CN117118062A - Secondary system data fusion monitoring method and system for power dispatching automation - Google Patents
Secondary system data fusion monitoring method and system for power dispatching automation Download PDFInfo
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- H—ELECTRICITY
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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
- H02J13/00002—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 monitoring
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Abstract
The invention discloses a secondary system data fusion monitoring method and system for power dispatching automation, wherein the method comprises the steps of carrying out unified standardized modeling on each secondary professional system master station device according to a power dispatching general object structure; automatically extracting synchronous secondary professional system equipment and resource data and integrating a primary power grid model of a dispatching automation system and the data of a secondary system; performing fusion analysis based on the secondary system data integration; based on the graphic description language of the power system and the lightweight platform man-machine interaction architecture, the integrated display of the networking structure of the dispatching automation operation system, which is oriented to the topological relation of the dispatching secondary equipment, is constructed, and the panoramic monitoring of the multi-service scene is carried out based on the layered three-dimensional display and the cooperative linkage mechanism. The invention can promote the comprehensive perception capability of the dispatching master station system and the management efficiency of the secondary equipment, and realize the integration, fusion analysis and panoramic monitoring of the secondary equipment and the resource data.
Description
Technical Field
The invention relates to a power dispatching automation technology, in particular to a secondary system data fusion monitoring method and system for power dispatching automation.
Background
Along with the rapid development of power dispatching communication networks and computer information technologies, the establishment of a safety protection system of a power secondary system and the gradual pushing implementation of an intelligent substation, the dependence degree of power grid regulation and control operation and management on secondary equipment and systems (relay protection monitoring, security monitoring, automatic data network management, movable ring monitoring and dispatching communication) is continuously improved, and the abnormal secondary system equipment is likely to cause the chain reaction of primary equipment. On the other hand, the scale of the secondary equipment and the system is also continuously enlarged along with the scale of the power grid, the service interconnection form is more and more complex, and different secondary equipment are mutually influenced, so that a plurality of challenges are brought to the stable operation of the power grid. How to strengthen the supervision of the electric power secondary system equipment from the electric network regulation master station, discover the potential risk of equipment operation in time, reduce the failure rate of the service system, promote the safe and high-quality operation of the large electric network and solve the problems of electric network regulation operation and management.
The centralized operation monitoring system of the common electric power secondary system mainly constructs a centralized operation monitoring master station which is connected with a county and city dispatching center through a dispatching data network, various sensors are used for collecting various electric power equipment operation states through RS485/232 serial port communication, parameter data including environment humidity temperature, precise air conditioner water immersion and the like, and distribution measurement voltage, current and power information are used for realizing data collection and analysis through an interactive remote sharing database. The integration degree of the secondary system centralized operation monitoring main station and the power grid dispatching automation system is low, and the chimney type system effect is easy to cause, so that dispatching automation management and operation maintenance on-duty personnel are not friendly enough.
Disclosure of Invention
The invention aims to: the invention aims to provide a data fusion monitoring method and system for a secondary system of power dispatching automation, which can improve the fusion degree of the secondary equipment and a power grid dispatching automation system, improve the comprehensive perception capability and the secondary equipment management efficiency of a dispatching master station system, and realize the integration, fusion analysis and panoramic monitoring of secondary equipment and resource data.
The technical scheme is as follows: the invention discloses a secondary system data fusion monitoring method for power dispatching automation, which comprises the following steps:
(1) Carrying out unified standardized modeling on all secondary professional system master station equipment according to a power dispatching general object structure;
(2) Automatically extracting synchronous secondary professional system equipment and resource data, integrating the data, and integrating and fusing a primary power grid model of the dispatching automation system and the data of the secondary system;
(3) The method comprises the steps of carrying out fusion analysis based on integrated data of a secondary system, firstly constructing a network communication topological relation and service release, carrying out network channel fault warning and influence range analysis based on the network communication topological relation, analyzing the reliability of the N-1/N-2 faults of the secondary equipment and carrying out risk early warning;
(4) Based on the graphic description language of the power system and the lightweight platform man-machine interaction architecture, the integrated display of the networking structure of the dispatching automation operation system, which is oriented to the topological relation of the dispatching secondary equipment, is constructed, and the panoramic monitoring of the multi-service scene is carried out based on the layered three-dimensional display and the cooperative linkage mechanism.
