CN207134787U - A kind of site busbar protective device - Google Patents
A kind of site busbar protective device Download PDFInfo
- Publication number
- CN207134787U CN207134787U CN201721122274.3U CN201721122274U CN207134787U CN 207134787 U CN207134787 U CN 207134787U CN 201721122274 U CN201721122274 U CN 201721122274U CN 207134787 U CN207134787 U CN 207134787U
- Authority
- CN
- China
- Prior art keywords
- interval
- aviation plug
- open
- protective device
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of site busbar protective device; including some estrade machines; all it is an independent sealed machine box per estrade machine; include power panel, exchange module, input and output plate and CPU board in sealed machine box; aviation plug 15 is provided with the front plate of sealed machine box; aviation plug 1,2,4 and 5 is cable interface, and aviation plug 3 is optical fiber interface；Aviation plug 1 is to open into for aviation plug 2 to output, aviation plug 4 is to exchange with 5；Power panel connects aviation plug 1, and input and output plate is respectively communicated with aviation plug 1 to open into, to output, CPU board connection aviation plug 3, exchange module is respectively communicated with aviation plug 4 and 5 with aviation plug 2；The utility model one estrade machine of every 8 intervals configuration, each handset are communicated by looped network；AC sampling supports traditional analog acquisition, and wavy trajectory can support traditional contact mode to export, and also supports to export trip signal by GOOSE network message mode.
Description
Technical field
The utility model belongs to Relay Protection Technology in Power System field, more particularly to a kind of site bus protection dress
Put.
Background technology
Guo Wang companies proceeded by intelligent substation construction from 2010, were progressively expanded to 2012 from 5 pilot projects
The newly-built transformer station of the whole network uses intelligent substation construction mode.With the fast development of intelligent substation relevant speciality technology,
New technology, the application of new equipment and the change of mounting means bring the problem of new to relay protection specialty.Due to intelligent power transformation
A large amount of uses of " intelligent terminal+combining unit ", relay protection quick-action, the stability of a system and reliability have dropped in standing
Low, the secondary device degree of protection of outdoor cabinet installation is low, and operating environment requirements are harsh, fault rate is high.
Variety of problems existing for intelligent substation is continuously emerged, and the concept of site protection is arisen at the historic moment.High reliability is just
Groundization miniaturization protection device technology refers to that relay protection secondary equipment is arranged on the spot in transformer substation switch field, unshielded operation institute
The anti-extreme natural environment that needs, anti-complex electromagnetic environment, high reliability long life measure and facilitate plug and play needed for O＆M
Technology.
Utility model content
The utility model provides a kind of site busbar protective device, to solve the problems of the prior art.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of site busbar protective device, including some estrade machines, all it is an independent metal material per estrade machine
Sealed machine box, the sealed machine box is interior to include power panel, exchange module, input and output plate and CPU board, the hermetically sealed machine
Aviation plug 1, aviation plug 2, aviation plug 3, aviation plug 4 and aviation plug 5, the aviation are provided with the front plate of case
Plug 1, aviation plug 2, aviation plug 4 and aviation plug 5 are cable interface, and aviation plug 3 is optical fiber interface；The aviation
Plug 1 is to open into for aviation plug 2 to output, aviation plug 4 is to exchange with aviation plug 5；Wherein：Power panel connects aviation
Plug 1, input and output plate are respectively communicated with aviation plug 1 to open into being to output with aviation plug 2, and CPU board connects aviation plug 3,
Exchange module is respectively communicated with aviation plug 4 and aviation plug 5.
8 intervals are accessed per estrade machine, including between 1 PT interval, 1 mother/section gap, 6 circuit/main transformers
Every looped network communicates between each estrade machine；So that 3 estrade machines form a set of busbar protective device as an example, the looped network of the optical fiber air plug of handset 1
Hair receiving end of cascade 2 connects the transmitting-receiving terminal of looped network cascade 1 of the optical fiber air plug of handset 2 by a pair of optical fiber, the optical fiber air plug of handset 2
Hair receiving end of looped network cascade 2 connects the transmitting-receiving terminal of looped network cascade 1 of the optical fiber air plug of handset 3, the optical fiber of handset 3 boat by a pair of optical fiber
Slotting hair receiving end of looped network cascade 2 connects the transmitting-receiving terminal of looped network cascade 1 of the optical fiber air plug of handset 2 by a pair of optical fiber.3 estrade machines
Communicated by optical fiber ring network, form the bus protection of a set of completion.
