CN110460152A - A kind of intelligent substation does not have a power failure newly-increased interval cut-in method - Google Patents
A kind of intelligent substation does not have a power failure newly-increased interval cut-in method Download PDFInfo
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- CN110460152A CN110460152A CN201910663995.2A CN201910663995A CN110460152A CN 110460152 A CN110460152 A CN 110460152A CN 201910663995 A CN201910663995 A CN 201910663995A CN 110460152 A CN110460152 A CN 110460152A
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000003825 pressing Methods 0.000 claims abstract description 131
- 230000001681 protective effect Effects 0.000 claims abstract description 71
- 241000272814 Anser sp. Species 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 230000004048 modification Effects 0.000 claims abstract description 9
- 238000012986 modification Methods 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims abstract description 8
- 239000000178 monomer Substances 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims description 68
- 230000008569 process Effects 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 10
- 238000012795 verification Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
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- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 206010000496 acne Diseases 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 238000003012 network analysis Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 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
- H02H7/22—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
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
Do not have a power failure the invention proposes a kind of intelligent substation and increases interval cut-in method newly.The newly-increased interval debugging of monomer realization of debugging is carried out by model modification and to newly-increased interval；Shared device access is realized by executing safety measure, intelligent acess and updating configuration inspection；It puts into busbar protective device and increases interval SV soft pressing plate newly; intelligent terminal outlet hard pressing plate is exiting position, samples Correctness checking by SV, newly-increased interval combining unit and bus combining unit cascade debugging, bus protection GOOSE send and receive debugging, whole group transmission test, overhaul pressing plate corresponding Correctness checking, failure recovery and the public debugging of net point realization of debugging；Bus differential protection puts into operation put into operation by newly-increased interval before bus differential protection put into operation and newly-increased interval put into operation after bus differential protection put into operation and realize public put into operation.The present invention solves the newly-increased interval of intelligent substation and often needs to whole station power failure or be partially spaced the problems such as having a power failure, and reduces the power off time of whole station, improves the power supply reliability of intelligent substation.
Description
Technical field
The invention belongs to field of relay protection in power, do not have a power failure the present invention relates to a kind of intelligent substation and increase interval newly
Cut-in method.
Background technique
The support of intelligent power grid technology is carried out as State Grid Corporation of China, intelligent substation has its low-carbon, environmental protection, elder generation
Into, it is reliable many advantages, such as.Intelligent Substation System structure (includes: master station, engineer station, information substation by station level
Deng), wall (include: line protective devices, main transformer protection device, busbar protective device, fault wave recording device, network analysis
Device etc.) and wall (including: breaker, combining unit, intelligent terminal etc.) composition.With the popularization of intelligent substation, entirely
The intelligence of state various regions becomes rises sheer from level ground like the mushrooms after rain, and various problems are comed one after another therewith.It is the transformation and upgrade that intelligently become, newly-increased
The problems such as interval, dissipating public loop access, has also put on work schedule.Due to consideration that newly-increased interval be related to IED, ICD, CID,
The update of SCD file, lower dress, virtual LAN VLAN repartition the modification verifying of equal configuration files and need to re-start
The logical problems such as tripping, signal, locking are verified in joint debugging, and intelligent substation generally has a power failure at newly-increased interval frequently with whole station or portion
The deficiencies of dividing the mode for being spaced power failure, the long period that has a power failure, block supply stability decrease certainly will be will cause in this way, therefore intelligent change
The newly-increased interval in power station, which does not have a power failure, to be accessed thought and comes into being.
Summary of the invention
Do not have a power failure the present invention provides intelligent substation and increase interval cut-in method newly, increases interval newly to solve intelligent substation
The problem of needing whole station power failure or brownout.
Present system includes: network analyzing apparatus, fault wave recording device, busbar protective device, line protective devices, stands
Control layer switch, electromagnetic transformer, combining unit, breaker, intelligent terminal, process layer switch；
The network analyzing apparatus is connect with the station level interchanger by cable；The fault wave recording device with it is described
Station level interchanger is connected by cable；The busbar protective device is connect with the station level interchanger by cable；It is described
Line protective devices are connect with the station level interchanger by cable；The electromagnetic transformer passes through with the combining unit
Conducting wire connection；The combining unit is connect with the line protective devices by optical cable；The combining unit and the station level
Interchanger is connected by cable；The breaker is connect with the intelligent terminal by conducting wire；The intelligent terminal and the mistake
Journey layer switch is connected by cable；Shown process layer switch is connect with the line protective devices by cable.
