CN108347041A - A kind of container building block system site busbar protective device - Google Patents
A kind of container building block system site busbar protective device Download PDFInfo
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- CN108347041A CN108347041A CN201810422197.6A CN201810422197A CN108347041A CN 108347041 A CN108347041 A CN 108347041A CN 201810422197 A CN201810422197 A CN 201810422197A CN 108347041 A CN108347041 A CN 108347041A
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- submachine
- host apparatus
- air plug
- analog quantity
- protective device
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- 230000001681 protective effect Effects 0.000 title claims abstract description 35
- 238000004891 communication Methods 0.000 claims description 42
- 241000272814 Anser sp. Species 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 5
- 208000008454 Hyperhidrosis Diseases 0.000 claims description 3
- 230000037315 hyperhidrosis Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 25
- 239000000835 fiber Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005908 host-protective function Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer 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
- H02H7/22—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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/14—Protecting elements, switches, relays or circuit breakers
-
- 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
- Y04S40/126—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 wireless data transmission
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of container building block system site busbar protective device is related to electric system site protective device field.Currently, site busbar protective device quantity is more, sky is big with occupying, complicated, of high cost.The present invention includes a host apparatus and several submachines, submachine is by container form collection equipped with the counter element for connecting multiple branches, host apparatus is connected with submachine by modular system, and the access interface of host apparatus and submachine is all made of air plug；Host apparatus is responsible for the tripping outlet of the magnitude of current, voltage and the switch acquisition and access leg of partial branch；Submachine is the extension of host apparatus, and function is outputed in the tripping for being responsible for the magnitude of current, voltage and the switch acquisition and corresponding branch of the correspondence branch of access.The technical program is simple in structure, easy for installation, and space is few；Access interface uses air plug, protective capacities high.
Description
Technical field
The present invention relates to electric system site protective device field more particularly to a kind of container building block system site are female
Line protective device.
Background technology
According to substation's construction plan of Guo Wang companies and state's tune center control device is protected about intelligent substation secondary
Specialized management requirement, 2016 and newly-built substation will carry out fully according to intelligent substation pattern later, and 50% or more adopts
With New Generation of Intelligent substation pattern, wherein 220kV and following protection control device need to realize site, the unshielded peace of miniaturization
Die-filling formula.
Protective relaying device site refers to installing protective relaying device close to primary equipment, the popularization of site protection
Main control room screen position arrangement can be reduced, cable connection is greatly decreased, and got in touch with, exchanged with master control room by fiber optic communication
Information and reception order, simplify secondary circuit, improve device operating reliability.Site installation after, electromagnetic interference, temperature,
Vibratory impulse etc. influence because from interference source closer to, electromagnetic interference is strong, and Oscillation Amplitude is big, and lacks good temperature controlled environment,
Influence degree has substantially exceeded the influence run to protective device under conventional relay protection cell protection.On the one hand site guarantor is improved
Protection unit electromagnetic interference, temperature, jerk etc. test grade, on the other hand will be to operating parameters such as environment, the resources of device
Monitoring in real time, could note abnormalities in time.
Site line protective devices are monospace protection equipment, and a line protective devices are placed at every section of circuit both ends,
But bus protection, tranformer protection etc. are related to accessing compared with multiple branch circuit analog quantity across interval protection equipment, site protection dress
The access way of the deployment way set, each branch or each side form analog quantity is all different with route protection.
The characteristics of according to transformer, site tranformer protection use the side by side arrangement site tranformer protection handset
Formula realizes that each handset pulls bracelet and connects gives host together, and host is placed on transformer body, realizes that transformer is protected by host
Protective function is executed the action behavior of host apparatus by submachine.
It connects numerous outlet branches on busbar, under extreme case, 24 branches can be connected on 220kV busbares, if each
A submachine is arranged in branch, and a host apparatus is then arranged, then busbar protective device system can then seem very huge.
Therefore the quantity of device how is reduced, space hold is reduced, simplify mounting structure and enhances the protective capacities of interface, reduces cost
It is an important problem.
