CN105896470A - Double loop network-based protection device free of main in-situ transformer and protection method - Google Patents
Double loop network-based protection device free of main in-situ transformer and protection method Download PDFInfo
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- CN105896470A CN105896470A CN201610393714.2A CN201610393714A CN105896470A CN 105896470 A CN105896470 A CN 105896470A CN 201610393714 A CN201610393714 A CN 201610393714A CN 105896470 A CN105896470 A CN 105896470A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000011065 in-situ storage Methods 0.000 title abstract 7
- 241000272814 Anser sp. Species 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 5
- 230000007175 bidirectional communication Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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
- H02H7/04—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 transformers
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- H02J13/0013—
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Transformers (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a double loop network-based protection device free of a main in-situ transformer and a protection method. The double loop network-based protection device free of the main in-situ transformer comprises in-situ protection sub-machines, which are arranged at a high-voltage side, a medium-voltage side and a low-voltage side of a transformer respectively; the protection sub-machines are in hand-in-hand connection through double loop networks; each protection sub-machine collects the analogue quantity and the switch quantity of the side in situ, and is in bidirectional communication with the other protection sub-machines through the double loop networks to share data; each protection sub-machine comprises the same main and backup protection-integrated protection module for the transformer; a circuit breaker is arranged between each protection sub-machine and the side of the transformer; and each protection module trips off the corresponding circuit breaker according to the set backup protection action conditions and differential protection action conditions. By the double loop network-based protection device free of the main in-situ transformer and the protection method, the problem that a host of an existing protection device with the main transformer cannot be installed in situ is solved; and furthermore, multiple sets of differential 'conjunction gate' logics are adopted by the protection device, so that the protection reliability is improved.
Description
Technical field
The invention belongs to field of relay protection in power, be specifically related to a kind of dereliction formula site transformator based on dual-ring network
Protection device and guard method.
Background technology
Protection and monitoring device each group screen, centralized arrangement in conventional substation, on-the-spot cabling is numerous and diverse and mostly is hardwired, band
Come more maintenance workload and unreliable factor.In recent years, conventional substation is gradually used " routine transformer+merging
Unit " intelligent substation substituted, by combining unit and intelligent terminal's in-site collecting analog quantity and switching value, and pass through light
The fine protective relaying device accessing master control room, instead of long cable with optical fiber, and secondary circuit is simplified.
The intelligent station of " routine transformer+combining unit ", intermediate link is many, and movement time is long, and it is average that intelligent station is protected
Movement time 8-10ms longer than GPF (General Protection False, and single equipment fault is likely to result in many set protection incorrect operations, protection
Rapidity and integrity problem become increasingly conspicuous.Based on relay protection for many years successful theory and practice exploration, many both at home and abroad
Multi-expert proposes the relay protection site installed by existing concentration group screen, cancels the adapter ring such as combining unit and intelligent terminal
Joint, Secondary Design and construction are greatly simplified, and decrease transformer station's construction area, reduce construction costs, it is simple to safeguard, examine
Repair and make an inspection tour.
For the relay protection of monospace, such as route protection, mother protection etc., owing to a secondary device correspondence is strong, it is just
The enforcement of groundization is relatively easy.But for the tranformer protection across interval, needing the analog quantity gathered more, loop is complicated,
Plant bulk certainly will be caused excessive and cannot install on the spot, if it addition, using the pattern of " handset+main frame ", i.e. handset
For in-site collecting, main frame is used for relay protective scheme computing, according to Operation of Electric Systems maintenance procedure, is difficult to find suitably
Main frame is installed in place.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of dereliction formula site protection equipment for transformer based on dual-ring network and protection side
Method.
Realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of dereliction formula site protection equipment for transformer based on dual-ring network, including be separately positioned on high voltage side of transformer, in
Press the protection handset of the site of side, low-pressure side, by dual-ring network connection hand in hand between each protection handset, respectively protect handset
The electric current of this side of in-site collecting, voltage analog and switching value, and shared with other protection handset two-way communication by dual-ring network
Data；Each protection handset is respectively provided with identical transformator master, the protection module of back-up protection integration, each protection handset and change
Being provided with chopper between each side of depressor, protection module is according to back-up protection operation condition and differential protection operation condition, tripping phase
The chopper answered.
Described tripping switchs accordingly particularly as follows: when this side protection handset meets back-up protection operation condition, protect module control
Make the direct tripping of chopper being connected with this side protection handset, when protected handset is satisfied by differential protection operation condition,
Protection module controls and the corresponding chopper tripping of each protection handset.