The aviation plug 1 connects 31 core cables, 31 core cables be followed successively by direct current just, direct current is negative, forceful electric power common port, interval 1_
1G open into, interval 1_2G open into, interval 1_3G open into, interval 1_TWJ, interval 1_THWJ, interval 1_SHJ, interval 2_1G open into,
Interval 2_2G open into, interval 2_3G open into, interval 2_TWJ, interval 2_THWJ, interval 2_SHJ, interval 3_1G open into, interval 3_
2G open into, interval 4_1G open into, interval 4_2G open into, interval 5_1G open into, interval 5_2G open into, interval 6_1G open into, be spaced
6_2G open into, interval 7_1G open into, interval 7_2G open into 6 it is standby；
The aviation plug 2 connects 31 core cables, 31 core cables be followed successively by tripping operation common port, interval 1Tja, interval 1TJb,
Every 1TJc, interval 2Tja, interval 2TJb, interval 2TJc, interval 3Tja, interval 3TJb, interval 3TJc, interval 4Tja, interval
4TJb, interval 4TJc, interval 5Tja, interval 5TJb, interval 5TJc, interval 6Tja, interval 6TJb, interval 6TJc, interval 7Tja,
It is standby to be spaced 7TJb, interval 7TJc, 3 standby tripping operations, the alarm of signal common port, plant failure, operation exception and 3；
The aviation plug 3 connects 24 core optical cables, and 24 core optical cables are followed successively by the hair of looped network cascade 1, looped network cascade 1 is received, looped network level
The hair of connection 2, looped network cascade 2 are received, SV/GS dedicated network constructions hair, SV/GS dedicated network constructions are received, 4 standby, IRIG-B, 1 standby, MMS
One net is sent out, MMS mono- nets receipts, the nets of MMS bis- hair, MMS bis- net receipts, GOOSE sends out networking, GOOSE receives networking, debugging mouth hair, debugging mouth
Receive and 4 standby；
The aviation plug 4 connects 24 core cables, 24 core optical cables be followed successively by voltage UA, voltage UA ', voltage UB, voltage UB ',
Voltage UC, voltage UC ', interval 1IA, interval 1IA ', interval 1IB, interval 1IB ', interval 1IC, interval 1IC ', interval 2IA,
Every 2IA ', interval 2IB, interval 2IB ', interval 2IC, interval 2IC ', interval 3IA, interval 3IA ', interval 3IB, interval 3IB ',
Every 3IC and interval 3IC '；
The aviation plug 5 connects 24 core cables, and 24 core optical cables are followed successively by interval 4IA, interval 4IA ', interval 4IB, interval
4IB ', interval 4IC, interval 4IC ', interval 5IA, interval 5IA ', interval 5IB, interval 5IB ', interval 5IC, interval 5IC ', interval
6IA, interval 6IA ', interval 6IB, interval 6IB ', interval 6IC, interval 6IC ', interval 7IA, interval 7IA ', interval 7IB, interval
7IB ', interval 7IC and interval 7IC '.
Be additionally provided with indicator lamp in the front plate of the sealed machine box, the indicator lamp be followed successively by from top to bottom operation,
Abnormal and action；In handset after electricity, CPU board and I/O module are carried out data transmission by bus, during handset normal operation, CPU
Plate exports normal operating condition mark to I/O module, and I/O module exports high level to power panel by cable connection all the way, lighted
Running indicator；When handset occurs abnormal, for example defence program differentiates CT broken strings, PT broken strings, and CPU board is to I/O module output abnormality shape
State mark, I/O module export high level to power panel by cable connection all the way, light abnormal lamp；Sent when defence program differentiates
Failure and when tripping, CPU board exports tripped condition mark to I/O module, and I/O module is defeated to power panel by cable connection all the way
Go out high level, light tripping operation lamp.
