CN103123484B - Transformer station's Condition Monitoring Data standardization connecting system and method - Google Patents

Transformer station's Condition Monitoring Data standardization connecting system and method Download PDF

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Publication number
CN103123484B
CN103123484B CN201210573944.9A CN201210573944A CN103123484B CN 103123484 B CN103123484 B CN 103123484B CN 201210573944 A CN201210573944 A CN 201210573944A CN 103123484 B CN103123484 B CN 103123484B
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data
converting equipment
monitoring unit
access controller
power transformation
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CN103123484A (en
Inventor
高强
隋玉秋
程大伟
耿宝宏
王文杰
谢诚
张晓辉
郭劲松
李艳丹
刘天远
于淼
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NORTHEAST ELECTRIC POWER RESEARCH INSTITUTE Co Ltd
Liaoning Electric Power Co Ltdelectric Power Science Research Institute
State Grid Corp of China SGCC
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NORTHEAST ELECTRIC POWER RESEARCH INSTITUTE Co Ltd
Liaoning Electric Power Co Ltdelectric Power Science Research Institute
State Grid Corp of China SGCC
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    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The present invention relates to the technical field of supervisory system, particularly relate to a kind of transformer station Condition Monitoring Data standardization connecting system and method.In transformer station, set up converting equipment state access controller, if on-Line Monitor Device directly meets power transformation I1 interface in station, be then connected with converting equipment state access controller by power transformation I1 interface.In if stood, on-Line Monitor Device does not directly meet power transformation I1 interface, then need to set up comprehensive monitoring unit, on-Line Monitor Device is connected with comprehensive monitoring unit by power transformation I0 interface, and comprehensive monitoring unit is connected with converting equipment state access controller by power transformation I1 interface.Converting equipment state access controller is by company of power transformation I2 interface Access Network province end power transformation CAG.On-line monitoring system of the present invention achieves the overall situation, networking, intelligentized comprehensive state monitoring system, and reaches the object of unified management.Occurring for avoiding power equipment accident, ensureing that reliable, the normal operation of device security has great significance.

Description

Transformer station's Condition Monitoring Data standardization connecting system and method
Technical field
The present invention relates to the technical field of supervisory system, particularly relate to a kind of transformer station Condition Monitoring Data standardization connecting system and method.
Background technology
The kind of converting equipment and the diversity feature of sensor technology, cause current front subsystem isomery and dispersion, is unfavorable for that converting equipment condition monitoring system is in company's unified plan with apply.System needs the position appropriateness is forward to set up the easily extensible status information access criteria layer that can access all kinds of Condition Monitoring Data, realizes status information standardization access.Need " the concentrated property " and " direct availability " that improve institute's access state information at access criteria layer simultaneously, the shielding primary Monitoring Data relevant to concrete sensor technology to greatest extent, with the development need of flexible adaptation intelligent grid sensor technology and status monitoring business.
Transformer station's Condition Monitoring Data standardization cut-in method impels traditional on-line monitoring system to be transitioned into the overall situation, networking, intelligentized comprehensive state monitoring system from isolated, a static pilot system, for realizing the operational management of converting equipment state, improves production management lean level and provides support
Summary of the invention
For above shortcomings part in prior art, the present invention, in order to set up the integrated system framework towards the collection of quasi real time continuous data, conversion, transmission, storage and comprehensive process process, provides a kind of transformer station Condition Monitoring Data standardization connecting system and method.
The present invention is achieved by the following technical solutions:
Transformer station's Condition Monitoring Data standardization connecting system: be set up converting equipment state access controller CAC and comprehensive monitoring unit in transformer station;
In if stood, on-Line Monitor Device directly meets power transformation I1 interface, be then connected with converting equipment state access controller CAC by power transformation I1 interface; Converting equipment state access controller CAC, by company of power transformation I2 interface Access Network province end power transformation state Access Network shutdown CAG, realizes the access of power transformation status information;
In if stood, on-Line Monitor Device does not directly meet power transformation I1 interface, be then connected with comprehensive monitoring unit by power transformation I0 interface, and comprehensive monitoring unit is connected with converting equipment state access controller CAC by power transformation I1 interface; Converting equipment state access controller CAC, by company of power transformation I2 interface Access Network province end power transformation state Access Network shutdown CAG, realizes the access of power transformation status information.
Described power transformation I1 interface adopts IEC61850 communication protocol, described converting equipment state access controller and comprehensive monitoring unit adopt CLIENT/SERVER MODEL, access upload with data query, the alarm of Monitoring Data, calling, cycle comprising the definition of communication protocol stack, traffic model, the connection between converting equipment state access controller and comprehensive monitoring unit, model.
Described communication protocol stack mainly comprises following content: application protocol collection comprises application layer, presentation layer and session layer; Application layer uses OSI presentation layer address, and comprise presentation layer selector, session layer selector, transport layer selector and the network address, selector is 4 eight-bit group to the maximum, and the network address adopts IP address; Host-host protocol collection should adopt TCP/IP, comprises transport layer, network layer, data link layer and Physical layer; Between TCP/IP and session layer, adopt RFC1006 as adaptation layer, tcp protocol stack realizes the transmission service of OSI, and TCP/IP is provided support by operating system, and link layer and Physical layer adopt Ethernet, and transmission medium adopts twisted-pair feeder or optical fiber; The TCP_KEEPLIVE value of TCP should be configurable, and permissible value scope is 1-20 second, needs to specify in PIXIT.
