-end communication server.
In one embodiment, the front-end communication server is connected with a protocol debugging device, and the protocol debugging device is used for expanding a communication protocol and a protocol debugging display interface for the front-end communication server.
In one embodiment, a polling mode or a call calling mode is adopted for a data transmission mode between the monitoring terminal and the sub-center service cloud node and a data transmission mode between the sub-center service cloud nodes.
In one embodiment, the sub-center service cloud node connects the power transmission monitoring terminal, the power transformation monitoring terminal and the power distribution monitoring terminal according to a network shortest path method.
In one embodiment, the monitoring cloud platform comprises a cloud computing resource pool, a cloud storage resource pool, a cloud network resource pool and a cloud management and service platform;
the cloud computing resource pool comprises computing resources, the cloud storage resource pool comprises storage resources, the cloud network resource pool comprises network resources, and the cloud management and service platform is respectively connected with the cloud computing resource pool, the cloud storage resource pool and the cloud network resource pool and is used for uniformly scheduling the computing resources, the storage resources and the network resources.
In one embodiment, the power grid integrated control system further comprises a power grid operation control system, a power grid operation management system, a power grid standing book system and a geographic information system, wherein the power grid operation control system, the power grid operation management system, the power grid standing book system and the geographic information system are used for being cooperatively linked with the monitoring cloud platform.
The power grid integrated control system is provided with a plurality of sub-center service cloud nodes and a monitoring cloud platform, each sub-center service cloud node is connected with a power transmission monitoring terminal, a power transformation monitoring terminal and a power distribution monitoring terminal through a front communication server, and the front communication server is compatible with conversion and data acquisition of various protocols, so that each sub-center service cloud node can acquire data monitored by the monitoring terminals of different communication protocols and is compatible with unified access of the data of different protocol types. The monitoring cloud platform is connected with each sub-center service cloud node, and is used for performing unified analysis and processing on the power transmission monitoring information, the power transformation monitoring information and the power distribution monitoring information acquired by the sub-center service cloud nodes, providing various services and realizing unified management on data of each link of power transmission, transformation and distribution. Therefore, by the aid of the distributed cloud architecture combined with the cloud edge, monitoring data of all links of power transmission and transformation can be uniformly acquired and managed, a power transmission monitoring system, a power transformation monitoring system and a power transmission monitoring system do not need to be respectively built, information islanding phenomenon and waste of technical resources are avoided, and meanwhile cost caused by later maintenance is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of an implementation manner of a power grid integrated control system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another implementation manner taking a sub-center service cloud node as an example in the power grid integrated control system provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram of another embodiment in a power grid integrated control system provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a monitoring cloud platform in the power grid integrated control system provided in the embodiment of the present application;
fig. 5 is a schematic structural diagram of another implementation of the power grid integrated control system provided in the embodiment of the present application.
Description of reference numerals:
10. a monitoring terminal; 101. a power transmission monitoring terminal; 1011. a power transmission video monitoring terminal; 1012. a power transmission detection terminal; 102. a power transformation monitoring terminal; 1021. a power transformation video monitoring terminal; 1022. a power transformation detection terminal; 103. a power distribution monitoring terminal; 1031. a power distribution video monitoring terminal; 1032. a power distribution detection terminal; 20. a front-end communication server; 30. a sub-center service cloud node; 40. monitoring the cloud platform; 401. a cloud computing resource pool; 402. a cloud storage resource pool; 403. a cloud network resource pool; 404. a cloud management and service platform; 50. a protocol debugging tool; 60. a grid operation control system; 70. a power grid operation management system; 80. a grid ledger system; 90. a geographic information system.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As described in the background art, in the existing power grid monitoring technology field, a power transmission monitoring system, a power transformation monitoring system and a power distribution monitoring system are often respectively established, the power transmission monitoring system integrates and fuses video terminals and online monitoring data to realize the functions of comprehensive monitoring, analysis decision, production command and the like of a power transmission line, the power transformation monitoring system realizes real-time monitoring and acquisition of video information and environmental information (including temperature, humidity, water immersion, door access, wind power and the like) in a transformer substation so as to realize real-time video monitoring of environment, equipment and operation in the substation, the power distribution monitoring system acquires information such as environment, security, electrical equipment state and the like of a power distribution room and video information such as a visible light camera, an infrared thermal imaging camera and the like, the power distribution system of an intelligent room analyzes various monitoring and alarm data to reflect field operation conditions in real time, and ensures safe operation of the power distribution room, the accidents caused by environment change, unauthorized activities, equipment state change and the like are prevented, and the reliable management and control of the remote operation and maintenance of the power distribution room are met.
