CN209266994U - Voltage switching station is got higher used in one kind - Google Patents
Voltage switching station is got higher used in one kind Download PDFInfo
- Publication number
- CN209266994U CN209266994U CN201822123088.2U CN201822123088U CN209266994U CN 209266994 U CN209266994 U CN 209266994U CN 201822123088 U CN201822123088 U CN 201822123088U CN 209266994 U CN209266994 U CN 209266994U
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- Prior art keywords
- voltage switching
- switching station
- breaker
- vacuum circuit
- circuit breaker
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Abstract
The utility model, which provides, gets higher voltage switching station used in one kind; in the utility model, the electric current of inflow transformer is acquired by current transformer, when the larger overprotection definite value of current value; the vacuum circuit breaker automatic trip disconnects, and then the coil of inside transformer can be protected not damaged.In addition vacuum circuit breaker movement will not influence after disconnecting burns remaining element in cabinet, and safety coefficient is higher.
Description
Technical field
The utility model relates to high-voltage electrical equipment manufacturing fields, compress switch more specifically to getting higher used in one kind
Equipment.
Background technique
Voltage switching station got higher used in existing 12KV realize using high-tension fuse the protection to transformer.
But high-tension fuse is easy to influence to burn out handcart in fusing, while also will cause the different degrees of damage of transformer
Wound.
Utility model content
It is easy to burn out handcart to solve high-tension fuse in fusing, while also will cause the different degrees of damage of transformer
The problem of, the utility model, which provides, gets higher voltage switching station used in one kind.
To achieve the above object, the utility model provides the following technical solutions:
Voltage switching station, including vacuum circuit breaker and current transformer are got higher used in one kind；
The upper moving contact of the vacuum circuit breaker is connected with a upper static contact in the upper contact head box, described true
The lower moving contact of empty breaker is connected with a lower static contact in lower contact box；
A static contact in the lower contact box is connect with lower branch row top, lower branch row lower part and the current transformer
End of incoming cables connection, the leading-out terminal of the current transformer connect with step-up side；
When the current transformer detects that flowing through current value is greater than the definite value of setting, the vacuum circuit breaker is jumped automatically
Lock disconnects.
It preferably, further include earthing switch；The earthing switch and the transformers connected in parallel.
It preferably, further include arrester；The arrester and the transformers connected in parallel.
Preferably, a static contact in the upper contact head box and upper branch row connect, and the upper branch row connect with main busbar.
Preferably, the breaker includes high-voltage circuitbreaker, is used for switching transformer.
Preferably, the arrester includes Zinc-Oxide Arrester, is used for switching transformer.
Preferably, the breaker is installed on breaker chamber and is handcart type breaker.
Preferably, the vacuum circuit breaker includes VXB-12 type vacuum circuit breaker.
Preferably, the current transformer includes connection type mutual inductor before LZZBJ9-12 template.
Preferably, the earthing switch includes JN15-12 type earthing switch.
It can be seen from the above technical proposal that the utility model, which provides, gets higher voltage switching station used in one kind, this is practical
In novel, the electric current of inflow transformer is acquired by current transformer, when the larger overprotection definite value of current value, the vacuum is disconnected
Road device automatic trip disconnects, and then the coil of inside transformer can be protected not damaged.In addition vacuum circuit breaker movement disconnects
After will not influence and burn remaining element in cabinet, safety coefficient is higher.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram that voltage switching station is got higher used in one kind provided by the embodiment of the utility model；
Fig. 2 is the primary system figure that voltage switching station is got higher used in one kind provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides and gets higher voltage switching station used in one kind, used in the utility model embodiment
Getting higher voltage switching station is 12KV change switchgear used.
Referring to Fig.1, the voltage switching station used that gets higher may include vacuum circuit breaker 2 and current transformer 4；
The upper contact head of the vacuum circuit breaker 2 is connected with a static contact in upper contact head box 8, the vacuum circuit breaker
The lower contact of device 2 is connected with a static contact in lower contact box 9；
A static contact in the lower contact box 9 is arranged 11 tops with lower branch and is connect, and lower branch arranges 11 lower parts and the electric current
The end of incoming cables of mutual inductor 4 connects, and the leading-out terminal of the current transformer 4 is connect with 5 high-voltage end of transformer；
When the current value that the current transformer 4 detects is greater than setting definite value, the tripping of vacuum circuit breaker 2 is disconnected
It opens.
Further, a static contact in the upper contact head box 8 is connect with upper branch row 10, the upper branch row 10 and main busbar
Connection.Main busbar is arranged in bus casing 7.
The vacuum circuit breaker 2 is installed on breaker chamber A and is handcart type breaker, and the vacuum circuit breaker 2 can wrap
High-voltage circuitbreaker is included, the vacuum circuit breaker 2 includes VXB-12 type vacuum circuit breaker, and the arrester 6 is lightning-arrest including zinc oxide
Device.The current transformer 4 includes connection type mutual inductor before LZZBJ9-12 template, and the earthing switch 3 includes JN15-12
Type earthing switch.
It further, further include earthing switch；The earthing switch and the transformers connected in parallel.
Further, can also include further includes arrester；The arrester and the transformers connected in parallel.
Specifically, effective grounding can be achieved in the case where vacuum circuit breaker disconnects for earthing switch, it is ensured that maintenance O&M people
Life safety when member's maintenance transformer, Zinc-Oxide Arrester can effectively eliminate overvoltage.
It is entire used to get higher voltage switching station and include: specifically, referring to Fig.1
Cabinet body 1, vacuum circuit breaker 2, earthing switch 3, current transformer 4, transformer 5, arrester 6, bus casing 7, on
Contact box 8, lower contact box 9, upper branch row 10, lower branch arrange 11, insulator 12, small bus 13.