Described traffic model, function and Abstract Common Service Interface are as follows: adopt client/server traffic model between converting equipment state access controller and comprehensive monitoring unit; By sending on network or receiving, converting equipment state access controller and comprehensive monitoring unit ask, indicate, respond and confirm that service primitive carries out alternately; Report etc. are non-, and confirmation service is sent by comprehensive monitoring unit, and only has request and instruction service primitive; Comprehensive monitoring unit is as server, and converting equipment state access controller, as client computer, realizes communication connection, model access, data query, alarm, calling, cycle upload, replaces, the communication function such as definite value and control.
The concrete steps of the connection between described converting equipment state access controller and comprehensive monitoring unit are as follows: adopt the services such as Associate, Abort and Release carry out CMU and SMU between communication connection foundation, stop and discharge; Comprehensive monitoring unit should support the access form to different client, should support simultaneously be no less than 4 clients and connect; Correctly AP should be set when being associated, otherwise may connection failure be caused; During the accidental interruption that communicates between comprehensive monitoring unit with converting equipment state access controller, the time detecting communication failure of comprehensive monitoring unit and converting equipment state access controller should be not more than 1 minute.
Described model access is as follows with data query particular content: all data and controll block all should support that GetDataDirectory, GetDataDefinition and GetDataValues serve; Only allow service data to use SetDataValues service.Service data can comprise controll block, amendment definite value, replace data etc.; During read data collection catalogue, comprehensive monitoring unit sending data should include data routing, using '/' and ' $ ' as quoting separator.
Alarm, the calling of described Monitoring Data, send content as follows in the cycle: to adopt that Monitoring Data alarm is carried out in the service such as Report, GetBRCBValues, SetBRCBValues, GetURCBValues and SetURCBValues, calling, cycle upload; BRCB and URCB all adopts Multi-instance visual means, and SMU can see all report-control block examples; Report triggering mode should support dchg, qchg, IntgPd and GI; Should support that converting equipment state access controller arranges OptFlds and TrgOp online; Important quantity of state should adopt in FCD mode and send, and analog quantity can adopt in FCDA mode and send; Alarm class data use BRCB, be " TRUE " by SetBRCBValues service configuration RptEna, monitoring data concentrates quoted data, determines whether dchg, qchg or dupd occur, namely generate a report if occur, sent by Report service; Measured value data use URCB, by SetURCBValue service configuration IntgPd circulation transmit data set, or arrange GI initiatively to call data set; Should data set be pre-defined in the ICD file of comprehensive monitoring unit, and by the data in the pre-configured DataSet of manufacturer, can increase and decrease in SCD, not require data set dynamic creation and amendment; The ICD file of comprehensive monitoring unit should pre-configured and report-control block that predefined data set is corresponding, and the title of report-control block should be unified, and each manufacturer should parameter in advance in correct configuration report controll block.
Along with the raising of voltage class of electric power system and the increase of power system capacity, NETWORK STRUCTURE PRESERVING POWER SYSTEM is more complicated, requires also higher to converting equipment reliability of operation.Condition monitoring and fault diagnosis is for ensureing that the normal operation of converting equipment is significant.The overall goal of converting equipment condition monitoring system construction is towards the strong intelligent grid construction requirements of company, the data processing of all kinds of converting equipment state monitoring apparatus of specification, access and control, realize the function such as Real-Time Monitoring, early warning, analysis, diagnosis, Evaluation and Prediction of important converting equipment state, and provide standardization Condition Monitoring Data to CAG, for realizing the operational management of converting equipment state, raising production management lean level provides support.
The present invention has the following advantages:
1, overall monitor management is carried out to on-Line Monitor Device, comprehensive monitoring unit and the Condition Monitoring Data that gathers in station, support that artificial calling and timing automatic poll two kinds of modes gather Monitoring Data, can realize functions such as the detection before on-Line Monitor Device and comprehensive monitoring cellular installation and after installing, configuration and registrations.
2, set up unified database, carry out time series deposit, realize the centralized management of online data, and the standard interface with adaptation power transformation CAC communicates with upper platform.
3, realize that converting equipment Condition Monitoring Data is comprehensively analyzed, fault diagnosis and warning function.
4, system is with good expansibility and powerful ability of second development, and accessible monitoring device type, database volume, monitoring image, analytical statement etc. are unrestricted; The function of simultaneity factor also can conveniently expand, and application software adopts SOA framework, supports the integrated of the analysis module of different manufacturers, to adapt to the development of on-line monitoring and operational management.
5, realize converting equipment Condition Monitoring Data and analysis result distribution platform, the data publication instruments such as figure, curve, form are provided, set up WEB data publishing platform, for concentrator station.
