CN104092655B - A kind of IEC104 safety remote control methods based on scheduling numbering certification - Google Patents
A kind of IEC104 safety remote control methods based on scheduling numbering certification Download PDFInfo
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- CN104092655B CN104092655B CN201410054487.1A CN201410054487A CN104092655B CN 104092655 B CN104092655 B CN 104092655B CN 201410054487 A CN201410054487 A CN 201410054487A CN 104092655 B CN104092655 B CN 104092655B
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Abstract
The present invention provides a kind of IEC104 safety remote control methods based on scheduling numbering certification, comprises the following steps：For the remote control remote regulating process of DL/T 634.5104 defines new ASDU type identifications and new ASDU forms；Scheduling number information of the new ASDU forms with remote control remote regulating object；Verified and the certification scheduling number information, and the remote control remote regulating implementation Process interception to having misplaced by plant stand.The present invention is expanded the relevant standard of IEC104 communication protocols, solve the problems, such as the mistake remote control triggered because plant stand None- identified information object address misplaces in the communication of the telemechanicals of IEC 104, the security reliability of remote control remote regulating process is ensure that, so as to improve the security of operation of power networks.
Description
Technical field
It is specifically a kind of based on scheduling numbering certification the present invention relates to telecontrol equipment and the transmission protocol technical field of system
IEC104 safety remote control methods.
Background technology
In power dispatching automation main station system between the plant stand telemechanical communication server, DL/ is used substantially at present
T634.5104 communication protocols, i.e.,《Telecontrol equipment and system 5-104 parts：Transmission protocol is using standard transmission protocol collection
IEC60870-5-101 network access》.The standard equally uses IEC60870-5-104 international standards, often referred to simply as
IEC104.IEC104 communication protocols are commonly used in the upload and remote control remote regulating for realizing the plant stand process variable information such as digital ＆ analog signal
Deng issuing for main website control command.
With the fast development of power network scale, management and running of the remote control remote regulating as dispatch automated system to power network are implemented
Control and the core technology supporting method of regulation, it appears become more and more important, and expect to obtain more universal application.However, remote control
The security reliability of the security reliability of remote regulating process, especially remote control process, it is current or unsatisfactory.It is mainly showed
It is that after dispatcher sends telecommand, the primary equipment of the final actual act of plant stand is not distant desired by dispatcher
That of control.No matter which kind of reason is based on, the remote control process for having misplaced will all directly affect the security of operation of power networks, or even lead
Cause the generation of serious consequence.Therefore, improve and ensure the security reliability of remote control remote regulating process, it is significant.
IEC104 communication protocol use information object address specifies a target device pair for remote control, remote regulating and setting
As.Either dispatching automation main station system（That is the control station of IEC104 communications）, or the plant stand telemechanical communication server（I.e.
The slave station of IEC104 communications）, communicating pair has the data types such as a information table, remote signalling, remote measurement, remote control, remote regulating each
Using relatively continuous information object address area, with complete relevant process variable in information object address and primary equipment or
Mutual conversion between controlled quentity controlled variable.Under normal circumstances, this two parts of information tables should be consistent, such as certain information object address
The corresponding device A in the information table of main website, the also corresponding device A in the information table of plant stand.
However, practical operating experiences show, information table is often resulted in during many reasons and inconsistent situation occurs.Still with above-mentioned
As a example by information object address, its still corresponding device A in the information table of main website may be adjusted in the information table of plant stand
Whole is corresponding device B.Now, if main website implements remote control to device A, plant stand according to the information object address given, finally but
Only equipment B can be implemented to control, so as to the dislocation of remote control process occur.Here it is in the communication of IEC104 telemechanicals, because of information pair
The mistake remote control problem triggered as address misplaces.
The essence for triggering remote control problem by mistake because information object address misplaces is, for main website and plant stand both sides,
The remote control remote regulating process of IEC104 communications lacks authentication information, and main website and plant stand both sides cannot recognize because of information object ground in time
Location misplaces and triggers remote control by mistake, more cannot in time terminate remote control by mistake, or remote control by mistake is implemented to intercept.
