CN105977925B - A kind of adaptive bus protection implementation method that should have main frame and off host pattern - Google Patents
A kind of adaptive bus protection implementation method that should have main frame and off host pattern Download PDFInfo
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- CN105977925B CN105977925B CN201610446959.7A CN201610446959A CN105977925B CN 105977925 B CN105977925 B CN 105977925B CN 201610446959 A CN201610446959 A CN 201610446959A CN 105977925 B CN105977925 B CN 105977925B
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- 230000001681 protective effect Effects 0.000 claims description 15
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- 238000005070 sampling Methods 0.000 claims description 12
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- 230000005540 biological transmission Effects 0.000 claims description 3
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Emergency Protection Circuit Devices (AREA)
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Abstract
The invention discloses a kind of adaptive bus protection implementation method that should have main frame and off host pattern; all handsets use identical hardware; identification is used as by unduplicated address per estrade machine; same set of adaptable software is filled under all handsets; each handset judges bus protection runs on which kind of pattern which kind of network architecture according to control word; judge further according to the address of itself from residing role in bus protection, then corresponding module in unblock or locking adaptable software.The present invention realizes same covering device and is adapted to star and loop network framework, and can in the case where having main frame and off host model free switching, improve the flexibility of protection, scalability and accommodation.
Description
Technical field
The present invention relates to a kind of adaptive bus protection implementation method that should have main frame and off host pattern, belong to power system
Technical field of automation.
Background technology
According to the requirement of New Generation of Intelligent transformer station stratification protection control program, protection is divided into regard to region, domain level of standing
With wide area level, as shown in figure 1, wherein bus protection belongs to and protected with regard to region, traditional centralized bus protection can not adapt to just
Groundization requirement, it is therefore desirable to make improvement, there is correlative study to this both at home and abroad, site protection scheme divides in protected mode
To have main frame and off, it is divided into star framework and ring network framework in the protection network architecture.
Star has host-type, as shown in Fig. 2 having a handset positioned at center as main frame, with the spaced handset of institute
Point-to-point connection, the data that main frame is responsible for sending in processing handset make behavior judgement, and control the behavior of each handset.
Star off, it has that host-type framework is identical with star-like, and difference is handset and its minor positioned at center
Machine point-to-point connection, relay protective scheme judgement is not done, be only responsible for arriving the sampling sent in handset and input and output data message forwarding
Each handset, each handset voluntarily carry out relay protective scheme calculating, determine itself behavior.Centrally located handset is also responsible for man-machine friendship
Mutually and with the function such as Background communication.
Looped network PT handsets also serve as host-type, as shown in figure 3, because of the particularity at PT intervals, are chosen to main frame, are responsible for adopting
Collect remaining handset data and carry out logic judgment, control remaining handset, and networking data are sent with Background communication and reception.
Looped network independence handset hosted formula, as shown in figure 4, setting an independence for Taiwan to stand on each interval in loop network framework
Handset as main frame, it collects all handset data, carries out relay protective scheme calculating, controls each handset behavior, and with backstage
Communication and reception send networking data.
Looped network off, as shown in figure 5, each handset will send looped network and other sons are obtained from looped network in its data
Machine data, each independent carry out logic judgment, is not controlled mutually.Other need optionally one or two handset takes into account and Background communication
With the function of transmitting-receiving networking data.
Each pattern respectively has it good and bad, and current existing protection scheme can only select one of which pattern, can not accomplish
Adaptively.
The content of the invention
In order to solve the above-mentioned technical problem, adaptive main frame and the bus of off host pattern should protect the invention provides a kind of
Protect implementation method.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of adaptive bus protection implementation method that should have main frame and off host pattern, all handsets are hard using identical
Part, identification is used as by unduplicated address per estrade machine, same set of adaptable software, each handset are filled under all handsets
Judge bus protection runs on which kind of pattern which kind of network architecture according to control word, judge further according to the address of itself from mother
Residing role in line protection, then corresponding module in unblock or locking adaptable software；
The adaptable software includes sending module, data acquisition module, relay protective scheme in sampling and switching value module, data
Module, instruction sending module and command reception module；
The sampling and switching value module, to collection voltages analog quantity and switching value, gather current-mode analog quantity and switch
Amount；
Module is sent in the data, to send the analog quantity of collection and switching value message；
The data acquisition module, to obtain the analog quantity sent on other intervals and switching value message；
The relay protective scheme module, to running protection algorithm logic, spaced analog quantity and switch by handling
Amount, protection judge action behavior；
The instruction sending module, to be instructed as the protection that main frame is sent to slave transmission relay protective scheme module；
The command reception module, protect and instruct to Receiving Host, corresponding actions are made according to instruction；
Modules are separate, exchange data by intermediate data pond, modules are provided with unblock and blocking function.