6, remote maintenance easily and effectively and diagnosis, realize that system strange land is safeguarded by Telnet, upgrading, the work such as fault diagnosis and eliminating.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the system architecture schematic diagram of the embodiment of the present invention 2;
Fig. 3 is client software schematic diagram of the present invention;
Fig. 4 is client/server traffic model schematic diagram of the present invention;
Fig. 5 is the communication scheme between station of the present invention end monitoring means and comprehensive monitoring unit;
Fig. 6 is buffer memory report-control block schematic diagram;
Fig. 7 is alarm, calling, cycle upload schematic diagram;
Fig. 8 is log control block schematic diagram;
Fig. 9 transforms front former front-end system existence form in station;
Figure 10 unified standard CAC completion status monitoring device data access CAG(method one);
Figure 11 unified standard CAC completion status monitoring device data access CAG(method two);
Figure 12 unified standard CAC completion status monitoring device data access CAG(method three);
Figure 13 Condition Monitoring Data is by radio communication is sent;
Figure 14 unifies CAC and by wired mode sending state monitoring apparatus data (method one);
Figure 15 unifies CAC and by wired mode sending state monitoring apparatus data (method two);
Figure 16 unifies CAC and by wired mode sending state monitoring apparatus data (method three).
Embodiment
Embodiment 1:
The present invention is a kind of transformer station Condition Monitoring Data standardization connecting system, in transformer station, increasing converting equipment state access controller, if on-Line Monitor Device directly meets power transformation I1 interface in transformer station, then be connected with converting equipment state access controller by power transformation I1 interface, converting equipment state access controller, by company of power transformation I2 interface Access Network province end power transformation CAG, realizes the access of power transformation status information.
If on-Line Monitor Device does not directly meet power transformation I1 interface in transformer station, then need to increase comprehensive monitoring unit, then be connected with comprehensive monitoring unit by power transformation I0 interface, be connected with converting equipment state access controller by power transformation I1 interface with all kinds of comprehensive monitoring unit in standing; Converting equipment state access controller, by company of power transformation I2 interface Access Network province end power transformation CAG, realizes the access of power transformation status information.
Process layer is not adopted to the on-line monitoring system of IEC61850 communication protocol (I1 interface) to wall, comprehensive monitoring unit should be configured at wall, realize that on-Line Monitor Device communication protocol is unified to be converted to IEC61850 and to communicate with converting equipment state access controller.Converting equipment state access controller (power transformation CAC), by company of power transformation I2 interface Access Network province end power transformation CAG, realizes the access of power transformation status information.Its system architecture as shown in Figure 1.
Process layer is adopted to the on-line monitoring system of IEC61850 communication protocol (power transformation I1 interface), wall does not need configuration comprehensive monitoring unit, can directly be communicated with converting equipment state access controller by IEC61850 communication protocol.Converting equipment state access controller (power transformation CAC), by company of power transformation I2 interface Access Network province end power transformation CAG, realizes the access of power transformation status information.Its system architecture as shown in Figure 2.
Meet converting equipment on-line monitoring power transformation I1 interface network communication specification; Meet converting equipment on-line monitoring power transformation I2 interface network communication specification; Meet unified condition monitoring system framework, all kinds of converting equipment status monitoring information is carried out conclusion and abstract, set up the integrated system framework towards the collection of quasi real time continuous data, conversion, transmission, storage and comprehensive process process; Set up extendible status information access criteria layer, the development need of flexible adaptation intelligent grid sensor technology and status monitoring business, guarantee the unification of system architecture and stablize.
Transformer station's Condition Monitoring Data standardization cut-in method, described power transformation I1 interface adopts IEC61850 communication protocol, described converting equipment state access controller and comprehensive monitoring unit adopt CLIENT/SERVER MODEL, power transformation I1 interface regulation converting equipment state access controller accesses all kinds of comprehensive monitoring unit, or meet the Unified Communication agreement of on-Line Monitor Device of DL/T860 standard, comprising the definition of communication protocol stack, traffic model, connection between converting equipment state access controller and comprehensive monitoring unit, model access and data query, the alarm of Monitoring Data, calling, cycle uploads, comprehensive monitoring Modelon Modeling, function and Abstract Common Service Interface (ACSI), configure, the content of the aspect such as test.The IEC61850 service related to comprises: report services, file service, log services etc.
As shown in Figure 3, the communication of client software and comprehensive monitoring unit or the on-Line Monitor Device that meets DL/T860 standard meets DL/T860 standard-required, meets power transformation I1 interface specification.
The client software of CAC device is by power transformation I1 interface access converting equipment Condition Monitoring Data, software simulating adopts MMS development kit, based on this development kit, can realize carrying out effective interoperability with the device meeting IEC61850 standard-required of each on-line monitoring manufacturer production.
(1) client software is by ACSI(Abstract Common Service Interface) complete and comprehensive monitoring unit or the communication of monitoring device meeting DL/T860 standard.Design of Communication Interface is as follows:
1, traffic model: model of client/server.
A) client/server traffic model is adopted between station end monitoring means and comprehensive monitoring unit, as shown in Figure 4;
B) by sending on network or receiving, station end monitoring means and comprehensive monitoring unit ask, indicate, respond and confirm that service primitive carries out alternately.
C) the non-confirmation service such as Report is sent by comprehensive monitoring unit, and only has request and instruction service primitive.
2, communication function.
Stand end monitoring means as client computer and comprehensive monitoring cell server, realization communication connection, model access, data query, alarm, calling, cycle upload, the communication function such as definite value.As shown in Figure 5.
The communication connection of 3, standing between end monitoring means and comprehensive monitoring unit.
A) adopt the service such as Associate, Abort and Release to carry out comprehensive monitoring unit and stand and hold the foundation of the communication connection between monitoring means, stop and discharge.