Preferably, step (2) comprises:
(2.1) establishing a secondary system data integration task;
(2.2) loading corresponding communication adapters according to different secondary system communication scenes;
(2.3) extracting an original data stream of the secondary professional system for static verification treatment; carrying out fuzzy matching on the equipment information of the secondary professional system and the plant station of the primary system, correlating complete power grid system plant station models and longitude and latitude information, and carrying out data integration fusion on the primary power grid models and the secondary system of the dispatching automation system;
and (2.4) storing the processed cooked data and sending synchronous result messages.
Preferably, the primary data stream in step (2.3) includes secondary equipment and resource model data, metrology data and operational alarm data.
Preferably, performing static verification processing on the original data stream includes: for the secondary equipment and the resource model data, performing object category model cutting, parameter threshold checking, attribute field mapping consistency and association completeness checking by adopting a preset expert rule base; performing data type conversion on the measurement data; and carrying out alarm time stamping and alarm information description hierarchical drilling on the operation alarm data.
Preferably, the integrating the data of the primary power grid model and the secondary system of the dispatching automation system in the step (2.3) includes: and carrying out fuzzy matching by utilizing a Jaro-Winkler character string similarity algorithm according to the secondary equipment information and the primary system plant station Chinese name, acquiring plant station attribute parameters by utilizing the scheduling automatic primary power grid plant station and secondary system equipment association information, automatically filling the longitude and latitude data of a secondary system model, respectively converting the initial equipment, the end equipment, the initial port and the end port of the secondary system model into the internal ID of the primary power grid model, simultaneously maintaining the external ID and the corresponding internal number mapping of the power grid system, and finally calling a platform model operation service to realize the data fusion of the primary power grid model and the secondary system model.
Preferably, constructing a network communication topological relation and service release in the step (3), and performing network channel fault alarm and influence range analysis based on the network communication topological relation comprises the following steps: the method comprises the steps of performing fusion analysis on a two-power-grid equipment model, an operation condition, an operation index and a topological relation, constructing a global network communication topological relation, and distributing the global network communication topological relation into a topological inquiry service; based on the global network communication topological relation and the query service, comprehensively classifying the bearing relation between the secondary system equipment and the power grid dispatching automation service communication node, and carrying out network channel fault alarming and influence range analysis.
Preferably, the step (3) further includes performing abnormal rapid positioning and auxiliary decision making based on the network channel fault alarm and the influence range analysis, wherein the abnormal rapid positioning and auxiliary decision making includes:
(a) Monitoring and collecting abnormal alarms of a power grid dispatching automation real-time monitoring service data acquisition link, and filtering the confirmed abnormality according to a preset rule;
(b) Inquiring the real-time topological connection relation between the communication first node and the communication last node at two sides and the operation working conditions of each communication node and each communication channel in the multi-static route, and accurately positioning the fault links causing the abnormality of the data link;
(c) The decision-making aid is made according to a pre-programmed treatment protocol.
Preferably, the reliability analysis and risk early warning after the failure of the secondary equipment N-1/N-2 in the step (3) comprise: firstly, carrying out reliability analysis on the condition of the N-1 fault of communication equipment according to means such as single data exchange service same-path analysis, overhaul mode N-1 verification, network communication link high-load point analysis and the like, and timely finding out weak links of network communication; secondly, reliability analysis is carried out aiming at the situation of combined faults of the communication equipment and the automatic communication equipment N-2, and the influence of cross faults of different types of equipment on service under the configuration situation of a multi-path annular network and a redundant communication node is considered; and finally comprehensively analyzing the influence degree and range of the N-1/N-2 faults on the real-time monitoring service, and forming relevant prompt alarms and evaluation indexes for pushing.