To solve the above-mentioned problems, intelligent substation of the invention, which does not have a power failure, increases the scheme and process of interval cut-in method newly
It is as follows:
Step 1: carrying out the newly-increased interval debugging of monomer realization of debugging by model modification and to newly-increased interval；
Step 2: realizing shared device access by executing safety measure, intelligent acess and updating configuration inspection；
Step 3: increasing interval SV soft pressing plate in investment busbar protective device newly, intelligent terminal outlet hard pressing plate is exiting position
It sets, Correctness checking, newly-increased interval combining unit and bus combining unit cascade debugging, bus protection GOOSE is sampled by SV
Send and receive that debugging, whole group transmission test, to correspond to Correctness checking, failure recovery and net point realization of debugging public for maintenance pressing plate
Debugging；
Step 4: the bus differential protection bus differential protection before being put into operation by newly-increased interval that puts into operation puts into operation and after newly-increased interval puts into operation
Bus differential protection put into operation and realize public put into operation.
Preferably, model modification described in step 1 are as follows:
Newly-increased interval related information is added in former SCD file, i.e., on the basis of whole station system configuration file, generates new SCD text
Part, by checking that virtual terminator line checks system configuration file；
It further include line protective devices, combining unit and intelligent terminal etc. since newly-increased spacer monomers are in addition to primary equipment
Secondary device, so first by the IED (that is: intelligent electronic device) and ICD (that is: IED energy of newly-increased interval line protective devices
Power describes file) file generates CID (that is: the ICD after instantiation) file of the interval protective device jointly, download CID file
Into the interval protective device and check the correctness of CID file configuration；Then by newly-increased interval combining unit and intelligent terminal
IED (that is: intelligent electronic device) and ICD (that is: IED capabilities description file) file generate respectively the interval combining unit and
CID (that is: the ICD after instantiation) file of intelligent terminal downloads CID file to the interval combining unit and intelligent terminal respectively
In and check the correctness of CID file configuration；Finally to the equipment such as newly-increased interval protective device, combining unit, intelligent terminal into
Row debugging；
Newly-increased spacing devices are debugged described in step 1 are as follows:
Newly-increased spacing devices are debugged, using combining unit tester, by the way that mould is added at newly-increased interval combining unit
Analog quantity sampling is checked telemetering whether in reasonable error range in protective device and combining unit tester, and is utilized logical
It crosses intelligent terminal tester and increases the linkage of newly-increased interval protective device newly interval primary equipment, it is reliable to newly-increased interval intelligent terminal
Property and quick-action tested, whether the verification signals such as remote signalling, remote control and remote regulating correct, finally utilize on the protection device
The correctness that digital protection equipment tester dosage verifies whole group transmission breaker, the inline block signal in interval is tested, and with
Whether backstage verification is correct；
Preferably, executing safety measure described in step 2 are as follows:
It puts into bus differential protection and overhauls hard pressing plate；
Exit bus differential protection function soft pressing plate；
Line related, main transformer and mother interval GOOSE are exited respectively sends soft pressing plate；
Line related, main transformer and mother interval GOOSE are exited respectively receives soft pressing plate；
It exits line related, main transformer and mother interval SV respectively and receives soft pressing plate (bus combining unit is also required to exit)；
Check line related, main transformer and mother compartment every each intelligent terminal maintenance pressing plate in the state that exits, i.e., by pair
It is checked according to putting into and exiting definite value table to realize；
Intelligent acess described in step 2 are as follows:
Turn to jump to Intelligent control cabinet by tail optical fiber from newly-increased interval combining unit, intelligent terminal, bus combining unit first
Fibre distribution frame, then jumped to by optical cable to the fibre distribution frame of the bus protection screen of master control room, then by 3 tail optical fibers
The corresponding ports of bus protection screen；The followed by intelligent acess of center switch, the first VLAN of progress center switch are again
It divides；VLAN restarts interchanger after dividing, then the stern fast at newly-increased interval is directly connected into the specified port of interchanger；
Configuration inspection is updated described in step 2 are as follows:
Update bus differential protection device CID file；Update fault wave recording device CID file；Update network analyzing apparatus CID text
Part；Renewal process layer center switch VLAN is divided；By the debugging serial interface on bus differential protection device, the mother's difference for observing update is protected
Protection unit CID file, the fault wave recording device CID file of update, update net separating device CID file and update process layer
Whether center switch VLAN divides all containing newly-increased interval related information, to check whether CID file is correct；
Preferably, SV described in step 3 samples Correctness checking method particularly includes:
Add practical three-phase electricity flow in newly-increased interval combining unit, when the maintenance of bus protection and newly-increased interval combining unit
When pressing plate state consistency, check whether sampled value and reality are consistent at busbar protective device.Specific verification process is as follows: adding
Enter three-phase current IA\IB\ICUnder, when pressing plate is overhauled at newly-increased interval and bus protection maintenance pressing plate is all put into, busbar protective device
Current value added by upper display；When newly-increased interval maintenance pressing plate is put into and bus protection maintenance pressing plate exits, busbar protective device
Upper newly-increased spacing current value is without display；When newly-increased interval maintenance pressing plate exits and bus protection maintenance pressing plate is put into, bus is protected
Spacing current value is increased on protection unit newly without display；It is female when newly-increased interval maintenance pressing plate and bus protection maintenance pressing plate all exit
Added current value is shown in line protective device, is shown in Table 1.
