CN107196205A - Novel voltage switching screen in a kind of transformer station - Google Patents
Novel voltage switching screen in a kind of transformer station Download PDFInfo
- Publication number
- CN107196205A CN107196205A CN201710576475.9A CN201710576475A CN107196205A CN 107196205 A CN107196205 A CN 107196205A CN 201710576475 A CN201710576475 A CN 201710576475A CN 107196205 A CN107196205 A CN 107196205A
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- China
- Prior art keywords
- transverse slat
- riser
- parallel
- bus
- voltage
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses novel voltage switching screen in a kind of transformer station, including cabinet, the front end of cabinet is provided with button fly front, the rear end of cabinet is provided with back pullout (BPO), left plate inwall in cabinet is provided with some left support plates, some right support plates are provided with right plate inwall, left support plate is corresponded with right support plate and is connected by preceding transverse slat and rear transverse slat, the preceding transverse slat and rear transverse slat be arranged in parallel, high side voltage access component is installed on preceding transverse slat, the high side voltage access component includes the access unit of high voltage bus I and the access unit of high voltage bus II being set up in parallel；Medium voltage side voltage access group valency is installed on rear transverse slat, voltage access component in medium pressure side includes the middle access unit of pressure bus I and the middle access unit of pressure bus II being set up in parallel.Present invention layout is very clear, will not confusion reigned.Simple in construction, easy-to-connect is operationally safer, reliable；Work is lighter during transformation, and security performance is high.
Description
Technical field
The invention belongs to transformer station's technical field, and in particular to novel voltage switching screen in a kind of transformer station.
Background technology
Current loop is frequently designed as in the design of transformer station and is immediately directed against protection device, secondary electricity from CT secondary windings
Push back route PT secondary windings and be immediately directed against control room, Ping Ding is guided to by voltage switching screen in control room, by means of screen
Push up small bus to be connected, now each protection device then pushes up small bus by screen and is introduced to secondary voltage.From the point of view of should designing, screen
Push up small bus particularly significant to secondary voltage reliability of operation and security, if it breaks down, whole power transformation will be made
Protection operation in standing is affected.In addition, during relay protection technological transformation, finding current voltage circuit band in construction
It is abnormal that electricity bridging temporary voltage is easily caused secondary voltage, there is potential safety hazard, voltage jump also accounts for time duration.Moreover,
It is wiring line nose that the small bus in screen top, which especially shields wire jumper etc. multi-purpose greatly, is constructed cumbersome, another small bus is single busbar
If any one link goes wrong in the middle of small bus (screw do not tighten or loose contact etc.) can all make to screen cabinet below
Into the accident of decompression.
The content of the invention
The present invention is to solve protection device is introduced into secondary voltage by existing transformer station by shielding the small bus in top, failure
Rate is high, the technical problem such as stability difference, so that provide a kind of layout simply, it is new in the transformer station that fault rate is low and independence is strong
Voltage switching screen.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows：
Novel voltage switching screen in a kind of transformer station, including cabinet, the front end of cabinet are provided with button fly front, and the rear end of cabinet is set
There is back pullout (BPO), the left plate inwall in cabinet is provided with some left support plates, some right branch are provided with right plate inwall
Fagging, left support plate is corresponded with right support plate and is connected by preceding transverse slat and rear transverse slat, and the preceding transverse slat is parallel with rear transverse slat
Set, high side voltage access component is installed on preceding transverse slat, the high side voltage access component includes what is be set up in parallel
The access unit of high voltage bus I and the access unit of high voltage bus II；Medium voltage side voltage access group valency is installed on rear transverse slat, it is described
Medium voltage side voltage access component includes the middle access unit of pressure bus I and the middle access unit of pressure bus II being set up in parallel.
The access unit of high voltage bus I includes preceding riser I, before preceding riser I is vertically installed on transverse slat, in preceding riser I
On some terminals subgroups being arranged in parallel are installed, each terminals subgroup includes the binding post that several are arranged in parallel；
The access unit of high voltage bus II includes preceding riser II, on transverse slat and equal with preceding riser I before preceding riser II is vertically installed at
OK；Some terminals subgroups being arranged in parallel are installed on preceding riser II, each terminals subgroup is set including several parallel connections
The binding post put.