The content of the invention
It is an object of the invention to provide a kind of IEC104 safety remote control methods based on scheduling numbering certification, the method base
In the existing remote control remote regulating mechanism of IEC104 communication protocols, new ASDU type identifications and ASDU forms is defined by expanding
（ASDU is Application Service Data Unit Application service data units）, it is once set with band remote control remote regulating
The scheduling number information of standby destination object, for plant stand（That is slave station, similarly hereinafter）Verify and certification, so that plant stand can be timely
It was found that main website（That is control station, similarly hereinafter）Mistake remote control be intended to, and it is implemented intercept.
The technical scheme is that：
A kind of IEC104 safety remote control methods based on scheduling numbering certification, comprise the following steps：
（1）It is band scheduling number information on the basis of the existing remote control remote regulating ASDU type identifications of IEC104 communication protocols
Remote control remote regulating expand and define new ASDU type identifications；
（2）ASDU forms are defined for the ASDU type identifications of above-mentioned newly-increased definition are correspondingly increased newly, the newly-increased definition
The scheduling number information of the subsidiary primary equipment destination object of remote control remote regulating of ASDU forms；
（3）The remote control remote regulating of number information is dispatched using the ASDU type identifications of newly-increased definition and the band of ASDU forms,
In the interacting of main website and plant stand, using the order transmitting procedure completely the same with the remote control remote regulating of existing standard；
（4）The remote control remote regulating ASDU of band scheduling number information is sent to plant stand by main website, and the information for sending includes information pair
As address and the scheduling number information of corresponding primary equipment；
（5）The remote control remote regulating ASDU of band scheduling number information of the plant stand to receiving is verified and authentication processing, and to
Main website sends corresponding confirmation；
（6）Main website checks that the confirmation that plant stand is returned judgement is positive acknowledgment or NACK, if negative is true
Recognize, be then considered as the dislocation for having occurred that remote control remote regulating order, start corresponding subsequent treatment.
The described IEC104 safety remote control methods based on scheduling numbering certification, the step（2）In, the newly-increased definition
The also subsidiary remote control remote regulating of ASDU forms primary equipment destination object device type information.
The described IEC104 safety remote control methods based on scheduling numbering certification, the step（5）, specifically include following step
Suddenly：
（51）Remote control remote regulating amount of the plant stand inspection as specified by the information object address in ASDU whether there is, if correspondence
Certain primary equipment, and check the primary equipment corresponding to remote control remote regulating amount scheduling numbering whether with it is consistent in ASDU；
（52）If plant stand finds that the information object address in ASDU is not corresponding with certain primary equipment, or the primary equipment
Scheduling numbering with ASDU in it is inconsistent, then be considered as authentification failure, regard as there occurs the dislocation of remote control remote regulating order；
（53）Plant stand stops current remote control remote regulating selection course or remote control for the remote control remote regulating order of authentification failure
Remote regulating implementation procedure, and beam back corresponding NACK to main website.
As shown from the above technical solution, the invention provides a kind of IEC104 safety remote control sides based on scheduling numbering certification
Method, is DL/T 634.5104（That is IEC60870-5-104）Remote control remote regulating process define new ASDU type identifications and new
ASDU forms, new scheduling number information of the ASDU forms with remote control remote regulating object is verified the scheduling with certification and is compiled by plant stand
Number information, and remote control remote regulating implementation Process to having misplaced intercepts.The present invention is carried out to the relevant standard of IEC104 communication protocols
Expand, solve the mistake remote control triggered because plant stand None- identified information object address misplaces in the communication of the telemechanicals of IEC 104 and ask
Topic, it is ensured that the security reliability of remote control remote regulating process, so as to improve the security of operation of power networks.