Preferably, step (4) comprises:
(4.1) drawing a layered display diagram of the multi-service scene of the master station, the dispatching data network, the communication network and the plant station on the same picture based on a CIM/G graphic editor;
(4.2) inquiring additional information of name label of the synchronous network equipment, real-time working condition of the secondary equipment and topological relation of the secondary power grid equipment, and realizing instant construction and display of a secondary system network topological graph by driving a state machine model so as to automatically map scene pictures and automatically map secondary equipment topology;
(4.3) designing a special graphic element for multi-scene integrated display, carrying out multi-scene different-index same-position time-sharing display, and supporting to view typical indexes, wherein the typical indexes comprise operation conditions, key operation indexes and important maintenance arrangement in a secondary system;
and (4.4) carrying out multi-window same-screen display of a global picture, a fault point picture and an influence range picture through multi-window synchronous loading, refreshing and displaying the multi-window picture after the comprehensive alarm handling operation through cross-window message interaction, and carrying out multi-dimensional display of the comprehensive alarm information based on a visual platform configuration plug-in dynamic loading technology.
The invention relates to a secondary system data fusion monitoring system for power dispatching automation, which comprises
The model building module is used for carrying out unified standardized modeling on the primary station equipment of each secondary professional system according to the power dispatching general object structure;
the data integration module is used for automatically extracting the synchronous secondary professional system equipment and resource data and carrying out data integration of a primary power grid model of the dispatching automation system and the secondary system;
the fusion analysis module is used for carrying out fusion analysis according to the data integration of the secondary system, firstly constructing a network communication topological relation and service release, and carrying out network channel fault alarm and influence range analysis, reliability analysis and risk early warning after the secondary equipment N-1/N-2 is in fault based on the network communication topological relation;
the panoramic display module is used for providing integrated display of the business scene of the networking structure of the scheduling secondary equipment resource topological relation and the scheduling automation running system, and panoramic monitoring is carried out by utilizing a multi-business scene layered three-dimensional display and single-business scene full-screen display cooperative linkage mechanism.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages: modeling a secondary system equipment resource object through a power dispatching universal data object structuring standard, and providing a foundation for the cooperation of a secondary system power grid regulation and control integrated service; the fusion sharing of the secondary equipment and the resource data is realized through the integrated association modeling of secondary equipment such as the automation of a main station, a network communication device, a protection device and the like and the comprehensive acquisition of operation information; providing cross-specialized fault comprehensive analysis, panoramic display and warning, enriching power dispatching automation technology support system models and data resources, and expanding the regulation and control real-time monitoring range; the system has the advantages that the system supports power grid dispatching operation and real-time monitoring, fault warning and risk early warning of the secondary system, improves the fusion degree of secondary equipment and a power grid dispatching automation system, improves the comprehensive perception capability of a main station system and the management efficiency of the secondary equipment, and further ensures the safe and stable operation of a large power grid.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a flow chart of the secondary system data integration of the present invention;
FIG. 3 is a schematic diagram of the data fusion analysis function of the secondary system of the present invention;
fig. 4 is a schematic diagram of a data panorama showing function of the secondary system of the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
The invention discloses a secondary system data fusion monitoring method for power dispatching automation, which comprises the following steps:
(1) And carrying out unified standardized modeling abstract design and global management on the primary station equipment models of the secondary professional systems according to the power dispatching general object structure.
The power dispatching general object structuring is to abstract and design and globally manage complete contents such as power primary equipment, power secondary equipment, power equipment containers, organizations closely related to power dispatching, surrounding environments and the like which are directly used by power dispatching. The secondary professional system comprises a relay protection monitoring information system, a stability control monitoring system, an automatic data network management system, a power environment monitoring system, a dispatching data network communication management system and the like. The relay protection monitoring information system comprises a transformer group protection device, a line protection device, a bus protection device, a fault wave recording device and the like; the stability control monitoring system comprises a safety and stability control device, a step-out disconnection device, a spare power automatic switching device, an automatic reclosing device and the like; the automatic data network management system comprises a metering system, a remote control system, an automatic voltage control system, an automatic power generation control system, a phasor measurement device, a secondary safety protection device and the like; the dispatching data network communication management system comprises optical transmission equipment, dispatching data network equipment, program control exchange equipment, a communication power supply and the like.
(2) And automatically extracting the synchronous secondary professional system equipment and resource data and carrying out data integration of a primary power grid model of the dispatching automation system and the secondary system.