Because the power transmission monitoring system, the power transformation monitoring system and the power distribution monitoring system are respectively and independently constructed and are not communicated with each other in each monitoring system, data of each link of power transmission, power transformation and power distribution are not communicated with each other, an information island is formed, and unified management and control cannot be realized. And because the bottom layer implementation technology of the monitoring system in each link is a fusion networking technology, the independent construction causes a large amount of waste of technical resources, the IT resource utilization rate is very low, and the later maintenance cost is greatly increased.
In order to solve the above problem, an embodiment of the present application provides a power grid integrated control system, which is used for integrally controlling a power transmission link, a power transformation link, and a power distribution link in a power grid.
Referring to fig. 1, the power grid integrated control system provided in this embodiment includes a monitoring terminal 10, a monitoring cloud platform 40, and a plurality of decentralized center service cloud nodes 30.
The monitoring terminal 10 includes a power transmission monitoring terminal 101, a power transformation monitoring terminal 102, and a power distribution monitoring terminal 103. The power transmission monitoring terminal 101 is used for monitoring various data in a power transmission link, and different types of power transmission monitoring terminals 101 are arranged corresponding to different monitoring data; the power transformation monitoring terminal 102 is used for monitoring various data in a power transformation link, and different types of power transformation monitoring terminals 102 are arranged corresponding to different monitoring data; the power distribution monitoring terminal 103 is used for monitoring various types of data in a power distribution link, and different types of power distribution monitoring terminals 103 are arranged corresponding to different monitoring data.
The plurality of power transmission monitoring terminals 101, the plurality of power transformation monitoring terminals 102 and the plurality of power distribution monitoring terminals 103 are distributed in different jurisdictions of the power grid, so that a plurality of sub-center service cloud nodes 30 are arranged, and each sub-center service cloud node 30 is correspondingly connected with the power transmission monitoring terminal 101, the power transformation monitoring terminal 102 and the power distribution monitoring terminal 103, so that data of the monitoring terminals 10 in different jurisdictions can be acquired.
The sub-center service cloud nodes 30 are edge nodes of the monitoring cloud platform 40, each sub-center service cloud node 30 is connected with the power transmission monitoring terminal 101, the power transformation monitoring terminal 102 and the power distribution monitoring terminal 103 through the front-end communication server 20, and the front-end communication server 20 supports data acquisition and various protocol conversion.
That is, each of the sub-center service cloud nodes 30 is connected to a front-end communication server 20, and the power transmission monitoring data obtained by the power transmission monitoring terminal 101, the power transformation monitoring data obtained by the power transformation monitoring terminal 102, and the power distribution monitoring data obtained by the power distribution monitoring terminal 103 are uploaded to the sub-center service cloud nodes 30 through the front-end communication server 20.
Because the communication protocols adopted by each monitoring terminal 10 are different, the front-end communication server 20 supporting data acquisition and various protocol conversions is convenient to realize uniform uploading of data of different communication protocols, and the compatibility of data transmission is improved.
Specifically, a gateway is further disposed between the front-end communication server 20 and each monitoring terminal 10, and each monitoring terminal 10 uploads monitoring data to the front-end communication server 20 through the gateway, and then the front-end communication server 20 uploads the monitoring data to the decentralized center service cloud node 30.