The newly-increased interval combining unit described in step 3 and the cascade of bus combining unit are debugged method particularly includes:
Check whether newly-increased interval combining unit is communicated with bus combining unit normal, and two combining units overhaul hard pressing plate shape
State is consistent, and is opened respectively in intelligent terminal into I mother, mother II position, increases the corresponding display I mother of interval line protective devices, II newly
Female voltage.
Bus differential protection GOOSE described in step 3 sends and receivees debugging method particularly includes:
By bus differential protection device and newly-increased interval intelligent terminal maintenance hard pressing plate investment, in newly-increased interval intelligent terminal punishment
It does not open into 1G and 2G every cutter position, observes whether space state in busbar protective device correctly shows；
By newly-increased interval intelligent terminal box combining unit maintenance hard pressing plate investment, opened respectively at newly-increased interval intelligent terminal
Enter 1G and 2G every cutter position, carries out secondary dosage with traditional microcomputer protective relay tester at newly-increased Intelligent control cabinet
(being more than differential setting valve) outputs bus differential protection action, and newly-increased interval intelligent terminal receives trip signal, corresponding newly-increased interval
Route protection screen is also by lock-reclosing lock block signal.
The whole group transmission test described in step 3 method particularly includes:
Maintenance hard pressing plate investment in newly-increased interval intelligent terminal, combining unit and protective device, closes breaker, protects
Reclosing throwing is not examined, the open charging of reclosing, opened respectively at newly-increased interval intelligent terminal into 1G and 2G every cutter position (in order to
Simulate truth, it is contemplated that safety factor is shorted corresponding disconnecting link position in newly-increased interval Intelligent control cabinet), it is single merging
First dosage transmission bus protection movement, breaker three jump lock-reclosing lock, and detailed process is as shown in table 2；
Maintenance hard pressing plate described in step 3 corresponds to Correctness checking method particularly includes:
It need to be tested by following four mode, to guarantee the correctness of GOOSE link.But actually interval cannot
Investment maintenance pressing plate, false tripping interval, bus differential protection have to investment maintenance hard pressing plate in order to prevent, actually can only be to maintenance
Equipment throws inspecting state verifying, i.e. mode 3, mode 4；
Specific step is as follows: before maintenance hard pressing plate and bus differential protection investment maintenance hard pressing plate are not thrown in interval protection
It puts, if maintenance hard pressing plate is thrown in newly-increased interval protection, in the transmission bus protection movement of combining unit dosage, newly-increased interval is disconnected
Road device acts (becoming gate-dividing state from "on" position)；If maintenance hard pressing plate is not thrown in newly-increased interval protection, in combining unit plus
Newly-increased interval breaker is failure to actuate (being still "on" position) when amount transmission bus protection movement；
Failure recovery described in step 3 and net point debugging method particularly includes:
Check that failure recovery and net point and new interval communication link are normal, alarm signal without exception；Merge at newly-increased interval
Add actual current amount at unit, checks that wave recording device is shown correctly；When doing whole group transmission test, service personnel should be sent to see closely
It is correct to examine message information in net point and failure recovery.
It puts into operation preferably, increasing the bus differential protection before interval is put into operation described in step 4 newly are as follows:
It exits bus differential protection maintenance hard pressing plate, exit that the newly-increased interval SV of female difference is received, GOOSE sends and receivees soft pressing plate；
The newly-increased interval combining unit of investment, intelligent terminal overhaul hard pressing plate；
It puts into bus differential protection line related, main transformer and mother interval GOOSE reception, SV and receives soft pressing plate；
Check that each interval of bus differential protection is opened correct into position, sampled value, checks that difference stream is normal；
Put into bus differential protection function pressing plate；
It puts into bus differential protection line related, main transformer and mother interval GOOSE and sends soft pressing plate；
The bus differential protection after interval is put into operation is increased described in step 4 newly to put into operation are as follows:
Exit bus differential protection function pressing plate；It is soft to exit bus differential protection line related, main transformer and mother interval GOOSE transmission
Pressing plate (ensures not export)；
Put into the newly-increased interval SV reception of bus differential protection, GOOSE receives soft pressing plate；
Newly-increased interval investment takes load (closing newly-increased interval breaker).
Check that the newly-increased interval of bus differential protection and each interval are opened correct into position, sampled value, check that difference stream is normal；
Put into bus differential protection function pressing plate；
It puts into bus differential protection line related, main transformer and mother interval GOOSE and sends soft pressing plate.
