CN105978140B - Information fusion method of power equipment - Google Patents

Information fusion method of power equipment Download PDF

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Publication number
CN105978140B
CN105978140B CN201610300238.5A CN201610300238A CN105978140B CN 105978140 B CN105978140 B CN 105978140B CN 201610300238 A CN201610300238 A CN 201610300238A CN 105978140 B CN105978140 B CN 105978140B
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China
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ied
information
equipment
monitoring
transformer substation
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CN201610300238.5A
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CN105978140A (en
Inventor
任辉
姚志强
张海东
耿明志
任浩
杨青
赵国庆
窦仁晖
倪益民
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
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Priority to CN201610300238.5A priority Critical patent/CN105978140B/en
Publication of CN105978140A publication Critical patent/CN105978140A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/0006Circuit 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 for single frequency AC networks
    • H02J13/0013Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0079Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with transmission using an intermediate treatment level between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0082Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with transmission using an intermediate treatment level between the control or monitoring unit and the controlled or monitored unit using the power network as transmission support
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7869
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/18Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/128Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol

Abstract

The invention relates to an information fusion method of power equipment, which comprises the following steps: collecting state information of primary equipment; expanding on-line monitoring logic nodes of secondary equipment in an IEC61850 information model, and collecting on-line monitoring state information of the secondary equipment; acquiring equipment information of a production management system in a Web service mode; and fusing the state information of the primary equipment, the online monitoring state information of the secondary equipment and the equipment information of the production management system, which correspond to the equipment. The method provided by the invention can integrate the state monitoring data of the primary equipment and the secondary equipment, and perform information interaction with the production management system, so that the unification of related equipment information is realized, and the support is provided for the integration of unattended operation and regulation.

Description

Information fusion method of power equipment
Technical Field
The invention relates to the field of equipment state monitoring, in particular to an information fusion method of power equipment.
Background
The intelligent substation adopts IEC61850 standard, intelligent electronic equipment and information communication technology, establishes standardized, digital and networked substations, and panoramic monitoring of power equipment (including primary and secondary equipment) is an important target of the intelligent substation. The panoramic monitoring depends on the equipment state monitoring technology, and the equipment state monitoring comprises two methods of off-line detection and on-line monitoring. Offline detection has the characteristic of non-real-time performance, and power failure tests are required, so that the actual condition of equipment cannot be reflected, and online monitoring becomes an important means for improving the reliability of the equipment and the availability of a system.
Compared with the secondary equipment state monitoring, people are more concerned about the online monitoring of the primary equipment. The method aims at early research and application of state monitoring of primary equipment such as transformers, circuit breakers and GIS, and is rich in technical means, wide in monitoring range and high in engineering application degree. In recent years, state monitoring systems of primary equipment such as transformers, circuit breakers, GIS and integrated reactive devices are applied to intelligent substations in succession. Taking the state monitoring of the transformer as an example, by collecting key parameters such as dissolved gas in transformer oil, micro water in the oil, local discharge capacity, bushing dielectric loss, iron core grounding current, winding temperature and the like, the purpose of monitoring the health state of equipment can be achieved, the fault reason of the equipment can be favorably found, the service lives of the equipment and components thereof can be predicted, and a dispatching/regulating center can conveniently and reasonably arrange a maintenance plan.
With the rapid development of embedded equipment, mobile terminals and internet of things technologies, the state monitoring of secondary equipment also has developed technical conditions. The secondary equipment is taken as an information medium and is a focus of attention of operation and maintenance personnel, but the secondary equipment only has a self-checking function at present, cannot meet the requirement of remote monitoring, and an intelligent electronic equipment state monitoring system facing important parameters and links such as an equipment power supply, a memory, a CPU, a communication interface, network flow, a secondary circuit and the like is urgently needed to be established. Under the condition, a set of secondary equipment state monitoring system is independently established, so that resource waste and system dispersion are caused, and information among the systems is isolated and cannot be shared and complemented. On the other hand, information such as substation equipment ledgers, test maintenance records and the like to be referred to for remote monitoring is stored in the production management system. The production management system focuses on management, is mainly applied to departments closely related to production management, cannot directly provide necessary related information such as equipment overhaul test management, fault management, inspection management, defect management, running states, nameplates and the like for the transformer substation, and transformer substation operation maintainers need to access a production management system master station in a Web mode to obtain local information, so that inconvenience is brought to field operation and maintenance.
