CN103123484A - Transformer substation state monitoring data standardized access system and transformer substation state monitoring data standardized access method - Google Patents
Transformer substation state monitoring data standardized access system and transformer substation state monitoring data standardized access method Download PDFInfo
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Abstract
The invention relates to the technical field of monitoring systems, in particular to a transformer substation state monitoring data standardized access system and a transformer substation state monitoring data standardized access method. A power transformation equipment state access controller is additionally arranged in a transformer substation, if an on-line monitoring device in the substation directly meets a power transformation interface I1, the on-line monitoring device is connected with the power transformation equipment state access controller through the power transformation interface I1; if the on-line monitoring device in the substation does not directly meet the power transformation interface I1, a comprehensive monitoring unit is needed to be additionally arranged, the on-line monitoring device is connected with the comprehensive monitoring unit through a power transformation interface I0, the comprehensive monitoring unit is connected with the power transformation equipment state access controller through the power transformation interface I1, and the power transformation equipment state access controller is connected with a provincial power grid company end power transformation CAG (collective address group). By the transformer substation state monitoring data standardized access system and the transformer substation state monitoring data standardized access method, a comprehensive state monitoring system which is global, networked and intelligentized is realized, the objective of unified management is achieved, and the transformer substation state monitoring data standardized access system and the transformer substation state monitoring data standardized access method are significant in avoiding power equipment accidents and guaranteeing safe, reliable and normal running of equipment.
Description
Technical field
The present invention relates to the technical field of supervisory system, relate in particular to a kind of transformer station Condition Monitoring Data standardization connecting system and method.
Background technology
The diversity characteristics of the kind of converting equipment and sensor technology cause present front subsystem isomery and dispersion, are unfavorable for the converting equipment condition monitoring system in company's unified plan and apply.But system need to be set up the extended mode information access standard layer that can access all kinds of Condition Monitoring Datas in the forward position of appropriateness, realizes status information standardization access.Need to improve at the access criteria layer " the concentrated property " and " directly availability " of institute's access state information simultaneously, shielding and the primary Monitoring Data that specifically sensor technology is relevant to greatest extent is 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, improving production management lean level and provide support
Summary of the invention
For above shortcomings part in prior art, the integrated system framework that the present invention processes for collection, conversion, transmission, storage and the comprehensive process of setting up towards continuous data quasi real time 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 to set up converting equipment state access controller CAC and comprehensive monitoring unit in transformer station;
In if stand, on-Line Monitor Device directly satisfies power transformation I1 interface, is connected with converting equipment state access controller CAC by power transformation I1 interface; Converting equipment state access controller CAC realizes the access of power transformation status information by the end power transformation state Access Network shutdown CAG of power transformation I2 interface Access Network province company;
In if stand, on-Line Monitor Device does not directly satisfy power transformation I1 interface, is connected with the comprehensive monitoring unit by power transformation I0 interface, and the comprehensive monitoring unit is connected with converting equipment state access controller CAC by power transformation I1 interface; Converting equipment state access controller CAC realizes the access of power transformation status information by the end power transformation state Access Network shutdown CAG of power transformation I2 interface Access Network province company.
Described power transformation I1 interface adopts IEC 61850 communication protocols, described converting equipment state access controller and comprehensive monitoring unit adopt CLIENT/SERVER MODEL, upload comprising being connected between the definition of communication protocol stack, traffic model, converting equipment state access controller and comprehensive monitoring unit, model access and data query, the alarm of Monitoring Data, calling, cycle.
Described communication protocol stack mainly comprises following content: the application protocol collection comprises application layer, presentation layer and session layer; Application layer use OSI presentation layer address comprises presentation layer selector, session layer selector, transport layer selector and the network address, and selector is 4 eight hytes to the maximum, and the IP address is adopted in the network address; The host-host protocol collection should adopt TCP/IP, comprises transport layer, network layer, data link layer and Physical layer; Adopt RFC1006 as adaptation layer between TCP/IP and session layer, realize the transmission service of OSI on the TCP protocol stack, 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 the permissible value scope is 1-20 second, need to specify in PIXIT.
Described traffic model, function and Abstract Common Service Interface are as follows: adopt the client/server traffic model between converting equipment state access controller and comprehensive monitoring unit; Converting equipment state access controller and comprehensive monitoring unit are by sending or receive request, indication, response and confirming that service primitive carries out alternately on network; The non-confirmation service such as Report is sent by the comprehensive monitoring unit, and only has request and indication service primitive; The comprehensive monitoring unit is as server, and converting equipment state access controller is as client computer, realize communication connection, model access, data query, alarm, calling, cycle upload, the communication functions such as replacement, definite value and control.