The present invention solves the newly-increased interval of intelligent substation and often needs to whole station power failure or be partially spaced the problems such as having a power failure, contracting
The power off time for having subtracted whole station improves the power supply reliability of intelligent substation.
Detailed description of the invention
Fig. 1: intelligent Substation System structure；
Fig. 2: model modification；
Fig. 3: newly-increased interval and bus interval circuit diagram；
Fig. 4: GOOSE joint debugging scheme；
Fig. 5: the method for the present invention process.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Present system includes: network analyzing apparatus, fault wave recording device, busbar protective device, line protective devices, stands
Control layer switch, electromagnetic transformer, combining unit, breaker, intelligent terminal, process layer switch；
The network analyzing apparatus is connect with the station level interchanger by cable；The fault wave recording device with it is described
Station level interchanger is connected by cable；The busbar protective device is connect with the station level interchanger by cable；It is described
Line protective devices are connect with the station level interchanger by cable；The electromagnetic transformer passes through with the combining unit
Conducting wire connection；The combining unit is connect with the line protective devices by optical cable；The combining unit and the station level
Interchanger is connected by cable；The breaker is connect with the intelligent terminal by conducting wire；The intelligent terminal and the mistake
Journey layer switch is connected by cable；Shown process layer switch is connect with the line protective devices by cable.
The network analyzing apparatus type selecting is the magnificent electricity ZH-5N of middle member；
The fault wave recording device type selecting is the magnificent electricity ZH-3D of middle member；
The busbar protective device type selecting is to be permitted relay WMH-800B/G；
The line protective devices type selecting is to be permitted relay WXH-803B/G；
The station level interchanger type selecting is that state's electricity is southern from PSW-618GAG；
The electromagnetic transformer type selecting is that Shaanxi length opens LB6-126W3；
The combining unit type selecting is that state's electricity is southern from PSMU602GC；
The breaker type selecting is that Sichuan Thailand opens electrical LW36-126/2000A；
The intelligent terminal type selecting is that state's electricity is southern from PSIU602；
The process layer switch type selecting is that state's electricity is southern from PSW-618GAG.
With reference to the accompanying drawing, a specific embodiment of the invention is introduced are as follows:
Step 1: carrying out the newly-increased interval debugging of monomer realization of debugging by model modification and to newly-increased interval；
Model modification described in step 1 are as follows:
Newly-increased interval related information is added in former SCD file, i.e., on the basis of whole station system configuration file, generates new SCD text
Part, by checking that virtual terminator line checks system configuration file；
It further include line protective devices, combining unit and intelligent terminal etc. since newly-increased spacer monomers are in addition to primary equipment
Secondary device, so first by the IED (that is: intelligent electronic device) and ICD (that is: IED energy of newly-increased interval line protective devices
Power describes file) file generates CID (that is: the ICD after instantiation) file of the interval protective device jointly, download CID file
Into the interval protective device and check the correctness of CID file configuration；Then by newly-increased interval combining unit and intelligent terminal
IED (that is: intelligent electronic device) and ICD (that is: IED capabilities description file) file generate respectively the interval combining unit and
CID (that is: the ICD after instantiation) file of intelligent terminal downloads CID file to the interval combining unit and intelligent terminal respectively
In and check the correctness of CID file configuration；Finally to the equipment such as newly-increased interval protective device, combining unit, intelligent terminal into
Row debugging；
Newly-increased spacing devices are debugged described in step 1 are as follows:
Newly-increased spacing devices are debugged, using combining unit tester, by the way that mould is added at newly-increased interval combining unit
Analog quantity sampling is checked telemetering whether in reasonable error range in protective device and combining unit tester, and is utilized logical
It crosses intelligent terminal tester and increases the linkage of newly-increased interval protective device newly interval primary equipment, it is reliable to newly-increased interval intelligent terminal
Property and quick-action tested, whether the verification signals such as remote signalling, remote control and remote regulating correct, finally utilize on the protection device
The correctness that digital protection equipment tester dosage verifies whole group transmission breaker, the inline block signal in interval is tested, and with
Whether backstage verification is correct；
Step 2: realizing shared device access by executing safety measure, intelligent acess and updating configuration inspection；
Safety measure is executed described in step 2 are as follows:
It puts into bus differential protection and overhauls hard pressing plate；
Exit bus differential protection function soft pressing plate；
Line related, main transformer and mother interval GOOSE are exited respectively sends soft pressing plate；
Line related, main transformer and mother interval GOOSE are exited respectively receives soft pressing plate；