When sealed machine box is kept flat, and indicator lamp is upward, power panel is located at upper strata, input and output plate position with module is exchanged
In middle level, CPU board is located at lower floor.
The power panel is adaptive 110V power supplys or 220V power supplys, while supporting AC power and dc source.
Compared with prior art, the utility model has the advantages that：
The utility model is closed as a kind of busbar protective device arranged on the spot in transformer substation switch field using all-metal
Formula cabinet, highly integrated integrated board, degree of protection is high, and electrically and mechanical performance is superior, using standard interface, can be achieved
Replaceable maintenance, device quick-action and reliability are greatly improved；
Site busbar protective device arranges that AC sampling and tripping operation use cable mode, do not deposit in switch yard on the spot
It is delayed in sampling time delay and tripping operation, relay protection quick-action significantly improves；
Site busbar protective device is laid close to primary equipment as secondary device, can share cabinet with primary equipment
Body, over all Integration, promote the fusion of a secondary device；
Site busbar protective device uses highly integrated integrated board, totally enclosed type metal chassis, is adapted to dislike
Bad environmental condition, device stability and reliability are high；
Site busbar protective device uses standard interface, such as faulty, and replaceable maintenance can be achieved, convenient and swift, subtracts
Small maintenance work amoun.
Brief description of the drawings
Fig. 1 is the structural representation of sealed machine box front plate in the utility model；
Fig. 2 is the side view of sealed machine box in the utility model；
Fig. 3 is the traditional sampling schematic diagram by taking three-phase current Ia, Ib, Ic as an example；
Fig. 4 is the internal module figure of sealed machine box in the utility model
Fig. 5 is the connection figure of power panel in the utility model, exchange module and aviation plug；
Fig. 6 is the connection figure of input and output plate and aviation plug in the utility model；
Fig. 7 is the connection figure of CPU board and aviation plug in the utility model；
Fig. 8 is the schematic diagram of a preferred scheme in the utility model；
Fig. 9 is the connection figure of indicator lamp in the utility model；
Figure 10 is the electrical schematic diagram of indicator lamp in the utility model.
Embodiment
The utility model is further described with reference to embodiment.
As shown in Figure 1-2, a kind of site busbar protective device, including some estrade machines, all it is one only per estrade machine
Vertical metal material sealed machine box, the sealed machine box is interior to include power panel, exchange module, input and output plate and CPU board,
Aviation plug 1, aviation plug 2, aviation plug 3, aviation plug 4 and aviation is provided with the front plate of the sealed machine box to insert
First 5, the aviation plug 1, aviation plug 2, aviation plug 4 and aviation plug 5 are cable interface, and aviation plug 3 is optical fiber
Interface；The aviation plug 1 is to open into for aviation plug 2 to output, aviation plug 4 is to exchange with aviation plug 5；Such as Fig. 5-7
It is shown, power panel connection aviation plug 1, input and output plate be respectively communicated with aviation plug 1 for open into aviation plug 2 to output,
CPU board connects aviation plug 3, and exchange module is respectively communicated with aviation plug 4 and aviation plug 5.
As shown in figure 4, when sealed machine box is kept flat, and indicator lamp is upward, power panel is located at upper strata with module is exchanged, and opens
Enter to output plate and be located at middle level, CPU board is located at lower floor.
8 intervals are accessed per estrade machine, including between 1 PT interval, 1 mother/section gap, 6 circuit/main transformers
Every looped network communicates between each estrade machine；So that 3 estrade machines form a set of busbar protective device as an example, the annexation of each handset is such as
Shown in Fig. 8：Hair receiving end of looped network cascade 2 of the optical fiber air plug of handset 1 connects the looped network level of the optical fiber air plug of handset 2 by a pair of optical fiber
The transmitting-receiving terminal of connection 1, hair receiving end of looped network cascade 2 of the optical fiber air plug of handset 2 connect the ring of the optical fiber air plug of handset 3 by a pair of optical fiber
The transmitting-receiving terminal of net cascade 1, hair receiving end of looped network cascade 2 of the optical fiber air plug of handset 3 connect the optical fiber air plug of handset 2 by a pair of optical fiber
Looped network cascade 1 transmitting-receiving terminal.3 estrade machines are communicated by optical fiber ring network, form the bus protection of a set of completion.