Described converting equipment state access controller is as follows with concrete steps that are connected between the comprehensive monitoring unit: adopt the services such as Associate, Abort and Release to carry out foundation, termination and the release of the communication connection between CMU and SMU; The access form to different clients should be supported in the comprehensive monitoring unit, should support simultaneously and be no less than 4 clients and connect; When setting up association, AP should be set correctly, otherwise may cause connection failure; When communicating by letter accidental interruption between comprehensive monitoring unit and converting equipment state access controller, the time that detects 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 the data query particular content: all data and controll block all should be supported GetDataDirectory, GetDataDefinition and GetDataValues service; But only allow service data to use the SetDataValues service.But service data comprises controll block, revises definite value, replaces data etc.; During read data collection catalogue, comprehensive monitoring send data should include data routing on the unit, uses '/' and ' $ ' as quoting separator.
The alarm of described Monitoring Data, calling, send on the cycle and the contents are as follows: adopt the services such as Report, GetBRCBValues, SetBRCBValues, GetURCBValues and SetURCBValues to carry out Monitoring Data alarm, calling, cycle and upload; BRCB and URCB all adopt the Multi-instance visual means, and SMU can see all report-control block examples; Report triggering mode should be supported dchg, qchg, IntgPd and GI; Should support converting equipment state access controller that OptFlds and TrgOp are set online; Important quantity of state should adopt on the FCD mode and send, and analog quantity can adopt on the FCDA mode and send; Alarm class data are used BRCB, be " TRUE " by SetBRCBValues service configuration RptEna, monitoring data is concentrated the data of quoting, and determines whether to occur dchg, qchg or dupd, if occur namely to generate a report, serve by Report and send; The measured value data are used URCB, by SetURCBValue service configuration IntgPd circulation transmit data set, or the next data set of initiatively calling of GI are set; Answer pre-defined data set 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, do not require data set dynamic creation and modification; The report-control block that the ICD file of comprehensive monitoring unit should be pre-configured with predefined data set is corresponding, the title of report-control block should be unified, each manufacturer should be in advance the correct parameter in 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 the converting equipment reliability of operation.Condition monitoring and fault diagnosis is significant for the normal operation that guarantees converting equipment.The overall goal of converting equipment condition monitoring system construction is towards the strong intelligent grid construction requirements of company, the data of all kinds of converting equipment state monitoring apparatus of standard are processed, are accessed and control, realize the function such as Real-Time Monitoring, early warning, analysis, diagnosis, Evaluation and Prediction of important converting equipment state, and provide the standardization Condition Monitoring Data to CAG, provide support for realizing the operational management of converting equipment state, raising production management lean level.
The present invention has the following advantages:
1, the interior on-Line Monitor Device of standing, comprehensive monitoring unit and the Condition Monitoring Data that gathers are carried out overall monitor management, support artificial calling and timing automatic poll dual mode to gather Monitoring Data, can realize before on-Line Monitor Device and comprehensive monitoring cellular installation and the functions such as detection, configuration and registration after installation.
2, set up unified database, carry out time series deposit, realize the centralized management of online data, and have the standard interface that adapts to power transformation CAC and communicate by letter with upper platform.
3, realize converting equipment Condition Monitoring Data analysis-by-synthesis, 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 the SOA framework, supports analysis module integrated 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 publishing tools such as figure, curve, form are provided, set up the WEB data publishing platform, for concentrator station.
6, easily and effectively remote maintenance and diagnosis can realize by Telnet the work such as system's strange land maintenance, upgrading, fault diagnosis and eliminating.
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Description of drawings
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 that schematic diagram is uploaded in alarm, calling, cycle;
Fig. 8 is the log control block schematic diagram;
Fig. 9 transforms front former front-end system and have form in the 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 sending on radio communication;
Figure 14 unifies CAC and by sending state monitoring apparatus data (method one) on wired mode;
Figure 15 unifies CAC and by sending state monitoring apparatus data (method two) on wired mode;
Figure 16 unifies CAC and by sending state monitoring apparatus data (method three) on wired mode.
Embodiment
Embodiment 1:
The present invention is a kind of transformer station Condition Monitoring Data standardization connecting system, to increase converting equipment state access controller in transformer station, if in transformer station, on-Line Monitor Device directly satisfies power transformation I1 interface, be connected with converting equipment state access controller by power transformation I1 interface, converting equipment state access controller is realized the access of power transformation status information by the end power transformation CAG of power transformation I2 interface Access Network province company.
If in transformer station, on-Line Monitor Device does not directly satisfy power transformation I1 interface, need to increase the comprehensive monitoring unit, be connected with the 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 monitorings unit in standing; Converting equipment state access controller is realized the access of power transformation status information by the end power transformation CAG of power transformation I2 interface Access Network province company.
