CN105656194A - Remote blocking-deblocking management system and management method for relay protection device - Google Patents
Remote blocking-deblocking management system and management method for relay protection device Download PDFInfo
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- CN105656194A CN105656194A CN201410699792.6A CN201410699792A CN105656194A CN 105656194 A CN105656194 A CN 105656194A CN 201410699792 A CN201410699792 A CN 201410699792A CN 105656194 A CN105656194 A CN 105656194A
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Abstract
The invention provides a remote blocking-deblocking management system and management method for a relay protection device. The system comprises a sampling terminal and a motion terminal. The sampling terminal includes a sampling unit and is connected with the motion terminal by a communication unit. The motion terminal includes a central processor, a blocking-deblocking switching unit, and an alarm unit; the blocking-deblocking switching unit and the alarm unit are connected with the central processor; the blocking-deblocking unit includes a remote blocking-deblocking soft pressing plate module and a motion counting module. According to the invention, the field operation by the staff is not required, so that a manual error during the operation can be avoided. The structure is novel; installation becomes convenient; and the investment cost is low. The collection unit can determine the protection motion automatically and remote control of the protection motion can be carried out by using a power grid public server; and support data can be provided for normal management operation and the economic benefits and high-quality service social benefits are obvious. Meanwhile, an effective assistance means can be provided for automatic and specialized power grid operation and the production management level is improved.
Description
Technical field
The present invention relates to relay protection remote control management technical field, particularly relate to the throwing of an a kind of protective relaying device distant place and move back management system and management method.
Background technology
The overall process of relay protection action is a systematic work process; management is moved back in the throwing of traditional relay protection; it is to the on-the-spot manual mode adjusted after being had a power failure by staff; realize protection throwing to move back and fixed value modification; although the protection device of most of domestic protection producers; a distant place can be realized do not have a power failure setting function, but owing to not having the system of complete set these relay protection device constant value can be carried out unified management, so having still resulted in a lot of wastings of resources and economic loss.
Application number be 200910168261.6 Chinese patent disclose a kind of relay protecting method and device, the method includes: calculate opposite end bucking voltage according to line distribution capacitance and shunt reactor parameter; What acquisition Remote protection system was sent far jumps signal, and described remote jumping signal sends when breaking down in opposite end; According to described remote jumping signal, calculated described opposite end bucking voltage and preset to terminal voltage setting valve, it is judged that whether tripping local terminal chopper after the delayed setting time. The method and device can obtain more accurately local terminal being implemented relay protection.
Application number be 201110072343.5 Chinese patent belong to the supervising device of power industry power transmission and transformation, particularly to a kind of relay protection outlet trip(ping) circuit breakage remote monitoring arrangement, including protection connection circuit (1), it also includes device and controls connection circuit (2), and device controls connection circuit (2) and including: photoelectrical coupler G1, G2, logic converter U, trigger U1, no door U3, U4 and door U2, U5, U6, resistance R3 ~ R9, diode D1 ~ D4, display lamp T1 ~ T3; The invention has the beneficial effects as follows: protection act signal and protection disconnection signal output can be delivered to RTU by relay protection outlet trip(ping) circuit breakage remote monitoring arrangement; signal delivers to dispatching terminal computer the most at last; and take dispatching terminal computer real-time time; when dispatching operator on duty and finding there is trip(ping) circuit disconnection signal; notify the relevant personnel in time; operation of power networks accident can be avoided to greatest extent, it is ensured that electric power netting safe running.
Application number be 201110106352.1 Chinese patent relate to a kind of reclosing remote putting on/off relay, the normally closed contact (K-2) of switch is selected by the spot/distant place, control two-position relay (J6) to return so that it is normally closed contact (J6-2, J6-3) closes, receive distant place throwing and move back order;And control intermediary element (J1, J2) action being connected respectively with normally closed contact (J6-2, J6-3), control normal opened contact (J1-1) or (J2-1) Guan Bi, make two-position relay (J3) action of corresponding connection or come back for distant place input or exit reclosing. Or, on the spot/distant place selecting the normally closed contact (K-1) of switch, switching relay enters local operation state. The present invention realizes three-phase single shot reclosing on transmission line of electricity and dispatching remote control is thrown and moved back reclosing function, can match with relay protection, and the chopper being switched off closes a floodgate automatically again; If fault is permanent, then again trip after overlapping, and no longer overlap; And according to the method for operation, scheduling can require that a distant place controls reclosing function, thus saving workload.
