CN104283890B - A kind of improved method for the mapping of IEC61850 report services data communications - Google Patents
A kind of improved method for the mapping of IEC61850 report services data communications Download PDFInfo
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- CN104283890B CN104283890B CN201410576515.6A CN201410576515A CN104283890B CN 104283890 B CN104283890 B CN 104283890B CN 201410576515 A CN201410576515 A CN 201410576515A CN 104283890 B CN104283890 B CN 104283890B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/03—Protocol definition or specification
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
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- Computer Networks & Wireless Communication (AREA)
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- Computer And Data Communications (AREA)
Abstract
The present invention relates to a kind of improved methods for the mapping of IEC61850 report services data communications, template(-let) in data is defined as minimum unit data, substitute Inclusion bitstring, with the mapping that " reference " is minimum unit data, the mapping relations for establishing bottom most basic unit " data " and " reference " set up the mapping mechanism of simple mode.Settlement server end and the configuration of client data collection are inconsistent, the problem of causing message that cannot parse.
Description
Technical field
The invention belongs to relay protection fields, are related to a kind of improvement for the mapping of IEC61850 report services data communications
Method.
Background technology
The corresponding report services data communication mapping of existing IEC61850 stipulations the, by (positions Inclusion-bitstring
Go here and there code), date-reference (reference) to data intensive data generate mapping relations, corresponding message parameter title as scheme
Shown in 1.
By Inclusion-bitstring (bit string code), date-reference (reference) come the number in descriptor data set
According to name list.Data set is made of multiple data, and a data are often by one or more attributes (minimum unit data)
Composition, minimum unit Data Representation are most basic data, can not be split again, such as stVal, q, t.Each data correspond to
A position of Inclusion-bitstring, Inclusion-bitstring are the position types in the service of MMS general messages, are led to
1 or 0 state is crossed to reflect the corresponding online data situation of data set.
If a data are concentrated with 3 data, respectively A, B, C, wherein A data include two attributes of a, b, corresponding
The 1st of bitstring；B data includes two attributes of c, d, the 2nd of corresponding bitstring；C data includes mono- category of e
Property, the 3rd of corresponding bitstring.It can determine that Inclusion-bitstring is made of 3 bit bytes after the completion of configuration.
As follows, if 3 bit bytes are 1, indicate that first data, second data, third data are transmitted in data set,
And it is corresponding with these three data orders.
If it is 1 that display first, which is the 0, the 2nd 3, then it represents that first data is not transmitted, second and third data transmission.
Message form at this time becomes：
Receiving terminal and transmitting terminal should all keep data set configuration consistency, and with bits per inch in BITSTRING according to corresponding number
According to being consistent.When receiving message, first according to the state of position in BITSTRING, the online of each data of transmission is determined
Situation.If the 2nd be the 0, the 1st, 3 be 1, then the 1st, 3 corresponding data and attribute of parsing, a, b and e successively are updated to connecing
In receiving end data set.
Explanations of the date-reference (reference) only as the position data of Inclusion-bitstring, inessential item,
The position of corresponding each Inclusion-bitstring and corresponding data, the generally structure of LD/LN.DO+FC, wherein LD are
Logic device, LN are logical node, and DO is data object, and FC is functional restraint, this data mapping information often corresponds to multiple categories
Property unit composition a data, and its description that nested forms, such as the data volume comprising stVal, q, t and nesting meaning are presented
It is described as TL | TL | TLV | |.
As follows to specific transmitting message analytical analysis.
Message format is：
In message data are mapped with the position data for relying on BITSTRING.Data are packaged biography together in the form of one by one
Defeated, in this message example, each BITSTRING data for being directed to include 3 attributes, attribute is respectively data type, number
Value and time, totally 9 attributes separately constitute 3 data together.Carry out data transmission, is by 3 positions of BITSTRING first
1 indicates 3 data transmissions, is then explained to each data by reference information, wherein LD information PT1102ARCD, LN letters
RDRE1 is ceased, functional restraint information ST indicates quantity of state remote signalling information, DA information, reference information inside nested data structure information.
The corresponding reference information of first data is PT1102ARCD/RDRE1 ST RcdMade, the attribute packet of this data
BOOLEAN containing data type, value data BITS 0000-0015:0000000000000, time UTC 1970-01-01 00：
00.0.000000。
Receiving terminal and transmitting terminal should all keep data set configuration consistency, and with bits per inch in BITSTRING according to corresponding number
According to being consistent.When receiving message, it is first 111 according to the position state in BITSTRING, then parses the 1st, 2,3 successively
Corresponding data and corresponding attribute, BOOLEAN:RTUE；BITS 0000-0015:0000000000000；UTC 1970-01-
0100：00.0.000000Timequality:00 ... and attribute is updated one by one in data set in corresponding data.