Do not adopt the on-line monitoring system of IEC 61850 communication protocols (I1 interface) to wall for process layer, should configure the comprehensive monitoring unit at wall, realize that the unification of on-Line Monitor Device communication protocol is converted to IEC 61850 and communicates by letter with converting equipment state access controller.Converting equipment state access controller (power transformation CAC) is realized the access of power transformation status information by the end power transformation CAG of power transformation I2 interface Access Network province company.Its system architecture as shown in Figure 1.
Adopt the on-line monitoring system of IEC 61850 communication protocols (power transformation I1 interface) for process layer, wall does not need to configure the comprehensive monitoring unit, can directly communicate by letter with converting equipment state access controller by IEC 61850 communication protocols.Converting equipment state access controller (power transformation CAC) is realized the access of power transformation status information by the end power transformation CAG of power transformation I2 interface Access Network province company.Its system architecture as shown in Figure 2.
Satisfy converting equipment on-line monitoring power transformation I1 interface network communication specification; Satisfy converting equipment on-line monitoring power transformation I2 interface network communication specification; Satisfy unified condition monitoring system framework, all kinds of converting equipment status monitoring information are concluded with abstract, set up the integrated system framework of processing towards quasi real time collection, conversion, transmission, storage and the comprehensive process of continuous data; Set up extendible status information access criteria layer, the development need of flexible adaptation intelligent grid sensor technology and status monitoring business is guaranteed the unification of system architecture and stablizes.
transformer station's Condition Monitoring Data standardization cut-in method, described power transformation I1 interface adopts IEC 61850 communication protocols, described converting equipment state access controller and comprehensive monitoring unit employing CLIENT/SERVER MODEL, power transformation I1 interface has been stipulated all kinds of comprehensive monitorings of converting equipment state access controller access unit, or meet the Unified Communication agreement of the on-Line Monitor Device of DL/T860 standard, definition comprising communication protocol stack, traffic model, being connected between converting equipment state access controller and comprehensive monitoring unit, model access and data query, the alarm of Monitoring Data, calling, cycle uploads, the content of the aspects such as comprehensive monitoring Modelon Modeling, function and Abstract Common Service Interface (ACSI), configuration, test.IEC 61850 services that relate to comprise: report service, file service, log services etc.
As shown in Figure 3, client software and comprehensive monitoring unit or the communicating by letter of on-Line Monitor Device that meets the DL/T860 standard are satisfied the DL/T860 standard-required, meet power transformation I1 interface specification.
The client software of CAC device is by power transformation I1 interface access converting equipment Condition Monitoring Data, software realizes adopting the MMS development kit, based on this development kit, can realize carrying out effective interoperability with the device that satisfies IEC 61850 standard-requireds of each on-line monitoring manufacturer production.
(1) client software is by the ACSI(Abstract Common Service Interface) complete and comprehensive monitoring unit or the communicating by letter of monitoring device of satisfying the DL/T860 standard.Design of Communication Interface is as follows:
1, traffic model: model of client/server.
A) employing client/server traffic model between station end monitoring means and comprehensive monitoring unit, as shown in Figure 4;
B) the end monitoring means of standing is undertaken by send or receive request, indication, response and confirmation service primitive on network with the comprehensive monitoring unit alternately.
C) the non-confirmation service such as Report is sent by the comprehensive monitoring unit, and only has request and indication service primitive.
2, communication function.
Stand the end monitoring means as client computer and comprehensive monitoring cell server, the communication functions such as realization communication connection, model access, data query, alarm, calling, cycle upload, definite value.As shown in Figure 5.
3, stand communication connection between end monitoring means and comprehensive monitoring unit.
A) adopt the services such as Associate, Abort and Release to carry out the foundation of the communication connection between comprehensive monitoring unit and station end monitoring means, stop and discharge.
B) stand end monitoring means support to different clients' access form, should support simultaneously and be no less than 4 clients and connect;
When c) setting up association, AP should be set correctly, otherwise may cause connection failure;
D) when communicating by letter accidental interruption between comprehensive monitoring unit and station end monitoring means, the time that detects 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 and read;
B) all data and controll block are all supported GetDataDirectory, GetDataDefinition and GetDataValues service;
C) but only allow a service data to use SetDataValues service.But service data comprises controll block, revises definite value etc.;
D) during read data collection catalogue, comprehensive monitoring send packet to contain data routing on the unit, uses '/' and ' $ ' conduct to quote separator.
5, the alarm of Monitoring Data, calling, cycle upload.As shown in Figure 7.
Report comprises: with the report of buffer memory with not with the report of buffer memory.