The automatic extraction of the synchronous secondary professional system equipment model and the data resources refers to flexible configuration collocation of a reusable data processing plug-in and a multi-protocol communication adapting plug-in, extraction of various secondary professional application data sources such as relay protection equipment operation states, security device management, network equipment, security equipment working conditions, main station system software and hardware equipment working conditions, machine room operation environments and auxiliary facility working conditions, light transmission of a factory station and a dispatching mechanism, optical path subsystem network element equipment and the like, and integration of equipment resource model data, measurement data and alarm data aggregation and data integration of a primary power grid model of a dispatching automation system and secondary system is realized. As shown in fig. 2, the method specifically comprises the following steps:
and (2.1) establishing a secondary system data integration task, and configuring secondary professional system data convergence parameters including source end system application description, network partition, data flow and communication protocol adapter.
And (2.2) configuring and collecting the multi-protocol communication adapter, and loading the corresponding communication adapter according to different secondary system communication scenes. The communication adapter comprises an HTTPS service adapter, a CIME file adapter, a Kafka message adapter, a power protocol acquisition adapter, an SNMP acquisition adapter, a SYSLOG log acquisition adapter and the like.
(2.3) setting corresponding protocol parameters according to the communication protocol adapter selected in the step two. The HTTPS service adapter sets a secret identity authentication parameter for basic use, the CIME file adapter sets the extracted CIME class name and attribute, the KAFKA message adapter sets the message middleware proxy address and theme, the power protocol acquisition adapter sets a channel and protocol type, the SNMP acquisition adapter sets a network management query parameter, and the SYSLOG log acquisition adapter sets a log server port and a log path.
And (2.4) periodically acquiring equipment resource model data from each secondary professional system data source, carrying out fuzzy matching by using a Jaro-Winkler character string similarity algorithm according to secondary equipment information and the Chinese name of the primary system plant, correlating complete power grid system plant models and longitude and latitude parameter information, respectively converting the initial equipment, the end equipment, the initial port and the end port of the secondary equipment model into internal IDs of the primary power grid models, simultaneously maintaining external IDs and corresponding internal number mapping of the power grid systems, and finally calling platform model operation service to realize data fusion storage of the secondary power grid equipment models. Extracting transformer station names contained in the names of the secondary information protection system protection device equipment and the fault recorder equipment through regular character matching, and establishing an association relationship with fuzzy matching of the dispatching automation primary power grid station names by using a Jaro-Winkler similarity algorithm; establishing an association relation with dispatching automation primary power grid stations by directly utilizing a character string similarity algorithm through the site names of network equipment of an automation data network management system, the network account IP of a network security system and the names of dynamic ring monitoring space objects; and acquiring the longitude and latitude data of the secondary system model by using the associated information of the dispatching automation primary power grid station and the secondary system equipment to automatically fill the station attribute parameters, so as to realize the data fusion of the primary power grid model and the secondary system.
And (2.5) subscribing to acquire real-time measurement data, judging the difference information of the real-time measurement data according to the unique identification of the secondary system equipment to which the measurement data belongs and comparing with model data in a database so as to perform updating operation, and pushing an operation result to synchronize the real-time database to realize the updating of the measurement data.
And (2.6) periodically acquiring operation alarm data, and calling a platform alarm service to store the operation alarm data according to the matching of the unique identifier of the secondary system equipment to which the alarm data belongs and the model data in the database.
The secondary system data integration can select a task scheduling execution mode according to the characteristics of secondary professional system equipment and resources, and each secondary professional system data integration task can be scheduled and executed in a timing mode through a designated period or a triggering mode.
(3) The integration analysis is carried out based on the integrated data of the secondary system, firstly, the network communication topological relation and the service release are constructed, then the analysis of the network channel fault alarm and the influence range is carried out based on the network communication topological relation, and the analysis of the reliability and the risk early warning of the secondary equipment 09N-1/N-2 fault are carried out, as shown in figure 3.