Described high voltage side of transformer, medium voltage side, the protection handset of site of low-pressure side, including: high pressure 1 side protection handset,
High pressure 2 side protection handset, transformer neutral point protection handset, public winding protection handset, medium voltage side protection handset, low pressure
1 branch's protection handset, low pressure 2 branch protection handset, low pressure 1 branch reactor protection handset, low pressure 2 branch reactor
Protection handset, low-pressure side ground connection become protection handset.
The protection handset of described on high-tension side protection handset and low-pressure side is respectively connected to A, B net of MMS network, with backstage and
Control centre communicates.
Described high-pressure side protection handset and low-pressure side protection handset are concurrently accessed GOOSE network, with other protection device and fault
Wave recording device communicates, and when both is properly functioning, the high-pressure side protection handset high by priority is responsible for externally and other device
Transmitting-receiving GOOSE message, low-pressure side protection handset is in stops letter state with outside, and is protected by dual-ring network monitoring high-pressure side
The running status of handset, when high-pressure side protection handset exits because of fault or maintenance, is replaced high-pressure side by low-pressure side protection handset
Handset is responsible for the transmitting-receiving of external GOOSE message.
Described each protection handset is respectively provided with software address, and this software address is simultaneously as the mailing address within looped network and protection handset class
The identification code of type；Described a kind of based on dual-ring network dereliction formula site protection equipment for transformer, also includes control box, institute
State protection module and controlled the state of the switch being connected with each side protection handset by control box；Described control box also output switch amount
Handset is protected to each side.
A kind of guard method applying dereliction formula site protection equipment for transformer based on dual-ring network, comprises the following steps:
Each electric current, voltage analog and switching value protecting this side of handset in-site collecting, and by dual-ring network and other protection
Data are shared in machine two-way communication；
Protection module, according to back-up protection operation condition and differential protection operation condition, controls the corresponding chopper of tripping.
The corresponding chopper of described tripping is particularly as follows: when this side protection handset meets back-up protection operation condition, protect module
Control the direct tripping of chopper being connected with this side protection handset, when protected handset is satisfied by differential protection operation condition
Time, protection module controls and the corresponding chopper tripping of each protection handset.
The guard method of described a kind of application dereliction formula site protection equipment for transformer based on dual-ring network, also includes height
The protection handset of pressure side and the protection handset of low-pressure side are respectively connected to A, B net of MMS network, lead to backstage and control centre
Letter, it is ensured that when arbitrary protection handset break down or overhaul exit time, all will not interrupt dereliction formula based on dual-ring network on the spot
Change protection equipment for transformer and backstage and the communication of control centre.
The guard method of described a kind of application dereliction formula site protection equipment for transformer based on dual-ring network, also includes height
Pressure side protection handset and low-pressure side protection handset are concurrently accessed GOOSE network, lead to other protection device and fault wave recording device
Letter, when both is properly functioning, is responsible for externally and other device transmitting-receiving GOOSE by the high-pressure side protection handset that priority is high
Message, low-pressure side protection handset is in stops letter state with outside, and by the operation of dual-ring network monitoring high-pressure side protection handset
State, when high-pressure side protection handset exits because of fault or maintenance, low-pressure side protection handset replacement high-pressure side handset it is right to be responsible for
The transmitting-receiving of outer GOOSE message.
Beneficial effects of the present invention:
The dereliction formula site protection equipment for transformer based on dual-ring network of the present invention and guard method, use distribution transformer
The multiple protection handsets of relaying configuration, protection handset only gathers analog quantity and the switching value of this side, shares data by dual-ring network,
Therefore handset volume is little, it is possible to install on the spot；And traditional centralized tranformer protection, owing to it to gather the simulation of each side
Amount and switching value data, cause volume big, it is impossible to install on the spot.
The dereliction formula site protection equipment for transformer based on dual-ring network of the present invention and guard method, use dereliction formula site
Protection equipment for transformer, efficiently solve have at present main formula protection equipment for transformer main frame cannot installation question on the spot, and often
Individual handset is all configured with identical differential protection function, when all handsets are satisfied by differential protection operation condition, and differential protection
Just action tripping operation, it is achieved that many set differential " with door " logics, thus improve the reliability of differential protection.
Accompanying drawing explanation
Fig. 1 is the topology signal of a kind of embodiment of the dereliction formula site protection equipment for transformer based on dual-ring network of the present invention
Figure.
Fig. 2 is the one of the guard method of a kind of application dereliction based on dual-ring network formula site protection equipment for transformer of the present invention
Plant the schematic flow sheet of embodiment.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is entered
Row further describes.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
Below in conjunction with the accompanying drawings the application principle of the present invention is explained in detail.