After comprehensive monitoring unit internal event generation, BRCB(is with the report-control block of buffer memory) but both send report after buffer memory, also can send immediately.Feature is to continue the buffer memory event data when communication disruption, and reporting process continues when communication is available.BRCB guarantees that event sequence SoE (sequence-of-events) transmits under cache size and the restriction of maximum break period.URCB(is not with the report-control block of buffer memory) after occuring, internal event sends immediately report, may lose event, do not support SoE when communication disruption.Therefore, the buffer memory report is reliable, is usually used in not allowing the situation of obliterated data.In addition, use BRCB, if recur several events in cache-time, all events that change between report at this moment when cache-time finishes, server can reduce the report number of times.
Comprehensive monitoring cell server end model creates respectively data set for remote measurement, remote signalling data, and for remote measurement etc., transmission reliability being required is not very high data, adopts not the report service with buffer memory to communicate; For the higher data of the reliability requirements such as remote signalling, do not lose for guaranteeing data, adopt the report service with buffer memory to communicate.
The IEC 61850 server end report services of comprehensive monitoring unit are mainly by forming as lower module:
The RCB(report-control block) generation module, data-mapping module, report generation module.
1) in Software for Design, the server section for the IEC 61850 report services in main IED adopts following flow process to generate the RCB(report-control block):
(1) analyze SCL(substation configuration description language) file, build based on the LD(logical device), the LN(logic node), the DataSet(data set) etc. the memory database model.
(2) find DataSet corresponding to each RCB in LN, determine type and each attribute of RCB.
(3) according to LD, LN, RCB information in SCL, for each RCB in LN arranges unique title.Leading title is included as the inst of LD and prefix, lnClass, the inst of LN.The BRCB title adds " $ BR $ brcb ", and URCB adds " $ RP $ urcb ".Add at last 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 sign).
(5) complete initialization RCB data.
2) data-mapping module:
This module is mainly completed the mapping of Monitoring Data that actual monitoring equipment collects corresponding data in the logic node example.
Do not stipulate concrete data-mapping mode in IEC 61850, adopt private formatted short address mode in native system, data set in the logic node example is reflected in the database table in embedded database SQLite by the short address, and in table, the renewal of data is completed 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 Event triggered is arranged, generate report by server end, and by giving client background on communication module.
The reciprocal process of client and server end to report-control block and report service, take BRCB as example, as shown in Figure 6.
Due to and the resource-constrained of server, the linking number that therefore provides is limited.In order to allow a plurality of clients to accept same DATA, allow again a plurality of RCB examples to use, a plurality of 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 setup of attribute function with report-control block obtained of Monitoring Data.
6, log services.
CAC obtains the historical data of monitoring device by log services, when station end monitoring means and comprehensive monitoring unit or satisfy communication abnormality between the monitoring device of DL/T 860 standards, instant report is not received on the backstage, when network disaster recovery, interrupt interior during this period of time Historical Monitoring data and event information by the Ethernet retrieval network.
The principal feature of log services is: the record of data and store relatively independently, and do not rely on connection and the retrieval of external client, and the formation speed of historical data usually will be faster than be recorded to the speed of external data base by communications; Client is obtained a subset in this module daily record storehouse by retrieval service, and this partial data is stored in SQL Server database, 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 realizes by the daily record bulletin, can specifically locate journal entries according to the daily record bulletin.Server end powers on when loading daily record and storing daily record, all the relevance of daily record bulletin and journal entries is carried out strict verification, checks the integrality of daily record by check code.Due to IED sever log limited storage space, be the queue data structure of first in first out according to IEC 61850 regulation daily records, to the log store covering that circulates.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.
The CAC client software has been completed the mapping of IEC 61850 file service Abstract Common Service Interfaces (ACSI) to MMS, realized File Open, File Read, File Close, File Directory, File Delete, File rename, Obtainfile(are the server end upload file) etc. the file service interface.
This service is mainly used in the Internet Transmission of large file, the typical application is exactly the Internet Transmission that statistics Wave data and real-time waveform data are put in office, concurrent control and docking port software interface service performance that the CAC client software has strengthened file transfer are optimized, and have promoted number of concurrent and the stability of file transfer.
8, definite value service.
The CAC client software is completed the comprehensive monitoring unit or satisfies the configuration of logic node model of the device of IEC 61850 standards by the definite value service, make the server end such as comprehensive monitoring unit complete the threshold filtering of Monitoring Data according to the definite value profile instance of client, operation is processed in the fundamental analyses such as monitoring, alarming.
The basic configuration information of comprehensive monitoring cell server end, and the configuration informations such as the minimum value of the scan period of the monitoring device that connects or sensor, Monitoring Data, maximal value, alarm threshold value can be operated by client software by the definite value service.