It exits line related, main transformer and mother interval SV respectively and receives soft pressing plate (bus combining unit is also required to exit)；
Check line related, main transformer and mother compartment every each intelligent terminal maintenance pressing plate in the state that exits, i.e., by pair
It is checked according to putting into and exiting definite value table to realize；
Intelligent acess described in step 2 are as follows:
Turn to jump to Intelligent control cabinet by tail optical fiber from newly-increased interval combining unit, intelligent terminal, bus combining unit first
Fibre distribution frame, then jumped to by optical cable to the fibre distribution frame of the bus protection screen of master control room, then by 3 tail optical fibers
The corresponding ports of bus protection screen；The followed by intelligent acess of center switch, the first VLAN of progress center switch are again
It divides；VLAN restarts interchanger after dividing, then the stern fast at newly-increased interval is directly connected into the specified port of interchanger；
Configuration inspection is updated described in step 2 are as follows:
Update bus differential protection device CID file；Update fault wave recording device CID file；Update network analyzing apparatus CID text
Part；Renewal process layer center switch VLAN is divided；By the debugging serial interface on bus differential protection device, the mother's difference for observing update is protected
Protection unit CID file, the fault wave recording device CID file of update, update net separating device CID file and update process layer
Whether center switch VLAN divides all containing newly-increased interval related information, to check whether CID file is correct；
Step 3: increasing interval SV soft pressing plate in investment busbar protective device newly, intelligent terminal outlet hard pressing plate is exiting position
It sets, Correctness checking, newly-increased interval combining unit and bus combining unit cascade debugging, bus protection GOOSE is sampled by SV
Send and receive that debugging, whole group transmission test, to correspond to Correctness checking, failure recovery and net point realization of debugging public for maintenance pressing plate
Debugging；
SV described in step 3 samples Correctness checking method particularly includes:
Add practical three-phase electricity flow in newly-increased interval combining unit, when the maintenance of bus protection and newly-increased interval combining unit
When pressing plate state consistency, check whether sampled value and reality are consistent at busbar protective device.Specific verification process is as follows: adding
Enter three-phase current IA\IB\ICUnder, when pressing plate is overhauled at newly-increased interval and bus protection maintenance pressing plate is all put into, busbar protective device
Current value added by upper display；When newly-increased interval maintenance pressing plate is put into and bus protection maintenance pressing plate exits, busbar protective device
Upper newly-increased spacing current value is without display；When newly-increased interval maintenance pressing plate exits and bus protection maintenance pressing plate is put into, bus is protected
Spacing current value is increased on protection unit newly without display；It is female when newly-increased interval maintenance pressing plate and bus protection maintenance pressing plate all exit
Added current value is shown in line protective device, is shown in Table 1, and table 1 is newly-increased interval combining unit SV letter related to bus protection
Cease flow verification
Table 1
| Newly-increased interval combining unit state | Bus protection state | Bus protection is shown |
| Pressing plate investment is overhauled, three-phase current I is addedA\IB\IC | Overhaul pressing plate investment | Display |
| Pressing plate investment is overhauled, three-phase current I is addedA\IB\IC | Maintenance pressing plate exits | Nothing |
| Maintenance pressing plate exits, and adds three-phase current IA\IB\IC | Overhaul pressing plate investment | Nothing |
| Maintenance pressing plate exits, and adds three-phase current IA\IB\IC | Maintenance pressing plate exits | Display |
The newly-increased interval combining unit described in step 3 and the cascade of bus combining unit are debugged method particularly includes:
Check whether newly-increased interval combining unit is communicated with bus combining unit normal, and two combining units overhaul hard pressing plate shape
State is consistent, and is opened respectively in intelligent terminal into I mother, mother II position, increases the corresponding display I mother of interval line protective devices, II newly
Female voltage.
Bus differential protection GOOSE described in step 3 sends and receivees debugging method particularly includes:
By bus differential protection device and newly-increased interval intelligent terminal maintenance hard pressing plate investment, in newly-increased interval intelligent terminal punishment
It does not open into 1G and 2G every cutter position, observes whether space state in busbar protective device correctly shows；
By newly-increased interval intelligent terminal box combining unit maintenance hard pressing plate investment, opened respectively at newly-increased interval intelligent terminal
Enter 1G and 2G every cutter position, carries out secondary dosage with traditional microcomputer protective relay tester at newly-increased Intelligent control cabinet
(being more than differential setting valve) outputs bus differential protection action, and newly-increased interval intelligent terminal receives trip signal, corresponding newly-increased interval
Route protection screen is also by lock-reclosing lock block signal.