B) end monitoring means support in station is to the access form of different client, should support simultaneously be no less than 4 clients and connect;
Correctly AP should be set when c) being associated, otherwise may connection failure be caused;
D) when comprehensive monitoring unit and station hold to communicate accidental interruption between monitoring means time, the time detecting communication failure of comprehensive monitoring unit and SMU should be not more than 1 minute.
4, model access and data query.
A) adopt the services such as GetServerDirectory, GetLogicalDeviceDirectory, GetLogicalNodeDirectory, GetDataDirectory, GetDataSetDirectory and GetDataDefinition to carry out the access of comprehensive monitoring model of element, adopt the services such as GetDataValues, SetDataValues and GetDataSetValues to carry out Monitoring Data reading;
B) all data and controll block all support that GetDataDirectory, GetDataDefinition and GetDataValues serve;
C) only allow service data to use SetDataValues service.Service data can comprise controll block, amendment definite value etc.;
D) during read data collection catalogue, comprehensive monitoring unit sending packet to contain data routing, using '/' and ' $ ' as quoting separator.
5, the alarm of Monitoring Data, calling, cycle upload.As shown in Figure 7.
Report comprises: the band report of buffer memory and the report not with buffer memory.
After comprehensive monitoring unit internal event occurs, BRCB(is with the report-control block of buffer memory) both can send report after buffer memory, also can send immediately.Feature continues buffer memory event data when being and breaking in the communications, and when communicating available, reporting process continues.BRCB, under cache size and the restriction of maximum break period, ensures that event sequence SoE (sequence-of-events) transmits.The report-control block of URCB(not with buffer memory) after internal event occurs, send report immediately, may event be lost, when breaking in the communications, not support SoE.Therefore, buffer memory report is reliable, is usually used in the situation not allowing obliterated data.In addition, use BRCB, if recur several event in cache-time, be reported in this time all events changed at the end of cache-time, server can reduce report number of times.
Comprehensive monitoring cell server end model, creates data set respectively for remote measurement, remote signalling data, requires it is not very high data for remote measurement etc. to transmission reliability, adopts the report services not with buffer memory to communicate; For the data that the reliability requirements such as remote signalling are higher, for ensureing that data are not lost, the report services of band buffer memory is adopted to communicate.
The IEC61850 server end report services part of comprehensive monitoring unit is primarily of such as lower module composition:
RCB(report-control block) generation module, data mapping module, report generation module.
1) in Software for Design, for the server section of the IEC61850 report services in main IED, following flow process is adopted to generate RCB(report-control block):
(1) analyze SCL(substation configuration description language) file, build based on LD(logical device), LN(logic node), DataSet(data set) etc. internal storage data library model.
(2) find the DataSet that in LN, each RCB is corresponding, determine the type of RCB and each attribute.
(3) according to LD, LN, RCB information in SCL, for RCB each in LN arranges unique title.Leading title is included as prefix, lnClass, inst of inst and LN of LD.BRCB title adds " $ BR $ brcb ", and URCB adds " $ RP $ urcb ".Finally add FC and the sequence number of DataSet.
(4) be each setup of attribute complete name of RCB, set up RCB, and to the initialization of part attribute, generate RptID(report identification).
(5) complete initialization RCB data.
2) data mapping module:
This module mainly completes the mapping to corresponding data in logic node example of Monitoring Data that actual monitoring equipment collects.
Concrete data-mapping mode is not specified in IEC61850, private formatted short address mode is adopted in native system, data set in logic node example is reflected in the database table in embedded database SQLite by short address, and in table, the renewal of data is come by process layer software.
The triggering mode support of report is by cycle triggering, data variation triggering, data quality change triggers etc.
3) report generation module.
When there being event to trigger, generate report by server end, and by communication module gives client background.
Client and server end to the reciprocal process of report-control block and report services, for BRCB, as shown in Figure 6.
Due to and the resource-constrained of server, the linking number therefore provided is limited.In order to allow multiple client to accept same DATA, multiple RCB example is allowed again to use, the multiple fixing RCB of server reserves.Client can be configured to directly use special example, the maximum report linking number configuration that server end is supported.
Client is by following ACSI(Abstract Common Service Interface) complete the acquisition of Monitoring Data and the setup of attribute function of report-control block.
6, log services.
CAC obtains the historical data of monitoring device by log services, when station end monitoring means and comprehensive monitoring unit or meet DL/T860 standard monitoring device between communication abnormality, backstage does not receive instant report, when network disaster recovery, interrupt Historical Monitoring data interior during this period of time and event information by Ethernet retrieval network.
The principal feature of log services is: the record of data and store relatively independent, and does not rely on connection and the retrieval of external client, and the formation speed of historical data usually will faster than the speed being recorded to external data base by communications; Client obtains a subset in this module daily record storehouse by retrieval service, and is stored in SQLServer database by this partial data, sets up jumbo historical data base.
Consider rapidity and the convenience of log searching, each log control block table comprises daily record bulletin and journal entries.The retrieval of log database is realized by daily record bulletin, specifically can locate journal entries according to daily record bulletin.When server end powers on and loads daily record and storing daily record, all the relevance of daily record bulletin and journal entries is strictly verified, checked the integrality of daily record by check code.Due to IED sever log limited storage space, specify that daily record is the queue data structure of first in first out according to IEC61850, circulation is carried out to daily record storage and covers.After overriding old journal entries, all to upgrade initial, the end entry of log control block index number and entry time at every turn.Client and server for the reciprocal process of log services with reference to as shown in Figure 8.