The rear end face of the preceding riser I, which is provided with fixture block I, fixture block I, is provided with neck I, before neck I is fastened on transverse slat
And slided on preceding transverse slat；The rear end face of the preceding riser II, which is provided with fixture block II, fixture block II, is provided with neck II, neck II
It is fastened on preceding transverse slat and is slided on preceding transverse slat.Preceding riser I and preceding riser II slidingtype, which is set, make it that both, can apart from adjustable
Change both distances according to the actual requirements, improve the applicability of the present invention.
The access unit of medium pressure bus I includes rear riser I, and rear riser I is vertically installed on rear transverse slat, in rear riser I
On some terminals subgroups being arranged in parallel are installed, each terminals subgroup includes the binding post that several are arranged in parallel；
The access unit of medium pressure bus II includes rear riser II, and rear riser II is vertically installed on rear transverse slat and equal with rear riser I
OK；Some terminals subgroups being arranged in parallel are installed on rear riser II, each terminals subgroup is set including several parallel connections
The binding post put.
The rear end face of the rear riser I, which is provided with fixture block III, fixture block III, is provided with neck III, horizontal stroke after neck III is fastened on
Slided on plate and on rear transverse slat；The rear end face of the rear riser II is provided with fixture block IV, fixture block IV and is provided with neck IV, card
Groove IV is fastened on rear transverse slat and slided on rear transverse slat.Riser I and the slidingtype of rear riser II, which are set, afterwards make it that both distances can
Adjust, both distances can be changed according to the actual requirements, improve the applicability of the present invention.
The preceding transverse slat and rear transverse slat are removably mounted between left support plate and right support plate respectively, in left support plate
With being respectively arranged with some mounting-positioning holes in right support plate, the end of preceding transverse slat and rear transverse slat is separately mounted to corresponding installation
In positioning hole.Preceding transverse slat and rear transverse slat are removably mounted between left support plate and right support plate, can be changed according to the actual requirements
Become between the two away from keeping apart high-pressure side and medium voltage side.
Left support plate of the present invention and right support plate can also be to be slidably mounted on left plate and right plate, be easy to it is mobile away from
From riser is easy for installation and maintenance apart from the position of operating personnel before and after changing.
The present invention is separated by high-pressure side and medium voltage side by preceding transverse slat and rear transverse slat, and respectively corresponds to one
Door, wiring can be carried out by opening corresponding door.Moreover, high side voltage access component is divided into by preceding riser I and preceding riser II
Two access units of high voltage bus I arranged side by side and the access unit of high voltage bus II, medium voltage side voltage access component is also same
Partitioning scheme.Which kind of voltage type is needed in wiring, any side voltage is derived from, corresponding door selection corresponding side binding post is opened
It can access, it is to avoid wiring error, improve the operational reliability of voltage, accelerate the efficiency of voltage switching, protection is set
The safe operation of standby and transformer station plays an important role.Moreover, layout is very clear, will not confusion reigned.Structure letter of the present invention
Single, easy-to-connect is operationally safer, reliable；Work is lighter during transformation, and work safety is high, achieves good
Effect.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of riser I before the present invention.
Fig. 3 is the structural representation of riser II before the present invention.
Fig. 4 is the structural representation of riser I after the present invention.
Fig. 5 is the structural representation of riser II after the present invention.
Embodiment
As Figure 1-5, novel voltage switching screen in a kind of transformer station, including cabinet 1, before the front end of cabinet 1 is provided with
Enabling 2, the rear end of cabinet 1 is provided with back pullout (BPO) 3, and the inwall of left plate 4 in cabinet 1 is provided with some left support plates 6, on the right side
Some right support plates 7 are provided with the inwall of side plate 5, left support plate 6 is corresponded with right support plate 7 and by preceding transverse slat 8 and rear horizontal stroke
Plate 9 is connected, and the preceding transverse slat 8 and rear transverse slat 9 be arranged in parallel, and high side voltage access component is provided with preceding transverse slat 8, described
High side voltage access component includes the access unit of high voltage bus I and the access unit of high voltage bus II being set up in parallel.
The access unit of high voltage bus I includes preceding riser I 12, before preceding riser I 12 is vertically installed on transverse slat 8, preceding
Some terminals subgroups 10 being arranged in parallel are installed, each terminals subgroup 10 includes what several were arranged in parallel on riser I
Binding post.