By above-mentioned documents, we can be on its basis, there is provided an a kind of distant place to throw and move back management mode, by setting up relay protection network in dispatching patcher, alleviate the work load of operation maintenance personnel, reduce the operation and maintenance cost realization on-line monitoring to secondary device, truly realize transformer station's unmanned, improve grid automation operation level, improve work efficiency, strengthen the reliability of operation of power networks.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem; there is provided an a kind of protective relaying device distant place to throw and move back management system and management method; it is mainly used in scheduling station and concentrator station; by the long-range control to relay protection; significantly facilitate the workload of operation maintenance personnel; reduce power off time, economic benefit and good service social benefit obvious simultaneously.
For achieving the above object, the technical solution used in the present invention is: an a kind of protective relaying device distant place is thrown and moved back management system, including sampling end and motion end; Described sampling end includes collecting unit, is connected with described motion end by communication unit; Described motion end includes central processing unit and switch unit, alarm unit are moved back in the throwing that is connected with central processing unit respectively, and described throwing is moved back switch unit and included a distant place and throw and move back soft pressing plate module and movement counting module.
The throwing of a described distant place is moved back soft pressing plate module and is included definite value mark module, definite value handover module, fixed value modification module and remote reset module.
Described movement counting module includes digit counter.
Described collecting unit includes transformer group and connected data collecting card, and described transformer group is arranged at the end of incoming cables of protective relaying device, and described central processing unit includes terminal and memorizer.
Described communication unit includes fiber optic data communication interface and wireless transport module, and described wireless transport module includes GSM digital transmission module and CDMA digital transmission module.
Described alarm unit includes audible-visual annunciator, man-machine interaction display and remote interface, and described remote interface includes data adapter unit, and is connected with protective relaying device.
An a kind of protective relaying device distant place is thrown and is moved back management method, comprises the steps: to arrange transformer group at protective relaying device place, including voltage transformer and current transformer, gathers the protection voltage of side, current signal; Signal will be gathered by communication unit and send into central processing unit, and be moved back switch unit by throwing and carry out action judgement and stroking technique; Alarm unit carries out signal reception, and man-machine interaction mode realizes information and shows and warning function; Action and alarm signal enter the public server of grid relay protective apparatus at different levels through remote interface, and constitute distributed Design Integrative Network Structure, complete the exchange of values between each network, it is achieved the sharing application of data.
In intelligent substation, due to the networking in the loop such as signal, control, hard pressing plate also just disappears along with the disappearance of cable loop, and the function of soft pressing plate is then greatly reinforced, and importance also promotes therewith.The core of the present invention is through the central processing unit judgement to gathering signal; realize remotely throwing of relay protection and move back function; throwing is moved back action and is relied primarily on the soft pressing plate function that terminal auxiliary realizes; soft pressing plate refers to that certain function of software system is thrown and moves back, and such as puts into and exits certain protection and control function. Generally the software control word to revise Microcomputer Protection realizes; for hard pressing plate; instead of protection device this conventional module of contact external wiring; can be easier to make defencive function and action outlet normally play a role; it is mainly by the software logic strengthening of encapsulation subprogram, it is achieved function is thrown the control moving back and exporting signal.
Whether the correct operation of protective relaying device, and correct, the action message of relay protection of power system and the safe operation of electrical network are had very important effect. The superiority of the present invention program is mainly reflected in the following aspects:
1) ageing. Remote dispatching is according to power supply mode needs, it is possible to quickly realizes the method for operation switching of protection device, is greatly saved manpower financial capacity, it is to avoid loaded down with trivial details definite value change flow, improves work efficiency.
2) safety. Man-machine interactive interface, makes remote operation and modification more directly perceived, and confirms through operation and check, it is ensured that operation correctness, thus being greatly improved the safety of follow-up operation.
3) convenience. Operator are under the public server system of electrical network, home-confined, utilize computer operation just can complete the sequence of operations of protective relaying device.
