CN109189448A - Method based on 61850 agreement online upgrading protective relaying device programs - Google Patents
Method based on 61850 agreement online upgrading protective relaying device programs Download PDFInfo
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Abstract
The present invention relates to a kind of methods based on 61850 agreement online upgrading protective relaying device programs; IEC61850 data model is extended first; with the logical node type that extension name is BUPD come representation program upgrade function, character string state is indicated with the data object type that extension name is STS, is recorded for storing program upgrade history；Then protective relaying device program is upgraded by IEC61850 client using the IEC61850 data model of extension.The present invention can easily carry out program upgrading using IEC61850 agreement in the case where device seals the exposure of no privately owned interface；Protective relaying device is by program version online upgrading record storage to file; and client is supported to retrieve by IEC61850 agreement to it; manually recorded and retrieval workload is greatly reduced, solves the problems, such as that traditional upgrade procedure method upgrade history record is inconvenient to trace, software version is inconvenient to manage.
Description
Technical field
The invention belongs to power system automation technology fields, and in particular to one kind based on 61850 agreement online upgradings after
The method of electrical protective device program.
Background technique
IEC61850 standard is the unique universal standard of power system automatic field, it realizes intelligent substation
Engineering operate standardization so that the engineering construction of intelligent substation becomes specification, unified and transparent, well solved power transformation
It stands between protective relaying device and the interoperability problem between protective relaying device and backstage.
Intelligent transformer station communications field in China's is widely used IEC61850 standard at present.The relay protection of each producer fills
The communication port set all supports IEC61850 agreement.As what is understood standard deepens continuously, domestic technique specification pair
IEC61850 is applied constantly to be optimized in the concrete function details of the relay protection communications field.It is domestic at present that IEC61850 is marked
Quasi- application standardizes also mainly for the transmission of the signal in device operational process for applying for device debugging etc.
Start perfect.
If the protective relaying device that producer has begun operation does not meet newest application requirement or needs functionally
Add new function, it is necessary to which producer, which is in due course, carries out online upgrading to the program of protective relaying device.Each producer's mesh
The preceding program upgrading means disunity to protective relaying device also rests on the stage for respectively using privately owned interface upgrade, such as
Board extraction fever writes are upgraded into FPGA program, are upgraded with USB upgrading, by proprietary protocol.It is risen using privately owned interface
Problems faced has grade at present:
1. protective relaying device miniaturization, sealingization are trend with the development of electronics technology, excessive private will not be retained
There are interface, such as newest site protective device, is exactly externally a black box, does not allow stripping device after mounting, this
Sample cannot use the privately owned interfaces such as fever writes, USB and agreement to be upgraded.
2. these upgrade methods are inconvenient to be managed collectively, record and rise without retrospective upgrading in a device after upgrading
Grade process needs more to change history by the version number that artificial means carry out recording equipment.
Since the communication port of the protective relaying device of each producer all supports IEC61850 agreement, assisted based on IEC61850
View, which carries out upgrading to the program of protective relaying device, can effectively solve the above problem.The difficult point that this solution is realized:
1. the application specification not modeling to device debugging function for IEC61850 domestic at present, needs flexibly to use
The scalability of IEC61850 data model extends model as defined in the existing standard of IEC61850, while to select suitably
IEC61850 service come guarantee program upgrading reliability and safety.
2. protective relaying device side needs to dock the interface of IEC61850 agreement, and using reasonable log storage format and
The upgrading of access strategy storage device program is recorded can be in the device of persistent storage.
Summary of the invention
It is protected in order to solve the above technical problems, the invention proposes one kind based on IEC61850 standard agreement online upgrading relay
The solution of protection unit program, by being extended to IEC61850 data model, utilizing IEC61850 Service controll and prison
Depending on the upgrading of protective relaying device program.The technical solution adopted in the present invention is as follows:
Method based on 61850 agreement online upgrading protective relaying device programs, comprising the following steps:
Step 1, the present invention flexibly use the scalability of IEC61850 data model, the fixed data mould as defined in standard
On the basis of type, IEC61850 data model is extended: with the logical node type that extension name is BUPD come representation program upgrading
Function indicates character string state with the data object type that extension name is STS, records for storing program upgrade history.