Invention content
The technical problem to be solved in the present invention and the technical assignment of proposition are that prior art is improved and improved,
A kind of container building block system site busbar protective device is provided, for the purpose of simplifying mounting structure, enhancing interference prevention ability.
For this purpose, the present invention takes following technical scheme.
A kind of container building block system site busbar protective device, including a host apparatus and several submachines, son
Machine device is useful for connecting the counter element of multiple branches, the host apparatus and handset by the form packaging of container
Device is connected by the mode of playing with building blocks, and the access interface of host apparatus and submachine is all made of air plug；The host apparatus
It is responsible for the acquisition of the magnitude of current, voltage and switching value of partial branch and the tripping outlet of access leg, and completes branch electricity
Tolerance acquires function, difference current calculates function, stalling current computing function, analog quantity computing function, remote operation interface work(
Energy, defencive function logic, human interface function, process layer input/output function, station level communication interface function；Submachine is
The magnitude of current, voltage and the switch acquisition of its correspondence branch accessed and corresponding branch are responsible in the extension of host apparatus
Tripping output function.The function of site busbar protective device, son are realized by a host apparatus and multiple submachines
Machine device carries out packaging to the counter element of multiple branches by the form of container and host apparatus and submachine are logical
It crosses the mode of playing with building blocks to connect, simplifies mounting structure, reduce space, it is easy for installation, quick；Host apparatus and handset dress
The access interface set is all made of air plug, effectively improves protective capacities.
As further improving and supplementing to above-mentioned technical proposal, the invention also includes following additional technical features.
Be parallel electrical connection between the host apparatus and each submachine with and meanwhile contact each submachine, and
And submachine is in the bottom of modular construction, top layer of the host apparatus in modular construction.Host apparatus contacts each height simultaneously
Machine device is not in that the functional interference between submachine does not interfere with other in a submachine failure
Submachine and host apparatus contact, and by host apparatus being set to the top layer of modular construction, are convenient for safeguarding.
By special communication link connection to realize electric simulation amount and switching value between host apparatus and submachine
Parallel transmission, the dedicated transmissions link are the optical fiber being encapsulated in air plug.Interference is avoided by special communication link, is made
Communication robust is reliable between host apparatus and submachine, is transmitted by optical fiber, and not by electromagnetic interference, stability is more preferable.
The host apparatus and submachine is equipped with 5 groups of air plugs, respectively forceful electric power air plug, outlet air plug, communication boat
Slotting, the first analog quantity air plug and the second analog quantity air plug.The grouping and specialization of realization air plug, unified interface standard, greatly
The interference between strong and weak electricity is reduced, keeps signal more stable.
The forceful electric power air plug of host apparatus includes providing device working power and accessing the opening into opening into packet of certain amount branch
Include busbar breaker position, mother palmer hyperhidrosis position and branch busbar disconnecting link position；The forceful electric power air plug of each submachine is equal
Disconnecting link position including the working power and connection branch that provide device.It can easily realize host apparatus and submachine
All forceful electric power connection.
Submachine totally 3, each submachine connect 8 branches.Pass through 3 submachines and each submachine
8 roads Ge Zi are connected, the case where busbar connects 24 branches can be effectively adapted to, applicability is good.
The communication air plug of host apparatus includes being no less than 21 optical fiber and its corresponding grafting port, including a pair of of mistake
Journey layer GOOSE groups network interface, a clock synchronization interface, two pairs of station level communication interfaces, a pair of of debugging mouth, 6 groups of device extension communications connect
Mouthful；A pair of of debugging mouth of submachine configuration and an extension communication interface.Various communication interface functions can be realized perfectly.
Under 3/2nds modes of connection, the first analog quantity air plug of host apparatus is responsible for 4 string current-mode analog quantity of acquisition,
Under non-3/2nds mode of connection, the first analog quantity air plug of host apparatus is responsible for acquiring the voltage and 1 branch of most 3 sections of busbares
The current-mode analog quantity on road, the second analog quantity air plug of host apparatus are responsible for acquiring the current-mode analog quantity of 4 branches；Submachine
First analog quantity air plug and the second analog quantity air plug acquire the current-mode analog quantity of 8 branches altogether.Conveniently realize current-mode analog quantity
Acquisition.