4) reliability. What collecting unit provided is the on-the-spot firsthand information, accurately and reliably, can be prevented effectively from maloperation, decrease line outage number of times and time, improve power supply reliability, it is to avoid few loss of supply, also improves power department overall labour productivity simultaneously.
The present invention need not arrange personnel on site to operate; avoid the personal error phenomenon occurred in operation; novel structure, easy for installation, cost of investment is low; collecting unit can be passed through and automatically judge protection act; by electrical network public server, protection act can also remotely being controlled, support data for managing properly functioning offer, economic benefit and good service social benefit are obvious; provide effective supplementary means for operation of power networks automatization and specialization simultaneously, improve production management level.
Accompanying drawing explanation
Fig. 1 is present system structural representation.
Detailed description of the invention
As it is shown in figure 1, an a kind of protective relaying device distant place is thrown and is moved back management system, including sampling end and motion end; Sampling end includes collecting unit 1, is connected with motion end by communication unit 4; Motion end includes central processing unit 9 and switch unit, alarm unit are moved back in the throwing that is connected with central processing unit respectively, throws and moves back switch unit and include a distant place and throw and move back soft pressing plate module and movement counting module; Distant place throwing is moved back soft pressing plate module and is included definite value mark module 10, definite value handover module 11, fixed value modification module 12 and remote reset module 13; Movement counting module includes digit counter 14; Collecting unit includes transformer group 2 and connected data collecting card 3, and transformer group is arranged at the end of incoming cables of protective relaying device, and central processing unit includes terminal and memorizer; Communication unit includes fiber optic data communication interface 5 and wireless transport module 6, and wireless transport module includes GSM digital transmission module 7 and CDMA digital transmission module 8; Alarm unit includes audible-visual annunciator 15, man-machine interaction display 16 and remote interface 17, and remote interface is connected with protective relaying device.
In being embodied as, in the point of incoming cables of protective relaying device, transformer group is set, including voltage transformer and current transformer, gather the protection voltage of side, current signal, the action response of protective relaying device, come from the electrical action of protection device itself on the one hand, relate to amendment and the artificial action that staff carries out according to actual needs on the other hand; Therefore, this system will be gathered signal by communication unit on the one hand and send into central processing unit, and moved back switch unit carry out the metering of action judgement and action frequency by throwing, on the other hand, communication unit can receive remotely modifying definite value or action drives instruction, and modified to throwing the parameter moving back switch unit by central processing unit, complete the sequence of operations such as definite value labelling, switching, remote reset; When action response occurs, alarm unit carries out signal reception, and man-machine interaction mode realizes information and shows and warning function; Action and alarm signal enter the public server of grid relay protective apparatus at different levels through remote interface, and constitute distributed Design Integrative Network Structure, complete the exchange of values between each network, it is achieved the sharing application of data.
When reaching protection act value through processor analysis; throwing is moved back switch unit and is transmitted alarm signal to alarm unit; start sound and light alarm; staff nearby is reminded to note; alarm unit can also connect data display unit; the display pattern of man-machine interactive receives the analysis and resolution that control module, thus action process or protection operational development are proposed the effect of directiveness by field personnel.
Remote interface communication technology Network Based, including data adapter unit, connects protective relaying device on the one hand. It is connected with the data/address bus of public server on the other hand, possesses connection data source, realize importing, export function, safety certification function, encrypting and decrypting function, data-transformation facility, the DLL data/address bus of data adapter unit Connection Service device, as the gateway of data transmit-receive/forwarding, is responsible for the data transmission under whole network environment specially. Source data is sent in bus by adapter by data source, and bus is changed stipulations according to data and source data is converted to purpose data, and purpose subsystem then obtains, by data adapter unit, the purpose data changed on bus.
Group-net communication connection is carried out with the webserver, data can be changed state and be integrated into respective universal form with operating state by central processing unit, its process is in that with flexible report definition, and the data in different pieces of information source can be extracted, cleaned, processing, after layout, that presents to distributed integrated network in a pre-defined format accepts end, i.e. management and maintenance work personnel. Can carrying out the report generation of relay protection constant value and working value in the terminal of central processing unit, its dependence is all-purpose financial statements software system, shows component and Report Forms Service including Report Designer, form; All-purpose financial statements software system can provide Visual Report Forms design interface, complete the design work of various form, support form resource is carried out unified management, for all kinds of forms then can visual report customization pattern, definition data source, data source definitions process supports script exploitation, what provide SQL script writes function etc., it is possible to be transmitted in display terminal by remote interface.
