CN104113415A - Tele-control wireless channel system for debugging and control of power system - Google Patents
Tele-control wireless channel system for debugging and control of power system Download PDFInfo
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- CN104113415A CN104113415A CN201410268872.6A CN201410268872A CN104113415A CN 104113415 A CN104113415 A CN 104113415A CN 201410268872 A CN201410268872 A CN 201410268872A CN 104113415 A CN104113415 A CN 104113415A
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Abstract
The invention relates to a tele-control wireless channel system for debugging and control of a power system, which is used for enabling a sub power grid of a newly-built substation to be accessed to a main power grid of the power system and enabling interconnection and interworking to be realized. The system is characterized in that the main power grid comprises a first gateway and a first terminal, wherein the first gateway and the first terminal are physically connected via an RS232 communication cable or connected via a protocol between the two. The sub power grid comprises a second gateway and a second terminal, wherein the second gateway and the second terminal are physically connected via the RS232 communication cable or connected via the protocol between the two. Mutual access is realized between the sub power grid and the main power grid via GPRS or CDMA network connection. The invention also discloses a method of accessing the main power grid by the second terminal and a method of accessing the sub power grid by the first terminal. The system eliminates defects that the debugging time is tense, the debugging task is heavy and a series of safety hidden dangers are caused due to the fact that channel construction lags behind and meets the actual demands.
Description
Technical field
The present invention relates to a kind of telemechanical radio channel system for electric power system debugging control, belong to power system automation technology field.
Background technology
The debugging of automation of transformation substations telecontrol information is the work that must complete before newly-built transformer station goes into operation, and must wait and could debug after the supporting communications optical cable of transformer station is opened in the past.In recent years, because the capital construction construction of line is obstructed seriously, often go into operation and a few days ago just can get through optical-fibre channel to newly-built transformer station, the debug time of leaving automation telecontrol information for is very urgent.For this reason, relevant communication, automation, protective debugging personnel all need to work extra shifts or extra hours all through the night, once debugging has some setbacks, will affect capital construction operation progress.Meanwhile, owing to being pressed for time, pressure is large, tends to produce many leftover problems, brings potential safety hazard.
In addition, being subject to the impact of geographical position, geology and geomorphology factor and weather and climate change, is not that Mei Zuo transformer station is all applicable to the supporting communications optical cable of building.Due to factors such as wire communication facility investment are large, the cycle is long, and mobility is poor, and reusing is low simultaneously, in the time of concrete enforcement and budget transformer station, have these factors are taken into account.
For another example, the frequent geological disaster occurring is easy to cause the supporting communications optical cable of transformer station to damage, and is easy to break down, and under limited time and geographical conditions restriction, in time communications optical cable and transformer station is repaired and just seems very urgent.Existing wire communication mode in electric power system, obviously cannot practical requirement.
Summary of the invention
The deficiency that the present invention exists for prior art just, provides a kind of telemechanical radio channel system for electric power system debugging control.
For addressing the above problem, the technical solution used in the present invention is as follows:
A kind of telemechanical radio channel system for electric power system debugging control, be used in the main electrical network of the sub-electrical network access electric power system of newly-built transformer station, and realize and interconnecting, it is characterized in that, described main electrical network comprises: the first gateway and first terminal, the first gateway and first terminal are connected by RS232 telecommunication cable physical connection or by agreement each other, described sub-electrical network comprises: the second gateway and the second terminal, the second gateway and the second terminal are connected by RS232 telecommunication cable physical connection or by agreement each other, between described sub-electrical network and main electrical network, connect and realize access mutually by GPRS or cdma network,
Described the first gateway comprises:
First receives transmitter module, for identifying the request of first terminal, encapsulates encryption to the first encrypting and decrypting module its request msg; And for the encrypted data of the first encrypting and decrypting module being sent to GPRS or the cdma network of wireless connections;
The first identification module, the encapsulation enciphered data sending for antithetical phrase electrical network is carried out identification;
The first encrypting and decrypting module, encapsulates encryption for the request msg that the first reception transmitter module is identified; And be decrypted for the data that the second encrypting and decrypting module package is encrypted, and be reduced into initial data;
Described the second gateway comprises:
Second receives transmitter module, for identifying the second terminal uploading data and request thereof, encapsulates encryption to the second encrypting and decrypting module its transfer of data; And receive the encapsulation enciphered data that main electrical network sends, and carry out identification to the second identification module encapsulation encrypted data transmission;
The second identification module, carries out identification for the encapsulation enciphered data that main electrical network is sent;
The second encrypting and decrypting module, for encapsulating encryption by the second terminal uploading data and request thereof; And be decrypted for the data that the first encrypting and decrypting module package is encrypted, and be reduced into initial data.