Seeing Fig. 1, a kind of dereliction formula site protection equipment for transformer based on dual-ring network, including being separately positioned on transformator
High-pressure side, medium voltage side, low-pressure side site protection handset (that is: high-pressure side main transformer protection handset, medium voltage side main transformer protect
Protect handset, low-pressure side main transformer protection handset), connected hand in hand by gigabit dual-ring network between each protection handset, so that it is guaranteed that
High reliability；Each electric current, voltage analog and switching value protecting this side of handset in-site collecting, and by dual-ring network and its
Data are shared in its protection handset two-way communication；Each protection handset is respectively provided with identical transformator master, the guarantor of back-up protection integration
Protecting module, be provided with chopper between each protection handset and each side of transformator, protection module is according to the back-up protection action bar set
Part and differential protection operation condition, the corresponding chopper of tripping.
In the present invention, the described back-up protection operation condition set and differential protection operation condition as: protection act condition is
Ultimate principle based on relay protection, including multiple protection, such as longitudinal difference protection, again press overcurrent protection, zero-sequencedirectional protection,
Impedance protection, failure protection etc..
In an embodiment of the present invention, each protection handset is all connected with gigabit dual-ring network by looped network mouth.
In an embodiment of the present invention, the corresponding chopper of described tripping meets standby particularly as follows: work as this side protection handset
During protection act condition, protection module controls the direct tripping of chopper being connected with this side protection handset, back-up protection action bar
Part uses the analog quantity that electric current or the voltage of in-site collecting, i.e. this protection handset gather；When institute, protected handset is the fullest
During foot differential protection operation condition, protection module controls and the corresponding chopper tripping of each protection handset.
In an embodiment of the present invention, the protection handset of described on high-tension side protection handset and low-pressure side is respectively connected to MMS
The A net of network, B net, communicate with backstage and control centre, it is ensured that exits when arbitrary protection handset breaks down or overhauls
Time, all will not interrupt dereliction formula site protection equipment for transformer based on dual-ring network and backstage and the communication of control centre.Adopt
The reliability of communication can be improved with dual network.
In an embodiment of the present invention, described high-pressure side protection handset and low-pressure side protection handset are concurrently accessed GOOSE net
Network, and other protection device (such as: bus protection, breaker protection) and fault wave recording device communication, when both just
When often running, the high-pressure side protection handset that priority is high being responsible for externally and other device transmitting-receiving GOOSE message, low-pressure side is protected
Protect handset to be in and stop letter state with outside, and by the running status of dual-ring network monitoring high-pressure side protection handset, work as high-pressure side
Protection handset because of fault or maintenance exit time, low-pressure side protection handset replace high-pressure side handset and be responsible for external GOOSE message
Transmitting-receiving.
In an embodiment of the present invention, described high voltage side of transformer, medium voltage side, the protection handset of site of low-pressure side,
Including: high pressure 1 side protection handset, high pressure 2 side protection handset, transformer neutral point protection handset, public winding protection
Machine, medium voltage side protection handset, low pressure 1 branch protection handset, low pressure 2 branch protection handset, low pressure 1 branch reactor are protected
Protect handset, low pressure 2 branch reactor protection handset, low-pressure side ground connection change protection handset；Described each protection handset is respectively provided with soft
Address, this software address is simultaneously as the mailing address within looped network and the identification code of protection handset type, on the one hand as looped network
Mailing address, on the other hand as the identification code of handset type, unites two into one, more convenient.Particularly as follows: 0x01 (high pressure 1
Side protection handset), 0x02 (high pressure 2 side protection handset), 0x03 (transformer neutral point protection handset), 0x04 are (public
Winding protection handset altogether), 0x05 (medium voltage side protection handset), 0x06 (low pressure 1 branch protection handset), 0x07 is (low
Press 2 branch's protection handsets), (low pressure 2 branch reactor is protected for 0x08 (low pressure 1 branch reactor protection handset), 0x09
Protect handset), 0x0A (low-pressure side ground connection becomes protection handset).In other embodiments of the invention, it is also possible to include other
Protection handset.
Described a kind of based on dual-ring network dereliction formula site protection equipment for transformer, also includes control box, described protection mould
Block controls the state of the chopper being connected with each side protection handset by control box；Described control box also exports open circuit tolerance to each
Side protection handset.
See Fig. 2, the guard method of a kind of application dereliction based on dual-ring network formula site protection equipment for transformer, including with
Lower step:
Each electric current, voltage analog and switching value protecting this side of handset in-site collecting, and by dual-ring network and other protection
Data are shared in machine two-way communication；
Protection module, according to back-up protection operation condition and differential protection operation condition, controls the corresponding chopper of tripping.
