CN107332349B - A kind of online O&M method and system of secondary equipment of intelligent converting station - Google Patents

A kind of online O&M method and system of secondary equipment of intelligent converting station Download PDF

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Publication number
CN107332349B
CN107332349B CN201710685111.4A CN201710685111A CN107332349B CN 107332349 B CN107332349 B CN 107332349B CN 201710685111 A CN201710685111 A CN 201710685111A CN 107332349 B CN107332349 B CN 107332349B
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CN
China
Prior art keywords
pressing plate
soft pressing
intelligent
throwing
equipment
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CN201710685111.4A
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Chinese (zh)
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CN107332349A (en
Inventor
李乃永
陈雪峰
王震
景莉
刘子明
葛颂
吴秋丽
赵斌超
王昕�
吴金玉
Original Assignee
国网山东省电力公司泰安供电公司
国网山东省电力公司
国家电网公司
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Priority to CN201710685111.4A priority Critical patent/CN107332349B/en
Publication of CN107332349A publication Critical patent/CN107332349A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/0006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks
    • H02J13/0013Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations

Abstract

The invention discloses a kind of online O&M method and system of secondary equipment of intelligent converting station, it is proposed the advanced application of the soft pressing plate of intelligent station, abnormal intelligent alarm is moved back including soft pressing plate standardized designs and the throwing of soft pressing plate, by the realization of this function, the complexity and uncertainty of the maintenance of intelligent substation O&M can be reduced.It is proposed protective device sequence operation simultaneously, realize that protection throws to move back and pacify and arrange " one-touch " sequence of isolation, by cure protective device throw regress it is rapid, effectively reduce pacify arrange during maloperation risk.Above technical scheme carries out pilot in certain 220kV intelligent substation, and operation conditions is preferable, and high degree improves the intelligent level of substation.It fully considers the configuration of expansion spacing intelligent apparatus at a specified future date and proposition " alternative " concept, reduces power off time during reorganization and expansion at a specified future date, and modeled based on 61850 standards of IEC, be this strategy implement based theoretical of later stage.

Description

A kind of online O&M method and system of secondary equipment of intelligent converting station
Technical field
The present invention relates to the online O&M technical field of secondary equipment of intelligent converting station more particularly to a kind of intelligent substations two The online O&M method and system of secondary device.
Background technology
In recent years, communication network technology the application for developing into intelligent substation and popularization create condition so that power transformation The intelligence degree stood is continuously improved.Intelligent substation, instead of the hardwire of traditional substation, is relay by three layer of two net The maintenance and status monitoring for protecting equipment create good technique condition.
Intelligent substation replaces the hardwire of traditional substation by optical-fibre communications, and traditional second loop return wiring is expressed For sightless abstract network message, the workload of operation maintenance personnel and the possibility of maintenance error are increased.It is normally transported in power grid Row change working, peace arrange soft pressing plate when isolation, maintenance and reorganization and expansion to need frequent operation, and traditional substation passes through hard soft pressing plate Throwing is moved back moves back to complete the throwing of defencive function, and such mode of the soft pressing plate of intelligent station is no longer applicable under network traffic conditions, this causes Operation maintenance personnel is difficult in adapt to.
By transformer substation sequence control function, a series of breaker, disconnecting switch and ground connection back brake can be automatically performed Operation, the final conversion for realizing substation between operating status, hot stand-by duty, cold standby state and inspecting state.Although become Power station sequence is used widely, but the throwing of protective device is moved back and peace arranges execution still using operation order form, this mode work Make inefficiency and easily malfunction.
And substation sequence control operation at present is controlled primarily directed in terms of operating status for the operation order of protective device Aspect research is less.
Invention content
The purpose of the present invention is exactly to solve the above-mentioned problems, to provide a kind of online O&M of secondary equipment of intelligent converting station Method and system, this method and system propose that abnormal intelligent alarm is moved back in soft pressing plate standardized designs and the throwing of soft pressing plate, pass through this work( The realization of energy can reduce the complexity and uncertainty of the maintenance of intelligent substation O&M.It is proposed protective device sequence operation simultaneously, It realizes that protection throws to move back and pacify and arranges " one-touch " sequence of isolation, thrown by curing protective device and regressed suddenly, effectively reduced peace and arrange The risk of maloperation in the process.