The aviation plug 1 connects 31 core cables, 31 core cables be followed successively by direct current just, direct current is negative, forceful electric power common port, interval 1_
1G open into, interval 1_2G open into, interval 1_3G open into, interval 1_TWJ, interval 1_THWJ, interval 1_SHJ, interval 2_1G open into,
Interval 2_2G open into, interval 2_3G open into, interval 2_TWJ, interval 2_THWJ, interval 2_SHJ, interval 3_1G open into, interval 3_
2G open into, interval 4_1G open into, interval 4_2G open into, interval 5_1G open into, interval 5_2G open into, interval 6_1G open into, be spaced
6_2G open into, interval 7_1G open into, interval 7_2G open into 6 it is standby；
The aviation plug 2 connects 31 core cables, 31 core cables be followed successively by tripping operation common port, interval 1Tja, interval 1TJb,
Every 1TJc, interval 2Tja, interval 2TJb, interval 2TJc, interval 3Tja, interval 3TJb, interval 3TJc, interval 4Tja, interval
4TJb, interval 4TJc, interval 5Tja, interval 5TJb, interval 5TJc, interval 6Tja, interval 6TJb, interval 6TJc, interval 7Tja,
It is standby to be spaced 7TJb, interval 7TJc, 3 standby tripping operations, the alarm of signal common port, plant failure, operation exception and 3；
The aviation plug 3 connects 24 core optical cables, and 24 core optical cables are followed successively by the hair of looped network cascade 1, looped network cascade 1 is received, looped network level
The hair of connection 2, looped network cascade 2 are received, SV/GS dedicated network constructions hair, SV/GS dedicated network constructions are received, 4 standby, IRIG-B, 1 standby, MMS
One net is sent out, MMS mono- nets receipts, the nets of MMS bis- hair, MMS bis- net receipts, GOOSE sends out networking, GOOSE receives networking, debugging mouth hair, debugging mouth
Receive and 4 standby；
The aviation plug 4 connects 24 core cables, 24 core optical cables be followed successively by voltage UA, voltage UA ', voltage UB, voltage UB ',
Voltage UC, voltage UC ', interval 1IA, interval 1IA ', interval 1IB, interval 1IB ', interval 1IC, interval 1IC ', interval 2IA,
Every 2IA ', interval 2IB, interval 2IB ', interval 2IC, interval 2IC ', interval 3IA, interval 3IA ', interval 3IB, interval 3IB ',
Every 3IC and interval 3IC '；
The aviation plug 5 connects 24 core cables, and 24 core optical cables are followed successively by interval 4IA, interval 4IA ', interval 4IB, interval
4IB ', interval 4IC, interval 4IC ', interval 5IA, interval 5IA ', interval 5IB, interval 5IB ', interval 5IC, interval 5IC ', interval
6IA, interval 6IA ', interval 6IB, interval 6IB ', interval 6IC, interval 6IC ', interval 7IA, interval 7IA ', interval 7IB, interval
7IB ', interval 7IC and interval 7IC '.
Be additionally provided with indicator lamp in the front plate of the sealed machine box, the indicator lamp be followed successively by from top to bottom operation,
Abnormal and action；As shown in Figures 9 and 10, in handset after electricity, CPU board and I/O module are carried out data transmission by bus, handset
During normal operation, CPU board exports normal operating condition mark to I/O module, and I/O module is defeated to power panel by cable connection all the way
Go out high level, light running indicator；When handset occurs abnormal, for example defence program differentiates CT broken strings, PT broken strings, and CPU board is to IO
Module output abnormality Status Flag, I/O module export high level to power panel by cable connection all the way, light abnormal lamp；Work as guarantor
Shield program differentiates that CPU board exports tripped condition mark to I/O module when sending failure and tripping, and I/O module passes through cable all the way
Line exports high level to power panel, lights tripping operation lamp.