The access unit of high voltage bus II includes preceding riser II 13, before preceding riser II 13 is vertically installed on transverse slat 8 simultaneously
It is parallel with preceding riser I 12；Some terminals subgroups 10 being arranged in parallel, each binding post are installed on preceding riser II 13
Group 10 includes the binding post that several are arranged in parallel.
Preferably, in order to improve adaptability of the invention, the rear end face of the preceding riser I 12 is provided with fixture block I 14, fixture block
Neck I 15 is provided with I 14, neck I 15 is fastened on preceding transverse slat 8 and slided on preceding transverse slat 8；After the preceding riser II 13
End face, which is provided with fixture block II 16, fixture block II 16, is provided with neck II 17, before neck II 17 is fastened on transverse slat 8 and in preceding transverse slat
Slided on 8.Preceding riser I 12 and preceding riser II 13 slidingtype, which is set, causes both, apart from adjustable, can change two according to the actual requirements
The distance of person, improves the applicability of the present invention.
Medium voltage side voltage access group valency is installed on rear transverse slat 9, voltage access component in the medium pressure side is included simultaneously
Arrange the middle access unit of pressure bus I and the middle access unit of pressure bus II set.
The access unit of medium pressure bus I includes rear riser I 18, and rear riser I 18 is vertically installed on rear transverse slat 9, rear
Some terminals subgroups 10 being arranged in parallel are installed, each terminals subgroup 10 is arranged in parallel including several on riser I 18
Binding post.
The access unit of medium pressure bus II includes rear riser II 19, and rear riser II 19 is vertically installed on rear transverse slat 9 simultaneously
It is parallel with rear riser I 18；Some terminals subgroups 10 being arranged in parallel, each binding post are installed on rear riser II 19
Group 10 includes the binding post that several are arranged in parallel.
It is further preferred that the rear end face of the rear riser I 18, which is provided with fixture block III 20, fixture block III 20, is provided with neck
III 21, neck III 21 is fastened on rear transverse slat 9 and slided on rear transverse slat 9.
The rear end face of the rear riser II 19, which is provided with fixture block IV 22, fixture block IV 22, is provided with neck IV 23, neck IV
23 are fastened on rear transverse slat 9 and are slided on rear transverse slat 9.Afterwards riser I 18 and the slidingtype of rear riser II 19 set cause both away from
From adjustable, both distances can be changed according to the actual requirements, the applicability of the present invention is improved.
It is further preferred that the preceding transverse slat 8 and rear transverse slat 9 are removably mounted to left support plate 6 and right support respectively
Between plate 7, some mounting-positioning holes, the end of preceding transverse slat 8 and rear transverse slat 9 are respectively arranged with left support plate 6 and right support plate 7
Portion is separately mounted in corresponding mounting-positioning holes.Preceding transverse slat and rear transverse slat are removably mounted on left support plate 6 and right support
Between plate 7, it can change according to the actual requirements between the two away from keeping apart high-pressure side and medium voltage side.
Left support plate 6 of the present invention and right support plate 7 can also be to be slidably mounted on left plate 4 and right plate 5, be easy to move
Dynamic distance, riser is easy for installation and maintenance apart from the position of operating personnel before and after changing.
The present invention has advantages below：
1st, loop is simply clear, is easy to safeguard and trouble shoot, attendant need not be in relay indoor high-altitude operation.
2nd, maintenance amount is reduced, original small bus in screen top is omitted, each protection device alternating voltage is in a kind of mutual
Independent state, when voltage failure occurs for wherein a certain protection device, other protection devices, which remain unchanged, normally to be run, Bu Huishou
To any influence, fault rate is reduced.
3rd, it is reasonable in design, it can effectively prevent bus I, bus II wrongs and high pressure side joint wrong.
4th, it can reflect that fault branch is easy to lack at maintenance in time.
5th, necessary guarantee is provided to carry out the repair based on condition of component of secondary device from now on.
