CN108833392A - A kind of substation based on packet parsing information is automatically to point methods - Google Patents
A kind of substation based on packet parsing information is automatically to point methods Download PDFInfo
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- CN108833392A CN108833392A CN201810578334.5A CN201810578334A CN108833392A CN 108833392 A CN108833392 A CN 108833392A CN 201810578334 A CN201810578334 A CN 201810578334A CN 108833392 A CN108833392 A CN 108833392A
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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
- H04L69/22—Parsing or analysis of headers
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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
- H04L69/26—Special purpose or proprietary protocols or architectures
Abstract
The present invention provides a kind of substation based on packet parsing information automatically to point methods, its Power telecontrol system includes the telemechanical apparatus of substation's station level, the telemechanical apparatus of scheduling station and the communication network between it, station level is communicated with telemechanical apparatus by MMS message, it is related to the facility information at station end, and scheduling station and telemechanical apparatus then pass through telemechanical communication protocol IEC60870-5-104 message and carry out information exchange, be related to four remote signalling breath, with solve existing substation manually to point or semi-artificial heavy workload, low efficiency, low accuracy to point the problems such as.The invention belongs to intelligent substation fields.
Description
Technical field
The present invention relates to a kind of substations based on packet parsing information automatically to point methods, belongs to intelligent substation neck
Domain.
Background technique
The accuracy of automation of transformation substations information be scheduling station to substation's reliably monitoring with high safety, protection it is important
The important prerequisite of guarantee and power grid security, stable operation, but the debugging of automation of transformation substations information is still traditional change at present
Power station to debug point by point, manually to based on point, needs transformer substation end to check one by one with scheduling station end coordinated point methods
Each regulation and controlling of information, this mode have the following disadvantages：
1）Vary with each individual to the quality of work, human negligence is inevitable, caused by hidden danger can not find in time, when hidden danger send out
Loss is often had resulted in now.
2）Low to point efficiency, since the information of substation is more and more, manual debugging is huge to the workload of point, often shadow
Ring the operation progress of substation.
3）Due to the manually otherness semantic with computer identification semantic to identification, such as " 2 sections of distance " and " distance II
The difference of section " will leave hidden danger for the subsequent application of data.
4）Automatic test is the consistency of detection data longitudinal direction at present, the consistency and rule lateral for data description
Plasticity is not tested.
5）Since the network transmission of telecontrol information is there are certain delay, the shorter telecontrol information of time interval can exist
Interference is received, it is possible that the case where judging by accident, failing to judge.
Summary of the invention
It is an object of the invention to：A kind of substation based on packet parsing information is provided automatically to point methods, to solve
Existing substation manually to point or semi-artificial heavy workload, low efficiency, low accuracy to point the problems such as.
To solve the above problems, such a substation based on packet parsing information of proposed adoption is automatically to point methods, electricity
Power telecontrol system includes the telemechanical apparatus of substation's station level, the telemechanical apparatus of scheduling station and the communication network between it, is stood
Control layer is communicated with telemechanical apparatus by MMS message, and the facility information at station end is related to, and scheduling station then leads to telemechanical apparatus
It crosses telemechanical communication protocol IEC60870-5-104 message and carries out information exchange, be related to four remote signalling breath, the specific method is as follows：
1）MMS packet parsing, extracts the object information that contains in MMS message, including " service type ", " domain ", " service result ",
" service time "；
2）SCD file parsing, extracts and stores the station end equipment information model contained in SCD file, including " logical device ",
" device data ", " data attribute "；
3）The mapping of MMS message and SCD file passes through the facility information mould in the object information " domain " and SCD file of MMS message
Type " logical device " maps one by one, successive according to " service time ", sequentially generates transformer substation end to a table, content includes " right
Image information ", " device data ", data category（DataAtrribute）, " service type ", " service result ", " service time "；
4）IEC60870-5-104 packet parsing, extract message in " information body address ", " remote signalling value ", " telemetry value ", " when telemechanical
Between "；
5）Dispatching point table is obtained, and according to the " imformosome of " data point number " and IEC60870-5-104 message in dispatching point table
Address " maps one by one, successive according to " telemechanical time ", sequentially generates scheduling station end to a table, content includes " data point
Number ", " data name ", " remote signalling value ", " telemetry value ", " telemechanical time "；
6）Transformer substation end is introduced into an automatic Proofreading link to table to table and scheduling station, complete substation to a work
Make.