This corresponding Inclusion-bitstring option is data set member, and data set member is likely to be
FCD, it is also possible to FCDA；Corresponding data set member is more, and analytical Calculation is complex.
In addition, Inclusion-bitstring corresponds to position information, when it is 0 to have individual positions, its in transmitting message corresponds to number
According to set member change in location, if server end and the configuration of the data set of client are inconsistent at this time, message cannot parse.
Invention content
The present invention provides the improved methods that data communication in a kind of corresponding report services of IEC61850 stipulations maps, and use
To solve data set member's change in location, if server end and the configuration of the data set of client are inconsistent at this time, message cannot solve
The problem of analysis.
To achieve the above object, the solution of the present invention includes：
The present invention proposes the improved method that data communication maps in a kind of corresponding report services of IEC61850 stipulations, step
It is as follows：
A) data and the mapping relations of reference, are established；
B), reference and data of the transmission with this mapping relations；
C), receiving terminal analytic message extracts the data information of minimum unit according to every reference information, and combination forms number
According to.
Data corresponding with reference generally use minimum unit data.
The mapping relations of reference and data can be indicated the reference information of most basic unit by LD, LN, DO, DA and BDA,
The corresponding unique data information of this mark.
Minimum unit data, the generally attribute of data.
The improved method that the present invention proposes a kind of corresponding report services data communication mapping of IEC61850 stipulations.Data
Interior template(-let) is defined as minimum unit data, substitutes Inclusion-bitstring, is minimum unit data with " reference "
Mapping, establish the mapping relations of bottom most basic unit " data " and " reference ", set up the mapping mechanism of simple mode.Solution
Certainly server end and the configuration of client data collection are inconsistent, the problem of causing message that cannot parse.
Description of the drawings
Fig. 1 is the corresponding message parameter title table of IEC61850 stipulations；
Fig. 2 is data communication mapping transmission process schematic diagram；
Fig. 3 is data and reference simple index schematic diagram.
Specific implementation mode
The present invention will be further described in detail below in conjunction with the accompanying drawings.
The improved method that the present invention proposes a kind of corresponding report services data communication mapping of IEC61850 stipulations.Data
Interior template(-let) is defined as minimum unit data, substitutes Inclusion-bitstring, is minimum unit data with " reference "
Mapping, establish the mapping relations of bottom most basic unit " data " and " reference ", set up the mapping mechanism of simple mode.Solution
Certainly server end and the configuration of client data collection are inconsistent, the problem of causing message that cannot parse.
A kind of improved method of the corresponding report services data communication mapping of IEC61850 stipulations, tears open according to the attribute of data
Divided data, data attribute performance is most basic minimum unit, can not be split again.The bottom most base is established according to data attribute
The mapping relations of plinth " unit " and " reference ", set up the mapping mechanism of simple mode.It is transmitted by IEC61850 agreements, client
With server by the parsing to this mapping relations, corresponding data attribute is extracted, and then obtain data.As shown in Figure 2.
Detailed step is as follows：
A) the correspondence reference of each attribute (minimum unit data) is established.It can be by logical device LD, logical node LN and number
It is formed according to object oriented DA and BDA, reference is unique mark of data in transmitting message, and each most basic, simplest
Data are indicated by unique reference, are in mapping relations.
Most basic simplest data are that data can not be split unit, and a such as data are concentrated with multiple data A, B, C, often
A data again may include multiple attributes (minimum unit data), respectively a, b ... x, each most simple data unit correspond to 1
A reference, as shown below, wherein LD/LN.DO.DA.bDA1 are the correspondence reference of a most basic data cell, such as corresponding
Be current value, can be indicated by the title of similar E1Q1SB1PROT/GGGIO1.Ind6.mag.f.
B) report message transmits simple reference and corresponding data information；Include reference sum number by the transmission of IEC61850 stipulations
According to report message information.