Claims (6)
1. novel voltage switching screen in a kind of transformer station, it is characterised in that：Including cabinet（1）, cabinet（1）Front end be provided with before
Open the door（2）, cabinet（1）Rear end be provided with back pullout (BPO)（3）, in cabinet（1）Interior left plate（4）Inwall is provided with some left branch
Fagging（6）, in right plate（5）Some right support plates are provided with inwall（7）, left support plate（6）With right support plate（7）One a pair
Answer and by preceding transverse slat（8）With rear transverse slat（9）Connection, the preceding transverse slat（8）With rear transverse slat（9）It is arranged in parallel, in preceding transverse slat（8）On
High side voltage access component is installed, the high voltage bus I that the high side voltage access component includes being set up in parallel accesses list
Member and the access unit of high voltage bus II；In rear transverse slat（9）On medium voltage side voltage access component is installed, medium pressure side voltage connects
Enter the middle access unit of pressure bus I and the middle access unit of pressure bus II that component includes being set up in parallel.
2. novel voltage switching screen in transformer station according to claim 1, it is characterised in that：The high voltage bus I is accessed
Unit includes preceding riser I（12）, preceding riser I（12）It is vertically installed at preceding transverse slat（8）On, if being provided with dry doubling on preceding riser I
Join the terminals subgroup set（10）, each terminals subgroup（10）The binding post being arranged in parallel including several；The height
The access unit of bus II is pressed to include preceding riser II（13）, preceding riser II（13）It is vertically installed at preceding transverse slat（8）It is upper and with preceding riser I
（12）It is parallel；In preceding riser II（13）On some terminals subgroups being arranged in parallel are installed（10）, each terminals subgroup
（10）The binding post being arranged in parallel including several.
3. novel voltage switching screen in transformer station according to claim 2, it is characterised in that：The preceding riser I（12）'s
Rear end face is provided with fixture block I（14）, fixture block I（14）On be provided with neck I（15）, neck I（15）It is fastened on preceding transverse slat（8）On simultaneously
In preceding transverse slat（8）It is upper to slide；The preceding riser II（13）Rear end face be provided with fixture block II（16）, fixture block II（16）On be provided with
Neck II（17）, neck II（17）It is fastened on preceding transverse slat（8）Above and in preceding transverse slat（8）It is upper to slide.
4. novel voltage switching screen in transformer station according to claim 1, it is characterised in that：Medium pressure bus I is accessed
Unit includes rear riser I（18）, rear riser I（18）It is vertically installed at rear transverse slat（9）On, in rear riser I（18）If on be provided with
The dry terminals subgroup being arranged in parallel（10）, each terminals subgroup（10）The binding post being arranged in parallel including several；Institute
Stating middle pressure bus II access unit includes rear riser II（19）, rear riser II（19）It is vertically installed at rear transverse slat（9）It is upper and with it is rear
Riser I（18）It is parallel；In rear riser II（19）On some terminals subgroups being arranged in parallel are installed（10）, each terminals
Subgroup（10）The binding post being arranged in parallel including several.
5. novel voltage switching screen in transformer station according to claim 4, it is characterised in that：The rear riser I（18）'s
Rear end face is provided with fixture block III（20）, fixture block III（20）On be provided with neck III（21）, neck III（21）It is fastened on rear transverse slat（9）
Above and in rear transverse slat（9）It is upper to slide；The rear riser II（19）Rear end face be provided with fixture block IV（22）, fixture block IV（22）On set
It is equipped with neck IV（23）, neck IV（23）It is fastened on rear transverse slat（9）Above and in rear transverse slat（9）It is upper to slide.
6. shielded according to novel voltage switching in any described transformer stations of claim 1-5, it is characterised in that：The preceding transverse slat
（8）With rear transverse slat（9）Left support plate is removably mounted to respectively（6）With right support plate（7）Between, in left support plate（6）With
Right support plate（7）On be respectively arranged with some mounting-positioning holes, preceding transverse slat（8）With rear transverse slat（9）End be separately mounted to phase
In the mounting-positioning holes answered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710576475.9A CN107196205B (en) | 2017-07-14 | 2017-07-14 | Voltage switching screen in transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710576475.9A CN107196205B (en) | 2017-07-14 | 2017-07-14 | Voltage switching screen in transformer substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107196205A true CN107196205A (en) | 2017-09-22 |
| CN107196205B CN107196205B (en) | 2022-12-02 |
Family
ID=59882190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710576475.9A Active CN107196205B (en) | 2017-07-14 | 2017-07-14 | Voltage switching screen in transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107196205B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107196205B (en) | 2022-12-02 |
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