The definite value group of LLN0 logic node value data collection definition is mainly completed information such as the basic configuration information of IED device itself and each logic node example and Thresholds.Complete the configuration feature to the certain logic node instance, for example setting of 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 the control of definite value group;
B) synchronization can only have a station end monitoring means client can carry out the modification 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 the definite value class value, the comprehensive monitoring cell response;
3) converting equipment state access controller arranges the definite value class value, the comprehensive monitoring cell response;
4) converting equipment state access controller reads definite value class value (whether successfully being used for arranging the definite value class value), comprehensive monitoring cell response;
5) converting equipment state access controller is confirmed editor's definite value class value, the comprehensive monitoring cell response, and new definite value is effective.
(2) power transformation I2 interface specification has been stipulated the Unified Communication standard of all kinds of converting equipment Condition Monitoring Datas of power transformation status monitoring main station system access, and its cut-in method comprises: the content of the communication interaction process between state Access Network shutdown CAG and the internal state access controller CAC of transformer station, the aspects such as method of servicing that communicating pair provides.
Information interactive process in the state Access Network shutdown CAG that communication process in power transformation I2 interface specification refers to main website and transformer station between converting equipment state access controller CAC comprises heartbeat detection, data upload, data calling, data re-transmission, reads to configure, writes and configure and seven processes of remote update.
1, heartbeat detection.
The heartbeat detection major function: the CAC self that state Access Network shutdown CAG uploads by converting equipment state access controller CAC and the heartbeat message of jurisdiction state monitoring apparatus thereof judges whether CAC and jurisdiction state monitoring apparatus thereof normally move.This process is initiated by state Access Network shutdown CAC, and concrete steps are as follows:
CAC in the cycle, calls the heartbeat message that the heartbeat message method of servicing sends CAC self and jurisdiction state monitoring apparatus thereof of uploading of CAG in each heartbeat detection.
CAG returns to the heartbeat message reception result.
If this converting equipment state access controller or its jurisdiction state monitoring apparatus have the redaction file to need to upgrade, state Access Network shutdown CAG returns results the version information of middle include file, after converting equipment state access controller is received version information, contrast with self or jurisdiction monitoring device version information, as need upgrade can call state Access Network shutdown CAG obtain the updating file method of servicing with the content of the file that need to obtain to upgrade, and upgrade the file of the monitoring device of self and jurisdiction;
CAG judges the execution result information that CAC returns, if CAC and the corresponding configuration information of jurisdiction monitoring device in control command and update system are deleted in success; If failed still keep this control command in buffer memory.
2, data upload.
The major function of data upload: converting equipment state access controller CAC uploads the Monitoring Data of jurisdiction state monitoring apparatus to state Access Network shutdown CAG.This process is initiated by CAC, and its concrete steps are as follows:
CAC in the cycle, calls the Monitoring Data that the Monitoring Data method of servicing sends the jurisdiction state monitoring apparatus of uploading of CAG in each data upload.
State Access Network shutdown CAG returns to the Monitoring Data reception result.
State Access Network shutdown CAG judges the execution result information that converting equipment state access controller CAC returns, if CAC and the corresponding configuration information of jurisdiction monitoring device in control command and update system are deleted in success; If failed still keep this control command in buffer memory.
3, data calling.
Data calling major function: CAG sends data calling instruction allows CAC upload the current Monitoring Data of its jurisdiction monitoring device.This process is initiated by CAG, and its concrete steps are as follows:
State Access Network shutdown CAG sends the request interactive instruction.
After converting equipment state access controller CAC receives the request interactive instruction, call immediately the heartbeat message that the heartbeat message method of servicing sends CAC self and jurisdiction state monitoring apparatus thereof of uploading of CAG.
After CAG receives heartbeat message, can send data calling instruction by the steering order method of servicing that issues that calls CAC.
CAC gives CAG with current Monitoring Data immediately after receiving data calling instruction.
CAG determines according to the Monitoring Data of uploading whether needs continue sending controling instruction.
After CAG sends all steering orders, send to CAC and finish interactive instruction.
4, data re-transmission.
The data re-transmission major function: state Access Network shutdown CAG sends the data re-transmission instruction allows converting equipment state access controller CAC retransmit the Monitoring Data of once uploading before its jurisdiction monitoring device.This process is initiated by CAG, and its concrete steps are as follows:
State Access Network shutdown CAG sends the request interactive instruction.
After converting equipment state access controller CAC receives the request interactive instruction, call immediately the heartbeat message that the heartbeat message method of servicing sends CAC self and jurisdiction state monitoring apparatus thereof of uploading of CAG.