The chapters and sections that IEC61850 series standard defines data model are 7-3,7-4 chapters and sections, and 7-3 chapters and sections define the various types of of data object
Type definition, 7-4 chapters and sections define the various types definition of logical node, such as a breaker, a kind of differential protection, are all one
A logical node, all data objects that standard defines at present and logical node be not to the related support of upgrade procedure function.
Based on BUPD data model, the use of IEC61850 client directly controls service, report services and device and interacts, and completes journey
Sequence upgrade logic.
Step 2 passes through IEC61850 client to protective relaying device side using the IEC61850 data model of extension
Program is upgraded.
Preferably, it includes four parts that extension name described in step 1 is the logical node type of BUPD altogether: common logic section
Point information, control information, status information, fixed value information.
Preferably, the common logic nodal information is for indicating that the current functional status of logical node whether may be used
With；
The control information carries out program upgrading for controlling protective relaying device, establishes BinUpEna and UpStart
Two represent the data object of control function, and two data objects are all using straight control mode；
The status information be used for obtain program upgrading as a result, establish BinChkOk, BinChkErr, BinUpOk,
The data object of BinUpErr, UpHistory five expression status informations；
The fixed value information establishes PassWord, BinRef data pair for doing parameter configuration to program upgrade function
As.
Preferably, the BinUpEna is enabled for representation program upgrading, and UpStart expression starts to carry out program liter
Grade, BinChkOk indicate that application checks are completed, and BinChkErr representation program verification failure, BinUpOk indicates program of device
It upgrades successfully, BinUpErr indicates program of device upgrading failure, and UpHistory is used for logging program upgrade history, PassWord
Indicate encrypted message, the position where BinRef representation program file.
Preferably, when being upgraded described in step 2 by program of the IEC61850 client to protective relaying device, visitor
Family side operations process is as follows:
2.1.1, the maintenance soft pressing plate of protective relaying device is put into, guarantees device in maintenance state；
2.1.2, PassWord encrypted message is written, obtains upgrading authority；
2.1.3, with the straight prosecutor formula of IEC61850, program upgrading switch is opened based on BinUpEna；
2.1.4, by IEC61850 file service, file is uploaded to protective relaying device；
2.1.5, judge whether etc. until device is based on the successful IEC61850 report information of verification sent on BinChkOk,
If not, turn in next step, if it is, go to step 2.1.7；
2.1.6, judge wait whether time-out, if it is, go to step 2.1.11, if not, go to step 2.1.5；
2.1.7, by the path filling definite value object BinRef of program file, then with straight prosecutor formula, it is based on UpStart
Data object triggers the upgrading of protective relaying device start program；
2.1.8, judge whether etc. until protective relaying device is based on the IEC61850 report upgraded successfully sent on BinUpOk
Accuse information, if not, turn in next step, if it is, go to step 2.1.10；
2.1.9, judge wait whether time-out, if it is, go to step 2.1.11, if not, go to step 2.1.8；
2.1.10, report upgrades successfully, and upgrading process terminates；Deng until can pass through when upgrading successfully report
IEC61850 log services read software release upgrade historical record；
2.1.11, report upgrading failure, upgrading process terminate.