It is equipped with pulse per second (PPS) sample-synchronous system between the host apparatus and submachine, including is set on host apparatus
Pulse per second (PPS) synchronous generator and the pulse per second (PPS) synchronous signal receiver on submachine, submachine receiving
The analog quantity sampling of institute's access leg on the pulse per second (PPS) synchronizing signal post-processing submachine of pulse per second (PPS) synchronous generator.Side
Just sample-synchronous is realized.
Host apparatus, which is equipped with, to be monitored each special communication link and provides latch-up protection in special communication link exception
Monitoring protection module.Security monitoring and the abnormal obliteration protection of communication link can be effectively realized.
The outlet air plug of host apparatus and submachine include 8 branches A B C sequential trips outlet, share 32 electricity
Cable is constituted.Can fully achieve 8 branch A B C sequential trips outlet.
Host apparatus and the external input and output of submachine are all using armored cable or armored fiber optic.Armored cable or
Armored fiber optic shield effectiveness is good, and protection is safer.
The two-way exchange data of host apparatus and submachine exchange data content and are transmitted according to total mouth parallel mode, reported
Literary format is SV the and GOOSE data based on 61850 transport protocols, uplink analog quantity, switch acquisition, downlink tripping outlet life
It enables.
Advantageous effect：
1. realizing the function of site busbar protective device by a host apparatus and multiple submachines, submachine is logical
The form for crossing container carries out packaging to the counter element of multiple branches and host apparatus and submachine pass through the side of playing with building blocks
Formula connects, and simplifies mounting structure, reduces space, easy for installation, quick, waits for that the quantity of maintained equipment carries by reducing
The high efficiency of operation and maintenance.
2. by using air plug, armored cable or armored fiber optic effectively improve protective capacities.
It, will be on busbar 3. container building block system host apparatus and submachine are deployed to by reasonably optimizing in switch yard
Outlet branch accesses handset nearby, avoids secondary circuit and passes through cable duct to the problems in some collection.
4. being electrically connected and host apparatus being set to the top of modular construction between host apparatus and each submachine parallel
Layer contacts each submachine simultaneously convenient for host apparatus, is not in the functional interference between submachine, in a son
When machine device breaks down, contacting for other submachines and host apparatus is not interfered with, and convenient for safeguarding.
5. being connected by special communication link fiber between host apparatus and submachine, communication robust is reliable, not by electricity
Magnetic disturbance.
6. dry between strong and weak electricity by by purposes grouping and specialized unified interface standard, being greatly reduced to air plug
It disturbs, keeps signal more stable；The grouping of various special air plugs can be perfect the various interface functions of realization.
7. connecting 8 roads Ge Zi by 3 submachines and each submachine, can effectively adapt under extreme case
Busbar connects the case where 24 branches, and applicability is good.
8. sample-synchronous system can conveniently realize sample-synchronous.
Description of the drawings
Fig. 1 is the connection diagram of host apparatus and submachine of the present invention.
Fig. 2 is branch of the present invention and busbar connection diagram.
Fig. 3 is pulse per second (PPS) sample-synchronous system schematic of the present invention.
Fig. 4 is air plug interface definition figure of the present invention.
In figure：1- host apparatus；2- submachines；3- pulse per second (PPS) synchronous generators；4- pulse per second (PPS) synchronizing signals connect
Receive device；5- forceful electric power air plugs；6- exports air plug；7- communicates air plug；8- the first analog quantity air plugs；9- the second analog quantity air plugs.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with Figure of description.