Brief description of the drawings
Fig. 1 is flow chart of the method for the present invention；
Fig. 2 is the ASDU type identifications of newly-increased definition；
Fig. 3 is the scheduling number information in remote control remote regulating ASDU；
Fig. 4 is the device type code table of primary equipment；
Fig. 5 is the ASDU forms of type identification 145：C_SC_NB_1, the single command with scheduling number information；
Fig. 6 is the ASDU forms of type identification 146：C_DC_NB_1, the double orders with scheduling number information；
Fig. 7 is the ASDU forms of type identification 147：C_RC_NB_1, the step regulating command with scheduling number information；
Fig. 8 is the ASDU forms of type identification 148：C_SE_ND_1, the order that sets up an office with scheduling number information, normalization
Value；
Fig. 9 is the ASDU forms of type identification 149：C_SE_NE_1, the order that sets up an office with scheduling number information is upscaled
Value；
Figure 10 is the ASDU forms of type identification 150：C_SE_NF_1, the order that sets up an office with scheduling number information, short floating-point
Value；
Figure 11 is the ASDU forms of type identification 151：C_BO_NB_1,32 Bit Strings with scheduling number information；
Figure 12 is the ASDU forms of type identification 158：C_SC_TB_1, band scheduling number information and markers CP56Time2a
Single command；
Figure 13 is the ASDU forms of type identification 159：C_DC_TB_1, band scheduling number information and markers CP56Time2a
Double orders；
Figure 14 is the ASDU forms of type identification 160：C_RC_TB_1, band scheduling number information and markers CP56Time2a
Step regulating command；
Figure 15 is the ASDU forms of type identification 161：C_SE_TD_1, band scheduling number information and markers CP56Time2a
The order that sets up an office, normalized value；
Figure 16 is the ASDU forms of type identification 162：C_SE_TE_1, band scheduling number information and markers CP56Time2a
The order that sets up an office, upscaled value；
Figure 17 is the ASDU forms of type identification 163：C_SE_TF_1, band scheduling number information and markers CP56Time2a
The order that sets up an office, short floating point values；
Figure 18 is the ASDU forms of type identification 164：C_BO_TB_1, band scheduling number information and markers CP56Time2a
32 Bit Strings.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further illustrated with specific embodiment.
As shown in figure 1, a kind of IEC104 safety remote control methods based on scheduling numbering certification, comprise the following steps：
S1, on the basis of the existing remote control remote regulating ASDU type identifications of the communication protocols of IEC 104, the use of its is compatible in the future
The reservation region of definition, is that the new ASDU type identifications of definition are expanded in the remote control remote regulating with scheduling number information, as shown in Figure 2.
Each ASDU type identifications with scheduling number information, are broadly divided into three major types type for more than：
S11, remote control include：Dispatch single command, the double orders with scheduling number information, the band scheduling numbering letter of number information
The single command of breath and markers CP56Time2a, the double orders with scheduling number information and markers CP56Time2a；
S12, remote regulating include：Step regulating command with scheduling number information, band scheduling number information and markers
The step regulating command of CP56Time2a；
S13, setting include：Order-the normalized value that sets up an office with scheduling number information, the life that sets up an office with scheduling number information
Order-upscaled value, the order that the sets up an office-short floating point values with scheduling number information, band scheduling number information and markers CP56Time2a
The order-normalized value that sets up an office, with scheduling number information and markers CP56Time2a the order that sets up an office-upscaled value, band scheduling
The order that sets up an office of number information and markers CP56Time2a-short floating point values.