Preferably, when being upgraded described in step 2 by program of the IEC61850 client to protective relaying device, after
The process flow of electrical protective device side is as follows:
2.2.1, client is received to the setting command of maintenance soft pressing plate and password, receives the control enabled to program upgrading
Order receives request of the client based on IEC61850 file service upload program file；
2.2.2, determining program upgrading switch whether opens, if, turn in next step, if not, go to step 2.2.14；
2.2.3, receive program file and verified；
2.2.4, judge whether verification succeeds, if, turn in next step, if not, on send IEC61850 report to client table
Show verification failure, go to step 2.2.14；
2.2.5, IEC61850 report is sent to verify successfully on to client expression；
2.2.6, judge whether that receiving client directly controls the start program upgrading that service sends over by IEC61850
Order, if it is, go to step 2.2.8, if not, turn in next step；
2.2.7, judge wait whether time-out, if it is, go to step 2.2.14, if not, go to step 2.2.6；
2.2.8, determining program verification whether succeed, if it is, turn in next step, if not, on send IEC61850 report arrive
Client indicates upgrading failure, goes to step 2.2.14；
2.2.9, protective relaying device starts upgrade procedure；
2.2.10, determining program upgrading whether succeed, if not, on send IEC61850 report to client indicate upgrading lose
Lose, go to step 2.2.14, if it is, turn in next step；
2.2.11, IEC61850 report information is sent to upgrade successfully on to client expression；
2.2.12, write-in edition upgrading record, data flow modifies the log recording logic that can trigger IEC61850, by program
Version number and upgraded version be written data model；
2.2.13, pass through log mode persistence program upgrade information, history of forming record；
2.2.14, involution program upgrades enabled state, password is set in vain, if there is the program file by verifying is deleted
Except the program file by verification.
Preferably, the format of log record file uses binary form, after the information bar number of record reaches maximum,
Delete earliest storage entry.
Beneficial effects of the present invention:
1) protective relaying device miniaturization is complied with, distributed trend is sealed in device, without the feelings of privately owned interface exposure
Under condition, program upgrading can be easily carried out using IEC61850 agreement.
2) present invention flexibly uses the log services function of IEC61850, in device side using reasonable, simple possible journey
Sequence upgrade history record storage and access stencil, protective relaying device by program version online upgrading record storage to file, and
It supports client to retrieve by IEC61850 agreement to it, greatly reduces manually recorded and retrieval workload, solve
Traditional upgrade procedure method upgrade history record is inconvenient to trace, software version is inconvenient to the problem of managing.
Detailed description of the invention
Fig. 1 is the operation stream of client-side when being upgraded by program of the IEC61850 client to protective relaying device
Journey schematic diagram；
Fig. 2 is protective relaying device side when being upgraded by program of the IEC61850 client to protective relaying device
Processing flow schematic diagram.
Specific embodiment
With reference to the accompanying drawing, embodiments of the present invention are illustrated.
Method based on 61850 agreement online upgrading protective relaying device programs, comprising the following steps:
Step 1, extension IEC61850 data model, with the logical node type that extension name is BUPD come representation program liter
Grade function indicates character string state with the data object type that extension name is STS, remembers for storing program upgrade history
Record.Many logical nodes are defined in IEC61850 specification 7-4, for indicating various functions or the device in current electric system
Part, the logical node provided in these standards can satisfy most of current application demand, but all in traversal standard patrol
Node definition is collected, upgrades relevant information without program.The present invention makes full use of the data model scalability of IEC61850, wound
A new logical node type BUPD is built, specifically see the table below.
The logical node BUPD of extension defines table
Note: M/O indicates whether it is option.M expression is essential option.E indicates it is the data attribute extended, belongs to optional
?.
In upper table, this logical node includes four parts altogether: common logic nodal information, control information, status information, definite value
Information.
1) common logic nodal information: in each logical node can existing information, indicate the current of logical node
Functional status, if available.
In the IEC61850 standard of reference it has been specified that common data objects type have:
INC: controllable integer state.
INS: integer state.
LPL: logical node nameplate.
2) it controls information: establishing BinUpEna and UpStart two data objects for representing control function, two data pair
As all using straight control mode.
Wherein it is enabled to be used to representation program upgrading by BinUpEna, for the protective relaying device side object can only in maintenance and
It just can enter enabled state in the correct situation of password；UpStart expression starts to carry out program upgrading, only makes in program upgrading
Energy could start to carry out program upgrading in the state of being 1.
In the IEC61850 standard of reference it has been specified that common data objects type have:
SPC: controllable single-point state (state can only be 1 or 0).
3) status information: in order to correctly obtain program upgrading as a result, establish BinChkOk, BinChkErr,
The data object of BinUpOk, BinUpErr, UpHistory five expression status informations.
In the IEC61850 standard of reference it has been specified that common data objects type have:
SPS: single-point status information (state can only be 1 or 0).