Cabinet body 1 selects aluminizing zinc steel plate, and using modular construction, plate is processed through numerical control device, to guarantee its material essence
Degree, to reach the high-precision of cabinet body, outline dimension of cabinet is width X depth X high: 1000X1800X2350.Cabinet body degree of protection is
IP4X, grade is IP2X between cabinet inner compartment；
Small bus 13 is to control power supply, signal power source, protection power source, alternating voltage, the shared remittance product line such as AC power source, absolutely
Edge 12 plays the role of insulating supporting.
In addition, the voltage switching station used that gets higher includes control room A, breaker chamber B, bus-bar room C, cable vault D and front lower room
E。
The vacuum circuit breaker 2 is loaded on breaker chamber A, for that can shake into the handcart-type shaken out；The upper contact head box 8, absolutely
Edge 12, main busbar, upper branch row 10 are loaded on bus-bar room C；The transformer 5, current transformer 4, earthing switch 3, lower contact box 9
Loaded on cable vault D.Front lower room E is access path, and whens operation maintenance personnel repair apparatus cable vault's electric elements uses.
In the utility model embodiment, referring to Fig. 2, main conductive circuit is passed through into upper branch by the main busbar of bus-bar room and arranges 10, upper touching
It flows into after current transformer 4 by the laggard lower contact box 9 of breaker 2 after head cartridge 8 and by lower branch row 11 to 5 power transmission of transformer.It connects
Ground switch 3, arrester 6 and high-voltage charge display device are connected in parallel on transformer two sides.
Current transformer 4 can effectively detect measurement and protective current, and current transformer 4 is mounted in fixed beam and using band
The mode of connection can be realized easy disassembly and secondary connection before the plate of bottom plate.The novel 12KV switchgear used that becomes passes through vacuum
Breaker quick-switching realizes effective control to station local coordinate frame.
In the present embodiment, the electric current of inflow transformer 5 is acquired by current transformer 4, when the larger overprotection of current value is fixed
When value, 2 automatic trip of vacuum circuit breaker is disconnected, and then the coil inside transformer 5 can be protected not damaged.In addition true
Empty breaker actuation will not influence after disconnecting burns remaining element in cabinet, and safety coefficient is higher.
In addition, it is convenient by compact-sized, flexible operation, maintenance to the realization of switchgear optimization design, add convenient for high-volume
Work production.
Effective grounding can be achieved in the case where vacuum circuit breaker disconnects for third, earthing switch, it is ensured that maintenance operation maintenance personnel
Life safety when transformer is overhauled, Zinc-Oxide Arrester can effectively eliminate overvoltage.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. getting higher voltage switching station used in one kind, which is characterized in that including vacuum circuit breaker and current transformer；
The upper moving contact of the vacuum circuit breaker is connected with a upper static contact in upper contact head box, the vacuum circuit breaker
Lower moving contact be connected with a lower static contact in lower contact box；
A static contact in the lower contact box connect with lower branch row top, lower branch row lower part and the current transformer into
Line end connection, the leading-out terminal of the current transformer are connect with step-up side；
When the current transformer detects that flowing through current value is greater than the definite value of setting, the vacuum circuit breaker automatic trip is disconnected
It opens.
2. getting higher voltage switching station used according to claim 1, which is characterized in that further include earthing switch；It is described to connect
Ground switch and the transformers connected in parallel.
3. getting higher voltage switching station used according to claim 1, which is characterized in that further include arrester；It is described lightning-arrest
Device and the transformers connected in parallel.
4. getting higher voltage switching station used according to claim 1, which is characterized in that primary quiet in the upper contact head box
Contact and upper branch row connect, and the upper branch row connect with main busbar.
5. getting higher voltage switching station used according to claim 1, which is characterized in that the breaker includes high pressure open circuit
Device is used for switching transformer.
6. getting higher voltage switching station used according to claim 3, which is characterized in that the arrester includes that zinc oxide is kept away
Thunder device, for eliminating overvoltage.
7. getting higher voltage switching station used according to claim 1, which is characterized in that the breaker is installed on breaker
Room and be handcart type breaker.
8. used voltage switching station is got higher according to claim 1, which is characterized in that the breaker includes
VXB-12 type vacuum circuit breaker.
9. used voltage switching station is got higher according to claim 1, which is characterized in that the current transformer includes
Connection type mutual inductor before LZZBJ9-12 template.
10. getting higher voltage switching station used according to claim 2, which is characterized in that the earthing switch includes JN15-
12 type earthing switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123088.2U CN209266994U (en) | 2018-12-17 | 2018-12-17 | Voltage switching station is got higher used in one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123088.2U CN209266994U (en) | 2018-12-17 | 2018-12-17 | Voltage switching station is got higher used in one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209266994U true CN209266994U (en) | 2019-08-16 |
Family
ID=67559900
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822123088.2U Active CN209266994U (en) | 2018-12-17 | 2018-12-17 | Voltage switching station is got higher used in one kind |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115864209A (en) * | 2023-03-01 | 2023-03-28 | 四川电器集团中低压智能配电有限公司 | Inflating cabinet with transformer |
-
2018
- 2018-12-17 CN CN201822123088.2U patent/CN209266994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115864209A (en) * | 2023-03-01 | 2023-03-28 | 四川电器集团中低压智能配电有限公司 | Inflating cabinet with transformer |
| CN115864209B (en) * | 2023-03-01 | 2023-04-25 | 四川电器集团中低压智能配电有限公司 | Inflatable cabinet with transformer |
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