The monitoring cloud platform 40 is connected to the plurality of sub-center service cloud nodes 30, and is configured to analyze and process the power transmission monitoring information, the power transformation monitoring information, and the power distribution monitoring information acquired by each sub-center service cloud node 30, and provide services. Each sub-center service cloud node 30 is accessed to the monitoring cloud platform 40 as an edge node of a cloud, the monitoring cloud platform 40 acquires monitoring information of each link acquired by each sub-center service cloud node 30, data of each link of transmission and distribution are gathered and analyzed, and then each link of transmission and distribution is integrally controlled, and meanwhile redundant disaster recovery is formed with the sub-center service cloud nodes 30.
The power grid integrated control system is provided with a plurality of sub-center service cloud nodes 30 and a monitoring cloud platform 40, each sub-center service cloud node 30 is connected with a power transmission monitoring terminal 101, a power transformation monitoring terminal 102 and a power distribution monitoring terminal 103 through a front-end communication server 20, and the front-end communication server 20 is compatible with conversion and data acquisition of various protocols, so that each sub-center service cloud node 30 can acquire data monitored by monitoring terminals 10 of different communication protocols and is compatible with unified access of data of different protocol types. The monitoring cloud platform 40 is connected to each sub-center service cloud node 30, and is configured to perform unified analysis and processing on the power transmission monitoring information, the power transformation monitoring information and the power distribution monitoring information acquired by the sub-center service cloud node 30, provide various services, and implement unified data management on each link of power transmission, power transformation and power distribution. Therefore, by the aid of the distributed cloud architecture combined with the cloud edge, monitoring data of all links of power transmission and transformation can be uniformly acquired and managed, a power transmission monitoring system, a power transformation monitoring system and a power transmission monitoring system do not need to be respectively built, information islanding phenomenon and waste of technical resources are avoided, and meanwhile cost caused by later maintenance is effectively reduced.
In one embodiment, referring to fig. 2, the power transmission monitoring terminal 101 includes a power transmission video monitoring terminal 1011 and a power transmission detection terminal 1012, where the power transmission video monitoring terminal 1011 is configured to obtain video information of a power transmission link, and the power transmission detection terminal 1012 is configured to detect an equipment state, a conductor state, and a tower state in the power transmission link. The power transmission video monitoring terminals 1011 include various video terminals, such as a visible light camera, an infrared thermal imaging camera, and the like. The transmission detection terminal 1012 includes various detection circuits or sensors, and is used to detect the switching state of the transmission line, the active power, the reactive power, the voltage, the current, and the like of the transmission line.
The power transformation monitoring terminal 102 comprises a power transformation video monitoring terminal 1021 and a power transformation detection terminal 1022, wherein the power transformation video monitoring terminal 1021 is used for acquiring video information of a power transformation link, and the power transformation detection terminal 1022 is used for detecting equipment states and environmental conditions in the power transformation link and operation conditions of the inspection robot. Similarly, the power transformation video monitoring terminal 1021 includes various video terminals, such as a visible light camera, an infrared thermal imaging camera, and the like, and collects video information in the power transformation station. The power transformation detection terminal 1022 includes various detection circuits or sensors, and the like, and is used for detecting the operation state of each device in the substation, detecting environmental information such as temperature, humidity, water immersion, door access, wind power, and the like, and acquiring the operation state of the inspection robot and acquired data set in the power transformation link.
The power distribution monitoring terminal 103 comprises a power distribution video monitoring terminal 1031 and a power distribution detection terminal 1032, the power distribution video monitoring terminal 1031 is used for obtaining video information of a power distribution link, and the power distribution detection terminal 1032 is used for detecting equipment states and environmental conditions in the power distribution link. The power distribution video monitoring terminal 1031 includes various video terminals, such as a visible light camera, an infrared thermal imaging camera, and the like, and collects video information in the power distribution room. The power distribution detection terminal 1032 comprises various detection circuits, sensors and the like, and is used for detecting information such as environment, security, electrical equipment state and the like of a power distribution room.