The data type of extension has:
STS: character string type status information.
Wherein, BinChkOk indicate application checks complete, when device receive client transmission file and verify at
When function, the status information in this data object is set 1；BinChkErr representation program verification failure, when device receives client hair
The file that send and when verifying unsuccessfully, sets 1 for the state in this data object；BinUpOk indicates that program of device upgrades successfully, when
Protective relaying device program upgrade successfully it is rear, the state of this data object is set 1；BinUpErr indicates that program of device upgrading is lost
It loses, sets 1 after protective relaying device program, which upgrades, to fail, by the state of this data object；UpHistory is used to logging program liter
Grade history, is recorded IEC61850 journal file after program upgrades successfully, by this data.
UpHistory logging program upgrade history, using character string Status Type, the public affairs defined in IEC618507-3
With there is no such definition in data object type, so we extend a data object type STS, the data object class of extension
The program code of type is as follows:
In this program code:
For DOType node table registration according to object type definitions, id indicates identification code when reference this type.Cdc is data pair
As the general designation of type.
DA indicates data attribute.
BType indicates to form the type of the data attribute of this data object.Wherein Unicode255 indicates that maximum length is
255 Unicode type.Quality indicates the quality information (for example whether device is maintenance state) of data.Timestamp table
The temporal information of registration evidence.VisString255 indicates that maximum length is 255 character visible string.
Fc indicates the functional restraint of this data attribute.ST indicates status information, read-only.DC indicate description information is readable can
It writes.EX indicates extension information, read-only.
The meaning of each data attribute is as follows in the definition of this data object type:
StVal: storage character string information.
Q: quality information indicates data quality when storage character string, for example whether device is maintenance.
T: temporal information indicates the time of storage character string.
DU: description information, for describing the data object of reference this type.
CdcNs: the NameSpace of the data object type of this extension is indicated.
CdcName: the title of the data object type of this extension is indicated.
DataNs: the NameSpace of the data object of reference this type is indicated.
4) in order to do some parameter configurations to program upgrade function, PassWord, BinRef data pair fixed value information: are established
As.
Wherein, PassWord indicates that encrypted message only after entry of the correct password could enable program upgrading function
Energy；Position where BinRef representation program file, client tell protective relaying device reading program file by this definite value
Path.
The data expanded in national grid enterprise's mark " 61850 engineering relay protection application model of QGDW1396IEC " of reference
Object type has:
STG: the character string information that can be adjusted.
Step 2 upgrades protective relaying device journey by IEC61850 client using the IEC61850 data model of extension
Sequence, as shown in Figure 1, being the operation of client-side when being upgraded by program of the IEC61850 client to protective relaying device
Flow diagram, specific operating process are as follows:
2.1.1, the maintenance soft pressing plate of protective relaying device is put into, guarantees device in maintenance state；
2.1.2, PassWord encrypted message is written, obtains upgrading authority；
2.1.3, with the straight prosecutor formula of IEC61850, program upgrading switch is opened based on BinUpEna；
2.1.4, by IEC61850 file service, file is uploaded to protective relaying device；
2.1.5, judge whether etc. until device is based on the successful IEC61850 report information of verification sent on BinChkOk,
If not, turn in next step, if it is, go to step 2.1.7；
2.1.6, judge wait whether time-out, if it is, go to step 2.1.11, if not, go to step 2.1.5；
2.1.7, by the path filling definite value object BinRef of program file, then with straight prosecutor formula, it is based on UpStart
Data object triggers the upgrading of protective relaying device start program；
2.1.8, judge whether etc. until protective relaying device is based on the IEC61850 report upgraded successfully sent on BinUpOk
Accuse information, if not, turn in next step, if it is, go to step 2.1.10；
2.1.9, judge wait whether time-out, if it is, go to step 2.1.11, if not, go to step 2.1.8；
2.1.10, report upgrades successfully, and upgrading process terminates；Deng until can pass through when upgrading successfully report
IEC61850 log services read software release upgrade historical record；
2.1.11, report upgrading failure, upgrading process terminate.