To achieve the above object, concrete scheme of the invention is as follows:
The invention discloses a kind of online O&M method of secondary equipment of intelligent converting station, including:
(1) the soft pressing plate of secondary equipment of intelligent converting station is subjected to Uniform Name and definition according to standard rule, to soft pressure Plate is standardized design;
(2) state of moving back is thrown to the soft pressing plate function declaration and normal operating mode of secondary equipment of intelligent converting station to examine Core, will audit the soft pressing plate function declaration after ratifying and state typing background monitoring system is moved back in normal operating mode throwing;
(3) the soft pressing plate timing automatic detecting of whole station or by hand tour carry out intelligence to out of repair soft pressing plate Alarm;
(4) all soft pressing plates of relay protection device of intelligent substation are controlled according to the operation logic and rule of setting, from The dynamic operation completed soft pressing plate throwing and moved back, changes the operating status of protective relaying device, realizes that the throwing of protective relaying device operation stops Sequence.
Further, the online O&M method of secondary equipment of intelligent converting station disclosed by the invention, further includes not have a power failure and changes expansion Strategy is built, specially:
For the intelligent apparatus for not building line segregation of not yet type selecting, including:Route protection, intelligent terminal, combining unit;
Any satisfactory intelligent apparatus is set as " scapegoat's device ", it is only necessary to which configure the line protection, intelligence are eventually End and combining unit are sent to GOOSE, SV service of bus protection;
When carrying out the system configuration of reconstruction and extension project, new equipment is upper in the original location to replace scapegoat's device.
Further, before newly-built station puts into operation, soft pressing plate is moved back for all whole throwings for not building line segregation and is set as exiting shape State;
During the system configuration of development reconstruction and extension project, soft pressing plate will be moved back corresponding to the new upper whole throwing being spaced and be set as input shape State.
Further, the reorganization and expansion strategy that do not have a power failure is modeled the present invention is based on IEC 61850, concrete methods of realizing For:
Step 1:Logical node divides
Which function the requirement of route protection clear and definite first, intelligent terminal and combining unit scapegoat's device specifically has, then Determine which function of scapegoat's device needs to carry out data exchange with other intelligent apparatus, then by each data exchange that needs Function Decomposition is logical node (LN);
The data set of the fixed intelligent apparatus that GOOSE, SV information are sent out to bus protection, title, number including data set According to the sequence and quantity of set member;
Step 2:Construction logic equipment
After the function of specifying scapegoat's device, the logical device class mould of multiple logical nodes is included for scapegoat's device structure Type realizes the communication between multiple logical nodes;
Step 3:Establish server model
Scapegoat's device is modeled as a server model, during later stage reorganization and expansion, is directly replaced with new equipment Body device.
Further, in the step (1), state and configuration to soft pressing plate are patterned displaying:To different soft Pressing plate is distinguished using the icon of different colours;For easily obscuring soft pressing plate, special marking is done at soft pressing plate, and in soft pressure Ad hoc region is explained beside plate region.
Further, in the step (1), set soft pressing plate essential information have access to figure and soft pressing plate throwing move back component;
The soft pressing plate throwing is moved back component and is included:Operations staff's operating area, service personnel's operating area, soft pressing plate mark are said The bright and soft pressing plate function declaration that easily malfunctions;
The soft pressing plate essential information is had access to figure and is included:Title, soft pressing plate function are retouched in soft pressing plate background computer title, device It states, the throwing of soft pressing plate functional schematic, soft pressing plate normal operating mode is moved back.
Further, in the step (2), to the soft pressing plate function declaration and normal operation of secondary equipment of intelligent converting station Mode throws the method that the state of moving back is audited:
1) the typing soft pressing plate title consistent with scene, and indicate the soft pressing plate for needing to illustrate;
2) function declaration of all soft pressing plates is submitted, error-prone soft pressing plate is stressed;
3) it is whether complete accurate to check soft pressing plate information, if so, entering in next step;Otherwise, return to step 2);
4) it writes normal soft pressing plate throwing and moves back state diagram, whether the normal soft pressing plate throwing of review moves back correct;If so, into next Step;Otherwise, return to step 3);
5) whether audit is qualified comprising the soft pressing plate definition graph that soft pressing plate information and normal soft pressing plate throwing move back state, if It is that audit is completed;Otherwise, return to step 2).