For a method for main electrical network described in the second terminal access described in the telemechanical radio channel system of electric power system debugging control, comprise the following steps:
Step SP1: the second terminal connects the second gateway, and send and connect main electrical network request to the second gateway, and data upload to the second gateway the second terminal being gathered by software;
Step SP2: second in the second gateway receives transmitter module and identify the second terminal uploading data and request thereof, encapsulate encryption to the second encrypting and decrypting module its transfer of data, the second encrypting and decrypting module package returns to the second reception transmitter module after encrypting again;
Step SP3: the second reception transmitter module is sent to encrypted data GPRS or the cdma network of wireless connections, identifies and be sent to main electrical network by its addressing;
Step SP4: first in the first gateway receives transmitter module and receive the encapsulation enciphered data that sub-electrical network sends, and carry out identification to the first identification module encapsulation encrypted data transmission;
Step SP5: the first identification module carries out authentication identification pass through after, the transfer of data that encapsulation is encrypted is given the first encrypting and decrypting module, be decrypted by the first encrypting and decrypting module, and reduction is through the initial data of the second encrypting and decrypting module package encryption.
For a method for the described sub-electrical network of the access of first terminal described in the telemechanical radio channel system of electric power system debugging control, comprise the following steps:
Step SP1: first terminal connects the first gateway, and send the request of connexon electrical network to the first gateway, and allow the first gateway identify the demand of first terminal by software;
Step SP2: first in the first gateway receives the request of transmitter module identification first terminal, encapsulates encryption to the first encrypting and decrypting module its request msg, and the first encrypting and decrypting module package returns to the first reception transmitter module after encrypting again;
Step SP3: the first reception transmitter module is sent to encrypted data GPRS or the cdma network of wireless connections, identifies and be sent to sub-electrical network by its addressing;
Step SP4: second in the second gateway receives transmitter module and receive the encapsulation enciphered data that main electrical network sends, and carry out identification to the second identification module encapsulation encrypted data transmission;
Step SP5: the second identification module carries out authentication identification pass through after, the transfer of data that encapsulation is encrypted is given the second encrypting and decrypting module, be decrypted by the second encrypting and decrypting module, and reduction is through the initial data of the first encrypting and decrypting module package encryption.
Compared with prior art, implementation result of the present invention is as follows in the present invention:
1, compared with the construction of existing optical fiber occasional passage, telemechanical radio channel system small investment of the present invention, flexibility is strong, the debugging of automation telecontrol information can be gone into operation and get involved in advance in transformer station early stage, and discovery signals error of transmission early, solves the communication issue of newly-built transformer station as early as possible, this system has been broken and has first been set up communication port, then the traditional mode of debugging, has eliminated because the lag behind debug time that causes of passage construction is tight, the heavy and a series of safe drawback that causes of debugging task;
2, telemechanical radio channel system of the present invention, to automation system for the power network dispatching continuously, safety, stable operation provides favourable guarantee, also make the troubleshooting that telecontrol information interrupts carry out quick emergency recovery, shorten the time of fault, telecontrol equipment operation ratio, dispatch automated system operation ratio are all improved accordingly, to strengthening power communication anti-disaster ability, guaranteeing that telemechanical communication service is unimpeded has a great meaning;
3, telemechanical radio channel system of the present invention, TCP/IP network communications technology, data compression encryption technology and USB KEY authentication techniques are merged, realize and adopt various ways long-range access under the prerequisite ensuring information security whenever and wherever possible, and do any change without applied environment or software;
4, telemechanical radio channel system of the present invention, realize the intercommunication of two or more long-range private networks, the more important thing is the confidentiality and integrity that ensures communication, resist from the security threat on internet, in the process of setting up by telemechanical communication gate, carry out the authentication based on digital certificate, all communication datas all adopt ciphertext transmission, ensure confidentiality and the safe transmission of data;
5, telemechanical radio channel system of the present invention, key device adopts the safe practices such as technical grade server, the certification of power scheduling specific credentials, fire compartment wall, data compression encryption, remote access product is authenticated, information to transmission is carried out compress-encrypt and digital signature, and scope and the resource of security strategy to access is set limits, by audit log, its access is carried out to detailed record, to improve the intensity of electric power secondary system security protection, ensure accountability and the traceability of long-range access;
6, telemechanical radio channel system of the present invention, except can be used as newly-built automation of transformation substations debugging, can also serve as telemechanical escape truck uses, once occur communications optical cable fault, start main website telemechanical communication gate equipment (plant stand end equipment is enabled always), can guarantee that remote action data is unimpeded, not affect operations staff and normally monitor;
7, telemechanical radio channel system of the present invention, mainboard adopts professional industrial control mainboard 104-1649CLD2NA, and its reliability is high, and stability is strong, for the Capital Construction Debugging operating efficiency that improves communication, telemechanical specialty, shorten area power grid and there is positive effect abnormal running time.