As shown in Fig. 2, being relay protection when being upgraded by program of the IEC61850 client to protective relaying device
The processing flow schematic diagram of device side, specific process flow are as follows:
2.2.1, client is received to the setting command of maintenance soft pressing plate and password, receives the control enabled to program upgrading
Order receives request of the client based on IEC61850 file service upload program file；
2.2.2, determining program upgrading switch whether opens, if, turn in next step, if not, go to step 2.2.14；
2.2.3, receive program file and verified；
2.2.4, judge whether verification succeeds, if, turn in next step, if not, on send IEC61850 report to client table
Show verification failure, go to step 2.2.14；
2.2.5, IEC61850 report is sent to verify successfully on to client expression；
2.2.6, judge whether that receiving client directly controls the start program upgrading that service sends over by IEC61850
Order, if it is, go to step 2.2.8, if not, turn in next step；
2.2.7, judge wait whether time-out, if it is, go to step 2.2.14, if not, go to step 2.2.6；
2.2.8, determining program verification whether succeed, if it is, turn in next step, if not, on send IEC61850 report arrive
Client indicates upgrading failure, goes to step 2.2.14；
2.2.9, protective relaying device starts upgrade procedure；
2.2.10, determining program upgrading whether succeed, if not, on send IEC61850 report to client indicate upgrading lose
Lose, go to step 2.2.14, if it is, turn in next step；
2.2.11, IEC61850 report information is sent to upgrade successfully on to client expression；
2.2.12, write-in edition upgrading record, data flow modifies the log recording logic that can trigger IEC61850, by program
Version number and upgraded version be written data model；
2.2.13, pass through log mode persistence program upgrade information, history of forming record；
2.2.14, involution program upgrades enabled state, password is set in vain, if there is the program file by verifying is deleted
Except the program file by verification.
When protective relaying device receives the log read service of client, by the version in the log record file of storage
Upgrade history records information, is converted into IEC61850 standard message, returns to client.For quick-searching and it is converted into
IEC61850 agreement, the format of log record file, using binary form, after the information bar number of record reaches maximum,
Delete earliest storage entry.The present invention can utilize IEC61850 in the case where device seals the exposure of no privately owned interface
Agreement easily carries out program upgrading；Program version online upgrading record storage to file, and is supported visitor by protective relaying device
It is retrieved by IEC61850 agreement in family end, greatly reduces manually recorded and retrieval workload, solves tradition
Upgrade procedure method upgrade history, which records, to be inconvenient to trace, software version is inconvenient to the problem of managing.
Claims (7)
1. the method based on 61850 agreement online upgrading protective relaying device programs, which comprises the following steps:
Step 1, extension IEC61850 data model upgrade function with the logical node type that extension name is BUPD come representation program
Can, character string state is indicated with the data object type that extension name is STS, is recorded for storing program upgrade history；
Step 2, using extension IEC61850 data model by IEC61850 client to the program of protective relaying device into
Row upgrading.
2. the method according to claim 1 based on 61850 agreement online upgrading protective relaying device programs, feature exist
In extension name described in step 1 is that the logical node type of BUPD includes four parts altogether: common logic nodal information, control
Information, status information, fixed value information.
3. the method according to claim 2 based on 61850 agreement online upgrading protective relaying device programs, feature exist
In the common logic nodal information is for indicating whether the current functional status of logical node can be used；
The control information carries out program upgrading for controlling protective relaying device, establishes BinUpEna and UpStart two
The data object of control function is represented, two data objects are all using straight control mode；
The status information be used for obtain program upgrading as a result, establish BinChkOk, BinChkErr, BinUpOk,
The data object of BinUpErr, UpHistory five expression status informations；
The fixed value information establishes PassWord, BinRef data object for doing parameter configuration to program upgrade function.
4. the method according to claim 3 based on 61850 agreement online upgrading protective relaying device programs, feature exist
In the BinUpEna is used to representation program upgrading and enables, and UpStart expression starts to carry out program upgrading, BinChkOk table
Showing that application checks are completed, BinChkErr representation program verification failure, BinUpOk indicates that program of device upgrades successfully,
BinUpErr indicates program of device upgrading failure, and UpHistory is used for logging program upgrade history, and PassWord indicates message in cipher
Breath, the position where BinRef representation program file.