The corresponding chopper of described tripping is particularly as follows: when this side protection handset meets back-up protection operation condition, protect module
Control the direct tripping of chopper being connected with this side protection handset, when protected handset is satisfied by differential protection operation condition
Time, protection module controls and the corresponding chopper tripping of each protection handset；Differential protection operation condition uses each handset and adopts
The analog quantity of collection, does difference by the electric current of each protection handset.
The described guard method applying dereliction formula site protection equipment for transformer based on dual-ring network, also includes high-pressure side
Protection handset and the protection handset of low-pressure side be respectively connected to A, B net of MMS network, communicate with backstage and control centre,
Ensure that when arbitrary protection handset break down or overhaul exit time, all will not interrupt dereliction formula site based on dual-ring network become
Depressor protection device and backstage and the communication of control centre；
The described guard method applying dereliction formula site protection equipment for transformer based on dual-ring network, also includes high-pressure side
Protection handset and low-pressure side protection handset are concurrently accessed GOOSE network, and other protection device and fault wave recording device communication,
When both is properly functioning, the high-pressure side protection handset that priority is high it is responsible for externally and other device transmitting-receiving GOOSE message,
Low-pressure side protection handset is in stops letter state with outside, and by the running status of dual-ring network monitoring high-pressure side protection handset,
When high-pressure side protection handset exits because of fault or maintenance, low-pressure side protection handset replace high-pressure side handset and be responsible for externally
The transmitting-receiving of GOOSE message.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technical staff of the industry
It should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description, the present invention is simply described
Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these change
Both fall within scope of the claimed invention with improvement.Claimed scope by appending claims and etc.
Effect thing defines.
Claims (10)
1. a dereliction formula site protection equipment for transformer based on dual-ring network; it is characterized in that: include being separately positioned on the protection handset of the site of high voltage side of transformer, medium voltage side, low-pressure side; connected hand in hand by dual-ring network between each protection handset; each electric current, voltage analog and switching value protecting this side of handset in-site collecting, and share data by dual-ring network with other protection handset two-way communication；Each protection handset is respectively provided with identical transformator master, the protection module of back-up protection integration, is provided with chopper between each protection handset and each side of transformator, and protection module is according to back-up protection operation condition and differential protection operation condition, the corresponding chopper of tripping.
A kind of dereliction formula site protection equipment for transformer based on dual-ring network the most according to claim 1; it is characterized in that: described tripping switch accordingly particularly as follows: when this side protection handset meet back-up protection operation condition time; protection module controls the direct tripping of chopper being connected with this side protection handset; when protected handset is satisfied by differential protection operation condition, protection module controls and the corresponding chopper tripping of each protection handset.
A kind of dereliction formula site protection equipment for transformer based on dual-ring network the most according to claim 1 and 2; it is characterized in that: described high voltage side of transformer, medium voltage side, the protection handset of site of low-pressure side; including: high pressure 1 side protection handset, high pressure 2 side protection handset, transformer neutral point protection handset, public winding protection handset; medium voltage side protection handset, low pressure 1 branch protection handset, low pressure 2 branch protection handset, low pressure 1 branch reactor protection handset, low pressure 2 branch reactor protection handset, low-pressure side ground connection become protection handset.
A kind of dereliction formula site protection equipment for transformer based on dual-ring network the most according to claim 1 and 2; it is characterized in that: the protection handset of described on high-tension side protection handset and low-pressure side is respectively connected to A, B net of MMS network, communicates with backstage and control centre.
A kind of dereliction formula site protection equipment for transformer based on dual-ring network the most according to claim 4, it is characterized in that: described high-pressure side protection handset and low-pressure side protection handset are concurrently accessed GOOSE network, with other protection device and fault wave recording device communication, when both is properly functioning, it is responsible for externally and other device transmitting-receiving GOOSE message by the high-pressure side protection handset that priority is high, low-pressure side protection handset is in stops letter state with outside, and the running status by dual-ring network monitoring high-pressure side protection handset, when high-pressure side protection handset exits because of fault or maintenance, replaced high-pressure side handset by low-pressure side protection handset and be responsible for the transmitting-receiving of external GOOSE message.
A kind of dereliction formula site protection equipment for transformer based on dual-ring network the most according to claim 1, it is characterised in that: described each protection handset is respectively provided with software address, and this software address is simultaneously as the mailing address within looped network and the identification code of protection handset type；Described a kind of based on dual-ring network dereliction formula site protection equipment for transformer, also includes control box, and described protection module controls the state of the switch being connected with each side protection handset by control box；Described control box also output switch amount protects handset to each side.