In one embodiment, the monitoring terminal 10 further comprises a control ball, a law enforcement instrument, and an unmanned aerial vehicle. Namely, besides the conventional video monitoring terminal 10 and the conventional detection terminal, monitoring equipment such as a control ball, a law enforcement instrument and an unmanned aerial vehicle can be additionally arranged, and the monitoring terminals 10 form complementation, so that the monitoring comprehensiveness of the power transmission and transformation link is effectively improved.
In one embodiment, the front-end communication server 20 supports several video surveillance protocols and internet of things protocols, the several video surveillance protocols include at least one of GB28181 protocol, IEC61850 protocol, ONVIF protocol and south web PG protocol, the internet of things protocol includes at least one of UDP protocol and TCP protocol, the front-end communication server 20 further supports international video coding standards H264 and H265, and an encapsulation standard ISO/IEC 13818-1.
Of course, the front-end communication server 20 may also support other types of protocols, not to mention here.
In one embodiment, the monitoring cloud platform 40 is connected to a plurality of decentralized service cloud nodes 30 via the front-end communication server 20. That is, in the present application, in addition to deploying the front communication server 20 at the sub-center service cloud platform, the front communication server 20 may also be deployed at the monitoring cloud platform 40, that is, when the monitoring cloud platform 40 and the sub-center service cloud nodes 30 communicate with each other, processing such as protocol conversion may be performed by the front communication server 20, so as to ensure that the monitoring cloud platform 40 and each sub-center service cloud node 30 can normally communicate.
In one embodiment, referring to fig. 3, the front-end communication server 20 is connected to a protocol debugging device, and the protocol debugging device is configured to extend a communication protocol and a protocol debugging display interface for the front-end communication server 20.
In this embodiment, the data acquisition and transmission support expands various unknown communication protocols in a plug-in form, so that plug-and-play of protocol plug-ins is realized, and adding new protocols does not require modifying the original program architecture, and only a new protocol plug-in library needs to be developed. Based on this concept, in this embodiment, the front-end communication server 20 is connected to a protocol debugging device, and is configured to extend a communication protocol for the front-end communication server 20 and provide a unified monitoring tool or interface for protocol debugging, so that data such as a receiving and sending original code, a message analysis, various data lists, a channel state, and the like of a specified transmission channel can be conveniently monitored, and channel original code analysis, a display frame type, a frame content translation, and the like can be performed online or offline.
In one embodiment, a polling method or a call calling method is adopted for the data transmission method between the monitoring terminal 10 and the sub-center service cloud node 30 and the data transmission method between the sub-center service cloud nodes 30.
The polling mode refers to that a background actively and sequentially initiates data retrieval requests, and the calling mode refers to that a data retrieval request is manually initiated. That is, for data retrieval requests, both worker-initiated and background-initiated may be supported.
In one embodiment, the decentralized service cloud node 30 connects the power transmission monitoring terminal 101, the power transformation monitoring terminal 102 and the power distribution monitoring terminal 103 according to a network shortest path method. All the sub-center service cloud nodes 30 and the monitoring terminals 10 are located in the same large local area network, and the matching connection relationship between the sub-center service cloud nodes 30 and the monitoring terminals 10 is configured according to the shortest route in this embodiment. Thereby, the optimization of the network transmission effect can be realized.
In one embodiment, referring to fig. 4, the monitoring cloud platform 40 includes a cloud computing resource pool 401, a cloud storage resource pool 402, a cloud network resource pool 403, and a cloud management and service platform 404.
The cloud computing resource pool 401 includes computing resources (CPUs/GPUs, etc.), the cloud storage resource pool 402 includes storage resources, the cloud network resource pool 403 includes network resources, and the cloud management and service platform 404 is connected to the cloud computing resource pool 401, the cloud storage resource pool 402, and the cloud network resource pool 403, respectively, and is configured to perform unified scheduling on the computing resources, the storage resources, and the network resources.