After CAG receives heartbeat message, can send the data re-transmission instruction by the steering order method of servicing that issues that calls CAC.
After CAC receives the data re-transmission instruction, previous Monitoring Data is uploaded to CAG immediately.
CAG determines according to the Monitoring Data of uploading whether needs continue sending controling instruction.
After CAG sends all steering orders, send to CAC and finish interactive instruction.
5, read configuration.
The major function of reading to configure: state Access Network shutdown CAG reads the detailed configuration information of electric equipment state access controller CAC and jurisdiction 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 the request interactive instruction.
After electricity equipment state access controller CAC receives the request interactive instruction, call immediately the heartbeat message that the heartbeat message method of servicing sends CAC self and jurisdiction state monitoring apparatus thereof of uploading of CAG.
After CAG receives heartbeat message, comprise in returning results and read the configuration information instruction.
After CAC receives and reads the configuration information instruction, call the upload configuration information service method of CAG.
After CAG receives configuration information, send and finish interactive instruction.
6, write configuration.
Write the major function of configuration: state Access Network shutdown CAG revises the detailed configuration information of converting equipment state access controller CAC and jurisdiction 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 the request interactive instruction.
After CAC receives the request interactive instruction, call immediately the heartbeat message that the heartbeat message method of servicing sends CAC self and jurisdiction state monitoring apparatus thereof of uploading of CAG.
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 jurisdiction state monitoring apparatus configuration information, and return to the execution execution result information.
CAG judges the execution result information that CAC returns, if success CAC and the corresponding configuration information of jurisdiction monitoring device in update system; If failed retransmit this and write configuration order or it is saved in buffer memory.
CAG sends and finishes interactive instruction.
7, remote update.
The major function of remote update: converting equipment state access controller CAC obtains the file that self or its jurisdiction monitoring device need 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 obtaining the latest edition method of servicing or calling and obtain the file name that the old version method of servicing need to upgrade to obtain this CAC or its jurisdiction state monitoring apparatus of state Access Network shutdown CAG.
CAG returns to version information and file name.
What CAC called CAG obtains the updating file method of servicing with the content of the file that obtains this CAC or its jurisdiction state monitoring apparatus and need to upgrade.
CAG backspace file content.
The file of CAC renewal self and jurisdiction monitoring device.
(3) converting equipment status monitoring information access method example:
1. for the transformer station of having condition monitoring system, before transformation, front subsystem is that information island exists in the station, and the collection of data can only be arrived on-the-spot artificial image data, brings very large inconvenience for the converting equipment monitoring running state.As shown in Figure 9.
Method one: in the situation that keep the normal operation of existing system, reduce to greatest extent complicacy and the retrofit work amount of access.Transformation makes state monitoring apparatus directly satisfy power transformation I1 interface, CAC communicates by letter with state monitoring apparatus by power transformation I1 interface, its realization is obtained basic data from having condition monitoring system, so both can keep the original system independent operating, and can the interior CAC of unified station.Power transformation CAG does not directly connect original state monitoring apparatus, but CAC will give CAG by power transformation I2 interface on data.As shown in figure 10:
Method two: in the situation that keep the normal operation of existing system, reduce to greatest extent complicacy and the retrofit work amount of access.Transformation makes state monitoring apparatus directly satisfy power transformation I0 interface, CAC communicates by letter with state monitoring apparatus by power transformation I0 interface, its realization is obtained basic data from having condition monitoring system, so both can keep the original system independent operating, and can the interior CAC of unified station.Power transformation CAG does not directly connect original state monitoring apparatus, but CAC will give CAG by power transformation I2 interface on data.As shown in figure 11:
Method three: in the situation that keep the normal operation of existing system, reduce to greatest extent complicacy and the retrofit work amount of access.Transformation makes state monitoring apparatus directly satisfy power transformation I0 interface, increase comprehensive monitoring unit, on-Line Monitor Device is connected by power transformation I0 interface with the comprehensive monitoring unit, the comprehensive monitoring unit is connected with CAC by power transformation I1 interface, its realization is obtained basic data from having condition monitoring system, so both can keep the original system independent operating, and can the interior CAC of unified station.Power transformation CAG does not directly connect original state monitoring apparatus, but CAC will give CAG by power transformation I2 interface on data.When the suitable state monitoring apparatus of this kind situation is many.As shown in figure 12:
2. for the transformer station of having condition monitoring system, and wherein the data of state monitoring apparatus are by giving prefecture-level power administration on wireless mode.As shown in figure 13.