In preceding method, it is based on IEC61850 standard, intelligent substation takes the mode of object-oriented to set to all in station
Standby information model, equipment running status information and the primary system structural information of substation carries out unified information modeling,
It is followed successively by server, logical device, logical node, data, data attribute from top to bottom to constitute, and be stored in SCD file, together
When, IEC61850 the standard formulation information model mapping of IEC61850 to MMS, the information model of IEC61850 respectively correspond
Virtual manufacturing device, domain and naming variable list in MMS model, MMS message is to execute related service based on object, with right
The domain of elephant is come the object information for the service of transmitting, wherein the domain of MMS message and the logical device of SCD file information model can be one by one
It is corresponding.
In preceding method, automatically in link, by end of standing to table based on, it is successive according to " service time ",
One by one " device data " and " data attribute " in calibration information whether with dispatching terminal to the letter of " telemechanical time " same in table
Whether " data name ", " remote signalling value ", " telemetry value " in breath are consistent, if unanimously, carrying out the check and correction of next information, otherwise, then
Illustrate that difference occurs in the facility information stored in the facility information and scheduling station point table at station end, needs to report the information of main website to have
Accidentally.
Compared with prior art, the present invention can automatically extract the object information of message, be automatically performed to work, cancel
Manual type efficiently solves the problems, such as that tradition is low to heavy workload, the accuracy of work, reliability is low, avoids artificial
The interference of factor effectively increases substation to the efficiency of work, reduce to a certain extent substation to a cost, this
Outside, automatically point methods have also been borrowed with signal and message incidence relation based on temporal information, has enhanced action signal, telemechanical letter
Number, the association of MMS message and IEC60870-5-104 message, avoid more action signals in the short time, more remote motion signals, more reports
The information interference of text, improves the accuracy to work, meanwhile, the information that packet parsing obtains is the information mould of object-oriented
Type not only has detected the consistency of data longitudinal direction, but also further inspection data can describe lateral consistency and specification
Property.
Detailed description of the invention
Fig. 1 is Power telecontrol system communication construction figure；
Fig. 2 is MMS message and SCD file associated diagram；
Fig. 3 is IEC104 message and dispatching point table associated diagram；
Fig. 4 is temporal information correlation model figure；
Fig. 5 is automatic to a flow chart based on packet parsing；
Fig. 6 is automatically to a flow chart.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
The detailed description of step, it should be understood that described herein specific examples are only used to explain the present invention, is not used to limit this hair
It is bright.
Embodiment：
Referring to attached drawing 1 to 6, the present embodiment provides a kind of substations based on packet parsing information automatically to point methods.
1. electric power kinematic system communication construction
Power telecontrol system includes the telemechanical apparatus of substation's station level, the telemechanical apparatus of scheduling station and the communication network between it
Network（Interchanger, telecommunication optical fiber etc.）, basic framework is as shown in Figure 1.
Station level is communicated with telemechanical apparatus by MMS message, the facility information at the end that is related to standing, and scheduling station and remote
Dynamic device then passes through telemechanical communication protocol IEC60870-5-104 message and carries out information exchange, is related to four remote signalling breath.
2. message information model
Based on IEC61850 standard, intelligent substation take the mode of object-oriented to stand in all devices information model, set
Standby running state information and the primary system structural information of substation carry out unified information modeling, are followed successively by clothes from top to bottom
Business device（Sever）, logical device（Logical-device）, logical node（Logical-node）, data（Data）, data category
Property（DataAtrribute）It constitutes, and is stored in SCD（Substation Configuration Description）In file.