Brief description of the drawings
Fig. 1 is telemechanical radio channel system configuration schematic diagram of the present invention;
Fig. 2 is the first intra-gateway structural representation of the present invention;
Fig. 3 is the second intra-gateway structural representation of the present invention;
Fig. 4 is telemechanical radio channel system in package ciphering process structural representation of the present invention.
Embodiment
Content of the present invention is described below in conjunction with specific embodiments.
Be illustrated in figure 1 telemechanical radio channel system configuration schematic diagram of the present invention, telemechanical radio channel system of the present invention, be used for the sub-electrical network 200 of newly-built transformer station to access in the main electrical network 100 of electric power system, and realize and interconnecting, and can realize the functions such as inquiry, editor, amendment, manipulation.Described main electrical network 100 comprises: the first gateway 110 and first terminal 120, the first gateway 110 and first terminal 120 are connected by RS232 telecommunication cable physical connection or by agreement each other, described sub-electrical network 200 comprises: the second gateway 210 and the second terminal 220, similarly, the second gateway 210 and the second terminal 220 are connected by RS232 telecommunication cable physical connection or by agreement each other, between described sub-electrical network 200 and main electrical network 100, are connected and are realized access mutually by GPRS or cdma network.
As shown in Figures 2 and 3, in telemechanical radio channel system of the present invention, described the first gateway 110 comprises: first receives transmitter module 111, the first identification module 112 and the first encrypting and decrypting module 113, and described the second gateway 210 comprises: second receives transmitter module 211, the second identification module 212 and the second encrypting and decrypting module 213.
Telemechanical radio channel system of the present invention, the course of work that the second terminal 220 is accessed main electrical network 100 is as follows:
Step SP1: the second terminal 220 connects the second gateway 210, and send the main electrical network 100 of connection to the second gateway 210 and ask, and data upload to the second gateway 210 the second terminal 220 being gathered by software;
Step SP2: second in the second gateway 210 receives transmitter module 211 and identify the second terminal 220 uploading datas and request thereof, encapsulate encryption to the second encrypting and decrypting module 213 its transfer of data, the second encrypting and decrypting module 213 encapsulation return to the second reception transmitter module 211 after encrypting again;
Step SP3: the second reception transmitter module 211 is sent to encrypted data GPRS or the cdma network of wireless connections, identifies and be sent to main electrical network 100 by its addressing;
Step SP4: first in the first gateway 110 receives transmitter module 111 and receive the encapsulation enciphered data that sub-electrical network 200 sends, and carry out identification to the first identification module 112 encapsulation encrypted data transmission;
Step SP5: the first identification module 112 carries out authentication identification pass through after, the transfer of data that encapsulation is encrypted is given the first encrypting and decrypting module 113, be decrypted by the first encrypting and decrypting module 113, and reduction is through the initial data of the second encrypting and decrypting module 213 encapsulation encryptions.So far, sub-electrical network 200 is communicated with main electrical network 100, and effectively carries out transfer of data.
In the time that main electrical network 100 needs to inquire about, edits, revises, manipulates in sub-electrical network 200 data, first terminal 120 need to be accessed sub-electrical network 200, and its main working process is as follows:
Step SP1: first terminal 120 connects the first gateway 110, and send connexon electrical network 200 to the first gateway 110 and ask, and allow the first gateway 110 identify the demand of first terminal 120 by software;
Step SP2: the reception of first in the first gateway 110 transmitter module 111 is identified the request of first terminal 120, encapsulate encryption to the first encrypting and decrypting module 113 its request msg, the first encrypting and decrypting module 113 encapsulation return to the first reception transmitter module 111 after encrypting again;
Step SP3: the first reception transmitter module 111 is sent to encrypted data GPRS or the cdma network of wireless connections, identifies and be sent to sub-electrical network 200 by its addressing;
Step SP4: second in the second gateway 210 receives transmitter module 211 and receive the encapsulation enciphered data that main electrical network 100 sends, and carry out identification to the second identification module 212 encapsulation encrypted data transmission;
Step SP5: the second identification module 212 carries out authentication identification pass through after, the transfer of data that encapsulation is encrypted is given the second encrypting and decrypting module 213, be decrypted by the second encrypting and decrypting module 213, and reduction is through the initial data of the first encrypting and decrypting module 113 encapsulation encryptions.So far, main electrical network 100 is communicated with sub-electrical network 200, and effectively carries out transfer of data.