7, file service.
CAC client software completes the mapping of IEC61850 file service Abstract Common Service Interface (ACSI) to MMS, achieve FileOpen, FileRead, FileClose, FileDirectory, FileDelete, Filerename, Obtainfile(are server end upload file) etc. file service interface.
This service is mainly used in the Internet Transmission of large files, typical application is exactly the Internet Transmission that statistics Wave data and real-time waveform data are put in office, CAC client software enhances the con current control of file transfer and docking port software interface service performance is optimized, and improves number of concurrent and the stability of file transfer.
8, definite value service.
CAC client software completes comprehensive monitoring unit or the configuration of logic node model of device meeting IEC61850 standard by definite value service, the server ends such as comprehensive monitoring unit are made to complete the threshold filtering of Monitoring Data according to the definite value profile instance of client, the fundamental analysis process operations such as monitoring, alarming.
The basic configuration information of comprehensive monitoring cell server end, and the monitoring device connected or scan period of sensor, Monitoring Data the configuration information such as minimum value, maximal value, alarm threshold value can be undertaken operating by client software by definite value service.
The definite value group of LLN0 logic node value data collection definition mainly completes information such as the basic configuration information of IED device itself and each logic node example and threshold value settings.Complete the configuration feature to certain logic node instance, the setting of such as alarming value, the setting of maximal value, minimum value etc.
Definite value service using priciple and reciprocal process:
A) use the services such as SelectActiveSG, SelectEditSG, SetSGValues, ConfirmEditSGValues, GetSGValues and GetSGCBValues to realize definite value group to control;
B) synchronization can only have the end monitoring means client that stands can carry out the amendment of definite value, and process is as follows:
1) converting equipment state access controller sends and selects the request of editor's definite value group, comprehensive monitoring cell response;
2) converting equipment state access controller reads definite value class value, comprehensive monitoring cell response;
3) converting equipment state access controller arranges definite value class value, comprehensive monitoring cell response;
4) converting equipment state access controller reads definite value class value (whether successful for arranging definite value class value), comprehensive monitoring cell response;
5) converting equipment state access controller confirms editor's definite value class value, and comprehensive monitoring cell response, new definite value is effective.
(2) power transformation I2 interface specification defines the Unified Communication specification that power transformation status monitoring main station system accesses all kinds of converting equipment Condition Monitoring Data, and its cut-in method comprises: the content of the aspects such as the method for servicing that the communication interaction process in state Access Network shutdown CAG and transformer station between state access controller CAC, communicating pair provide.
Communication process in power transformation I2 interface specification refers to the information interactive process in the state Access Network shutdown CAG of main website and transformer station between converting equipment state access controller CAC, comprises heartbeat detection, data upload, data calling, data re-transmission, reads configuration, writes and configure and remote update seven processes.
1, heartbeat detection.
Heartbeat detection major function: the heartbeat message of the CAC self that state Access Network shutdown CAG is uploaded by converting equipment state access controller CAC and administrative state monitoring apparatus thereof judges whether CAC and administrative state monitoring apparatus thereof normally run.This process is initiated by state Access Network shutdown CAC, and concrete steps are as follows:
CAC is within each heartbeat detection cycle, and that calls CAG uploads the heartbeat message that heartbeat message method of servicing sends CAC self and administrative state monitoring apparatus thereof.
CAG returns heartbeat message reception result.
If this converting equipment state access controller or its administrative state monitoring apparatus have new edition file to need to upgrade, then state Access Network shutdown CAG returns results the version information of middle include file, after converting equipment state access controller receives version information, contrast with self or administrative monitoring device version information, the acquisition updating file method of servicing of state Access Network shutdown CAG can be called as upgraded to obtain the content of file needing to upgrade, and upgrade self file with administrative monitoring device;
CAG judges the execution result information that CAC returns, if success is then deleted control command and upgraded CAC and the corresponding configuration information of administrative monitoring device in system; If failed then still retain this control command in the buffer.
2, data upload.
The major function of data upload: converting equipment state access controller CAC uploads the Monitoring Data of administrative state monitoring apparatus to state Access Network shutdown CAG.This process is initiated by CAC, and its concrete steps are as follows:
CAC is within each data upload cycle, and that calls CAG uploads the Monitoring Data that Monitoring Data method of servicing sends administrative state monitoring apparatus.
State Access Network shutdown CAG returns Monitoring Data reception result.
State Access Network shutdown CAG judges the execution result information that converting equipment state access controller CAC returns, if success is then deleted control command and upgraded CAC and the corresponding configuration information of administrative monitoring device in system; If failed then still retain this control command in the buffer.
3, data calling.
Data calling major function: CAG sends data calling instruction allows CAC upload the current Monitoring Data of its administrative monitoring device.This process is initiated by CAG, and its concrete steps are as follows:
State Access Network shutdown CAG sends request interactive instruction.
After converting equipment state access controller CAC receives request interactive instruction, that calls CAG immediately uploads the heartbeat message that heartbeat message method of servicing sends CAC self and administrative state monitoring apparatus thereof.