7. the guard method of the dereliction formula site protection equipment for transformer based on dual-ring network applied described in claim 1 or 2, it is characterised in that comprise the following steps:
Each electric current, voltage analog and switching value protecting this side of handset in-site collecting, and share data by dual-ring network with other protection handset two-way communication；
Protection module, according to back-up protection operation condition and differential protection operation condition, controls the corresponding chopper of tripping.
A kind of guard method applying dereliction formula site protection equipment for transformer based on dual-ring network the most according to claim 7; it is characterized in that: the corresponding chopper of described tripping particularly as follows: when this side protection handset meet back-up protection operation condition time; protection module controls the direct tripping of chopper being connected with this side protection handset; when protected handset is satisfied by differential protection operation condition, protection module controls and the corresponding chopper tripping of each protection handset.
A kind of guard method applying dereliction formula site protection equipment for transformer based on dual-ring network the most according to claim 7; it is characterized in that: also include that the protection handset by high-tension side protection handset and low-pressure side is respectively connected to A, B net of MMS network; communicate with backstage and control centre; ensure that when arbitrary protection handset break down or overhaul exit time, all will not interrupt dereliction formula site protection equipment for transformer based on dual-ring network and backstage and the communication of control centre.
A kind of guard method applying dereliction formula site protection equipment for transformer based on dual-ring network the most according to claim 7, it is characterized in that: also include high-pressure side is protected handset and low-pressure side protection handset are concurrently accessed GOOSE network, with other protection device and fault wave recording device communication, when both is properly functioning, it is responsible for externally and other device transmitting-receiving GOOSE message by the high-pressure side protection handset that priority is high, low-pressure side protection handset is in stops letter state with outside, and the running status by dual-ring network monitoring high-pressure side protection handset, when high-pressure side protection handset exits because of fault or maintenance, replaced high-pressure side handset by low-pressure side protection handset and be responsible for the transmitting-receiving of external GOOSE message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393714.2A CN105896470A (en) | 2016-06-03 | 2016-06-03 | Double loop network-based protection device free of main in-situ transformer and protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393714.2A CN105896470A (en) | 2016-06-03 | 2016-06-03 | Double loop network-based protection device free of main in-situ transformer and protection method |
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| CN105896470A true CN105896470A (en) | 2016-08-24 |
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| CN201610393714.2A Pending CN105896470A (en) | 2016-06-03 | 2016-06-03 | Double loop network-based protection device free of main in-situ transformer and protection method |
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| CN107681642A (en) * | 2017-08-17 | 2018-02-09 | 国电南瑞科技股份有限公司 | A kind of transformer station's site protects system |
| CN108400574A (en) * | 2018-05-21 | 2018-08-14 | 南京南瑞继保电气有限公司 | A kind of dereliction formula bus protection implementation method on the spot |
| CN108508296A (en) * | 2018-03-30 | 2018-09-07 | 许继集团有限公司 | A kind of site element protection test method and system based on bidirectional loop network |
| CN108539714A (en) * | 2018-04-18 | 2018-09-14 | 许继集团有限公司 | A kind of distributed element differential protecting method and system |
| CN108565841A (en) * | 2018-04-27 | 2018-09-21 | 许继集团有限公司 | A kind of site protection handset progress control method and protection system |
| CN108667661A (en) * | 2018-05-09 | 2018-10-16 | 国家电网公司 | Site distributed protection managing main frame automatic number system and its method for numbering serial |
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| CN109193587A (en) * | 2018-10-12 | 2019-01-11 | 南京南瑞继保电气有限公司 | A kind of substation's site distributed protection system and remote operation method |
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| CN110048383A (en) * | 2019-05-07 | 2019-07-23 | 南京国电南自电网自动化有限公司 | A kind of power distribution network Distributed Integration protection system |
| CN110095687B (en) * | 2019-05-07 | 2021-07-13 | 国网山东省电力公司枣庄供电公司 | Intelligent linkage method and system for fault recording device and traveling wave distance measuring device |
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| CN111025049A (en) * | 2019-11-27 | 2020-04-17 | 中国电力科学研究院有限公司 | System and method for detecting performance of in-situ distributed element protection device |
| CN111025049B (en) * | 2019-11-27 | 2023-10-03 | 中国电力科学研究院有限公司 | System and method for detecting performance of in-situ distributed element protection device |
| CN111614522A (en) * | 2020-05-29 | 2020-09-01 | 国网浙江省电力有限公司电力科学研究院 | Method for preventing sampling error synchronization of in-situ looped network submachine |
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