Disclosure of Invention
The invention provides an information fusion method of power equipment, and aims to integrate primary and secondary equipment state monitoring data, perform information interaction with a production management system, realize the unification of related equipment information and provide support for unmanned duty and regulation integration.
The purpose of the invention is realized by adopting the following technical scheme:
in a method of information fusion for an electrical device, the improvement comprising:
collecting state information of primary equipment;
expanding on-line monitoring logic nodes of secondary equipment in an IEC61850 information model, and collecting on-line monitoring state information of the secondary equipment;
acquiring equipment information of a production management system in a Web service mode;
and fusing the state information of the primary equipment, the online monitoring state information of the secondary equipment and the equipment information of the production management system, which correspond to the equipment.
Preferably, the online monitoring logical node of the extended secondary device IED includes:
respectively expanding ICD files of secondary equipment of a process layer, a spacing layer and a station control layer;
wherein, the on-line monitoring logic node added by the IED of the process layer after the expansion comprises: SCPU, SMEM, SNTF, and SDSK, the IED of the process level comprising: a merging unit and an intelligent terminal;
the expanded on-line monitoring logic node for measuring and controlling the addition of IEDs in the IEDs of the bay level comprises: the expanded online monitoring logic nodes added to the line protection IED in the IED of the spacer layer comprise: SCPU, SDSK, SMEM and SNTF, and the expanded on-line monitoring logic nodes added to the IED of the bay level and used for monitoring the switch state of the IED comprise: the on-line monitoring logic node added to the IED of the spacing layer after expansion of the SDSK, SSWI, SOPM, SNTF, SCPU and SMEM comprises: CCGR, SCPU, SDSK, SPDC, and SNTF;
the expanded on-line monitoring logic nodes added to the IED of the station control layer comprise: SNTF, SDSK, SCPU and SMEM, the IED of the station control layer comprises: the system comprises a comprehensive application server, a monitoring host and a data communication gateway machine.
Further, collecting the online monitoring state information of the secondary device includes:
if the switch state monitoring IED and/or the transformer state monitoring IED exist in the middle interlayer of the transformer substation, respectively transmitting the on-line monitoring state information of the merging unit and the intelligent terminal in the process layer of the transformer substation to a middle substation control layer network of the transformer substation through the switch state monitoring IED or the transformer state monitoring IED;
on-line monitoring state information of a measurement and control IED, a line protection IED, a switch state monitoring IED and a transformer state monitoring IED in IEDs of a middle interlayer of the transformer substation is respectively transmitted to a middle station control layer network of the transformer substation;
and respectively uploading the on-line monitoring state information of the comprehensive application server, the monitoring host and the data communication gateway machine in the IED of the station control layer in the transformer substation to a station control layer network in the transformer substation.
Further, collecting the online monitoring state information of the secondary device includes:
if the switch state monitoring IED and/or the transformer state monitoring IED do not exist in the middle interlayer of the transformer substation, respectively transmitting the on-line monitoring state information of the merging unit and the intelligent terminal of the process layer in the transformer substation to a middle station control layer network of the transformer substation through the measurement and control IED;
on-line monitoring state information of a measurement and control IED, a line protection IED, a switch state monitoring IED and a transformer state monitoring IED in IEDs of a middle interlayer of the transformer substation is respectively transmitted to a middle station control layer network of the transformer substation;
and respectively uploading the on-line monitoring state information of the comprehensive application server, the monitoring host and the data communication gateway machine in the IED of the station control layer in the transformer substation to a station control layer network in the transformer substation.
Preferably, the acquiring the device information of the production management system through the Web service includes:
the production management system provides an API interface which can be called through Web, the data acquisition end is used as a Web service application program client, the production management system is used as a Web service server to provide equipment information for the data acquisition end, and the remotely called equipment information is packaged in an XML format.
Further, the device information of the production management system includes: equipment ledger information, commissioning record information, and maintenance record information.
Preferably, the online monitoring state information of the secondary device includes self-checking state information of the secondary device.