Meanwhile IEC61850 the standard formulation information model mapping of IEC61850 to MMS, the information model of IEC61850 respectively correspond
The virtual manufacturing device in MMS model（Virtual Manufacturing Device, VMD）, domain（Domain）And name
Variable list（NamedVariableList）.MMS message is to execute related service based on object, with the domain of object
（Domain）Come the object information for the service of transmitting.Wherein, the domain of MMS message（Domain）With the logic of SCD file information model
Equipment（Logical-device）It can correspond, as shown in Figure 2.
In scheduling station side, scheduling station has recorded whole stations with the information such as " data name ", " data point number ", " plant stand name "
The title and relevant parameter of end equipment are stored in " point table ".And IEC60870-5-104 message does not have station end equipment
Physical parameter information and operation real time information, but a certain station end equipment name is identified with " information body address ".Wherein,
" data point number " in the point table of information body address and scheduling station in IEC60870-5-104 message can correspond, and such as scheme
Shown in 3.
In transformer substation end, for an action signal, there may be a plurality of MMS messages for substation's station level；It is similar, needle
To a remote motion signal, there may be a plurality of IEC60870-5-104 messages at scheduling station end.Therefore action signal and telemechanical letter
Number, MMS message and IEC60870-5-104 message be not simple one-one relationship, but the complex relationship of multi-to-multi.It is this
Complicated corresponding relationship, can cause information to interfere work substation, reduce the accuracy to work.According to substation
The analysis of automated information flow point, can MMS message for the same action signal or the same remote motion signal and
IEC60870-5-104 message has identical temporal information.For example, for an action signal, station level can be action signal
Actuation time be recorded in service time of MMS message, equally, telemechanical apparatus receives MMS message.Parsing MMS message simultaneously extracts
Service time is recorded in IEC60870-5-104 message in the form of target when imformosome, therefore, acts on same action signal
MMS message and IEC60870-5-104 message have identical service time information and imformosome time scale information.Based on the time
Information, can be action signal, and remote motion signal, MMS message and IEC60870-5-104 message are associated, as shown in Figure 4.
The specific implementation flow of this method is as follows：
1）MMS packet parsing extracts the object information contained in MMS message, including " service type ", " domain（Domain）", " clothes
Business result ", " service time " etc..
2）SCD file parsing, extracts and stores the station end equipment information model contained in SCD file, including " logical device
（Logical-device）", " device data（Data）", " data attribute（DataAtrribute）" etc..
3）The mapping of MMS message and SCD file passes through the object information " domain of MMS message（Domain）" with SCD file in
Facility information model " logical device（Logical-device）" map one by one, it is successive according to " service time ", successively give birth to
At transformer substation end to a table, content includes " object information ", " device data（Data）", data attribute（DataAtrribute）,
" service type ", " service result ", " service time ".
4）IEC60870-5-104 packet parsing extracts " information body address " in message, " remote signalling value ", " telemetry value ", " remote
Dynamic time " etc..
5）Dispatching point table is obtained, and according to the " letter of " data point number " and IEC60870-5-104 message in dispatching point table
Breath body address " maps one by one, successive according to " telemechanical time ", sequentially generates scheduling station end to a table, content includes " data
Point number ", " data name ", " remote signalling value ", " telemetry value ", " telemechanical time ".
6）Transformer substation end is introduced into an automatic Proofreading link to table to table and scheduling station, completes pair of substation
Point work.