5. the side according to claim 1-4 based on 61850 agreement online upgrading protective relaying device programs
Method, which is characterized in that when being upgraded described in step 2 by program of the IEC61850 client to protective relaying device, visitor
Family side operations process is as follows:
2.1.1, the maintenance soft pressing plate of protective relaying device is put into, guarantees device in maintenance state；
2.1.2, PassWord encrypted message is written, obtains upgrading authority；
2.1.3, with the straight prosecutor formula of IEC61850, program upgrading switch is opened based on BinUpEna；
2.1.4, by IEC61850 file service, file is uploaded to protective relaying device；
2.1.5, judge whether etc. until device is based on the successful IEC61850 report information of verification sent on BinChkOk, if
It is no, turn in next step, if it is, go to step 2.1.7；
2.1.6, judge wait whether time-out, if it is, go to step 2.1.11, if not, go to step 2.1.5；
2.1.7, by the path filling definite value object BinRef of program file, then with straight prosecutor formula, it is based on UpStart data
The upgrading of objects trigger protective relaying device start program；
2.1.8, judge whether etc. until protective relaying device is based on the IEC61850 report letter upgraded successfully sent on BinUpOk
Breath, if not, turn in next step, if it is, go to step 2.1.10；
2.1.9, judge wait whether time-out, if it is, go to step 2.1.11, if not, go to step 2.1.8；
2.1.10, report upgrades successfully, and upgrading process terminates；Deng until can pass through IEC61850 days when upgrading successfully report
Software release upgrade historical record is read in will service；
2.1.11, report upgrading failure, upgrading process terminate.
6. the method according to claim 5 based on 61850 agreement online upgrading protective relaying device programs, feature exist
In, when being upgraded described in step 2 by program of the IEC61850 client to protective relaying device, protective relaying device side
Process flow it is as follows:
2.2.1, client is received to the setting command of maintenance soft pressing plate and password, is received the control enabled to program upgrading and is ordered
It enables, receives request of the client based on IEC61850 file service upload program file；
2.2.2, determining program upgrading switch whether opens, if, turn in next step, if not, go to step 2.2.14；
2.2.3, receive program file and verified；
2.2.4, judge verification whether succeed, if, turn in next step, if not, on send IEC61850 report to client indicate school
It tests failure, go to step 2.2.14；
2.2.5, IEC61850 report is sent to verify successfully on to client expression；
2.2.6, judge whether to receive the life that client directly controls the start program upgrading that service sends over by IEC61850
Enable, if it is, go to step 2.2.8, if not, turn in next step；
2.2.7, judge wait whether time-out, if it is, go to step 2.2.14, if not, go to step 2.2.6；
2.2.8, whether determining program verification succeeds, if it is, turn in next step, if not, on send IEC61850 report to client
End indicates upgrading failure, goes to step 2.2.14；
2.2.9, protective relaying device starts upgrade procedure；
2.2.10, determining program upgrading whether succeed, if not, on send IEC61850 report to client indicate upgrading failure,
Go to step 2.2.14, if it is, turn in next step；
2.2.11, IEC61850 report information is sent to upgrade successfully on to client expression；
2.2.12, write-in edition upgrading record, data flow modifies the log recording logic that can trigger IEC61850, by the version of program
This number and upgraded version write-in data model；
2.2.13, pass through log mode persistence program upgrade information, history of forming record；
2.2.14, involution program upgrades enabled state, and password is set in vain, deletes and leads to if there is the program file by verification
Cross the program file of verification.
7. the method according to claim 6 based on 61850 agreement online upgrading protective relaying device programs, feature exist
In the format of log record file deletes earliest deposit after the information bar number of record reaches maximum using binary form
Store up entry.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116009926A (en) * | 2023-03-27 | 2023-04-25 | 广东电网有限责任公司中山供电局 | Remote upgrading method, device and system for relay protection device |
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