The whole group transmission test described in step 3 method particularly includes:
Maintenance hard pressing plate investment in newly-increased interval intelligent terminal, combining unit and protective device, closes breaker, protects
Reclosing throwing is not examined, the open charging of reclosing, opened respectively at newly-increased interval intelligent terminal into 1G and 2G every cutter position (in order to
Simulate truth, it is contemplated that safety factor is shorted corresponding disconnecting link position in newly-increased interval Intelligent control cabinet), it is single merging
First dosage transmission bus protection movement, breaker three jump lock-reclosing lock, and detailed process is as shown in table 2, and table 2 is bus differential protection biography
Dynamic newly-increased interval whole group transmission test
The newly-increased interval whole group transmission test of 2 bus differential protection of table transmission
Maintenance hard pressing plate described in step 3 corresponds to Correctness checking method particularly includes:
It need to be tested by following four mode, to guarantee the correctness of GOOSE link.But actually interval cannot
Investment maintenance pressing plate, false tripping interval, bus differential protection have to investment maintenance hard pressing plate in order to prevent, actually can only be to maintenance
Equipment throws inspecting state verifying, i.e. mode 3, mode 4；
Specific step is as follows: before maintenance hard pressing plate and bus differential protection investment maintenance hard pressing plate are not thrown in interval protection
It puts, if maintenance hard pressing plate is thrown in newly-increased interval protection, in the transmission bus protection movement of combining unit dosage, newly-increased interval is disconnected
Road device acts (becoming gate-dividing state from "on" position)；If maintenance hard pressing plate is not thrown in newly-increased interval protection, in combining unit plus
Newly-increased interval breaker is failure to actuate (being still "on" position) when amount transmission bus protection movement；
Failure recovery described in step 3 and net point debugging method particularly includes:
Check that failure recovery and net point and new interval communication link are normal, alarm signal without exception；Merge at newly-increased interval
Add actual current amount at unit, checks that wave recording device is shown correctly；When doing whole group transmission test, service personnel should be sent to see closely
It is correct to examine message information in net point and failure recovery.
Step 4: the bus differential protection bus differential protection before being put into operation by newly-increased interval that puts into operation puts into operation and after newly-increased interval puts into operation
Bus differential protection put into operation and realize public put into operation.
The bus differential protection before interval is put into operation is increased described in step 4 newly to put into operation are as follows:
It exits bus differential protection maintenance hard pressing plate, exit that the newly-increased interval SV of female difference is received, GOOSE sends and receivees soft pressing plate；
The newly-increased interval combining unit of investment, intelligent terminal overhaul hard pressing plate；
It puts into bus differential protection line related, main transformer and mother interval GOOSE reception, SV and receives soft pressing plate；
Check that each interval of bus differential protection is opened correct into position, sampled value, checks that difference stream is normal；
Put into bus differential protection function pressing plate；
It puts into bus differential protection line related, main transformer and mother interval GOOSE and sends soft pressing plate；
The bus differential protection after interval is put into operation is increased described in step 4 newly to put into operation are as follows:
Exit bus differential protection function pressing plate；It is soft to exit bus differential protection line related, main transformer and mother interval GOOSE transmission
Pressing plate (ensures not export)；
Put into the newly-increased interval SV reception of bus differential protection, GOOSE receives soft pressing plate；
Newly-increased interval investment takes load (closing newly-increased interval breaker).
Check that the newly-increased interval of bus differential protection and each interval are opened correct into position, sampled value, check that difference stream is normal；
Put into bus differential protection function pressing plate；
It puts into bus differential protection line related, main transformer and mother interval GOOSE and sends soft pressing plate.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of invention patent protection range, those skilled in the art under the inspiration of the present invention, are not departing from power of the present invention
Benefit requires to make replacement or deformation under protected ambit, fall within the scope of protection of the present invention, this hair
It is bright range is claimed to be determined by the appended claims.
Claims (6)
- The newly-increased interval cut-in method 1. a kind of intelligent substation does not have a power failure, which comprises the following steps:Step 1: carrying out the newly-increased interval debugging of monomer realization of debugging by model modification and to newly-increased interval；Step 2: realizing shared device access by executing safety measure, intelligent acess and updating configuration inspection；Step 3: increasing interval SV soft pressing plate in investment busbar protective device newly, intelligent terminal outlet hard pressing plate is exiting position, leading to Cross SV sampling Correctness checking, newly-increased interval combining unit and bus combining unit cascade debugging, bus protection GOOSE reception and Transmission debugging, whole group transmission test, maintenance pressing plate correspond to Correctness checking, failure recovery and the public debugging of net point realization of debugging；Step 4: bus differential protection, which puts into operation, is put into operation and is increased newly the mother being spaced after putting into operation by the newly-increased bus differential protection being spaced before putting into operation Difference protection, which puts into operation, realizes public put into operation.