As shown in fig. 6, automatically in link, by end of standing to table based on, it is successive according to " service time ", by
" device data " and " data attribute " in calibration information whether with dispatching terminal to the information of " telemechanical time " same in table
In " data name ", " remote signalling value ", " telemetry value " it is whether consistent.If consistent, otherwise the check and correction for carrying out next information is then said
There is difference in the facility information stored in the facility information and scheduling station point table at bright station end, needs to report the information of main website to have
Accidentally.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (3)
1. a kind of substation based on packet parsing information is automatically to point methods, it is characterised in that：Power telecontrol system includes becoming
The telemechanical apparatus of power station station level, the telemechanical apparatus of scheduling station and the communication network between it, station level and telemechanical apparatus are logical
It crosses MMS message to be communicated, is related to the facility information at station end, and scheduling station and telemechanical apparatus then pass through telemechanical communication protocol
IEC60870-5-104 message carries out information exchange, is related to four remote signalling breath, the specific method is as follows：
1）MMS packet parsing, extracts the object information that contains in MMS message, including " service type ", " domain ", " service result ",
" service time "；
2）SCD file parsing, extracts and stores the station end equipment information model contained in SCD file, including " logical device ",
" device data ", " data attribute "；
3）The mapping of MMS message and SCD file passes through the facility information mould in the object information " domain " and SCD file of MMS message
Type " logical device " maps one by one, successive according to " service time ", sequentially generates transformer substation end to a table, content includes " right
Image information ", " device data ", data category（DataAtrribute）, " service type ", " service result ", " service time "；
4）IEC60870-5-104 packet parsing, extract message in " information body address ", " remote signalling value ", " telemetry value ", " when telemechanical
Between "；
5）Dispatching point table is obtained, and according to the " imformosome of " data point number " and IEC60870-5-104 message in dispatching point table
Address " maps one by one, successive according to " telemechanical time ", sequentially generates scheduling station end to a table, content includes " data point
Number ", " data name ", " remote signalling value ", " telemetry value ", " telemechanical time "；
6）Transformer substation end is introduced into an automatic Proofreading link to table to table and scheduling station, complete substation to a work
Make.
2. a kind of substation based on packet parsing information is automatically to point methods according to claim 1, it is characterised in that：?
Automatically in link, by end of standing to table based on, successive according to " service time ", " equipment in calibration information one by one
Data " and " data attribute " whether with dispatching terminal to " data name ", " remote signalling in the information of " telemechanical time " same in table
Whether value ", " telemetry value " consistent, if unanimously, carrying out the check and correction of next information, otherwise, then the facility information at the end that illustrates to stand with
There is difference in the facility information stored in scheduling station point table, needs to report the information of main website wrong.
3. a kind of substation based on packet parsing information is automatically to point methods according to claim 1, it is characterised in that：Base
In IEC61850 standard, intelligent substation takes the mode of object-oriented to run the information model of all devices, equipment in standing
Status information and the primary system structural information of substation carry out unified information modeling, be followed successively by from top to bottom server,
Logical device, logical node, data, data attribute are constituted, and are stored in SCD file, meanwhile, IEC61850 standard formulation
The information model mapping of IEC61850 to MMS, the Visual Manufacturing that the information model of IEC61850 respectively corresponds in MMS model are set
Standby, domain and naming variable list, MMS message is to execute related service based on object, with the domain of object come pair for the service of transmitting
Image information, wherein the domain of MMS message and the logical device of SCD file information model can correspond.
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Cited By (5)
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| CN110689220A (en) * | 2019-08-20 | 2020-01-14 | 国网山东省电力公司莱芜供电公司 | Automatic counter-point machine for realizing dispatching automation |
| CN112350869A (en) * | 2020-11-06 | 2021-02-09 | 广东电网有限责任公司 | Method and system for detecting point-to-point time response performance of substation automation system |
| CN112436961A (en) * | 2020-11-12 | 2021-03-02 | 贵州电网有限责任公司 | IEC 104-based message visual analysis method |
| CN114095492A (en) * | 2021-11-16 | 2022-02-25 | 许昌许继软件技术有限公司 | Data transmission method and system for main and sub-stations of power system and electronic equipment |
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| CN114915639A (en) * | 2022-05-06 | 2022-08-16 | 华润新能源(阜新)风能有限公司 | Method, device, electronic equipment and medium for analyzing messages of scheduling channel special for electric power |
| CN114915639B (en) * | 2022-05-06 | 2024-04-05 | 华润新能源(阜新)风能有限公司 | Method, device, electronic equipment and medium for analyzing message of power dedicated scheduling channel |
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Application publication date: 20181116 |