After CAG receives heartbeat message, send data calling instruction by the steering order method of servicing that issues calling CAC.
Current Monitoring Data is given CAG immediately after receiving data calling instruction by CAC.
CAG determines the need of continuation sending controling instruction according to the Monitoring Data uploaded.
After CAG sends all steering orders, send to CAC and terminate interactive instruction.
4, data re-transmission.
Data re-transmission major function: state Access Network shutdown CAG sends the Monitoring Data once uploaded before data re-transmission instruction allows converting equipment state access controller CAC retransmit its administrative monitoring device.This process is initiated by CAG, and its concrete steps are as follows:
State Access Network shutdown CAG sends request interactive instruction.
After converting equipment state access controller CAC receives request interactive instruction, that calls CAG immediately uploads the heartbeat message that heartbeat message method of servicing sends CAC self and administrative state monitoring apparatus thereof.
After CAG receives heartbeat message, send data re-transmission instruction by the steering order method of servicing that issues calling CAC.
After CAC receives data re-transmission instruction, previous Monitoring Data is uploaded to CAG immediately.
CAG determines the need of continuation sending controling instruction according to the Monitoring Data uploaded.
After CAG sends all steering orders, send to CAC and terminate interactive instruction.
5, configuration is read.
Read the major function configured: state Access Network shutdown CAG reads the detailed configuration information of electric equipment state access controller CAC and administrative state monitoring apparatus thereof.This process is initiated by state Access Network shutdown CAG, and its concrete steps are as follows:
State Access Network shutdown CAG sends request interactive instruction.
After electricity equipment state access controller CAC receives request interactive instruction, that calls CAG immediately uploads the heartbeat message that heartbeat message method of servicing sends CAC self and administrative state monitoring apparatus thereof.
After CAG receives heartbeat message, comprise in returning results and read configuration information instruction.
CAC calls the upload configuration information service method of CAG after receiving and reading configuration information instruction.
After CAG receives configuration information, send and terminate interactive instruction.
6, configuration is write.
Write the major function of configuration: state Access Network shutdown CAG revises the detailed configuration information of converting equipment state access controller CAC and administrative state monitoring apparatus thereof.This process is initiated by state Access Network shutdown CAG, and its concrete steps are as follows:
State Access Network shutdown CAG sends request interactive instruction.
After CAC receives request interactive instruction, that calls CAG immediately uploads the heartbeat message that heartbeat message method of servicing sends CAC self and administrative state monitoring apparatus thereof.
After CAG receives heartbeat message, comprise in returning results and write configuration information instruction and detailed configuration information.
After CAC receives and writes configuration information instruction and configuration information, upgrade self and administrative state monitoring apparatus configuration information, and return execution execution result information.
CAG judges the execution result information that CAC returns, if success then renewal system in CAC and the corresponding configuration information of administrative monitoring device; If failed then retransmit this and write configuration order or be saved in buffer memory.
CAG sends and terminates interactive instruction.
7, remote update.
The major function of remote update: converting equipment state access controller CAC obtains the file that the administrative monitoring device of self or its needs to upgrade, and carries out corresponding version updating.This process is initiated by converting equipment state access controller CAC, and its concrete steps are as follows:
Converting equipment state access controller CAC calls the acquisition latest edition method of servicing of state Access Network shutdown CAG or calls acquisition old version method of servicing to obtain the file name of this CAC or its administrative state monitoring apparatus needs renewal.
CAG returns version information and file name.
CAC calls the acquisition updating file method of servicing of CAG to obtain the content of the file of this CAC or its administrative state monitoring apparatus needs renewal.
CAG backspace file content.
CAC upgrades the file of self and administrative monitoring device.
(3) converting equipment status monitoring information cut-in method example:
1. for the transformer station of having condition monitoring system, before transformation, front subsystem is that information island exists in station, and the collection of data can only arrive on-the-spot artificial image data, brings very large inconvenience to converting equipment monitoring running state.As shown in Figure 9.
Method one: when maintaining existing system and normally running, reduce complicacy and the retrofit work amount of access to greatest extent.Transformation makes state monitoring apparatus directly meet power transformation I1 interface, CAC is communicated with state monitoring apparatus by power transformation I1 interface, it realizes obtaining basic data from having condition monitoring system, so both can retain original system independent operating, and can CAC in unified station.Power transformation CAG does not directly connect original state monitoring apparatus, but CAC gives CAG by power transformation I2 interface by data.As shown in Figure 10:
Method two: when maintaining existing system and normally running, reduce complicacy and the retrofit work amount of access to greatest extent.Transformation makes state monitoring apparatus directly meet power transformation I0 interface, CAC is communicated with state monitoring apparatus by power transformation I0 interface, it realizes obtaining basic data from having condition monitoring system, so both can retain original system independent operating, and can CAC in unified station.Power transformation CAG does not directly connect original state monitoring apparatus, but CAC gives CAG by power transformation I2 interface by data.As shown in figure 11:
Method three: when maintaining existing system and normally running, reduce complicacy and the retrofit work amount of access to greatest extent.Transformation makes state monitoring apparatus directly meet power transformation I0 interface, increase comprehensive monitoring unit, on-Line Monitor Device is connected by power transformation I0 interface with comprehensive monitoring unit, comprehensive monitoring unit is connected with CAC by power transformation I1 interface, it realizes obtaining basic data from having condition monitoring system, so both can retain original system independent operating, and can CAC in unified station.Power transformation CAG does not directly connect original state monitoring apparatus, but CAC gives CAG by power transformation I2 interface by data.This kind of situation be applicable to state monitoring apparatus many time.As shown in figure 12:
2. for the transformer station of having condition monitoring system, and wherein the data of state monitoring apparatus be wirelessly on give prefecture-level power administration.As shown in figure 13.