Further, in the step (3), the soft pressing plate timing automatic detecting of whole station or by hand tour, and ratify with audit Normal operating mode throw the state of moving back be compared, if the normal condition from definition is different, pop up which window annunciator prompts soft Pressing plate is in abnormal state.
Further, the specific method of the step (4) is:
According to regulatory requirements, formulate secondary safety measure and perform flow;
It is examined through expert and cures safety measure and perform flow;
It is automatic by peace according to prespecified operation logic and rule by the single operation order of background monitoring system Full measure performs flow and completes the operation that soft pressing plate throwing is moved back, final to change protective relaying device operating status.
The invention also discloses a kind of online operational system of secondary equipment of intelligent converting station, including:
For the soft pressing plate of secondary equipment of intelligent converting station to be carried out Uniform Name and definition according to standard rule, to soft pressure Plate is standardized the device of design;
It is examined for throwing the state of moving back to the soft pressing plate function declaration and normal operating mode of secondary equipment of intelligent converting station The device of core moves back state typing background monitoring system for will audit the soft pressing plate function declaration after ratifying and normal operating mode throwing The device of system;
For pressing plate timing automatic detecting soft to whole station or manual tour, intelligence is carried out to out of repair soft pressing plate The device that can be alarmed;
For controlling all soft pressing plates of relay protection device of intelligent substation according to the operation logic and rule of setting, from The dynamic operation completed soft pressing plate throwing and moved back, changes the operating status of protective relaying device, realizes that the throwing of protective relaying device operation stops The device of sequence.
Further, for the intelligent apparatus for not building line segregation of not yet type selecting, intelligent substation secondary of the present invention is set Standby online operational system further includes:
Scapegoat's device, scapegoat's device are any satisfactory intelligent apparatus, including:Route protection, intelligence Terminal, combining unit;
Scapegoat's device only need configure the line protection, intelligent terminal and combining unit be sent to bus protection GOOSE, SV is serviced;
In the system configuration for carrying out reconstruction and extension project, new equipment is above replaced to the device of scapegoat's device in the original location.
Beneficial effects of the present invention:
The present invention proposes the state of soft pressing plate and the graphical representation of configuration, throws that move back the soft pressing plate such as abnormal intelligent alarm advanced Using to reduce the complexity and uncertainty of the maintenance of intelligent substation O&M.
The present invention proposes " one-touch " sequence, by curing a series of operation of soft pressing plates, completes the automatic of protective device Throwing moves back and pacifies the automatic execution arranged;Operating personnel can be helped to perform complicated operation task by sequential control, by traditional behaviour It is transformed into task ticket as ticket, realizes complex operations one-key operation, operating efficiency can be greatly improved and reduces the risk of maloperation, contracting Short handling time, especially effect is more notable in extensive high voltage intelligent substation.
" scapegoat's device " (route protection, intelligence is configured in newly-built station period, the concept of proposition " scapegoat's device " in the present invention Terminal and combining unit) GOOSE, SV for being sent to bus protection service and cure the data set for issuing bus protection, while base It is modeled in IEC61850 standards;During later stage reorganization and expansion, " scapegoat's device " directly is replaced with new equipment, and continue to use " scapegoat The title of device " and all kinds of services etc., to ensure to reduce power off time during reorganization and expansion.
Description of the drawings
Fig. 1 moves back state approval process figure for soft pressing plate function declaration and normal operating mode throwing;
Fig. 2 forms schematic diagram for standby spacing modeler model;
Fig. 3 has access to figure for soft pressing plate essential information;
Fig. 4 is soft pressing plate inspection alarm figure;
Fig. 5 transports row sequence operation figure for line maintenance;
Fig. 6 is single -step operation state diagram during sequence;
Fig. 7 arranges for peace and visualizes schematic diagram.
Specific embodiment:
The present invention is described in detail below in conjunction with the accompanying drawings:
The invention discloses a kind of online O&M method of secondary equipment of intelligent converting station, including:
(1) the soft pressing plate of secondary equipment of intelligent converting station is subjected to Uniform Name and definition according to standard rule, to soft pressure Plate is standardized design;
(2) state of moving back is thrown to the soft pressing plate function declaration and normal operating mode of secondary equipment of intelligent converting station to examine Core, will audit the soft pressing plate function declaration after ratifying and state typing background monitoring system is moved back in normal operating mode throwing;
(3) the soft pressing plate timing automatic detecting of whole station or by hand tour carry out intelligence to out of repair soft pressing plate Alarm;
(4) all soft pressing plates of relay protection device of intelligent substation are controlled according to the operation logic and rule of setting, from The dynamic operation completed soft pressing plate throwing and moved back, changes the operating status of protective relaying device, realizes that the throwing of protective relaying device operation stops Sequence.