The power panel is adaptive 110V power supplys or 220V power supplys, while supporting AC power and dc source.
First, defencive function configures
The utility model dereliction formula site busbar protective device is applied to 220kV and above double-bus, double female double segmentations
The connection types, such as Figure 10 such as wiring, single mother partition wiring, single bus scheme, the single section wiring of double mothers and single female three section wirings
It is shown：
Handset gathers analog quantity by AC modules, passes data to fpga chip after A/D chip is handled, passes through looped network
9-2SV messages are received, the memory chip of CPU board is stored in by the sampled data after the fpga chip difference synchronization in CPU board
In；Switching value is gathered by I/O module, receiving GOOSE by looped network opens into on-off state is all stored in the internal memory of CPU board
In chip.Main control chip in CPU board calls protection algorism, sampled data and switching value data in internal memory is read, according to calculation
Method logic, judges whether malfunction, if it is determined that malfunction, then passed to trip signal by data/address bus
I/O module, by I/O module driving relay outlet tripping operation, above content is prior art.
2nd, overall construction design
Site busbar protective device is metal sealed machine box structure, liquid crystal panel is not reconfigured at, using standard aviation
Plug, 5 aviation plug interfaces is arranged altogether, wherein 4 plugs are cable interface, 1 plug is optical fiber interface.Device is overall outer
See as shown in figure 1, the cable core definition of each aviation plug interface is as shown in table 1.
3rd, Sampling techniques
Traditional sampling part, can adaptive substation secondary rated current using high accuracy, the D.C mutual-inductor of wide scope
For 1A or 5A, the accuracy rating for the current measurement generally protected is 0.05In~20In of rated current, generally requires and is ordering goods
When choose different exchange modules to adapt to, the precise work current scope 0.04In~40In for the transformer that the present apparatus uses can be with
The transformer station of different secondary rated current is flexibly used in, schematic diagram is as shown in Figure 3；Ia-Ia ', Ib-Ib ', Ic-Ic ' are exchanges
Module transformer first winding.Ia-Ia ' is the A phase currents input of exchange module, and Ib-Ib ' is that the B phase currents of exchange module are defeated
Enter, Ic-Ic ' is the C phase currents input of exchange module, after of ac input, is changed through transformer, in the negative of secondary output winding
Sensing production small voltage on resistance is carried, secondary output winding is directly connected to A/D chip input.Secondary winding output terminals A IN0,
AIN8 distinguishes AD1, AD2 of corresponding A phase current, input, and secondary winding output terminals A IN1, AIN9 corresponds to B phase currents respectively
AD1, AD2, input, secondary winding output terminals A IN2, AIN10 correspond to AD1, AD2 input of C phase currents respectively.
4th, tripping operation output
Site busbar protective device is equipped with the protection work(such as differential protection, failure protection, mother (segmentation) overcurrent protection
Can, when the conditions such as voltage, electric current, switching value meet protection act logic, protection device tripping operation outlet.
Device can export traditional trip operation contact, while support GOOSE tripped modes.Tradition tripping operation part uses mesh
Preceding conventional contact mode, 7 component phase trip outlet contacts are provided per estrade machine, and GOOSE wavy trajectories use the IEC- of standard
GOOSE message, each interval trip signal controls through soft pressing plate in GOOSE message.
5th, power panel
The working power rated voltage of transformer station is direct current 110V or 220V, and the operating voltage generally protected is rated voltage
80%~115%, generally require order goods when choose different power modules to adapt to.Present apparatus power panel can be adaptive
110V power supplys or 220V power supplys, while supporting AC power and dc source.