Method one: radio communication is revised as wired mode, if the state monitoring apparatus of transformation simultaneously meets power transformation I1 interface, state monitoring apparatus is directly connected with CAC, is convenient to unified standard, and management maintenance.As shown in figure 14.
Method two: radio communication is revised as wired mode, if the state monitoring apparatus of transformation simultaneously meets power transformation I0 interface, state monitoring apparatus is directly connected with CAC, is convenient to unified standard, and management maintenance.As shown in figure 15.
Method three: radio communication is revised as wired mode, if the state monitoring apparatus of transformation simultaneously meets power transformation I0 interface, first state monitoring apparatus is connected with comprehensive monitoring unit, and then comprehensive monitoring unit is connected with CAC by power transformation I1 interface, be convenient to unified standard, and management maintenance.This remodeling method be applicable to state monitoring apparatus many time.As shown in figure 16.
Transformer station of the present invention Condition Monitoring Data standardization cut-in method, wherein said communication protocol stack mainly comprises following content: application protocol collection comprises application layer, presentation layer and session layer; Application layer uses OSI presentation layer address, and comprise presentation layer selector, session layer selector, transport layer selector and the network address, selector is 4 eight-bit group to the maximum, and the network address adopts IP address; Host-host protocol collection should adopt TCP/IP, comprises transport layer, network layer, data link layer and Physical layer; Between TCP/IP and session layer, adopt RFC1006 as adaptation layer, tcp protocol stack realizes the transmission service of OSI, and TCP/IP is provided support by operating system, and link layer and Physical layer adopt Ethernet, and transmission medium adopts twisted-pair feeder or optical fiber; The TCP_KEEPLIVE value of TCP should be configurable, and permissible value scope is 1-20 second, needs to specify in PIXIT.
Transformer station of the present invention Condition Monitoring Data standardization cut-in method, wherein said traffic model, function and Abstract Common Service Interface are as follows: adopt client/server traffic model between converting equipment state access controller and comprehensive monitoring unit; By sending on network or receiving, converting equipment state access controller and comprehensive monitoring unit ask, indicate, respond and confirm that service primitive carries out alternately; Report etc. are non-, and confirmation service is sent by comprehensive monitoring unit, and only has request and instruction service primitive; Comprehensive monitoring unit is as server, and converting equipment state access controller, as client computer, realizes communication connection, model access, data query, alarm, calling, cycle upload, replaces, the communication function such as definite value and control.
Transformer station of the present invention Condition Monitoring Data standardization cut-in method, the concrete steps of the connection between wherein said converting equipment state access controller and comprehensive monitoring unit are as follows: adopt the services such as Associate, Abort and Release carry out CMU and SMU between communication connection foundation, stop and discharge; Comprehensive monitoring unit should support the access form to different client, should support simultaneously be no less than 4 clients and connect; Correctly AP should be set when being associated, otherwise may connection failure be caused; During the accidental interruption that communicates between comprehensive monitoring unit with converting equipment state access controller, the time detecting communication failure of comprehensive monitoring unit and converting equipment state access controller should be not more than 1 minute.
Transformer station of the present invention Condition Monitoring Data standardization cut-in method, wherein said model access is as follows with data query particular content: all data and controll block all should support that GetDataDirectory, GetDataDefinition and GetDataValues serve; Only allow service data to use SetDataValues service.Service data can comprise controll block, amendment definite value, replace data etc.; During read data collection catalogue, comprehensive monitoring unit sending data should include data routing, using '/' and ' $ ' as quoting separator.
Transformer station of the present invention Condition Monitoring Data standardization cut-in method, alarm, the calling of wherein said Monitoring Data, send content as follows in the cycle: to adopt that Monitoring Data alarm is carried out in the service such as Report, GetBRCBValues, SetBRCBValues, GetURCBValues and SetURCBValues, calling, cycle upload; BRCB and URCB all adopts Multi-instance visual means, and SMU can see all report-control block examples; Report triggering mode should support dchg, qchg, IntgPd and GI; Should support that converting equipment state access controller arranges OptFlds and TrgOp online; Important quantity of state should adopt in FCD mode and send, and analog quantity can adopt in FCDA mode and send; Alarm class data use BRCB, be " TRUE " by SetBRCBValues service configuration RptEna, monitoring data concentrates quoted data, determines whether dchg, qchg or dupd occur, namely generate a report if occur, sent by Report service; Measured value data use URCB, by SetURCBValue service configuration IntgPd circulation transmit data set, or arrange GI initiatively to call data set; Should data set be pre-defined in the ICD file of comprehensive monitoring unit, and by the data in the pre-configured DataSet of manufacturer, can increase and decrease in SCD, not require data set dynamic creation and amendment; The ICD file of comprehensive monitoring unit should pre-configured and report-control block that predefined data set is corresponding, and the title of report-control block should be unified, and each manufacturer should parameter in advance in correct configuration report controll block.