Telemechanical radio channel system of the present invention, the first encrypting and decrypting module 113 and the second encrypting and decrypting module 213 are to data encapsulation ciphering process schematic diagram as shown in Figure 4.Because its ciphering process is identical, below the course of work of only encrypting with the first encrypting and decrypting module 113 encapsulation be elaborated.First receives transmitter module 111 identifies after the request of first terminal 120, encapsulates encryption to the first encrypting and decrypting module 113 first terminal 120 request msgs.The first encrypting and decrypting module 113 gathers: the application layer data that first terminal 120 transmission come, and affix transport layer header and IP header data, entirety forms initial IP message data.In initial IP message data, source IP address and object IP address are respectively the address (for example: 192.168.2.0/24----192.168.0.0/24) of two networks, the first encrypting and decrypting module 113 encapsulates these data again, add new IP head and IP(Internet Protocol) head, source IP address and object IP address are 202.2.2.2----203.3.3.3, and after encrypting like this, formation can supply and the new IP message data transmitting.
Telemechanical radio channel system of the present invention, telemechanical radio channel is after uniting and adjustment success, and we have carried out on-the-spot test in certain 220kV transformer station first to this passage, and index of correlation result is as follows:
Above data show: telemechanical radio channel system data transmission security of the present invention meets the relevant regulations such as Electricity Monitoring Commission's 5 commands " electric power secondary system security protection requirement " and " electric power secondary system security protection overall plan ", ", center, county-level scheduling secondary Safe Protection scheme " and " transformer station secondary system security protection scheme ".Operation of Electric Systems channel parameters all meets the relevant regulations such as DL/T 5003-2005 " dispatching automation of electric power systems designing technique code ", DL/T 5002-2005 " regional power grid scheduling the Automation Design technical regulation ", DL/T 516-2006 " automation system for the power network dispatching operational management code ", DL/T 550-94 " regional power grid scheduling automation function specification " and " the practical examination detailed rules and regulations of area power dispatching automation system ", respectively detects index and meets the practical requirement of dispatching automation.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (3)
1. the telemechanical radio channel system for electric power system debugging control, be used in the main electrical network (100) of sub-electrical network (200) the access electric power system of newly-built transformer station, and realize and interconnecting, it is characterized in that, described main electrical network (100) comprising: the first gateway (110) and first terminal (120), the first gateway (110) and first terminal (120) are connected by RS232 telecommunication cable physical connection or by agreement each other, described sub-electrical network (200) comprising: the second gateway (210) and the second terminal (220), the second gateway (210) and the second terminal (220) are connected by RS232 telecommunication cable physical connection or by agreement each other, between described sub-electrical network (200) and main electrical network (100), connect and realize access mutually by GPRS or cdma network,
Described the first gateway (110) comprising:
First receives transmitter module (111), for identifying the request of first terminal (120), encapsulates encryption to the first encrypting and decrypting module (113) its request msg; And for the encrypted data of the first encrypting and decrypting module (113) being sent to GPRS or the cdma network of wireless connections;
The first identification module (112), the encapsulation enciphered data sending for antithetical phrase electrical network (200) is carried out identification;
The first encrypting and decrypting module (113), encapsulates encryption for the request msg that the first reception transmitter module (111) is identified; And be decrypted for the data that the second encrypting and decrypting module (213) encapsulation is encrypted, and be reduced into initial data;
Described the second gateway (210) comprising:
Second receives transmitter module (211), for identifying the second terminal (220) uploading data and request thereof, encapsulates encryption to the second encrypting and decrypting module (213) its transfer of data; And receive the encapsulation enciphered data that main electrical network (100) sends, and will encapsulate encrypted data transmission and carry out identification to the second identification module (212);
The second identification module (212), carries out identification for the encapsulation enciphered data that main electrical network (100) is sent;
The second encrypting and decrypting module (213), for encapsulating encryption by the second terminal (220) uploading data and request thereof; And be decrypted for the data that the first encrypting and decrypting module (113) encapsulation is encrypted, and be reduced into initial data.