Method one: radio communication is revised as wired mode, if the state monitoring apparatus of transformation satisfies power transformation I1 interface simultaneously, state monitoring apparatus directly is 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 satisfies power transformation I0 interface simultaneously, state monitoring apparatus directly is 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 simultaneously the state monitoring apparatus of transformation satisfies power transformation I0 interface, at first state monitoring apparatus is connected with the comprehensive monitoring unit, and then the comprehensive monitoring unit is connected with CAC by power transformation I1 interface, be convenient to unified standard, and management maintenance.When the suitable state monitoring apparatus of this remodeling method is many.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: the application protocol collection comprises application layer, presentation layer and session layer; Application layer use OSI presentation layer address comprises presentation layer selector, session layer selector, transport layer selector and the network address, and selector is 4 eight hytes to the maximum, and the IP address is adopted in the network address; The host-host protocol collection should adopt TCP/IP, comprises transport layer, network layer, data link layer and Physical layer; Adopt RFC1006 as adaptation layer between TCP/IP and session layer, realize the transmission service of OSI on the TCP protocol stack, 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 the permissible value scope is 1-20 second, need 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 the client/server traffic model between converting equipment state access controller and comprehensive monitoring unit; Converting equipment state access controller and comprehensive monitoring unit are by sending or receive request, indication, response and confirming that service primitive carries out alternately on network; The non-confirmation service such as Report is sent by the comprehensive monitoring unit, and only has request and indication service primitive; The comprehensive monitoring unit is as server, and converting equipment state access controller is as client computer, realize communication connection, model access, data query, alarm, calling, cycle upload, the communication functions such as replacement, definite value and control.
Transformer station of the present invention Condition Monitoring Data standardization cut-in method, wherein said converting equipment state access controller is as follows with concrete steps that are connected between the comprehensive monitoring unit: adopt the services such as Associate, Abort and Release to carry out foundation, termination and the release of the communication connection between CMU and SMU; The access form to different clients should be supported in the comprehensive monitoring unit, should support simultaneously and be no less than 4 clients and connect; When setting up association, AP should be set correctly, otherwise may cause connection failure; When communicating by letter accidental interruption between comprehensive monitoring unit and converting equipment state access controller, the time that detects 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 the data query particular content: all data and controll block all should be supported GetDataDirectory, GetDataDefinition and GetDataValues service; But only allow service data to use the SetDataValues service.But service data comprises controll block, revises definite value, replaces data etc.; During read data collection catalogue, comprehensive monitoring send data should include data routing on the unit, uses '/' and ' $ ' as quoting separator.
Transformer station of the present invention Condition Monitoring Data standardization cut-in method the alarm of wherein said Monitoring Data, calling, send on the cycle and thes contents are as follows: adopts the services such as Report, GetBRCBValues, SetBRCBValues, GetURCBValues and SetURCBValues to carry out Monitoring Data alarm, calling, cycle and upload; BRCB and URCB all adopt the Multi-instance visual means, and SMU can see all report-control block examples; Report triggering mode should be supported dchg, qchg, IntgPd and GI; Should support converting equipment state access controller that OptFlds and TrgOp are set online; Important quantity of state should adopt on the FCD mode and send, and analog quantity can adopt on the FCDA mode and send; Alarm class data are used BRCB, be " TRUE " by SetBRCBValues service configuration RptEna, monitoring data is concentrated the data of quoting, and determines whether to occur dchg, qchg or dupd, if occur namely to generate a report, serve by Report and send; The measured value data are used URCB, by SetURCBValue service configuration IntgPd circulation transmit data set, or the next data set of initiatively calling of GI are set; Answer pre-defined data set 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, do not require data set dynamic creation and modification; The report-control block that the ICD file of comprehensive monitoring unit should be pre-configured with predefined data set is corresponding, the title of report-control block should be unified, each manufacturer should be in advance the correct parameter in configuration report controll block.
Claims (8)
1. transformer station's Condition Monitoring Data standardization connecting system is characterized in that:
Set up converting equipment state access controller CAC and comprehensive monitoring unit in transformer station;
In if stand, on-Line Monitor Device directly satisfies power transformation I1 interface, is connected with converting equipment state access controller CAC by power transformation I1 interface; Converting equipment state access controller CAC realizes the access of power transformation status information by the end power transformation state Access Network shutdown CAG of power transformation I2 interface Access Network province company;
In if stand, on-Line Monitor Device does not directly satisfy power transformation I1 interface, is connected with the comprehensive monitoring unit by power transformation I0 interface, and the comprehensive monitoring unit is connected with converting equipment state access controller CAC by power transformation I1 interface; Converting equipment state access controller CAC realizes the access of power transformation status information by the end power transformation state Access Network shutdown CAG of power transformation I2 interface Access Network province company.