Claims (1)

1. the cut-in method of transformer station's Condition Monitoring Data standardization connecting system, is characterized in that:
Transformer station's Condition Monitoring Data standardization connecting system: be set up converting equipment state access controller CAC and comprehensive monitoring unit in transformer station;
In if stood, on-Line Monitor Device directly meets power transformation I1 interface, be then connected with converting equipment state access controller CAC by power transformation I1 interface; Converting equipment state access controller CAC is by company of power transformation I2 interface Access Network province end power transformation state Access Network shutdown CAG;
In if stood, on-Line Monitor Device does not directly meet power transformation I1 interface, be then connected with comprehensive monitoring unit by power transformation I0 interface, and comprehensive monitoring unit is connected with converting equipment state access controller CAC by power transformation I1 interface; Converting equipment state access controller CAC is by company of power transformation I2 interface Access Network province end power transformation state Access Network shutdown CAG;
Described power transformation I1 interface adopts IEC61850 communication protocol, described converting equipment state access controller and comprehensive monitoring unit adopt CLIENT/SERVER MODEL, access upload with data query, the alarm of Monitoring Data, calling, cycle comprising the definition of communication protocol stack, traffic model, the connection between converting equipment state access controller and comprehensive monitoring unit, model;
Described converting equipment state access controller CAC, carries out information interaction with the state Access Network CAG that shuts down, and described information interaction comprises heartbeat detection, data upload, data calling, data re-transmission, reads configuration, writes configuration and remote update;
Described communication protocol stack mainly comprises following content:
Application protocol collection comprises application layer, presentation layer and session layer;
Application layer uses OSI presentation layer address, comprises presentation layer selector, session layer selector, transport layer selector and the network address,
Selector is 4 eight-bit group to the maximum, and the network address adopts IP address;
Host-host protocol collection should adopt TCP/IP, comprises transport layer, network layer, data link layer and Physical layer;
Between TCP/IP and session layer, adopt RFC1006 as adaptation layer, tcp protocol stack realize the transmission service of OSI,
TCP/IP is provided support by operating system, and link layer and Physical layer adopt Ethernet, and transmission medium adopts twisted-pair feeder or optical fiber;
The TCP_KEEPLIVE value of TCP should be configurable, and permissible value scope is 1-20 second, needs to specify in PIXIT;
Described traffic model is as follows:
Client/server traffic model is adopted between converting equipment state access controller and comprehensive monitoring unit;
By sending on network or receiving, converting equipment state access controller and comprehensive monitoring unit ask, indicate, respond and confirm that service primitive carries out alternately;
Report is non-, and confirmation service is sent by comprehensive monitoring unit, and only has request and instruction service primitive;
Comprehensive monitoring unit is as server, and converting equipment state access controller, as client computer, realizes communication connection, model access, data query, alarm, calling, cycle upload, replaces, definite value and control communication function;
The concrete steps of the connection between described converting equipment state access controller and comprehensive monitoring unit are as follows:
Associate, Abort and the Release service of employing carry out CMU and SMU between communication connection foundation, stop and discharge;
Comprehensive monitoring unit should support the access form to different client, should support simultaneously be no less than 4 clients and connect;
Correctly AP should be set when being associated, otherwise may connection failure be caused;
During the accidental interruption that communicates between comprehensive monitoring unit with converting equipment state access controller, the time detecting communication failure of comprehensive monitoring unit and converting equipment state access controller should be not more than 1 minute;
Described model access is as follows with data query particular content:
All data and controll block all should support that GetDataDirectory, GetDataDefinition and GetDataValues serve;
Only allow service data to use SetDataValues service; Service data can comprise controll block, amendment definite value, replace data;
During read data collection catalogue, comprehensive monitoring unit sending data should include data routing, using '/' and ' $ ' as quoting separator;
The alarm of described Monitoring Data, calling, cycle upload contents are as follows:
Adopt that Monitoring Data alarm is carried out in Report, GetBRCBValues, SetBRCBValues, GetURCBValues and SetURCBValues service, calling, cycle upload;
BRCB and URCB all adopts Multi-instance visual means, and SMU can see all report-control block examples;
Report triggering mode should support dchg, qchg, IntgPd and GI;
Should support that converting equipment state access controller arranges OptFlds and TrgOp online;
Important quantity of state should adopt in FCD mode and send, and analog quantity can adopt in FCDA mode and send;
Alarm class data use BRCB, and be " TRUE " by SetBRCBValues service configuration RptEna, monitoring data concentrates institute
The data quoted, determine whether dchg, qchg or dupd occur, and namely generate a report, sent by Report service if occur;
Measured value data use URCB, by SetURCBValue service configuration IntgPd circulation transmit data set, or arrange GI initiatively to call data set;
Should data set be pre-defined in the ICD file of comprehensive monitoring unit, and by the data in the pre-configured DataSet of manufacturer, can increase and decrease in SCD, not require data set dynamic creation and amendment;
The ICD file of comprehensive monitoring unit should pre-configured and report-control block that predefined data set is corresponding, and the title of report-control block should be unified, and each manufacturer should parameter in advance in correct configuration report controll block.
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