The cloud computing platform realizes resource pooling of computing, storage and the like, and provides uniform cloud resource service for comprehensive services such as data sharing management, whole-network equipment state monitoring, data analysis, equipment management application and the like in a cloud service mode. The cloud storage platform adopts a storage scheme combining distributed deployment of the monitoring terminals 10 and two-stage (main station and sub-center) storage of important data, and the centralized storage needs to support fusion storage of various heterogeneous data such as pictures, texts, structured data, characteristic values and videos.
The cloud management and service platform provides the following services:
(1) and video sharing service (which is responsible for video resource aggregation in each link of transmission, transformation and distribution, daily video retrieval, video downloading and other applications).
(2) The cloud host service provides the virtual machine service which is applied for use for the end user, and the user can flexibly apply for and designate parameters such as a CPU, a memory, a disk, a network card, an operating system and the like according to the service requirement, so that the computing requirements of various applications are met.
(3) And the storage service is realized, and the cloud hard disk can be combined with the cloud host to provide a persistent block storage service. The cloud hard disk can be mounted to or unloaded from the cloud host under the same available partition independently of the life cycle of the cloud host. When applying for a cloud disk, a tenant may specify a specification and a storage SLA (specify a storage medium, such as SATA, SAS, SSD, etc., where the storage medium SLA is defined by a system administrator in a resource pool).
(4) And the network service virtualizes a logically isolated virtual network environment for the virtual service center on the physical data center, and an administrator can define the own network environment belonging to the virtual data center through a tenant interface.
(5) The backup service is provided for the disk of the cloud host by the cloud hard disk backup service, manual backup and timing backup are supported, and the original disk or the newly created disk can be restored through the backup copy.
(6) The disaster recovery service, the cloud host disaster recovery service provide on-line application, and the off-line distribution mode can provide remote disaster recovery protection for the virtual machines of the data center, and the main station platform can take over the sub-center service when the sub-center virtual machine goes down.
In one embodiment, referring to fig. 5, the grid-integrated control system further includes a grid operation control system 60, a grid operation management system 70, a grid standing book system 80, and a geographic information system 90, and the grid operation control system 60, the grid operation management system 70, the grid standing book system 80, and the geographic information system 90 are configured to cooperate with the monitoring cloud platform 40.
The power grid operation control system 60, the power grid operation management system 70, the power grid standing book system 80 and the geographic information system 90 are connected with the monitoring cloud platform 40 through a service bus, a Webservice interface and a file system interface.
The OCS (power grid operation control) system information includes power grid equipment information, equipment measurement information, and network topology (connection relationship between equipment), and the process of power grid model exchange is as follows: the complete network model (base model) is exchanged for the first time, followed by each subsequent exchange of the incremental model of the changes. And after the incremental model and the base model are combined, a complete network model at the current moment is formed, and an on-demand synchronization mode is adopted. The operation state information of the power grid comprises quasi real-time data such as the on-off state of the power transmission line, the accident total signal of the transformer substation, the active power, the reactive power, the voltage, the current of the power transmission line, the operation state of transformer substation equipment, load information and the like, and various real-time alarms and events (including trip information), and data transmission is carried out in a quasi real-time synchronous mode.
An OCS (power grid operation control) system is used for keeping the balance between the active power output moment and the reactive power output moment of a power system and a load so as to ensure the qualified power quality, and accidents and abnormal conditions which possibly occur at any time need to be processed in time so as not to enlarge the accidents and quickly recover the normal power supply; the operation parameters of various electrical equipment such as power generation and power transmission need to be monitored continuously so as to ensure safe and economic operation.