The invention has the beneficial effects that:
the information fusion method of the power equipment provided by the invention provides a primary and secondary equipment information fusion method based on IEC61850 information model extension and Web service remote calling technology, extends computer equipment and on-line monitoring logic nodes of components of intelligent electronic equipment, and realizes unified modeling, unified acquisition and unified processing of primary and secondary equipment state information. The online monitoring function of the primary and secondary equipment is uniformly completed by a substation equipment state monitoring system, the islanding phenomenon of substation equipment state monitoring information is eliminated, the production management information is acquired in a Web Service remote calling mode, linkage among production, operation and maintenance specialties is realized, and the support, regulation and control are integrated and unattended.
Drawings
FIG. 1 is a flow chart of an information fusion method of an electrical device according to the present invention;
FIG. 2 is a schematic diagram of a device status monitoring information model according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a substation equipment information fusion system architecture in the embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the information fusion method for the power equipment provided by the present invention, the secondary equipment state monitoring function does not establish a separate system, but realizes the function in the equipment state monitoring system, and the equipment state monitoring system not only collects the primary equipment state monitoring information, but also receives the secondary equipment state monitoring information, as shown in fig. 1, the method includes:
101. collecting state information of primary equipment;
102. expanding on-line monitoring logic nodes of secondary equipment in an IEC61850 information model, and collecting on-line monitoring state information of the secondary equipment;
103. acquiring equipment information of a production management system in a Web service mode;
104. and fusing the state information of the primary equipment, the online monitoring state information of the secondary equipment and the equipment information of the production management system, which correspond to the equipment.
The online monitoring state information of the secondary equipment comprises self-checking state information of the secondary equipment.
Specifically, the secondary device state monitoring information is based on device self-checking information, however, self-checking functions of manufacturers are not uniform and are imperfect, and indexes such as temperature, channel light intensity, network card flow and the like which reflect real-time operation conditions of the devices are not in a monitoring range. With the development of embedded technology, the selection of hardware integration design of the equipment is various, most computer devices can support the acquisition of parameters such as temperature, light intensity, flow and CPU utilization rate, important components such as a CPU, a memory, a hard disk and a network card are brought into the monitoring range of secondary equipment, and the reliability of the equipment is improved, as shown in fig. 2, primary equipment state monitoring information and each piece of secondary equipment information are transmitted to an equipment state monitoring system through a network, and SV message transmission state monitoring quantity and GOOSE message transmission state monitoring state quantity information are adopted. The state information of the process layer equipment can be uploaded to the station control layer through the primary equipment state monitoring devices at corresponding intervals, and if the primary equipment state monitoring devices are not configured at corresponding intervals, the state information of the process layer equipment can be uploaded through the measurement and control devices at intervals. If the merging unit and the intelligent terminal device, the information is firstly uploaded to the primary state monitoring device, the GOOSE message transmission equipment state information and the SV message transmission equipment quantity measurement information, and the primary equipment state monitoring device uploads the information to the equipment state monitoring system through the MMS message. The process layer switch can also upload the self state monitoring information through the primary equipment state monitoring device. The bay level equipment, the station control level equipment and the station control level switch directly adopt MMS messages to upload state information to the equipment state monitoring system through the station control level network, so that the on-line monitoring logic node of the extended secondary equipment IED comprises:
respectively expanding ICD files of secondary equipment of a process layer, a spacing layer and a station control layer;
wherein, the on-line monitoring logic node added by the IED of the process layer after the expansion comprises: SCPU, SMEM, SNTF, and SDSK, the IED of the process level comprising: a merging unit and an intelligent terminal;
the expanded on-line monitoring logic node for measuring and controlling the addition of IEDs in the IEDs of the bay level comprises: the expanded online monitoring logic nodes added to the line protection IED in the IED of the spacer layer comprise: SCPU, SDSK, SMEM and SNTF, and the expanded on-line monitoring logic nodes added to the IED of the bay level and used for monitoring the switch state of the IED comprise: the on-line monitoring logic node added to the IED of the spacing layer after expansion of the SDSK, SSWI, SOPM, SNTF, SCPU and SMEM comprises: CCGR, SCPU, SDSK, SPDC, and SNTF;
the expanded on-line monitoring logic nodes added to the IED of the station control layer comprise: SNTF, SDSK, SCPU and SMEM, the IED of the station control layer comprises: the system comprises a comprehensive application server, a monitoring host and a data communication gateway machine.