As shown in Figs 1-4, a kind of container building block system site busbar protective device, including a host apparatus 1 and 3
Submachine 2, submachine 2 are useful for the counter element of 8 branches of connection, host apparatus by the form packaging of container
1 is connected with submachine 2 by the mode of playing with building blocks, and the access interface of host apparatus 1 and submachine 2 is all made of air plug, switch
In, the outlet branch on busbar accesses submachine 2 nearby；Host apparatus 1 is responsible for the voltage input of three busbar voltages
The tripping of acquisition and access leg with the magnitude of current, voltage and switching value of 5 branches exports, and completes branch electrical quantity
Acquire function, difference current calculates function, stalling current computing function, analog quantity computing function, remote operation interface function, protects
Protective function logic, human interface function, process layer input/output function, station level communication interface function, host apparatus 1 is on the spot
Change the function central system of bus protection；Submachine 2 is the extension of host apparatus 1, and submachine 2 cannot work independently, it
It needs to depend on host, is responsible for the magnitude of current, voltage and the switch acquisition of its correspondence branch accessed and corresponding branch
Tripping output function, each handset accesses 8 branches.
It is to be electrically connected with parallel while contacting each height between host apparatus 1 and each submachine 2 in order to facilitate maintenance
Machine device 2, and submachine 2 is in the bottom of modular construction, top layer of the host apparatus 1 in modular construction.Host apparatus 1 is same
When contact each submachine 2, be not in the functional interference between submachine 2, break down in a submachine 2
When, contacting for other submachines 2 and host apparatus 1 is not interfered with, it is easy to maintain, and by the way that host apparatus 1 is set to product
The top layer of timber structure is more convenient for being safeguarded.
In order to keep communication robust reliable, by special communication link connection to realize between host apparatus 1 and submachine 2
The parallel transmission of electric simulation amount and switching value, dedicated transmissions link are the optical fiber being encapsulated in air plug.Pass through special communication chain
Road avoids interference, makes between host apparatus 1 and submachine 2 that communication robust is reliable, is transmitted by optical fiber, not dry by electromagnetism
It disturbs, stability is more preferable.
Interfered with each other to reduce, host apparatus 1 and submachine 2 are equipped with 5 groups of air plugs, respectively forceful electric power air plug 5, go out
Mouth air plug 6, communication air plug 7, the first analog quantity air plug 8 and the second analog quantity air plug 9.Realize the grouping and specialization of air plug, system
One interface standard greatly reduces the interference between strong and weak electricity, keeps signal more stable.
In order to realize the connection of comprehensive forceful electric power, the forceful electric power air plug 5 of host apparatus 1 includes providing device 220V power supplys and each straight
The forceful electric power branch of stream is opened into opening into including busbar breaker position, mother palmer hyperhidrosis position and 8 branch busbar disconnecting link positions
It sets；The forceful electric power air plug 5 of each submachine 2 includes the disconnecting link position of the 220V power supplys and connection branch that provide device.Energy
Enough convenient realization host apparatus 1 are connected with all forceful electric power of submachine 2.
In order to realize various communication interface functions, the communication air plug 7 of host apparatus 1 includes no less than 21 optical fiber and its right
The grafting port answered, including a pair of of process layer GOOSE groups network interface, a clock synchronization interface, two couples of station level communication interfaces, one
Communication interface is extended to debugging mouth, 6 groups of devices；Submachine 2 configures a pair of of debugging mouth and an extension communication interface.It can be complete
Various communication interface functions are realized kindly.
In order to easily realize that current-mode analog quantity acquires, under 3/2nds modes of connection, the first simulation of host apparatus 1
It measures air plug 8 and is responsible for 4 string current-mode analog quantity of acquisition, under non-3/2nds mode of connection, the first analog quantity air plug of host apparatus 1
8 are responsible for the current-mode analog quantity of the voltage and 1 branch of the most 3 sections of busbares of acquisition, and the second analog quantity air plug 9 of host apparatus 1 is negative
The current-mode analog quantity of duty 4 branches of acquisition；The the first analog quantity air plug 8 and the second analog quantity air plug 9 of submachine 2 acquire 8 altogether
The current-mode analog quantity of a branch.The acquisition of current-mode analog quantity is conveniently realized, the analog quantity signal accessed on each air plug is seen below
Table：
In order to realize sample-synchronous, it is equipped with sample-synchronous system between host apparatus 1 and submachine 2, including is set to host dress
Set the pulse per second (PPS) synchronous generator 3 on 1 and the pulse per second (PPS) synchronous signal receiver 4 on submachine 2, submachine
2 post-process the mould of institute's access leg on submachine 2 in the pulse per second (PPS) synchronizing signal for receiving pulse per second (PPS) synchronous generator 3
Analog quantity samples.Conveniently realize sample-synchronous.