Each interface cable core definition of the site busbar protective device of table 1
Specified electric parameter of the present utility model
Basic mechanical design feature and index of the present utility model
Process layer communication interface parameters of the present utility model
Insulation of the present utility model and wet-hot aging performance
Electro Magnetic Compatibility of the present utility model
Mechanical performance of the present utility model
Ambient atmospheric conditions of the present utility model
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (8)
- A kind of 1. site busbar protective device, it is characterised in that：It all it is one independent per estrade machine including some estrade machines Sealed machine box, the sealed machine box is interior to include power panel, exchange module, input and output plate and CPU board, the hermetically sealed machine Aviation plug 1, aviation plug 2, aviation plug 3, aviation plug 4 and aviation plug 5, the aviation are provided with the front plate of case Plug 1, aviation plug 2, aviation plug 4 and aviation plug 5 are cable interface, and aviation plug 3 is optical fiber interface；The aviation Plug 1 is to open into for aviation plug 2 to output, aviation plug 4 is to exchange with aviation plug 5；Wherein：Power panel connects aviation Plug 1, input and output plate are respectively communicated with aviation plug 1 to open into being to output with aviation plug 2, and CPU board connects aviation plug 3, Exchange module is respectively communicated with aviation plug 4 and aviation plug 5.
- 2. site busbar protective device according to claim 1, it is characterised in that：The material of the sealed machine box is Metal.
- 3. site busbar protective device according to claim 1, it is characterised in that：8 intervals are accessed per estrade machine, its Include 1 PT interval, 1 mother/section gap, 6 circuits/main transformer interval.
- 4. site busbar protective device according to claim 3, it is characterised in that：Looped network communicates between each estrade machine.
- 5. site busbar protective device according to claim 1, it is characterised in that：The aviation plug 1 connects 31 cores electricity Cable, 31 core cables be followed successively by direct current just, direct current is negative, forceful electric power common port, interval 1_1G are opened and opened into, interval 1_2G into, interval 1_3G Open into, interval 1_TWJ, interval 1_THWJ, interval 1_SHJ, interval 2_1G open into, interval 2_2G open into, interval 2_3G open into, Every 2_TWJ, interval 2_THWJ, interval 2_SHJ, interval 3_1G open into, interval 3_2G open into, interval 4_1G open into, interval 4_2G Open into, interval 5_1G open into, interval 5_2G open into, interval 6_1G open into, interval 6_2G open into, interval 7_1G open into, interval 7_ 2G open into 6 it is standby；The aviation plug 2 connects 31 core cables, and 31 core cables are followed successively by tripping operation common port, interval 1Tja, interval 1TJb, interval 1TJc, interval 2Tja, interval 2TJb, interval 2TJc, interval 3Tja, interval 3TJb, interval 3TJc, interval 4Tja, interval 4TJb, It is spaced 4TJc, interval 5Tja, interval 5TJb, interval 5TJc, interval 6Tja, interval 6TJb, interval 6TJc, interval 7Tja, interval 7TJb, interval 7TJc, 3 standby tripping operations, the alarm of signal common port, plant failure, operation exception and 3 are standby；The aviation plug 3 connects 24 core optical cables, and 24 core optical cables are followed successively by the hair of looped network cascade 1, looped network cascade 1 is received, looped network cascade 2 Hair, looped network cascade 2 are received, SV/GS dedicated network constructions hair, SV/GS dedicated network constructions are received, 4 standby, IRIG-B, 1 standby, net of MMS mono- Send out, MMS mono- nets receipts, the nets of MMS bis- hair, MMS bis- net receipts, GOOSE sends out networking, GOOSE receives networking, debugging mouth hair, debugging mouth receipts and 4 It is individual standby；The aviation plug 4 connects 24 core cables, and 24 core optical cables are followed successively by voltage UA, voltage UA ', voltage UB, voltage UB ', voltage UC, voltage UC ', interval 1IA, interval 1IA ', interval 1IB, interval 1IB ', interval 1IC, interval 1IC ', interval 2IA, interval 2IA ', interval 2IB, interval 2IB ', interval 2IC, interval 2IC ', interval 3IA, interval 3IA ', interval 3IB, interval 3IB ', Every 3IC and interval 3IC '；The aviation plug 5 connects 24 core cables, 24 core optical cables be followed successively by interval 4IA, interval 4IA ', interval 4IB, interval 4IB ', Be spaced 4IC, interval 4IC ', interval 5IA, interval 5IA ', interval 5IB, interval 5IB ', interval 5IC, interval 5IC ', interval 6IA, Be spaced 6IA ', interval 6IB, interval 6IB ', interval 6IC, interval 6IC ', interval 7IA, interval 7IA ', interval 7IB, interval 7IB ', It is spaced 7IC and interval 7IC '.