The online monitoring state information of the secondary equipment is collected, and the method comprises the following steps:
if the switch state monitoring IED and/or the transformer state monitoring IED exist in the middle interlayer of the transformer substation, respectively transmitting the on-line monitoring state information of the merging unit and the intelligent terminal in the process layer of the transformer substation to a middle substation control layer network of the transformer substation through the switch state monitoring IED or the transformer state monitoring IED;
on-line monitoring state information of a measurement and control IED, a line protection IED, a switch state monitoring IED and a transformer state monitoring IED in IEDs of a middle interlayer of the transformer substation is respectively transmitted to a middle station control layer network of the transformer substation;
and respectively uploading the on-line monitoring state information of the comprehensive application server, the monitoring host and the data communication gateway machine in the IED of the station control layer in the transformer substation to a station control layer network in the transformer substation.
The online monitoring state information of the secondary equipment is collected, and the method comprises the following steps:
if the switch state monitoring IED and/or the transformer state monitoring IED do not exist in the middle interlayer of the transformer substation, respectively transmitting the on-line monitoring state information of the merging unit and the intelligent terminal of the process layer in the transformer substation to a middle station control layer network of the transformer substation through the measurement and control IED;
on-line monitoring state information of a measurement and control IED, a line protection IED, a switch state monitoring IED and a transformer state monitoring IED in IEDs of a middle interlayer of the transformer substation is respectively transmitted to a middle station control layer network of the transformer substation;
and respectively uploading the on-line monitoring state information of the comprehensive application server, the monitoring host and the data communication gateway machine in the IED of the station control layer in the transformer substation to a station control layer network in the transformer substation.
The method is characterized in that secondary equipment state monitoring information is fused, namely an equipment state monitoring information model is expanded by an ICD (interface control document) file of a secondary equipment monomer (comprising a transformer and a switch state monitoring device), the process layer equipment state monitoring information is firstly transmitted to a primary equipment state monitoring device or a measurement and control device through an SV (space vector) or GOOSE (generic object oriented substation event) message, the primary equipment state monitoring device or the measurement and control device transmits the information to a station control layer through an MMS (multimedia messaging service) message, and a bay layer device and the station control layer device directly transmit the state information of the bay layer device and the station control layer to an equipment state monitoring system through the MMS message. The equipment state monitoring system imports the SCD file of the whole station and establishes a mapping relation with the secondary equipment of each interval layer and the station control layer. The equipment state monitoring system serves as a client, secondary equipment of each interval layer and the station control layer serves as a server, the equipment state monitoring system subscribes state monitoring measurement and state quantity information to the secondary equipment, and the substation equipment state monitoring system can obtain state monitoring data of the primary and secondary equipment of the whole station.
Furthermore, the substation side acquires equipment ledger information, maintenance records, operation records, pre-test data, installation and debugging records, equipment defects, operation and maintenance information of similar equipment and other data which have important guiding significance for field operation and maintenance, and the production management system can automatically update production information such as substation equipment maintenance records, operation records and equipment defect management in real time.
As shown in fig. 3, information fusion is realized on the level of the substation equipment state monitoring system through the primary and secondary equipment state monitoring information, the production management system information and the auxiliary system video image in the substation. The production management system provides information display means for each transformer substation in a Web mode, free interaction cannot be achieved, and the problem is solved by remotely calling Web service. The production management system provides an API (Application Service Interface, abbreviated as API) which can be called through Web, the power transformation state monitoring system serves as a Web Service Application program client, and the production management system serves as a Web Service server to provide equipment information such as equipment ledgers, debugging records, maintenance records and the like for the power transformation state monitoring system. The remote invocation Web service encapsulates data in an XML format (i.e., the remote invocation service object, the delivery parameters, and the service object return results are described in XML). XMLSchema defines a set of standard data types, and provides a language extension data type to realize cross-platform operability. In order to avoid illegal calling, the production management system can set the authority for each system visitor.
After the information is fused, the power transformation equipment state monitoring system can acquire the operation and maintenance state and experience data of the similar equipment to guide field maintenance and operation. For example, the method can realize a primary and secondary equipment linkage function by information fusion with a PMS, track equipment fault sources, action processes and processing conditions according to primary equipment state monitoring data during relay protection action, simultaneously call in-station videos or start in-station patrol robots, observe equipment fault images, comprehensively analyze, diagnose equipment faults and pre-judge processing means of the equipment faults. The production management system can also update information such as maintenance records, operation conditions, equipment states and the like in time.