S2, the ASDU type identifications for newly-increased definition above are correspondingly increased newly and define ASDU forms, make them with band institute
The scheduling numbering of the primary equipment destination object of remote control remote regulating, the scheduling numbering of primary equipment uses character string forms, and altogether 10
Individual eight-bit group, to filling 00H in afterbody less than 10 eight-bit group；Meanwhile, with the primary equipment mesh of band institute remote control remote regulating
The device type information of object is marked, is represented using 2 eight-bit group, the corresponding bit of device type is set to 1, it is other
Bit is cleared to 0, as shown in Figure 4.So, all remote control remote regulating ASDU with scheduling number information are made, all in original remote control
On the basis of remote regulating ASDU, scheduling number information as shown in Figure 3 is trailed.The ASDU forms of all newly-increased definition include：
S21, the single command with scheduling number information, as shown in Figure 5；
S22, the double orders with scheduling number information, as shown in Figure 6；
S23, the step regulating command with scheduling number information, as shown in Figure 7；
S24, the order-normalized value that sets up an office with scheduling number information, as shown in Figure 8；
S25, the order that the sets up an office-upscaled value with scheduling number information, as shown in Figure 9；
S26, the order that the sets up an office-short floating point values with scheduling number information, as shown in Figure 10；
S27,32 Bit Strings with scheduling number information, as shown in figure 11；
S28, the single command with scheduling number information and markers CP56Time2a, as shown in figure 12；
S29, the double orders with scheduling number information and markers CP56Time2a, as shown in figure 13；
S210, the step regulating command with scheduling number information and markers CP56Time2a, as shown in figure 14；
S211, the order-normalized value that sets up an office with scheduling number information and markers CP56Time2a, as shown in figure 15；
S212, the order that the sets up an office-upscaled value with scheduling number information and markers CP56Time2a, as shown in figure 16；
S213, the order that the sets up an office-short floating point values with scheduling number information and markers CP56Time2a, as shown in figure 17；
S214,32 Bit Strings with scheduling number information and markers CP56Time2a, as shown in figure 18.
S3, the remote control remote regulating with scheduling number information, using the ASDU type identifications and ASDU forms of above-mentioned newly-increased definition,
The interactions such as selection, execution between main website and plant stand, then still with kept constant in the past；That is, continue using with
The completely the same order transmitting procedure of the remote control remote regulating of existing standard.
The remote control remote regulating in addition to registering its information object address, is also registered to each remote control remote regulating amount by S4, main website
The scheduling numbering and device type of the corresponding primary equipment of amount.Main website dispatches the remote control remote regulating of number information to the band of all outgoings
ASDU, either in the choice phase, or in the stage of execution, in addition to continuing to provide the original informations such as information object address,
The scheduling number information of corresponding primary equipment must also be additionally given.
S5, plant stand dispatch the remote control remote regulating ASDU of number information to the band received by each, either in selection rank
Section, or in the stage of execution, processed by following sub-step：
S51, must to it is incidental scheduling number information make extra verification and certification, specifically, at least including with
Lower sub-step：
The remote control remote regulating amount of S511, inspection as specified by the information object address in ASDU whether there is, if where is correspondence
Individual primary equipment；
S512, check the primary equipment corresponding to remote control remote regulating amount scheduling numbering whether with it is consistent in ASDU, with
And its device type whether with it is consistent in ASDU；
S513, other routine inspections.
S52, plant stand be not once which primary equipment the information object address in discovery ASDU corresponds to, or this once sets
It is inconsistent in standby scheduling numbering or device type and ASDU, that is, authentification failure is regarded as, regard as there occurs remote control remote regulating life
The dislocation of order.
S53, plant stand should stop current remote control remote regulating selection or remote control is distant for the remote control remote regulating order of authentification failure
Adjust implementation procedure, beam back corresponding NACK to main website as early as possible, and set its reason code for "<47>:=unknown information
Object address ".
S6, either in the choice phase, or in the stage of execution, main website must all the time check the confirmation that plant stand is returned,
It is affirmative or negative to check bottom.For NACK, the failure of remote control remote regulating process should be regarded as, and to reason code
For "<47>:The remote control remote regulating object of=unknown information object address " causes enough attention, is considered as having occurred and that
The dislocation of remote control remote regulating, and start corresponding subsequent treatment in time, such as：Alert relevant operator, log recording
Deng.