OMS (Power grid operation management System) system information, comprising: work tickets, overhaul tickets, operation risks and the like are transmitted in a quasi-real-time synchronous mode. Grid management includes planned blackout management and fault blackout management. The purpose is to strengthen the management of planned power failure, rapidly process fault power failure, shorten power failure time, improve power supply reliability, provide power supply recovery information for a fault repair response system, answer user consultation about power recovery in real time and improve the quality of service for users. In addition, the method also provides a standard and a guide for power grid equipment management, the standard content covers the management processes of enterprise equipment management policy and target, equipment management organizational structure, equipment management plan and equipment lifetime, and the processes are as follows: the method comprises the following steps of equipment demand planning, design, manufacture, model selection, purchase, installation and debugging, acceptance inspection, use, maintenance, point inspection, inspection and maintenance, modification, updating, scrapping, disposal and the like.
The power grid account system comprises the following equipment account information: the method comprises the steps of equipment name, equipment code, running number, name of the affiliated city bureau, code of the affiliated city bureau, name of a transformer substation, name of the affiliated interval unit, running state, double naming, name of a manufacturer, property of an asset, name of an asset unit, code of the asset unit, voltage grade, phase number, phase category, rated voltage, rated current, rated frequency, equipment model, factory number, product code number, manufacturing country, factory date and commissioning date, and transmission is carried out in a synchronous mode according to requirements.
GIS (geographic information system), including but not limited to: (1) administrative map information: boundary and surface layers of province/city/county; province/city/county/town/village government resident position map layer; data of contour maps of national road, provincial road, county road, expressway, railway, express way and mountain range; surface layer data of residential areas, open dry land, main rivers, deserts, lakes and the like; in addition, the map layer data of villages, towns, villages and the like, contour lines and the like are transmitted in a synchronous mode according to requirements. (2) Basic information of the power grid: line data (voltage class, name, jurisdiction, length, starting pole number, conductor type, ground wire type, number of loops); tower data (line name, tower number, property, manufacturer, factory number, factory year and month, commissioning date, operation state, voltage level, maintenance team, tower material, tower type, line/strain, call scale height, tower full height, longitude, latitude, altitude, topographic features, small-size side span, horizontal corner _ degree, horizontal corner _ direction, and wire arrangement mode); ground wire information, insulator information, line accessory equipment information, and substation data (name, voltage class, GPS coordinates); converter station data (name, voltage class, GPS coordinates), hydroelectric power plant, thermal power plant data (name, voltage class, power plant properties, GPS coordinates), are transmitted in a synchronous manner as needed.
The power grid integrated control system further comprises a smart operation and inspection unit and a smart safety supervision unit, wherein the smart operation and inspection unit and the smart safety supervision unit are respectively connected with the monitoring cloud platform 40 and are controlled by the monitoring cloud platform 40 to execute relevant operation and inspection and safety supervision. The intelligent operation and inspection comprises transformer substation intelligent operation and inspection, power distribution room intelligent operation and inspection and power transmission intelligent operation and inspection. The intelligent operation and inspection mainly adopts an intelligent means to realize the operation and maintenance work of related power grid professional equipment such as power transmission, power transformation and power distribution, and improves the efficiency and quality of operation and maintenance of the power grid equipment. The intelligent safety supervision is mainly used for realizing safety supervision of power grid production, and comprises personnel qualification supervision, field operation environment monitoring, construction operation standard monitoring and the like.