In addition, for the intelligent apparatus for not building line segregation of not yet type selecting, including:Route protection, intelligent terminal, merging Unit;
Any satisfactory intelligent apparatus is set as " scapegoat's device ", it is only necessary to which configure the line protection, intelligence are eventually End and combining unit are sent to GOOSE, SV service of bus protection;
When carrying out the system configuration of reconstruction and extension project, new equipment is upper in the original location to replace scapegoat's device.
The method of the present invention is specifically described as follows below:
The advanced application of the soft pressing plate of 1 intelligent station
The soft pressing plate of secondary equipment of intelligent converting station can be divided into the soft pressing plate of function, the soft pressing plate in outlet and connect according to function to divide Soft three kinds of the pressing plate of mouth.Compared with conventional substation, intelligent station, which increases, receives soft pressing plate, receives soft pressing plate and is divided into and is connect for GOOSE It receives soft pressing plate and SV receives soft pressing plate, which determines that can intelligent station secondary device correctly handle GOOSE information and SV Information.
By the graphical treatment to soft pressing plate and soft pressing plate timing automatic detecting, operation maintenance personnel can be grasped comprehensively in time In intelligent substation protective device soft pressing plate throwing move back situation, by with practical operation situation comparative analysis, can be timely and accurately It was found that soft pressing plate miscarrying, situation about accidentally moving back, and then inspection operation is completed in time, improve intelligent substation O&M efficiency.
1.1 standardized designs
Soft pressing plate is named and defined according to standard rule, whole station is unified, avoids because of similar soft pressing plate naming method Difference causes operating personnel to understand maloperation caused by error.
Each interval picture carries out arranged according to unified standard, and the soft pressing plate of function uses yellow mark, the soft pressing plate in outlet It is distinguished using red icon, for easily obscuring soft pressing plate, special marking is done at soft pressing plate, and beside soft platen region Ad hoc region is explained.In view of multiple lists such as the soft pressing plate management of intelligent station is related to regulating and controlling, run, overhauling, unit in charge of construction Position, achievement technically in each interval picture, strictly, clearly divides O&M, monitoring personnel operates soft platen region and maintenance Personnel operate soft platen region, and operations staff and service personnel have soft clamp operation permission corresponding with its job duty, in work Each performs its own functions in work, not heavy not leak.
And single soft pressing plate explanation is set to have access to function, mouse, which parks soft press plate position, can have access to soft pressing plate information, wrap Include that background computer title, title, function description, functional schematic, normal operating mode throwing such as move back at the states in device.
Abnormal intelligent alarm is moved back in 1.2 soft pressing plate throwings
Relay protection device put into operation before (protection infrastructure project new equipment put into operation before, technological transformation replace after new equipment put into operation before, it is double Differential apparatus upgrading has been checked and accepted put into operation before, the equipment acceptance that put into operation is complete put into operation before etc.), constituent parts protect special work to examine, approval originally State is moved back in soft pressing plate function declaration and the normal operating mode throwing of all devices of the administrative substation of unit.Pay special attention to examine and overlap The soft pressing plate of lock links up that state is moved back in three throwings for jumping the error-prone soft pressing plate for leading to protection act abnormal behavior such as soft pressing plates and function is said It is bright.State diagram approval process figure is moved back in soft pressing plate function declaration and normal operating mode throwing as shown in Figure 1, O&M and overhaul unit point Work is clear and definite, specially:
1) the typing soft pressing plate title consistent with scene, and indicate the soft pressing plate for needing to illustrate;
2) function declaration of all soft pressing plates is submitted, error-prone soft pressing plate is stressed;
3) it is whether complete accurate to check soft pressing plate information, if so, entering in next step;Otherwise, return to step 2);
4) it writes normal soft pressing plate throwing and moves back state diagram, whether the normal soft pressing plate throwing of review moves back correct;If so, into next Step;Otherwise, return to step 3);
5) whether qualified soft pressing plate definition graph is audited, if so, audit is completed;Otherwise, return to step 2).The soft pressure Plate definition graph contains soft pressing plate pressing plate function declaration and state is moved back in the throwing of soft pressing plate normal operating mode.