- The newly-increased interval cut-in method 2. intelligent substation according to claim 1 does not have a power failure, it is characterised in that:Model modification described in step 1 are as follows:Newly-increased interval related information is added in former SCD file, i.e., on the basis of whole station system configuration file, generates new SCD file, is led to Inspection virtual terminator line is crossed to check system configuration file；It further include that line protective devices, combining unit and intelligent terminal etc. are secondary since newly-increased spacer monomers are in addition to primary equipment Equipment, so first by the IED (that is: intelligent electronic device) and ICD (that is: IED ability description of newly-increased interval line protective devices File) file generates CID (that is: the ICD after instantiation) file of the interval protective device jointly, and downloading CID file is between this Every in protective device and checking the correctness of CID file configuration；Then by the IED of newly-increased interval combining unit and intelligent terminal (that is: intelligent electronic device) and ICD (that is: IED capabilities description file) file generates the interval combining unit and intelligence eventually respectively CID (that is: the ICD after the instantiation) file at end is downloaded CID file respectively and into the interval combining unit and intelligent terminal and is examined Look into the correctness of CID file configuration；Finally the equipment such as newly-increased interval protective device, combining unit, intelligent terminal are debugged；Newly-increased spacing devices are debugged described in step 1 are as follows:Newly-increased spacing devices are debugged, using combining unit tester, by the way that analog quantity is added at newly-increased interval combining unit Sampling checks telemetering whether in reasonable error range in protective device and combining unit tester, and utilizes and pass through intelligence Can terminal tester newly-increased interval protective device is linked newly-increased interval primary equipment, to newly-increased interval intelligent terminal reliability with Quick-action is tested, and whether the signals such as verification remote signalling, remote control and remote regulating are correct, finally utilizes number on the protection device Formula protective device tester dosage verifies the correctness of whole group transmission breaker, interval inline block signal test, and with backstage It whether correct checks.
- The newly-increased interval cut-in method 3. intelligent substation according to claim 1 does not have a power failure, it is characterised in that: in step 2 The execution safety measure are as follows:It puts into bus differential protection and overhauls hard pressing plate；Exit bus differential protection function soft pressing plate；Line related, main transformer and mother interval GOOSE are exited respectively sends soft pressing plate；Line related, main transformer and mother interval GOOSE are exited respectively receives soft pressing plate；It exits line related, main transformer and mother interval SV respectively and receives soft pressing plate (bus combining unit is also required to exit)；Check that line related, main transformer and mother compartment in the state that exits, i.e., are thrown every each intelligent terminal maintenance pressing plate by control Enter and exit definite value table and is realized to check；Intelligent acess described in step 2 are as follows:Jump to the light of Intelligent control cabinet by tail optical fiber turn from newly-increased interval combining unit, intelligent terminal, bus combining unit first Fine distributing frame, then pass through on optical cable to the fibre distribution frame of the bus protection screen of master control room, then jump to bus by 3 tail optical fibers and protect Protect the corresponding ports of screen；The VLAN of the followed by intelligent acess of center switch, first progress center switch is divided again； VLAN restarts interchanger after dividing, then the stern fast at newly-increased interval is directly connected into the specified port of interchanger；Configuration inspection is updated described in step 2 are as follows:Update bus differential protection device CID file；Update fault wave recording device CID file；Update network analyzing apparatus CID file； Renewal process layer center switch VLAN is divided；By the debugging serial interface on bus differential protection device, the bus differential protection of update is observed In device CID file, the fault wave recording device CID file of update, the net separating device CID file of update and the process layer of update Whether heart interchanger VLAN divides all containing newly-increased interval related information, to check whether CID file is correct.
- The newly-increased interval cut-in method 4. intelligent substation according to claim 1 does not have a power failure, it is characterised in that: in step 3 The SV samples Correctness checking method particularly includes:Add practical three-phase electricity flow in newly-increased interval combining unit, when the maintenance pressing plate of bus protection and newly-increased interval combining unit When state consistency, checks whether sampled value and reality are consistent, and specific verification process is as follows at busbar protective device: being added three Phase current IA\IB\ICUnder, when pressing plate is overhauled at newly-increased interval and bus protection maintenance pressing plate is all put into, shown on busbar protective device Show added current value；It is new on busbar protective device when newly-increased interval maintenance pressing plate is put into and bus protection maintenance pressing plate exits Increase spacing current value without display；When newly-increased interval maintenance pressing plate exits and bus protection maintenance pressing plate is put into, bus protection dress Newly-increased spacing current value is set without display；When newly-increased interval maintenance pressing plate and bus protection maintenance pressing plate all exit, bus is protected Added current value is shown on protection unit；The newly-increased interval combining unit described in step 3 and the cascade of bus combining unit are debugged method particularly includes:Check whether newly-increased interval combining unit is communicated with bus combining unit normal, and two combining units are overhauled hard pressing plate state and protected It holds unanimously, is opened respectively in intelligent terminal into I mother, mother II position, newly-increased interval line