In summary, the power grid integrated control system provided in this embodiment adopts a cloud platform technology architecture combined with cloud edges, constructs a cloud computing resource pool 401, a cloud storage resource pool 402, a cloud network resource pool 403, and a cloud management and application platform, virtualizes and pools ICT resources, and solves the problems of ICT resource sharing and capacity expansion. The prepositive communication server 20 is specially responsible for data acquisition and protocol conversion, has strong protocol expansion capability and access expansion capability, and solves the problems of access and access capacity expansion of transmission and transformation distribution multi-protocol equipment. The method has the advantages of avoiding building multiple sets of main stations, eliminating information islands, realizing data sharing and service cooperation of transmission and distribution monitoring data, realizing unified access, unified management and real-time analysis of the monitoring data, and providing technical support for the operation management of the whole network power grid and equipment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a power grid integration control system, its characterized in that, power grid integration control system is used for carrying out the integration control to transmission of electricity link, transformer link and distribution link in the electric wire netting, power grid integration control system includes:
the monitoring terminals comprise a power transmission monitoring terminal, a power transformation monitoring terminal and a power distribution monitoring terminal;
each sub-center service cloud node is connected with the power transmission monitoring terminal, the power transformation monitoring terminal and the power distribution monitoring terminal through a front-end communication server, and the front-end communication server supports data acquisition and various protocol conversion;
and the monitoring cloud platform is connected with the plurality of sub-center service cloud nodes and is used for analyzing and processing the power transmission monitoring information, the power transformation monitoring information and the power distribution monitoring information acquired by each sub-center service cloud node and providing services.
2. The power grid integrated control system according to claim 1, wherein the power transmission monitoring terminals comprise power transmission video monitoring terminals and power transmission detection terminals, the power transmission video monitoring terminals are used for acquiring video information of a power transmission link, and the power transmission detection terminals are used for detecting equipment states, conductor states and tower states in the power transmission link;
the power transformation monitoring terminal comprises a power transformation video monitoring terminal and a power transformation detection terminal, the power transformation video monitoring terminal is used for acquiring video information of a power transformation link, and the power transformation detection terminal is used for detecting equipment states and environmental conditions in the power transformation link and the running condition of the inspection robot;
the power distribution monitoring terminal comprises a power distribution video monitoring terminal and a power distribution detection terminal, the power distribution video monitoring terminal is used for acquiring video information of a power distribution link, and the power distribution detection terminal is used for detecting equipment states and environmental conditions in the power distribution link.
3. The grid-integrated control system according to claim 2, wherein the monitoring terminal further comprises a control ball, a law enforcement instrument and an unmanned aerial vehicle.
4. The grid-integrated control system according to claim 1, wherein the front-end communication server supports several video monitoring protocols and internet of things protocols, several of the video monitoring protocols include at least one of GB28181 protocol, IEC61850 protocol, ONVIF protocol and south PG protocol, the internet of things protocol includes at least one of UDP protocol and TCP protocol, the front-end communication server further supports international video coding standards H264 and H265, and an encapsulation standard ISO/IEC 13818-1.
5. The power grid integrated control system according to claim 1, wherein the monitoring cloud platform is connected with a plurality of the decentralized service cloud nodes through a front-end communication server.
6. The grid-integrated control system according to claim 5, wherein the front-end communication server is connected with a protocol debugging device, and the protocol debugging device is used for expanding communication protocols and protocol debugging display interfaces for the front-end communication server.
7. The power grid integrated control system according to claim 1, wherein a polling manner or a call invoking manner is adopted for a data transmission manner between the monitoring terminal and the sub-center service cloud node and a data transmission manner between the sub-center service cloud nodes.
8. The grid integration control system according to claim 1, wherein the sub-center service cloud node connects the transmission monitoring terminal, the transformation monitoring terminal, and the distribution monitoring terminal according to a network shortest path method.
9. The grid-integrated control system according to claim 1, wherein the monitoring cloud platform comprises a cloud computing resource pool, a cloud storage resource pool, a cloud network resource pool, and a cloud management and service platform;
the cloud computing resource pool comprises computing resources, the cloud storage resource pool comprises storage resources, the cloud network resource pool comprises network resources, and the cloud management and service platform is respectively connected with the cloud computing resource pool, the cloud storage resource pool and the cloud network resource pool and is used for uniformly scheduling the computing resources, the storage resources and the network resources.
10. The power grid integrated control system according to claim 1, further comprising a power grid operation control system, a power grid operation management system, a power grid standing book system and a geographic information system, wherein the power grid operation control system, the power grid operation management system, the power grid standing book system and the geographic information system are cooperatively linked with the monitoring cloud platform.
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Application publication date: 20210323 |