In order to effectively realize security monitoring and abnormal protection, host apparatus 1, which is equipped with, monitors each special communication link
With the monitoring protection module for providing latch-up protection in special communication link exception.Host apparatus 1 monitors 1 He of host apparatus in real time
Link state between submachine 2 prevents when link down because analog quantity missing causes difference current to occur leading to differential guarantor
Malfunction is protected, security monitoring and the abnormal obliteration protection of communication link can be effectively realized.
In order to fully achieve 8 branch A B C sequential trips outlet, the outlet air plug 6 of host apparatus 1 and submachine 2
A including 8 branches B the outlet of C sequential trips, share 32 cables and constitute.Can fully achieve 8 branch A B C split-phases
Tripping outlet.
In order to keep protective shielding effect more preferable, host apparatus 1 and the external input and output of submachine 2 are all using armouring
Cable or armored fiber optic.Armored cable or armored fiber optic shield effectiveness are good, and protection is safer.
In order to realize bidirectional transfer of information, data exchange ways between host apparatus 1 and submachine 2 be SV and
The two-way mouth parallel transmissions altogether of GOOSE, SV and GOOSE transport protocols are 61850-9-2 agreements；Host apparatus 1 is extended by device
Communication interface transmits the trip signal based on GOOSE message format to submachine 2, is transferred to after submachine 2 by handset
Device 2 is converted into the tripping outlet order of relay tip form, and being transferred to cable by cable form is transmitted to site behaviour
Make case；Submachine 2 transmits the branch current sampling message based on SV formats and the branch based on GOOSE formats to host apparatus 1
Road disconnecting link position, it is 24 point samplings that SV, which samples message, is transmitted to the poor flowmeter that host apparatus 1 is directly used in differential protection later
It calculates；The disconnecting link position that submachine 2 transmits each access leg to host apparatus 1 is GOOSE message, with SV messages using same
Root optical fiber is transmitted to host apparatus 1, and host apparatus 1 is reported according to lock-out pulse and the sampling sequence number received processing SV and GOOSE
Text, when receiving message, host apparatus 1 is higher than GOOSE message to the priority of SV Message processings.Conveniently realize bidirectional information
Transmission.
In this example, air plug is defined using standard port, is carried out for thread connecting mode with the connection type of protective device
Fixed port is fixed；Forceful electric power air plug 5 is that 24 cores are opened into+power interface, and outlet air plug 6 is that 32 cores output interface, and communication air plug 7 is
21 core fibre interfaces, the first analog quantity air plug 8 and the second analog quantity air plug 9 are that 24 cores exchange interface.
It is further to note that the quantity of submachine 2 is connected on busbar when being designed according to substation project
Branch number determines, to meet the engineering demand or more that 66kV is either possible to 36 branches occurred in 35kV busbares engineering
High demand, the number of submachine 2 are possible to that 4 can be met or exceeded.
A kind of container building block system site busbar protective device shown in figure 1 above -4 is the specific implementation of the present invention
Example, has embodied substantive distinguishing features of the present invention and progress, can be under the inspiration of the present invention, right according to actual using needs
It carries out the equivalent modifications of shape, structure etc., the row in the protection domain of this programme.
Claims (10)
1. a kind of container building block system site busbar protective device, it is characterised in that：Including a host apparatus（1）With it is several
Submachine（2）, submachine（2）It is useful for connecting the counter element of multiple branches, institute by the form packaging of container
The host apparatus stated（1）And submachine（2）It is connected by the mode of playing with building blocks, host apparatus（1）And submachine（2）Discrepancy
Interface is all made of air plug；The host apparatus（1）Be responsible for partial branch the magnitude of current, voltage and switching value acquisition and
The tripping of access leg exports, and completes branch electrical quantity acquisition function, difference current calculating function, stalling current and calculate work(
Energy, analog quantity computing function, remote operation interface function, defencive function logic, human interface function, process layer input and output work(
Energy, station level communication interface function；Submachine（2）It is host apparatus（1）Extension, be responsible for its correspondence branch accessed
Function is outputed in the tripping of the magnitude of current, voltage and switch acquisition and corresponding branch.