State typing background monitoring system is moved back in soft pressing plate function declaration and normal operating mode throwing after audit is ratified.Whole station Soft pressing plate timing automatic detecting is maked an inspection tour by hand, and is thrown the state of moving back with the normal operating mode of audit approval and be compared, if with The normal condition of definition is different, then pops up window annunciator and which soft pressing plate is prompted to be in abnormal state.To being in inspecting state Device, suspension maintenance bridge queen are not involved in a key and make an inspection tour warning function.
2 protective device sequences
In running equipment and Awaiting Overhaul equipment by network connection in intelligent substation, in view of being different from traditional substation Hardwire connection mode, under the premise of intelligent station network structure is not destroyed, it is difficult to will running equipment and Awaiting Overhaul equipment into Row physical isolation.Can only by changing the state of smart machine sender and recipient, sampling arranges isolation to perform peace, this is to transporting Dimension personnel propose requirements at the higher level, while also increase the possibility of safety measure implementation error during O&M.Set forth herein one Kind of " one-touch " sequence operation the step of according to presetting, realizes that protective device sends soft pressing plate, receives soft pressing plate, function The soft pressing plate such as soft pressing plate sequentially performs automatically.Therefore " one-touch " sequence can realize that equipment throwing stops sequence and secondary peace arranges sequence." one Keyed " peace arranges sequence to examine curing peace by expert and arranges implementing procedure, then carries out sequence and thing occurs during O&M to reduce Therefore risk.
First according to regulatory requirements, formulate secondary safety measure and perform flow;Then it is examined through expert and cures peace and arrange stream Journey;It is automatic by rule according to prespecified operation logic and rule finally by the single operation order of background monitoring system A series of operation that soft pressing plate throwings are moved back is completed, it is final to change protective relaying device operating status, so as to fulfill a safety measure " key Formula " performs.Soft pressing plate sequential control function can continue the operating mode using typical operation ticket.It is a certain that sequence goes to operation During soft pressing plate, the picture where it should be called automatically, to show that state is moved back in the front and rear throwing of its operation.More particularly to more protection dresses The operation order put, the picture of each device all answer normal call.
Operating personnel can be helped to perform complicated operation task by sequential control, traditional operation order is transformed into task Ticket realizes complex operations one-key operation, can greatly improve operating efficiency and reduce the risk of maloperation, when shortening manual operation Between, especially effect is more notable in extensive high voltage intelligent substation.
3 do not have a power failure reorganization and expansion
3.1 do not have a power failure reorganization and expansion technical solution
In intelligent substation reorganization and expansion works, because needing to bus protection (by taking 220kV double bus scheme situations as an example) The lower dress of configuration is performed, the route protection at other intervals of putting into operation is caused to be forced to carry out verification work, is increasing workload, complexity While degree, difficulty, the security risk for the related work that more increased severely makes the reorganization and expansion of intelligent substation work than normal station difficulty Much, it has to arrange " whole station power failure " cooperation reorganization and expansion work, affect production run.
During reorganization and expansion, avoid dress and the technical solution of expanded scope verification under unnecessary bus protection as follows:
(1) the transformer substation system configuration (SCD configurations) during newly-built station by considering together on long term all line segregations.For still The intelligent apparatus (route protection, intelligent terminal, combining unit) for not building line segregation of non-type selecting proposes that " scapegoat's device " is general Read, any satisfactory intelligent apparatus is set as " scapegoat's device ", and only need configure the line protection, intelligent terminal, Combining unit is sent to GOOSE, SV service of bus protection, other services wouldn't use configuration.The debugging efforts of newly-built station also should Debugging and verification including scapegoat's device Yu bus protection mutual communication.
(2) bus protection, which should have to be spaced integrally to throw, moves back soft pressing plate.Before newly-built station puts into operation, line segregation is not built for all Whole throw move back soft pressing plate and be set as exiting state, such interval is considered as by bus protection to be not present, and is not involved in operation and alarm.
(3) when carrying out the system configuration of reconstruction and extension project, new equipment is upper in the original location to replace scapegoat's device, that is, continues to use scapegoat Device IED titles, MAC Address, the control block title for having matched service and application identities etc., and good all kinds of services are configured, but IED Description attribute can change.Debugging and later stage will move back soft pressing plate (bus protection corresponding to new upper whole throw being spaced On) it is set as input state.