On the premise of the network architecture is constant, by setting control word to realize the switching of different mode.
（1）Have and switch between main formula and off host pattern, detailed process is：
Select switching control handset；It is switching control handset that star network, which selects central handset, and loop network runs on PT
It is switching control handset, ring that handset, which also serves as host mode or PT handsets will be switched to select PT handsets when also serving as host mode,
L network runs on independent handset and also serves as host mode or independent handset will be switched to be selected independently when also serving as host mode
Handset is switching control handset；
Change control word in switching control handset；
Switching control handset is to remaining handset sending mode switching command；
Can each handset replys the current state of its own switch；
When it is all positive reply that switching control handset, which receives all handsets, after, sends switching command and will be switched to
Pattern；
All handsets including switching control handset voluntarily according to object run pattern combination Self address, unblock,
The corresponding module of locking；
Each handset completes switching Backward handoff control handset and sends report；
After the completion of switching control handset receives the report of all handsets and its own switching also, to each handset send into
Work(instructs；
（2）PT intervals handset also serves as to be switched between main frame and independent handset hosted, and detailed process is：
Any one is selected to change as switching control handset in switching control handset in PT intervals handset and independent handset
Become control word, send out switching command to other side in switching control handset, remaining interval handset is unaffected, receives response after instruction
It is whether changeable, after receiving positive reply in switching control handset, send and start switching command, the two is simultaneously each according to target
Operational mode combination Self address, unblock, the corresponding module of locking, switching send to switching control handset after completing and reported,
Hair switches successfully instruction after receiving report.
The beneficial effect that the present invention is reached：1st, the present invention realizes same covering device and is adapted to star and loop network frame
Structure, and can in the case where having main frame and off host model free switching, improve the flexibility of protection, scalability and accommodation；
2nd, each handset software and hardware equiconsistency of the invention is high, can mutually be substituted between handset or between plug-in unit, improve protection
Maintainability and reliability.
Brief description of the drawings
Fig. 1 is New Generation of Intelligent transformer station level block diagram.
Fig. 2 is star network framework.
Fig. 3 is that looped network PT handsets also serve as host-type pattern.
Fig. 4 is looped network independence handset hosted formula pattern.
Fig. 5 is looped network off pattern.
Fig. 6 is the adaptable software block diagram filled under handset.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
A kind of adaptive bus protection implementation method that should have main frame and off host pattern, it is specific as follows：
All handsets use identical hardware, including the transmitting-receiving of power insert, sampling plug-in, DIO plug-in units, CPU card, optical port
Plug-in unit and MMI plug-in units；Pass through unduplicated address per estrade machine（Address is the address that power down is kept）As identification.
Same set of adaptable software is filled under all handsets, it is main or without in holotype having under star framework, all in
Adaptable software is filled under the handset of centre, and central handset is accomplished automatic again by fiber optic communication to adaptable software is filled under remaining handset
It is synchronous；Under ring network framework, fill adaptable software when having main frame above and below main frame, main frame by looped network to dress under remaining handset from
Adapt to software；During off host, an estrade machine is selected, it should be noted that the same time can only select to fill adaptively under an estrade machine
Software, selected then handset after having received adaptable software again by looped network to filling adaptable software under remaining handset.
As shown in fig. 6, adaptable software includes sending module, data acquisition module, guarantor in sampling and switching value module, data
Protect logic module, instruction sending module and command reception module.
Sampling and switching value module：To collection voltages analog quantity and switching value, current-mode analog quantity and switching value are gathered.
Module is sent in data：To send the analog quantity of collection and switching value message.
Data acquisition module：To obtain the analog quantity sent on other intervals and switching value message.
Relay protective scheme module：To running protection algorithm logic, by handling, spaced analog quantity and switching value, are protected
Shield judges action behavior.
Instruction sending module：To be instructed as the protection that main frame is sent to slave transmission relay protective scheme module.