2. transformer station according to claim 1 Condition Monitoring Data standardization cut-in method, it is characterized in that: described power transformation I1 interface adopts IEC 61850 communication protocols, described converting equipment state access controller and comprehensive monitoring unit adopt CLIENT/SERVER MODEL, upload comprising being connected between the definition of communication protocol stack, traffic model, converting equipment state access controller and comprehensive monitoring unit, model access and data query, the alarm of Monitoring Data, calling, cycle.
3. transformer station's Condition Monitoring Data standardization cut-in method, it is characterized in that: converting equipment state access controller CAC and state Access Network shutdown CAG carry out information interaction, and described information interaction comprises heartbeat detection, data upload, data calling, data re-transmission, reads configuration, writes configuration and remote update.
4. transformer station according to claim 2 Condition Monitoring Data standardization cut-in method, it is characterized in that: described communication protocol stack mainly comprises following content:
The application protocol collection comprises application layer, presentation layer and session layer;
Application layer use OSI presentation layer address comprises presentation layer selector, session layer selector, transport layer selector and the network address,
Selector is 4 eight hytes to the maximum, and the IP address is adopted in the network address;
The host-host protocol collection should adopt TCP/IP, comprises transport layer, network layer, data link layer and Physical layer;
Adopt RFC1006 as adaptation layer between TCP/IP and session layer, realize the transmission service of OSI on the TCP protocol stack,
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 the permissible value scope is 1-20 second, need to specify in PIXIT.
5. transformer station according to claim 2 Condition Monitoring Data standardization cut-in method, it is characterized in that: described traffic model, function and Abstract Common Service Interface are as follows:
Adopt the client/server traffic model between converting equipment state access controller and comprehensive monitoring unit;
Converting equipment state access controller and comprehensive monitoring unit are by sending or receive request, indication, response and confirming that service primitive carries out alternately on network;
The non-confirmation service such as Report is sent by the comprehensive monitoring unit, and only has request and indication service primitive;
The comprehensive monitoring unit is as server, and converting equipment state access controller is as client computer, realize communication connection, model access, data query, alarm, calling, cycle upload, the communication functions such as replacement, definite value and control.
6. transformer station described according to claim Condition Monitoring Data standardization cut-in method is characterized in that: described converting equipment state access controller is as follows with concrete steps that are connected between the comprehensive monitoring unit:
Adopt the services such as Associate, Abort and Release to carry out the foundation of the communication connection between CMU and SMU, stop and discharge;
The access form to different clients should be supported in the comprehensive monitoring unit, should support simultaneously and be no less than 4 clients and connect;
When setting up association, AP should be set correctly, otherwise may cause connection failure;
When communicating by letter accidental interruption between comprehensive monitoring unit and converting equipment state access controller, the time that detects communication failure of comprehensive monitoring unit and converting equipment state access controller should be not more than 1 minute.
7. transformer station according to claim 2 Condition Monitoring Data standardization cut-in method, it is characterized in that: described model access is as follows with the data query particular content:
All data and controll block all should be supported GetDataDirectory, GetDataDefinition and GetDataValues service;
But only allow service data to use the SetDataValues service; But service data comprises controll block, revises definite value, replaces data etc.;
During read data collection catalogue, comprehensive monitoring send data should include data routing on the unit, uses '/' and ' $ ' as quoting separator.
8. transformer station according to claim 2 Condition Monitoring Data standardization cut-in method is characterized in that: the alarm of described Monitoring Data, calling, send on the cycle and the contents are as follows:
Adopting the services such as Report, GetBRCBValues, SetBRCBValues, GetURCBValues and SetURCBValues to carry out Monitoring Data alarm, calling, cycle uploads;
BRCB and URCB all adopt the Multi-instance visual means, and SMU can see all report-control block examples;
Report triggering mode should be supported dchg, qchg, IntgPd and GI;
Should support converting equipment state access controller that OptFlds and TrgOp are set online;
Important quantity of state should adopt on the FCD mode and send, and analog quantity can adopt on the FCDA mode and send;
Alarm class data are used BRCB, are " TRUE " by SetBRCBValues service configuration RptEna, and monitoring data is concentrated institute
The data of quoting determine whether to occur dchg, qchg or dupd, if occur namely to generate a report, serve by Report and send;
The measured value data are used URCB, by SetURCBValue service configuration IntgPd circulation transmit data set, or the next data set of initiatively calling of GI are set;
Answer pre-defined data set 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, do not require data set dynamic creation and modification;
The report-control block that the ICD file of comprehensive monitoring unit should be pre-configured with predefined data set is corresponding, the title of report-control block should be unified, each manufacturer should be in advance the correct parameter in configuration report controll block.
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