And (3.1) based on the basic data after the data integration and the integrated fusion processing, the secondary system data fusion analyzes a two-power-grid equipment model, an operation condition, an operation index and a topological relation, constructs a global network communication topological relation, provides global analysis for abnormal power grid operation monitoring links and global operation conditions, issues application query services, comprehensively classifies the bearing relation between secondary system equipment and power grid dispatching automation service communication nodes based on the global network communication topological relation and the query services, and realizes network channel fault warning and influence range analysis. The method comprises the following specific steps:
(a) Configuring a large-width table of a station mapping-based security device, a network communication device, a dynamic ring monitoring object and a dispatching automation device, and establishing a physical connection topological relation of a global secondary power grid model;
(b) Setting rules or manually setting a threshold range, and calculating the statistical result of the operation working conditions of the equipment in the topological range in real time;
(c) Periodically inquiring to obtain the description of the power grid dispatching automation communication channel and the secondary system alarm information, including inquiring the link working condition of the station channel, the node working condition alarm data of the routing communication equipment and the like;
(d) Carrying out influence range analysis of abnormal working conditions of the secondary equipment on dispatching automation monitoring application by utilizing the static connection topology of the primary power grid equipment and the secondary system equipment model in the step 1 and comprehensively classifying the bearing relation among the communication channel, the communication node and the data exchange service of the automation system;
(e) And carrying out standard formatting export on the secondary equipment working condition abnormal influence range result, and providing support analysis result query service release.
(3.2) performing quick positioning and auxiliary decision making based on network channel fault warning and influence range analysis, wherein the quick positioning and auxiliary decision making comprises:
s1, monitoring and collecting abnormal alarms of a power grid dispatching automation real-time monitoring service data acquisition link, and filtering some confirmed abnormalities according to rules or manually set conditions;
s2, inquiring a real-time topological connection relation between the first node and the last node of the two sides of communication and the operation working conditions of each communication node and each communication channel in the multi-static route, and accurately positioning a fault link causing data link abnormality;
and S3, prompting an auxiliary dispatcher to timely adjust the power grid operation mode or make adjustment preparation according to a pre-programmed treatment plan, and informing a secondary operator to timely contact the related professional operation and maintenance personnel for treatment.
(3.3) analyzing the reliability of the secondary equipment N-1/N-2 fault and early warning risk, comprising the following steps: firstly, carrying out reliability analysis on the condition of the N-1 fault of communication equipment according to means such as single data exchange service same-path analysis, overhaul mode N-1 verification, network communication link high-load point analysis and the like, and timely finding out weak links of network communication; secondly, reliability analysis is carried out aiming at the situation of combined faults of communication equipment and automatic communication equipment N-2, and the influence of cross faults of different types of equipment on service under the configuration situation of a multi-path annular network and redundant communication nodes is fully considered; and finally comprehensively analyzing the influence degree and range of the N-1/N-2 faults on the real-time monitoring service, and forming relevant prompt alarms and evaluation indexes to be pushed to a dispatcher and a secondary operator on duty.
(4) Based on CIM/G power system graphic description language and lightweight platform man-machine interaction architecture, providing integrated display of business scenes oriented to scheduling secondary equipment resource topological relation, scheduling automation running system networking structure and the like, and performing panoramic monitoring of multiple business scenes by utilizing layered three-dimensional display and cooperative linkage mechanism, as shown in figure 4, comprising the following steps:
(4.1) drawing a layered display diagram of the multi-service scene of the master station, the dispatching data network, the communication network and the plant station on the same picture based on a CIM/G graphic editor;
(4.2) establishing a graph object model based on a secondary power grid equipment topological relation, calculating physical coordinates of graph nodes by using an attractive force and repulsive force algorithm, constructing a connection relation, and dynamically matching specific primitives based on a configuration strategy according to physical entities represented by the node objects; inquiring additional information such as name labels of synchronous network equipment, real-time working conditions of secondary equipment and topological relation of secondary power grid equipment, and realizing instant construction and display of a secondary system network topological graph by driving a state machine model, thereby supporting automatic mapping of scene pictures and automatic mapping of secondary equipment topology;
(4.3) designing a special graphic element for multi-scene integrated display, carrying out multi-scene different index position time-sharing display, and supporting to simultaneously check various typical indexes such as operation working conditions, key operation indexes, important maintenance arrangement and the like in a secondary system;
and (4.4) carrying out multi-window same-screen display of a global picture, a fault point picture and an influence range picture through multi-window synchronous loading, refreshing and displaying the multi-window picture after the comprehensive alarm handling operation through cross-window message interaction, and carrying out multi-dimensional display of the comprehensive alarm information based on a visual platform configuration plug-in dynamic loading technology.