Command reception module：Protect and instruct to Receiving Host, corresponding actions are made according to instruction.
Modules are separate, exchange data by intermediate data pond, modules are provided with unblock and blocking function.
Each handset software and hardware is identical, and uniformity is high, can mutually be substituted between handset or between plug-in unit, improve protection
Maintainable and reliability.
Each handset judges bus protection runs on which kind of pattern which kind of network architecture according to control word, further according to itself
Address judged from residing role in bus protection, then corresponding module in unblock or locking adaptable software.
Star has holotype
Central host unlocks data acquisition module, relay protective scheme module and instruction sending module, the handset solution at each interval
Module, command reception module are sent in lock sampling and switching value module, data, realizes that main frame is responsible for calculating, handset is only responsible for collection
Data and execute instruction.
Star is without holotype
Central host unlocks data acquisition module, and it obtains data and is mainly networking and above send backstage, and by automatic
By the data at each interval, remaining handset of forwarding, the handset at each interval unlock sampling and switching value to data forwarding function automatically
Module, data reception module and relay protective scheme module are sent in module, data.
Looped network PT intervals also serve as host mode
PT intervals handset, as main frame, it unlocks sampling and switching value module, data acquisition module, relay protective scheme module
And instruction sending module, realize that it obtains its interval handset data as main frame, the function of all handsets controlled after logic judgment,
For remaining interval handset as slave, unblock samples and switching value module, send module in data, command reception module, is only responsible for adopting
Collect the function of data and execute instruction, if being additionally provided with independent handset in looped network, all optional modules of the handset locking.
Looped network independence handset hosted pattern
Unique host, because it is independently of interval, itself does not have sampled data, so only unlocking data acquisition module, protects
Logic module and instruction sending module, realize that it obtains its interval handset data as main frame, all sons are controlled after logic judgment
The function of machine, remaining interval handset is as slave, unblock sampling and switching value module, send module in data, command reception module,
The only function of responsible gathered data and execute instruction.
Looped network is without holotype
The handset unblock at each interval samples and switching value module, send module in data, data acquisition module and protection are patrolled
Volume module, realizes a shared data between each handset and remaining handset, independent operating relay protective scheme, does not receive and dispatch the dereliction of instruction mutually
Formula operational mode, if there is the handset independently of interval, then the whole optional module of its locking.
On the premise of the network architecture is constant, by setting control word to realize the switching of different mode, include main formula
Switching, PT intervals handset are also served as and switched between main frame and independent handset hosted between off host pattern.
Have and switch between main formula and off host pattern, detailed process is：
Select switching control handset；It is switching control handset that star network, which selects central handset, and loop network runs on PT
It is switching control handset, ring that handset, which also serves as host mode or PT handsets will be switched to select PT handsets when also serving as host mode,
L network runs on independent handset and also serves as host mode or independent handset will be switched to be selected independently when also serving as host mode
Handset is switching control handset；
Change control word in switching control handset；
Switching control handset is to remaining handset sending mode switching command；
Can each handset replys the current state of its own switch；
When it is all positive reply that switching control handset, which receives all handsets, after, sends switching command and will be switched to
Pattern；
All handsets including switching control handset voluntarily according to object run pattern combination Self address, unblock,
The corresponding module of locking；
Each handset completes switching Backward handoff control handset and sends report；
After the completion of switching control handset receives the report of all handsets and its own switching also, to each handset send into
Work(instructs.
PT intervals handset also serves as to be switched between main frame and independent handset hosted, and detailed process is：
Any one is selected to change as switching control handset in switching control handset in PT intervals handset and independent handset
Become control word, send out switching command to other side in switching control handset, remaining interval handset is unaffected, receives response after instruction
It is whether changeable, after receiving positive reply in switching control handset, send and start switching command, the two is simultaneously each according to target
Operational mode combination Self address, unblock, the corresponding module of locking, switching send to switching control handset after completing and reported,
Hair switches successfully instruction after receiving report.