Claims (7)
1. a protective relaying device distant place is thrown and is moved back management system, it is characterised in that: include sampling end and motion end;Described sampling end includes collecting unit, is connected with described motion end by communication unit; Described motion end includes central processing unit and switch unit, alarm unit are moved back in the throwing that is connected with central processing unit respectively, and described throwing is moved back switch unit and included a distant place and throw and move back soft pressing plate module and movement counting module.
2. a protective relaying device distant place as claimed in claim 1 is thrown and is moved back management system, it is characterised in that: the throwing of a described distant place is moved back soft pressing plate module and is included definite value mark module, definite value handover module, fixed value modification module and remote reset module.
3. a protective relaying device distant place as claimed in claim 1 is thrown and is moved back management system, it is characterised in that: described movement counting module includes digit counter.
4. a protective relaying device distant place as claimed in claim 1 is thrown and is moved back management system; it is characterized in that: described collecting unit includes transformer group and connected data collecting card; described transformer group is arranged at the end of incoming cables of protective relaying device, and described central processing unit includes terminal and memorizer.
5. a protective relaying device distant place as claimed in claim 1 is thrown and is moved back management system, it is characterised in that: described communication unit includes fiber optic data communication interface and wireless transport module, and described wireless transport module includes GSM digital transmission module and CDMA digital transmission module.
6. a protective relaying device distant place as claimed in claim 1 is thrown and is moved back management system; it is characterized in that: described alarm unit includes audible-visual annunciator, man-machine interaction display and remote interface; described remote interface includes data adapter unit, and is connected with protective relaying device.
7. a protective relaying device distant place is thrown and is moved back management method, it is characterised in that: comprise the steps: to arrange transformer group at protective relaying device place, including voltage transformer and current transformer, gather the protection voltage of side, current signal; Signal will be gathered by communication unit and send into central processing unit, and be moved back switch unit by throwing and carry out action judgement and stroking technique; Alarm unit carries out signal reception, and man-machine interaction mode realizes information and shows and warning function; Action and alarm signal enter the public server of grid relay protective apparatus at different levels through remote interface, and constitute distributed Design Integrative Network Structure, complete the exchange of values between each network, it is achieved the sharing application of data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410699792.6A CN105656194A (en) | 2014-11-28 | 2014-11-28 | Remote blocking-deblocking management system and management method for relay protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410699792.6A CN105656194A (en) | 2014-11-28 | 2014-11-28 | Remote blocking-deblocking management system and management method for relay protection device |
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| CN105656194A true CN105656194A (en) | 2016-06-08 |
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| CN201410699792.6A Pending CN105656194A (en) | 2014-11-28 | 2014-11-28 | Remote blocking-deblocking management system and management method for relay protection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106655520A (en) * | 2017-02-14 | 2017-05-10 | 国网辽宁省电力有限公司 | Method for ensuring safe and reliable execution of relay protection remote operation |
| CN112039205A (en) * | 2020-08-28 | 2020-12-04 | 国网河南省电力公司技能培训中心 | Remote local switch with remote authorization control function and mode control method |
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| CN1972054A (en) * | 2006-10-26 | 2007-05-30 | 天津理工大学 | A relay protection system which can distinguish short-circuit and harmonic and its working method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655520A (en) * | 2017-02-14 | 2017-05-10 | 国网辽宁省电力有限公司 | Method for ensuring safe and reliable execution of relay protection remote operation |
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| CN112039205A (en) * | 2020-08-28 | 2020-12-04 | 国网河南省电力公司技能培训中心 | Remote local switch with remote authorization control function and mode control method |
| CN112039205B (en) * | 2020-08-28 | 2024-02-27 | 国网河南省电力公司技能培训中心 | Remote on-site switch with remote authorization control function and mode control method |
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Application publication date: 20160608 |