As shown in fig. 1, a secondary system data fusion monitoring system for power dispatching automation according to the present invention includes:
the model building module is used for carrying out unified standardized modeling on the primary station equipment of each secondary professional system according to the power dispatching general object structure;
the data integration module is used for automatically extracting the synchronous secondary professional system equipment and resource data and carrying out data integration of a primary power grid model of the dispatching automation system and the secondary system;
the fusion analysis module is used for carrying out fusion analysis according to the data integration of the secondary system, firstly constructing a network communication topological relation and service release, and carrying out network channel fault alarm and influence range analysis, reliability analysis and risk early warning after the secondary equipment N-1/N-2 is in fault based on the network communication topological relation;
the panoramic display module is used for providing integrated display of the business scene of the networking structure of the scheduling secondary equipment resource topological relation and the scheduling automation running system, and panoramic monitoring is carried out by utilizing a multi-business scene layered three-dimensional display and single-business scene full-screen display cooperative linkage mechanism.
Claims (10)
1. The secondary system data fusion monitoring method for power dispatching automation is characterized by comprising the following steps of:
(1) Carrying out unified standardized modeling on all secondary professional system master station equipment according to a power dispatching general object structure;
(2) Automatically extracting synchronous secondary professional system equipment and resource data, integrating the data, and integrating and fusing a primary power grid model of the dispatching automation system and the data of the secondary system;
(3) The method comprises the steps of carrying out fusion analysis based on integrated data of a secondary system, firstly constructing a network communication topological relation and service release, carrying out network channel fault warning and influence range analysis based on the network communication topological relation, analyzing the reliability of the N-1/N-2 faults of the secondary equipment and carrying out risk early warning;
(4) Based on the graphic description language of the power system and the lightweight platform man-machine interaction architecture, the integrated display of the networking structure of the dispatching automation operation system, which is oriented to the topological relation of the dispatching secondary equipment, is constructed, and the panoramic monitoring of the multi-service scene is carried out based on the layered three-dimensional display and the cooperative linkage mechanism.
2. The secondary system data fusion monitoring method for power dispatch automation of claim 1, wherein step (2) comprises:
(2.1) establishing a secondary system data integration task;
(2.2) loading corresponding communication adapters according to different secondary system communication scenes;
(2.3) extracting an original data stream of the secondary professional system for static verification treatment; carrying out fuzzy matching on the equipment information of the secondary professional system and the plant station of the primary system, correlating complete power grid system plant station models and longitude and latitude information, and carrying out data integration fusion on the primary power grid models and the secondary system of the dispatching automation system;
and (2.4) storing the processed cooked data and sending synchronous result messages.
3. The secondary system data fusion monitoring method for power dispatch automation of claim 2, wherein the primary data stream in step (2.3) includes secondary equipment and resource model data, metrology data and operational alert data.
4. The secondary system data fusion monitoring method for power dispatch automation of claim 3, wherein performing static verification processing on the raw data stream comprises: for the secondary equipment and the resource model data, performing object category model cutting, parameter threshold checking, attribute field mapping consistency and association completeness checking by adopting a preset expert rule base; performing data-like conversion on the measurement data; and carrying out alarm time stamping and alarm information description hierarchical drilling on the operation alarm data.
5. The method for data fusion monitoring of secondary systems for power dispatching automation of claim 4, wherein the step (2.3) of integrating the dispatching automation system primary grid model with the secondary system data comprises: and carrying out fuzzy matching by utilizing a Jaro-Winkler character string similarity algorithm according to the secondary equipment information and the primary system plant station Chinese name, acquiring plant station attribute parameters by utilizing the scheduling automatic primary power grid plant station and secondary system equipment association information, automatically filling the longitude and latitude data of a secondary system model, respectively converting the initial equipment, the end equipment, the initial port and the end port of the secondary system model into the internal ID of the primary power grid model, simultaneously maintaining the external ID and the corresponding internal number mapping of the power grid system, and finally calling a platform model operation service to realize the data fusion of the primary power grid model and the secondary system model.