Therefore, the acquiring the device information of the production management system through the Web service includes:
the production management system provides an API interface which can be called through Web, a data acquisition end is used as a Web service application program client, the production management system is used as a Web service server to provide equipment information for the data acquisition end, the remotely called equipment information is packaged in an XML format, and the equipment information of the production management system comprises: equipment ledger information, commissioning record information, and maintenance record information.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (6)

1. An information fusion method of an electric power device, the method comprising:
collecting state information of primary equipment;
expanding on-line monitoring logic nodes of secondary equipment in an IEC61850 information model, and collecting on-line monitoring state information of the secondary equipment;
acquiring equipment information of a production management system in a Web service mode;
fusing the state information of the primary equipment, the online monitoring state information of the secondary equipment and the equipment information of the production management system, which correspond to the equipment;
the on-line monitoring logic node of the secondary equipment in the extended IEC61850 information model comprises:
respectively expanding ICD files of secondary equipment of a process layer, a spacing layer and a station control layer;
wherein, the on-line monitoring logic node added by the IED of the process layer after the expansion comprises: SCPU, SMEM, SNTF, and SDSK, the IED of the process level comprising: a merging unit and an intelligent terminal;
the expanded on-line monitoring logic node for measuring and controlling the addition of IEDs in the IEDs of the bay level comprises: the expanded online monitoring logic nodes added to the line protection IED in the IED of the spacer layer comprise: SCPU, SDSK, SMEM and SNTF, and the expanded on-line monitoring logic nodes added to the IED of the bay level and used for monitoring the switch state of the IED comprise: the on-line monitoring logic node added to the IED of the spacing layer after expansion of the SDSK, SSWI, SOPM, SNTF, SCPU and SMEM comprises: CCGR, SCPU, SDSK, SPDC, and SNTF;
the expanded on-line monitoring logic nodes added to the IED of the station control layer comprise: SNTF, SDSK, SCPU and SMEM, the IED of the station control layer comprises: the system comprises a comprehensive application server, a monitoring host and a data communication gateway machine.
2. The method of claim 1, wherein collecting online monitoring status information of the secondary device comprises:
if the switch state monitoring IED and/or the transformer state monitoring IED exist in the middle interlayer of the transformer substation, respectively transmitting the on-line monitoring state information of the merging unit and the intelligent terminal in the process layer of the transformer substation to a middle substation control layer network of the transformer substation through the switch state monitoring IED or the transformer state monitoring IED;
on-line monitoring state information of a measurement and control IED, a line protection IED, a switch state monitoring IED and a transformer state monitoring IED in IEDs of a middle interlayer of the transformer substation is respectively transmitted to a middle station control layer network of the transformer substation;
and respectively uploading the on-line monitoring state information of the comprehensive application server, the monitoring host and the data communication gateway machine in the IED of the station control layer in the transformer substation to a station control layer network in the transformer substation.
3. The method of claim 1, wherein collecting online monitoring status information of the secondary device comprises:
if the switch state monitoring IED and/or the transformer state monitoring IED do not exist in the middle interlayer of the transformer substation, respectively transmitting the on-line monitoring state information of the merging unit and the intelligent terminal of the process layer in the transformer substation to a middle station control layer network of the transformer substation through the measurement and control IED;
on-line monitoring state information of a measurement and control IED, a line protection IED, a switch state monitoring IED and a transformer state monitoring IED in IEDs of a middle interlayer of the transformer substation is respectively transmitted to a middle station control layer network of the transformer substation;
and respectively uploading the on-line monitoring state information of the comprehensive application server, the monitoring host and the data communication gateway machine in the IED of the station control layer in the transformer substation to a station control layer network in the transformer substation.
4. The method of claim 1, wherein obtaining device information for a production management system via a Web service comprises:
the production management system provides an API interface which can be called through Web, the data acquisition end is used as a Web service application program client, the production management system is used as a Web service server to provide equipment information for the data acquisition end, and the remotely called equipment information is packaged in an XML format.
5. The method of claim 4, wherein the device information of the production management system comprises: equipment ledger information, commissioning record information, and maintenance record information.
6. The method of claim 1, wherein the online monitoring status information of the secondary device comprises self-test status information of the secondary device.
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