The above implementation method is only that the preferred embodiment of the present invention is described, not to model of the invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to technical side of the invention
Various modifications and improvement that case is made, all should fall into the protection domain of claims of the present invention determination.
Claims (2)
1. it is a kind of based on the IEC104 safety remote control methods for dispatching numbering certification, it is characterised in that to comprise the following steps：
（1）It is with the distant of scheduling number information on the basis of the existing remote control remote regulating ASDU type identifications of IEC104 communication protocols
The new ASDU type identifications of definition are expanded in control remote regulating；
（2）ASDU forms, the ASDU of the newly-increased definition are defined for the ASDU type identifications of above-mentioned newly-increased definition are correspondingly increased newly
The scheduling number information of the subsidiary primary equipment destination object of remote control remote regulating of form；
（3）The remote control remote regulating of number information is dispatched using the ASDU type identifications of newly-increased definition and the band of ASDU forms, in main website
With in the interacting of plant stand, using the order transmitting procedure completely the same with the remote control remote regulating of existing standard；
（4）The remote control remote regulating ASDU of band scheduling number information is sent to plant stand by main website, and the information for sending includes information object ground
Location and the scheduling number information of corresponding primary equipment；
（5）The remote control remote regulating ASDU of band scheduling number information of the plant stand to receiving is verified and authentication processing, and to main website
Send corresponding confirmation；
（6）Main website checks that the confirmation that plant stand is returned judgement is positive acknowledgment or NACK, if NACK,
Then it is considered as the dislocation for having occurred that remote control remote regulating order, starts corresponding subsequent treatment；
The step（5）, specifically include following steps：
（51）Remote control remote regulating amount of the plant stand inspection as specified by the information object address in ASDU whether there is, if correspond to certain
Primary equipment, and check the primary equipment corresponding to remote control remote regulating amount scheduling numbering whether with it is consistent in ASDU；
（52）If plant stand find ASDU in information object address it is not corresponding with certain primary equipment, or the primary equipment tune
Degree numbering with ASDU in it is inconsistent, then be considered as authentification failure, regard as there occurs the dislocation of remote control remote regulating order；
（53）Plant stand stops current remote control remote regulating selection course or remote control remote regulating for the remote control remote regulating order of authentification failure
Implementation procedure, and beam back corresponding NACK to main website.
2. according to claim 1 based on the IEC104 safety remote control methods for dispatching numbering certification, it is characterised in that：It is described
Step（2）In, the equipment class of the primary equipment destination object of the also subsidiary remote control remote regulating of ASDU forms of the newly-increased definition
Type information.
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| CN106972624B (en) * | 2016-01-14 | 2020-08-21 | 华东电网有限公司 | Power telecontrol reliable control method and system based on address self-checking |
| CN109615841A (en) * | 2018-12-21 | 2019-04-12 | 国网思极神往位置服务（北京）有限公司 | Beidou multi-user card data transmission device and transmission method applied to FTU |
| CN110932401A (en) * | 2019-12-05 | 2020-03-27 | 国网辽宁省电力有限公司锦州供电公司 | Method for improving safety of remote control high-voltage switch |
| CN113992763A (en) * | 2021-08-30 | 2022-01-28 | 国网浙江省电力有限公司宁波供电公司 | Method for adding remote control object code verification in measurement and control device |
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| CN102496072A (en) * | 2011-12-19 | 2012-06-13 | 国电南瑞科技股份有限公司 | System for estimating distributive state of intelligent transformer station |
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|---|---|---|---|---|
| CN101604870A (en) * | 2009-07-14 | 2009-12-16 | 攀枝花电业局 | The extended method of power system IEC 60870-5-101/104 standards |
| CN101944769A (en) * | 2010-07-16 | 2011-01-12 | 北京中科伏瑞电气技术有限公司 | Wind power transmission protocol |
| CN101917067A (en) * | 2010-08-13 | 2010-12-15 | 华北电力大学（保定） | Method for integrating power equipment state monitoring devices |
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