2. an a kind of method for main electrical network described in the second terminal access described in the telemechanical radio channel system of electric power system debugging control as claimed in claim 1, is characterized in that, comprises the following steps:
Step SP1: the second terminal (220) connects the second gateway (210), and send and connect main electrical network (100) request to the second gateway (210), and data upload to the second gateway (210) the second terminal (220) being gathered by software;
Step SP2: second in the second gateway (210) receives transmitter module (211) identification the second terminal (220) uploading data and request thereof, encapsulate encryption to the second encrypting and decrypting module (213) its transfer of data, the second encrypting and decrypting module (213) encapsulation returns to the second reception transmitter module (211) after encrypting again;
Step SP3: the second reception transmitter module (211) is sent to encrypted data GPRS or the cdma network of wireless connections, identifies and be sent to main electrical network (100) by its addressing;
Step SP4: first in the first gateway (110) receives transmitter module (111) and receive the encapsulation enciphered data that sub-electrical network (200) sends, and will encapsulate encrypted data transmission and carry out identification to the first identification module (112);
Step SP5: the first identification module (112) carries out authentication identification pass through after, the transfer of data that encapsulation is encrypted is given the first encrypting and decrypting module (113), be decrypted by the first encrypting and decrypting module (113), and reduction is through the initial data of the second encrypting and decrypting module (213) encapsulation encryption.
3. an a kind of method for the described sub-electrical network of the access of first terminal described in the telemechanical radio channel system of electric power system debugging control as claimed in claim 1, is characterized in that, comprises the following steps:
Step SP1: first terminal (120) connects the first gateway (110), and send connexon electrical network (200) request to the first gateway (110), and allow the first gateway (110) identify the demand of first terminal (120) by software;
Step SP2: first in the first gateway (110) receives the request of transmitter module (111) identification first terminal (120), encapsulate encryption to the first encrypting and decrypting module (113) its request msg, the first encrypting and decrypting module (113) encapsulation returns to the first reception transmitter module (111) after encrypting again;
Step SP3: the first reception transmitter module (111) is sent to encrypted data GPRS or the cdma network of wireless connections, identifies and be sent to sub-electrical network (200) by its addressing;
Step SP4: second in the second gateway (210) receives transmitter module (211) and receive the encapsulation enciphered data that main electrical network (100) sends, and will encapsulate encrypted data transmission and carry out identification to the second identification module (212);
Step SP5: the second identification module (212) carries out authentication identification pass through after, the transfer of data that encapsulation is encrypted is given the second encrypting and decrypting module (213), be decrypted by the second encrypting and decrypting module (213), and reduction is through the initial data of the first encrypting and decrypting module (113) encapsulation encryption.
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| CN201410268872.6A CN104113415A (en) | 2014-06-16 | 2014-06-16 | Tele-control wireless channel system for debugging and control of power system |
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| CN114584300A (en) * | 2022-03-02 | 2022-06-03 | 中国科学院国家授时中心 | Encryption and decryption method and system for bidirectional time service |
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| CN107976973B (en) * | 2016-10-24 | 2022-07-12 | 费希尔-罗斯蒙特系统公司 | Secure process control communication |
| CN107976973A (en) * | 2016-10-24 | 2018-05-01 | 费希尔-罗斯蒙特系统公司 | The process control communication of safety |
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| US11700232B2 (en) | 2016-10-24 | 2023-07-11 | Fisher-Rosemount Systems, Inc. | Publishing data across a data diode for secured process control communications |
| CN107889165A (en) * | 2017-12-18 | 2018-04-06 | 广东电网有限责任公司江门供电局 | Mobile substation free wireless public LTE network scheduling termination high-speed communication system and method |
| CN109257375A (en) * | 2018-11-01 | 2019-01-22 | 北京信息科技大学 | A kind of internet access authentication system and method based on trust anchor system |
| CN109257375B (en) * | 2018-11-01 | 2021-12-28 | 北京信息科技大学 | Internet access authentication system and method based on trust anchor system |
| CN110035335A (en) * | 2019-03-29 | 2019-07-19 | 国家电网有限公司 | A method of for creating the debugging of substation's telecontrol information |
| CN113709178A (en) * | 2021-09-06 | 2021-11-26 | 河南能睿科技有限公司 | Data security transmission system for intelligent substation |
| CN114172739A (en) * | 2021-12-14 | 2022-03-11 | 杭州数梦工场科技有限公司 | Gateway communication method, device, electronic equipment and storage medium |
| CN114172739B (en) * | 2021-12-14 | 2024-01-26 | 杭州数梦工场科技有限公司 | Gateway communication method, device, electronic equipment and storage medium |
| CN114584300A (en) * | 2022-03-02 | 2022-06-03 | 中国科学院国家授时中心 | Encryption and decryption method and system for bidirectional time service |
| CN114584300B (en) * | 2022-03-02 | 2024-02-02 | 中国科学院国家授时中心 | Encryption and decryption method and system for bidirectional time service |
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Application publication date: 20141022 |