3.2 are modeled based on IEC 61850
Standby spacing modeler model is formed as shown in Fig. 2, concrete methods of realizing is:
Step 1:Logical node divides
Which function the requirement of route protection clear and definite first, intelligent terminal and combining unit scapegoat's device specifically has, then Determine which function of scapegoat's device needs to carry out data exchange with other intelligent apparatus, then by each data exchange that needs Function Decomposition is logical node (LN).
To avoid filling under bus protection after the completion of reorganization and expansion, the intelligence that GOOSE, SV information are sent out to bus protection need to be fixed The data set of device, the title including data set, the sequence and quantity of data set member.Such as route protection is sent to after fixing The GOOSE data sets of bus protection are as shown in table 1.
1 route protection GOOSE data sets of table
Step 2:Construction logic equipment
After the function of specifying scapegoat's device, between the multiple logical nodes of scapegoat's device construction logic equipment class model realization Communication.Logical device has merged multiple logical nodes and related service (such as GOOSE, SV service).Logical device is generally wrapped Include three logical nodes:The one logical physical equipment (LPHD) for representing facility information and health status;One provides GOOSE controls The logical node 0 (LLN0) of the communication services such as clamp dog, SV control blocks;N number of logical node (LN) comprising concrete function.
Step 3:Establish server model
Scapegoat's device is modeled as a server model, during later stage reorganization and expansion, is directly replaced with new equipment Body device.According to 61850 standards of IEC, P2P (Publish-subscribe) patterns or Client-Server (visitors can be used in server model Family end-server) pattern, so as to the transmitting of GOOSE information and SV information between complete intelligent apparatus.
4 case histories
By taking Shandong Power 220kV intelligent substations as an example, this 220kV intelligent substation realizes the soft pressing plate standard of intelligence Change design, soft pressing plate throwing move back abnormal intelligent alarm, protective device " one-touch " sequence and intelligent apparatus peace arrange visualization etc. functions
The 4.1 soft pressing plate standardized designs of intelligence
By taking certain 110kV route protection in this intelligent substation as an example, design the throwing after soft pressing plate standardized designs and move back component Figure is had access to soft pressing plate essential information;
Wherein, soft pressing plate throwing moves back component mainly including operations staff's operating area, service personnel's operating area, soft pressing plate mark Know explanation and soft pressing plate specific function explanation.And by taking tripping exports soft pressing plate as an example, when parked " tripping outlet " the soft pressing plate of mouse On, the soft pressing plate essential information of display is as shown in Figure 3.Known by Fig. 3, be separately provided soft pressing plate picture and protection signal picture, two Person's difference is clear, avoids operating space and checks that area intersects.
Abnormal intelligent alarm is moved back in 4.2 soft pressing plate throwings
After the soft pressing plate timing automatic detecting of whole station or by hand tour, if find the normal condition difference with definition, bullet Go out alarm figure as shown in Figure 4.
In Fig. 4, when soft pressing plate normal operating condition and soft pressing plate current operating conditions are inconsistent, alarm signal is sent out.Though Right soft pressing plate inspection cannot reduce the probability that device breaks down, but can reduce the power outage caused by soft pressing plate is thrown and moved back extremely Probability.The realization of abnormal alarm function is moved back by the throwing of soft pressing plate, can find that soft pressing plate is thrown extremely in a relatively short period of time and move back problem, Improve automation of transformation substations operation level and O&M efficiency.
4.3 one-touch peaces arrange sequence
By taking certain 220kV route protection is by the soft pressing plate sequence of maintenance transhipment row as an example, typical sequence operation is as shown in Figure 5. Known by Fig. 5, line maintenance transhipment row sequence operation one is divided into 9 steps, current to carry out to the 5th step.According to this in operation Method of operation conversion needs, and step carries out soft clamp operation in sequence, each operation can suspend or emergency stop, each has been operated Confirm into rear automatically into next step, completed until operating, as shown in Figure 6.
4.4 intelligent stations peace arranges visualization
Executive condition is arranged intuitively effectively to show peace, by taking certain 220kV circuits first set protects peace measure as an example, peace Arrange visualization schematic diagram as shown in Figure 7.