2. a kind of container building block system site busbar protective device according to claim 1, it is characterised in that：Described
Host apparatus（1）With each submachine（2）Between be parallel electrical connection with and meanwhile contact each submachine（2）, and son
Machine device（2）In the bottom of modular construction, host apparatus（1）In the top layer of modular construction.
3. a kind of container building block system site busbar protective device according to claim 1, it is characterised in that：Described
Host apparatus（1）With submachine（2）Between by special communication link connection with realize electric simulation amount and switching value and
Row transmission, the dedicated transmissions link is the optical fiber being encapsulated in air plug.
4. a kind of container building block system site busbar protective device according to claim 1, it is characterised in that：Described
Host apparatus（1）And submachine（2）It is equipped with 5 groups of air plugs, respectively forceful electric power air plug（5）, outlet air plug（6）, communication air plug
（7）, the first analog quantity air plug（8）With the second analog quantity air plug（9）.
5. a kind of container building block system site busbar protective device according to claim 4, it is characterised in that：Host fills
It sets（1）Forceful electric power air plug（5）Including providing device working power and accessing the opening into opening into disconnected including mother of certain amount branch
Road device position, mother palmer hyperhidrosis position and branch busbar disconnecting link position；Each submachine（2）Forceful electric power air plug（5）Wrap
Include the disconnecting link position of working power and connection branch that device is provided.
6. a kind of container building block system site busbar protective device according to claim 4, it is characterised in that：Handset fills
It sets（2）Totally 3, each submachine（2）Connect 8 branches.
7. a kind of container building block system site busbar protective device according to claim 4, it is characterised in that：Host fills
It sets（1）Communication air plug（7）Including being no less than 21 optical fiber and its corresponding grafting port, including a pair of of process layer
GOOSE groups network interface, a clock synchronization interface, two pairs of station level communication interfaces, a pair of of debugging mouth, 6 groups of devices extend communication interface；Son
Machine device（2）A pair of of debugging mouth of configuration and an extension communication interface.
8. a kind of container building block system site busbar protective device according to claim 4, it is characterised in that：At two points
Three modes of connection under, host apparatus（1）The first analog quantity air plug（8）It is responsible for 4 string current-mode analog quantity of acquisition, non-two/
Under three modes of connection, host apparatus（1）The first analog quantity air plug（8）It is responsible for the voltage and 1 branch of the most 3 sections of busbares of acquisition
Current-mode analog quantity, host apparatus（1）The second analog quantity air plug（9）It is responsible for the current-mode analog quantity of 4 branches of acquisition；Handset fills
It sets（2）The first analog quantity air plug（8）With the second analog quantity air plug（9）The current-mode analog quantity of 8 branches is acquired altogether.
9. a kind of container building block system site busbar protective device according to claim 1, it is characterised in that：Described
Host apparatus（1）With submachine（2）Between be equipped with sample-synchronous system, including be set to host apparatus（1）On pulse per second (PPS) it is same
Walk signal generator（3）With set on submachine（2）On pulse per second (PPS) synchronous signal receiver（4）, submachine（2）It is receiving
To pulse per second (PPS) synchronous generator（3）Pulse per second (PPS) synchronizing signal post-process submachine（2）The simulation of upper institute's access leg
Amount sampling.
10. a kind of container building block system site busbar protective device according to claim 1, it is characterised in that：Host
Device（1）It is equipped with the monitoring protection for monitoring each special communication link and latch-up protection being provided in special communication link exception
Module.
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| CN201810422197.6A CN108347041B (en) | 2018-05-04 | 2018-05-04 | Building block type on-site busbar protection device for container |
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| CN201810422197.6A CN108347041B (en) | 2018-05-04 | 2018-05-04 | Building block type on-site busbar protection device for container |
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| CN108347041B CN108347041B (en) | 2024-02-09 |
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| CN108347041B (en) | 2024-02-09 |
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