Reference corresponding data subitem, message format can by but be not limited to following form and indicate：
Date-reference references 1
Date-reference references 2
……
Numerical value values minimum unit data a
Numerical value values minimum unit data b
……
If RcdMade data subitems are respectively stVal, q, t, then reference difference is as follows in message：
PT1102ARCD/RDRE1.RcdMade.stVal
PT1102ARCD/RDRE1.RcdMade.q
PT1102ARCD/RDRE1.RcdMade.t
Here is the corresponding data information of corresponding 3 subitem references respectively
BITS 0000-0015:0000000000000
// numerical value, corresponding PT1102ARCD/RDRE1.RcdMade.StVal
BITS 0000-0015:0000000000000
// numerical value, corresponding PT1102ARCD/RDRE1.RcdMade.q
UTC 1970-01-0100：00.0.000000Timequality:00
// standard time, corresponding PT1102ARCD/RDRE1.RcdMade.t
After receiving terminal receives message, message is handled, according to reference information extraction data information.Server end and client
Analytic message, the data information for including according to reference are complete by data update to available data storage unit after extracting data
At the transmission process of data.Such as above message, after receiving terminal receives the above message information, according to reference PT1102ARCD/
RDRE1.RcdMade.StVal reads the first item numerical value of data line, is read according to PT1102ARCD/RDRE1.RcdMade.q
The Section 2 numerical value of data line reads the Section 3 numerical value of data line according to PT1102ARCD/RDRE1.RcdMade.t, then
Parse the concrete numerical value of stVal, q, t respectively according to the meaning of reference.
Specifically, under a kind of specific environment, for main website and client transmissions current value, quality factor, temporal information,
The reference description of electric current i, quality factor q, time t are established respectively.LD information is set as PT1102ARCD, LN information is MMXN1,
DO information is Amp1.Then current value, quality factor, time corresponding reference information are：
The reference of current value is PT1102ARCD/MMXN1.Amp1.mag.f；
The reference of quality factor is PT1102ARCD/MMXN1.Amp1.q；
The reference of temporal information is PT1102ARCD/MMXN1.Amp1.t.
User end to server transmission data includes current value 5A quality factor 0, time 2014-06- by message transmissions
25 09:27.5.123456 data, then corresponding message information be：
PT1102ARCD/MMXN1.Amp1.mag.f
PT1102ARCD/MMXN1.Amp1.q
PT1102ARCD/MMXN1.Amp1.t
Float 5.000000
BITS 0000-0015:0000000000000
UTC 2014-06-25 09:27.5.123456 Timequality:00
Server is 5A according to reference PT1102ARCD/MMXN1.Amp1.f extraction current datas, according to PT1102ARCD/
It is 0 that MMXN1.Amp1.q, which extracts quality factor, is 2014-06-25 according to PT1102ARCD/MMXN1.Amp1.t extraction times
09:27.5.123456。
The advantages of this system：Reference mode is simple, is easy to parse；Data directory mode does not depend on both sides data set organization,
Message transmissions do not depend on data set organization, more flexible.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.The base of the present invention
This thinking is above-mentioned basic scheme, and for those of ordinary skill in the art, various changes are designed in introduction according to the present invention
The model of shape, formula, parameter do not need to spend creative work.It is right without departing from the principles and spirit of the present invention
The change, modification, replacement and modification that embodiment carries out are still fallen in protection scope of the present invention.
Claims (2)
1. a kind of improved method for the mapping of IEC61850 report services data communications, which is characterized in that steps are as follows：
A) data and the direct mapping relations of reference, are established；
B), the message of reference and data of the transmission with this mapping relations；
C), receiving terminal analytic message extracts the data information of minimum unit according to every reference information, and combination forms data；
The corresponding data of the reference use minimum unit data；
The minimum unit data are the attribute of data.
2. a kind of improved method for the mapping of IEC61850 report services data communications according to claim 1, special
Sign is, the mapping relations of reference and data, by logical device LD, logical node LN, data object DO, data object title DA
And BDA indicates the reference information of most basic unit, this reference information corresponds to unique data information.
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| CN201410576515.6A CN104283890B (en) | 2014-07-02 | 2014-10-24 | A kind of improved method for the mapping of IEC61850 report services data communications |
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| CN106021203B (en) * | 2016-05-26 | 2021-08-27 | 中国电力科学研究院有限公司 | Intelligent substation anti-misoperation lockout logic graphical expression method |
| CN107729546B (en) * | 2017-11-01 | 2020-04-17 | 南京国电南自电网自动化有限公司 | Method for splitting double-point information |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013732A (en) * | 2010-12-11 | 2011-04-13 | 思源电气股份有限公司 | Communication control method for intelligent oil chromatograph |
| CN103678522A (en) * | 2013-11-28 | 2014-03-26 | 许继电气股份有限公司 | Method for acquiring and converting data of metering system of intelligent transformer substation |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013732A (en) * | 2010-12-11 | 2011-04-13 | 思源电气股份有限公司 | Communication control method for intelligent oil chromatograph |
| CN103678522A (en) * | 2013-11-28 | 2014-03-26 | 许继电气股份有限公司 | Method for acquiring and converting data of metering system of intelligent transformer substation |
Non-Patent Citations (1)
| Title |
|---|
| DPWS as Specific Communication Service Mapping for IEC61850;José Lima, ET AL;《2011 9th IEEE International Conference on Industrial Informatics（INDIN）》;20111006;第193-198页 * |
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