Safety measure visual presentation figure preferably meets claimed below:
(1) device and other device secondary circuit connections are shown by core of device;
(2) it should be understood that identifying information flow content in secondary circuit, and can intuitively show information stream side and recipient;
(3) the soft pressing plate of device should be presented in graphically on corresponding virtual terminator line, and soft with intuitive manner differentiation The throwing, retreating state of pressing plate;
(4) the soft pressing plate of turnaround of unit should be presented in device frame to graphically, and is distinguished with intuitive manner and overhauled soft pressure The throwing, retreating state of plate;
(5) device name, soft pressing plate title should be consistent with scheduling dual name.
The realization of intelligent alarm function is moved back in soft pressing plate standardized designs and the throwing of soft pressing plate, and O&M pressure can be greatly reduced, Improve the soft pressing plate management of intelligent station it is controllable, can control, control property, while reduce intelligent substation O&M overhaul complexity with It is uncertain.Protective device throwing is moved back and peace arranges the realization of isolation " one-touch " sequence, effectively reduces operation maintenance personnel in operation behaviour Make the risk to malfunction in the process, improve intelligent substation degree.Above technical scheme is in Shandong Power 220kV intelligence Substation carries out pilot, and operation conditions is preferable, and high degree improves the intelligent level of substation.
And the present invention propose " scapegoat's device " concept, by " do not have a power failure reorganization and expansion strategy " with reduces long term reorganization and expansion Have a power failure hourage in journey, while other intervals of putting into operation is avoided to repeat verification experimental verification, reduces workload and O&M complexity. Herein based on IEC 61850 to the reorganization and expansion strategy modeling that do not have a power failure, and detailed modeling procedure is provided, change expansion not have a power failure in next step Theoretical foundation has been established in the implementation for building work.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (8)

  1. A kind of 1. online O&M method of secondary equipment of intelligent converting station, which is characterized in that including:
    (1) the soft pressing plate of secondary equipment of intelligent converting station is subjected to Uniform Name and definition according to standard rule, to soft pressing plate into Row standardized designs;
    (2) state of moving back is thrown to the soft pressing plate function declaration and normal operating mode of secondary equipment of intelligent converting station to audit, it will Soft pressing plate function declaration and normal operating mode throwing after audit approval move back state typing background monitoring system;
    (3) the soft pressing plate timing automatic detecting of whole station or by hand tour carry out intelligent alarm to out of repair soft pressing plate;
    (4) all soft pressing plates of relay protection device of intelligent substation are controlled according to the operation logic and rule of setting, it is automatic complete The operation moved back into the throwing of soft pressing plate changes the operating status of protective relaying device, realizes that the throwing of protective relaying device operation stops sequence;
    The reorganization and expansion strategy that do not have a power failure is further included, specially:
    For the intelligent apparatus for not building line segregation of not yet type selecting, including:Route protection, intelligent terminal, combining unit;
    Any satisfactory intelligent apparatus is set as " scapegoat's device ", it is only necessary to configure the line protection, intelligent terminal and Combining unit is sent to GOOSE, SV service of bus protection;
    When carrying out the system configuration of reconstruction and extension project, new equipment is upper in the original location to replace scapegoat's device.
  2. 2. a kind of online O&M method of secondary equipment of intelligent converting station as described in claim 1, which is characterized in that newly-built station is thrown Before fortune, soft pressing plate is moved back for all whole throwings for not building line segregation and is set as exiting state;
    During the system configuration of development reconstruction and extension project, soft pressing plate will be moved back corresponding to the new upper whole throwing being spaced and be set as input state.
  3. 3. a kind of online O&M method of secondary equipment of intelligent converting station as described in claim 1, which is characterized in that be based on IEC61850 models the reorganization and expansion strategy that do not have a power failure, and concrete methods of realizing is:
    Step 1:Logical node divides
    Which function the requirement of route protection clear and definite first, intelligent terminal and combining unit scapegoat's device specifically has, and then determines Which function of scapegoat's device needs to carry out data exchange with other intelligent apparatus, then by each function of needing data exchange It is decomposed into logical node (LN);
    The data set of the fixed intelligent apparatus that GOOSE, SV information are sent out to bus protection, title, data set including data set The sequence and quantity of member;
    Step 2:Construction logic equipment
    After the function of specifying scapegoat's device, the logical device class model of multiple logical nodes is included for scapegoat's device structure, it is real Communication between existing multiple logical nodes;
    Step 3:Establish server model
    Scapegoat's device is modeled as a server model, during later stage reorganization and expansion, directly scapegoat is replaced with new equipment and fills It puts.