6. The method for data fusion monitoring of a secondary system for power dispatching automation according to claim 5, wherein constructing a network communication topological relation and service release in step (3), and analyzing a network channel fault alarm and an influence range based on the network communication topological relation comprises: the method comprises the steps of performing fusion analysis on a two-power-grid equipment model, an operation condition, an operation index and a topological relation, constructing a global network communication topological relation, and distributing the global network communication topological relation into a topological inquiry service; based on the global network communication topological relation and the query service, comprehensively classifying the bearing relation between the secondary system equipment and the power grid dispatching automation service communication node, and carrying out network channel fault alarming and influence range analysis.
7. The method of claim 6, wherein step (3) further comprises performing abnormal fast localization and auxiliary decision making based on network channel fault alert and scope of influence analysis, the abnormal fast localization and auxiliary decision making comprising:
(a) Monitoring and collecting abnormal alarms of a power grid dispatching automation real-time monitoring service data acquisition link, and filtering the confirmed abnormality according to a preset rule;
(b) Inquiring the real-time topological connection relation between the communication first node and the communication last node at two sides and the operation working conditions of each communication node and each communication channel in the multi-static route, and accurately positioning the fault links causing the abnormality of the data link;
(c) The decision-making aid is made according to a pre-programmed treatment protocol.
8. The method for monitoring data fusion of a secondary system for power dispatching automation according to claim 7, wherein the performing reliability analysis and risk early warning after the failure of the secondary device N-1/N-2 in the step (3) comprises: firstly, reliability analysis is carried out on the condition of the N-1 fault of the communication equipment, and weak links of network communication are found in time; secondly, reliability analysis is carried out aiming at the situation of combined faults of the communication equipment and the automatic communication equipment N-2, and the influence of cross faults of different types of equipment on service under the configuration situation of a multi-path annular network and a redundant communication node is considered; and finally comprehensively analyzing the influence degree and range of the N-1/N-2 faults on the real-time monitoring service, and forming relevant prompt alarms and evaluation indexes for pushing.
9. The secondary system data fusion monitoring method for power dispatch automation of claim 8, wherein step (4) comprises:
(4.1) drawing a layered display diagram of the multi-service scene of the master station, the dispatching data network, the communication network and the plant station on the same picture based on a CIM/G graphic editor;
(4.2) inquiring additional information of name label of the synchronous network equipment, real-time working condition of the secondary equipment and topological relation of the secondary power grid equipment, and realizing instant construction and display of a secondary system network topological graph by driving a state machine model so as to automatically map scene pictures and automatically map secondary equipment topology;
(4.3) designing a special graphic element for multi-scene integrated display, carrying out multi-scene different-index same-position time-sharing display, and supporting to view typical indexes, wherein the typical indexes comprise operation conditions, key operation indexes and important maintenance arrangement in a secondary system;
and (4.4) carrying out multi-window same-screen display of a global picture, a fault point picture and an influence range picture through multi-window synchronous loading, refreshing and displaying the multi-window picture after the comprehensive alarm handling operation through cross-window message interaction, and carrying out multi-dimensional display of the comprehensive alarm information based on a visual platform configuration plug-in dynamic loading technology.
10. A secondary system data fusion monitoring system for power dispatching automation, comprising
The model building module is used for carrying out unified standardized modeling on the primary station equipment of each secondary professional system according to the power dispatching general object structure;
the data integration module is used for automatically extracting the synchronous secondary professional system equipment and resource data and carrying out data integration of a primary power grid model of the dispatching automation system and the secondary system;
the fusion analysis module is used for carrying out fusion analysis according to the data integration of the secondary system, firstly constructing a network communication topological relation and service release, and carrying out network channel fault alarm and influence range analysis, reliability analysis and risk early warning after the secondary equipment N-1/N-2 is in fault based on the network communication topological relation;
the panoramic display module is used for providing integrated display of the business scene of the networking structure of the scheduling secondary equipment resource topological relation and the scheduling automation running system, and panoramic monitoring is carried out by utilizing a multi-business scene layered three-dimensional display and single-business scene full-screen display cooperative linkage mechanism.
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