protective devices are corresponding to show I mother, II mother's electricity Pressure；Bus differential protection GOOSE described in step 3 sends and receivees debugging method particularly includes:By bus differential protection device and newly-increased interval intelligent terminal maintenance hard pressing plate investment, opened respectively at newly-increased interval intelligent terminal Enter 1G and 2G every cutter position, observes whether space state in busbar protective device correctly shows；By newly-increased interval intelligent terminal box combining unit maintenance hard pressing plate investment, opened respectively at newly-increased interval intelligent terminal into 1G With 2G every cutter position, carrying out secondary dosage with traditional microcomputer protective relay tester at newly-increased Intelligent control cabinet (is more than Differential setting valve) bus differential protection action is outputed, newly-increased interval intelligent terminal receives trip signal, and corresponding newly-increased interval route is protected Shield screen is also by lock-reclosing lock block signal；The whole group transmission test described in step 3 method particularly includes:Maintenance hard pressing plate investment in newly-increased interval intelligent terminal, combining unit and protective device, closes breaker, and protection is overlapped Lock throwing is not examined, the open charging of reclosing, is opened respectively at newly-increased interval intelligent terminal (true in order to simulate every cutter position into 1G and 2G Truth condition, it is contemplated that safety factor is shorted corresponding disconnecting link position in newly-increased interval Intelligent control cabinet), in combining unit dosage It is driven bus protection movement, breaker three jumps lock-reclosing lock；Maintenance hard pressing plate described in step 3 corresponds to Correctness checking method particularly includes:It need to be tested by following four mode, to guarantee the correctness of GOOSE link；But actually interval cannot be put into Pressing plate is overhauled, in order to prevent false tripping interval, bus differential protection has to investment maintenance hard pressing plate, actually can only be to repair apparatus Throw inspecting state verifying, i.e. mode 3, mode 4；Specific step is as follows: not throwing the premise of maintenance hard pressing plate and bus differential protection investment maintenance hard pressing plate in interval protection Under, if maintenance hard pressing plate is thrown in newly-increased interval protection, the newly-increased interval open circuit in the transmission bus protection movement of combining unit dosage Device acts (becoming gate-dividing state from "on" position)；If maintenance hard pressing plate is not thrown in newly-increased interval protection, in combining unit dosage Newly-increased interval breaker is failure to actuate (being still "on" position) when transmission bus protection movement；Failure recovery described in step 3 and net point debugging method particularly includes:Check that failure recovery and net point and new interval communication link are normal, alarm signal without exception；In newly-increased interval combining unit Place plus actual current amount check that wave recording device is shown correctly；When doing whole group transmission test, service personnel's close observation net should be sent Divide correct with message information in failure recovery.
- The newly-increased interval cut-in method 5. intelligent substation according to claim 1 does not have a power failure, it is characterised in that: in step 4 Bus differential protection before the newly-increased interval is put into operation puts into operation are as follows:It exits bus differential protection maintenance hard pressing plate, exit that the newly-increased interval SV of female difference is received, GOOSE sends and receivees soft pressing plate；Investment Newly-increased interval combining unit, intelligent terminal overhaul hard pressing plate；It puts into bus differential protection line related, main transformer and mother interval GOOSE reception, SV and receives soft pressing plate；Check that each interval of bus differential protection is opened correct into position, sampled value, checks that difference stream is normal；Put into bus differential protection function pressing plate；It puts into bus differential protection line related, main transformer and mother interval GOOSE and sends soft pressing plate；The bus differential protection after interval is put into operation is increased described in step 4 newly to put into operation are as follows:Exit bus differential protection function pressing plate；It exits bus differential protection line related, main transformer and mother interval GOOSE and sends soft pressing plate (ensuring not export)；Put into the newly-increased interval SV reception of bus differential protection, GOOSE receives soft pressing plate；Newly-increased interval investment takes load (closing newly-increased interval breaker)；Check that the newly-increased interval of bus differential protection and each interval are opened correct into position, sampled value, check that difference stream is normal；Put into bus differential protection function pressing plate；It puts into bus differential protection line related, main transformer and mother interval GOOSE and sends soft pressing plate.
- The newly-increased interval access system 6. a kind of intelligent substation does not have a power failure characterized by comprising network analyzing apparatus, failure Wave recording device, busbar protective device, line protective devices, station level interchanger, electromagnetic transformer, combining unit, breaker, Intelligent terminal, process layer switch；The network analyzing apparatus is connect with the station level interchanger by cable；The fault wave recording device and the station are controlled Layer switch is connected by cable；The busbar protective device is connect with the station level interchanger by cable；The route Protective device is connect with the station level interchanger by cable；The electromagnetic transformer and the combining unit pass through conducting wire Connection；The combining unit is connect with the line protective devices by optical cable；The combining unit is exchanged with the station level Machine is connected by cable；The breaker is connect with the intelligent terminal by conducting wire；The intelligent terminal and the process layer Interchanger is connected by cable；Shown process layer switch is connect with the line protective devices by cable.
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