  4. A kind of 4. online O&M method of secondary equipment of intelligent converting station as described in claim 1, which is characterized in that the step (1) in, state and configuration to soft pressing plate are patterned displaying:Different soft pressing plates is carried out using the icon of different colours It distinguishes;For easily obscuring soft pressing plate, special marking is done at soft pressing plate, and ad hoc region explains beside soft platen region Explanation.
  5. A kind of 5. online O&M method of secondary equipment of intelligent converting station as described in claim 1, which is characterized in that the step (1) in, set soft pressing plate essential information have access to figure and soft pressing plate throwing move back component;
    The soft pressing plate throwing is moved back component and is included:Operations staff's operating area, service personnel's operating area, soft pressing plate identifier declaration and Easily malfunction soft pressing plate function declaration;
    The soft pressing plate essential information is had access to figure and is included:Title in soft pressing plate background computer title, device, the description of soft pressing plate function, Soft pressing plate functional schematic, the throwing of soft pressing plate normal operating mode are moved back.
  6. A kind of 6. online O&M method of secondary equipment of intelligent converting station as described in claim 1, which is characterized in that the step (2) in, the side that the state of moving back is audited is thrown the soft pressing plate function declaration and normal operating mode of secondary equipment of intelligent converting station Method is specially:
    1) the typing soft pressing plate title consistent with scene, and indicate the soft pressing plate for needing to illustrate;
    2) function declaration of all soft pressing plates is submitted, error-prone soft pressing plate is stressed;
    3) it is whether complete accurate to check soft pressing plate information, if so, entering in next step;Otherwise, return to step 2);
    4) it writes normal soft pressing plate throwing and moves back state diagram, whether the normal soft pressing plate throwing of review moves back correct;If so, enter in next step; Otherwise, return to step 3);
    5) whether audit is qualified comprising the soft pressing plate definition graph that soft pressing plate information and normal soft pressing plate throwing move back state, if so, Audit is completed;Otherwise, return to step 2).
  7. A kind of 7. online O&M method of secondary equipment of intelligent converting station as described in claim 1, which is characterized in that the step (3) in, the soft pressing plate timing automatic detecting of whole station or by hand tour, and the normal operating mode throwing ratified with audit is moved back state and is carried out It compares, if the normal condition from definition is different, pops up window annunciator and which soft pressing plate is prompted to be in abnormal state;
    Alternatively,
    The specific method of the step (4) is:
    According to regulatory requirements, formulate secondary safety measure and perform flow;
    It is examined through expert and cures safety measure and perform flow;
    By the single operation order of background monitoring system, according to prespecified operation logic and rule, arranged automatically by safety It applies and performs the operation that the soft pressing plate throwing of flow completion is moved back, it is final to change protective relaying device operating status.
  8. 8. a kind of online operational system of secondary equipment of intelligent converting station, which is characterized in that including:
    For the soft pressing plate of secondary equipment of intelligent converting station to be carried out Uniform Name and definition according to standard rule, to soft pressing plate into The device of row standardized designs;
    For throwing what the state of moving back was audited to the soft pressing plate function declaration and normal operating mode of secondary equipment of intelligent converting station Device moves back state typing background monitoring system for will audit the soft pressing plate function declaration after ratifying and normal operating mode throwing Device;
    For pressing plate timing automatic detecting soft to whole station or manual tour, intelligent report is carried out to out of repair soft pressing plate Alert device;
    It is automatic complete for controlling all soft pressing plates of relay protection device of intelligent substation according to the operation logic and rule of setting The operation moved back into the throwing of soft pressing plate changes the operating status of protective relaying device, realizes that the throwing of protective relaying device operation stops sequence Device;
    For the intelligent apparatus for not building line segregation of not yet type selecting, further include:
    Scapegoat's device, scapegoat's device are any satisfactory intelligent apparatus, including:Route protection, intelligent terminal, Combining unit;
    GOOSE, SV that scapegoat's device only needs configure the line protection, intelligent terminal and combining unit to be sent to bus protection take Business;
    In the system configuration for carrying out reconstruction and extension project, new equipment is above replaced to the device of scapegoat's device in the original location.
CN201710685111.4A 2017-08-11 2017-08-11 A kind of online O&M method and system of secondary equipment of intelligent converting station CN107332349B (en)

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