The above method realizes same covering device and is adapted to star and loop network framework, and can have main frame and off host
Free switching under model, improve the flexibility of protection, scalability and accommodation.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (3)
- A kind of 1. adaptive bus protection implementation method that should have main frame and off host pattern, it is characterised in that：All handsets use Identical hardware, identification is used as by unduplicated address per estrade machine, same set of adaptable software is filled under all handsets, Each handset judges bus protection runs on which kind of pattern which kind of network architecture according to control word, judges further according to the address of itself From residing role in bus protection, then corresponding module in unblock or locking adaptable software；The adaptable software includes sending module, data acquisition module, relay protective scheme mould in sampling and switching value module, data Block, instruction sending module and command reception module；The sampling and switching value module, to collection voltages analog quantity and switching value, gather current-mode analog quantity and switching value；Module is sent in the data, to send the analog quantity of collection and switching value message；The data acquisition module, to obtain the analog quantity sent on other intervals and switching value message；The relay protective scheme module, to running protection algorithm logic, by handling, spaced analog quantity and switching value, are protected Shield judges action behavior；The instruction sending module, to be instructed as the protection that main frame is sent to slave transmission relay protective scheme module；The command reception module, protect and instruct to Receiving Host, corresponding actions are made according to instruction；Modules are separate, exchange data by intermediate data pond, modules are provided with unblock and blocking function.
- 2. a kind of adaptive bus protection implementation method that should have main frame and off host pattern according to claim 1, it is special Sign is：On the premise of the network architecture is constant, by setting control word to realize the switching of different mode.
- 3. a kind of adaptive bus protection implementation method that should have main frame and off host pattern according to claim 2, it is special Sign is：（1）Have and switch between main formula and off host pattern, detailed process is：Select switching control handset；It is switching control handset that star network, which selects central handset, and loop network runs on PT handsets It is switching control handset, ring network to also serve as host mode or PT handsets will be switched to select PT handsets when also serving as host mode Network runs on independent handset and also serves as host mode or independent handset will be switched to select independent handset when also serving as host mode For switching control handset；Change control word in switching control handset；Switching control handset is to remaining handset sending mode switching command；Can each handset replys the current state of its own switch；After it is all positive reply that switching control handset, which receives all handsets, switching command and the mould that will be switched to are sent Formula；All handsets including switching control handset are voluntarily according to object run pattern combination Self address, unblock, locking Corresponding module；Each handset completes switching Backward handoff control handset and sends report；After the completion of switching control handset receives all handset reports and its own switching also, send to each handset and successfully refer to Order；（2）PT intervals handset also serves as to be switched between main frame and independent handset hosted, and detailed process is：Any one is selected to change control in switching control handset as switching control handset in PT intervals handset and independent handset Word processed, switching command is sent out to other side in switching control handset, remaining interval handset is unaffected, whether receives after instruction response It is changeable, after receiving positive reply in switching control handset, send and start switching command, the two is simultaneously each according to object run Pattern combination Self address, unblock, the corresponding module of locking, switching send to switching control handset after completing and reported, receiving Hair switches successfully instruction after report.
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| CN108565841B (en) * | 2018-04-27 | 2020-01-14 | 许继集团有限公司 | Operation control method and protection system for on-site protection submachine |
| CN109494880B (en) * | 2018-12-27 | 2021-10-22 | 国网浙江省电力有限公司电力科学研究院 | A method for realizing control layer information management of localized busbar protection station |
| CN110676818B (en) * | 2019-10-12 | 2022-02-15 | 积成电子股份有限公司 | In-situ bus protection method and system based on star network topology |
| CN111208379A (en) * | 2020-03-19 | 2020-05-29 | 国网福建省电力有限公司 | Portable on-site bus protection submachine testing device |
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| FR2817086B1 (en) * | 2000-11-17 | 2003-01-03 | Alstom | METHOD FOR THE STATISTICAL BALANCING OF CURRENT TRANSFORMER MEASUREMENTS FOR DIFFERENTIAL BAR GAME PROTECTION |
| CN100424965C (en) * | 2006-11-21 | 2008-10-08 | 国网南京自动化研究院 | Communication Method of Distributed Microcomputer Busbar Protection without Master Station |
| CN102097790B (en) * | 2010-12-23 | 2014-04-16 | 南京国电南自电网自动化有限公司 | Method for realizing point-to-point distributed bus protection by adopting multi-level cascading |
| CN103683218B (en) * | 2013-12-18 | 2017-06-23 | 南京国电南自电网自动化有限公司 | Distributed Busbar Protection Device based on HSR looped networks |
| CN103715766B (en) * | 2013-12-18 | 2015-12-30 | 南京国电南自电网自动化有限公司 | A kind of looped network decentralized bus protection synchronous method |
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