- 6. site busbar protective device according to claim 1, it is characterised in that：The front plate of the sealed machine box On be additionally provided with indicator lamp, the indicator lamp is followed successively by operation, exception and action from top to bottom.
- 7. site busbar protective device according to claim 6, it is characterised in that：When sealed machine box is kept flat, and refer to When showing that lamp is upward, power panel is located at upper strata with module is exchanged, and input and output plate is located at middle level, and CPU board is located at lower floor.
- 8. site busbar protective device according to claim 1, it is characterised in that：The power panel is adaptive 110V Power supply or 220V power supplys, while supporting AC power and dc source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721122274.3U CN207134787U (en) | 2017-09-04 | 2017-09-04 | A kind of site busbar protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721122274.3U CN207134787U (en) | 2017-09-04 | 2017-09-04 | A kind of site busbar protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134787U true CN207134787U (en) | 2018-03-23 |
Family
ID=61637393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721122274.3U Active CN207134787U (en) | 2017-09-04 | 2017-09-04 | A kind of site busbar protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207134787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108347041A (en) * | 2018-05-04 | 2018-07-31 | 国家电网公司 | A kind of container building block system site busbar protective device |
-
2017
- 2017-09-04 CN CN201721122274.3U patent/CN207134787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108347041A (en) * | 2018-05-04 | 2018-07-31 | 国家电网公司 | A kind of container building block system site busbar protective device |
| CN108347041B (en) * | 2018-05-04 | 2024-02-09 | 国家电网公司 | Building block type on-site busbar protection device for container |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208478943U (en) | A kind of remote control intelligent household distribution box | |
| CN103107595B (en) | Substation automation system in prefabricated transformer substation | |
| CN104135071A (en) | Multi-functional low-voltage intelligent switch | |
| CN209561900U (en) | Intelligent power supply and distribution system | |
| CN206490425U (en) | A kind of measurement and control of motor device | |
| CN207134787U (en) | A kind of site busbar protective device | |
| CN205657341U (en) | Low -voltage comprehensive distribution box | |
| CN102195242B (en) | Intelligent feeder line module based on background wall technology | |
| CN203466477U (en) | Intelligent box-type transformer substation | |
| CN206742721U (en) | A kind of intelligent modularized change | |
| CN201741996U (en) | Intelligent incoming line module based on technology of background wall | |
| CN207251068U (en) | A kind of intelligent ring main unit of band metering | |
| CN207133618U (en) | A kind of box type transformer intelligent measuring and control device | |
| CN201860126U (en) | Monitoring protection comprehensive device of low voltage unit | |
| CN204334122U (en) | Multifunction station territory protection measurement and control integration device | |
| CN204481573U (en) | The customizable electric intelligent terminal of a kind of low pressure feeder unit load | |
| CN103346500A (en) | Intelligent box-type transformer substation | |
| CN107491013A (en) | A kind of wireless remote timing control switch | |
| CN104617563B (en) | The special protective relaying device of ring main unit | |
| CN204168002U (en) | A kind of transformer station tele-control system | |
| CN207559552U (en) | A kind of intelligent box substation relay protection system | |
| CN206490426U (en) | A kind of digital line protection measure and control device | |
| CN205882431U (en) | Put cabinet in intelligent high pressure | |
| CN205092446U (en) | Rural power grids intelligent power distribution cabinet | |
| CN110632373A (en) | Integrated intelligent low-voltage line monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |