CN207183849U - A kind of 40.5kV is greatly at a distance of fixed switching cabinet - Google Patents
A kind of 40.5kV is greatly at a distance of fixed switching cabinet Download PDFInfo
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- CN207183849U CN207183849U CN201721202683.4U CN201721202683U CN207183849U CN 207183849 U CN207183849 U CN 207183849U CN 201721202683 U CN201721202683 U CN 201721202683U CN 207183849 U CN207183849 U CN 207183849U
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- disconnecting switch
- breaker
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Abstract
The utility model discloses a kind of 40.5kV greatly at a distance of fixed switching cabinet, it includes cabinet；The inside of cabinet is divided into four chambers by the dividing plate that two pieces arrange in length and breadth, and four chambers are respectively cable vault, bus-bar room, breaker chamber, low-pressure chamber；Main bus-bar one end in bus-bar room is connected with porcelain bottle insulators, and the other end is connected with disconnecting switch；On the one hand main bus-bar is connected by disconnecting switch with the No.1 current transformer in cable vault, be on the other hand connected with the fuse in breaker chamber；The output end of fuse is provided with breaker；The other end of fuse is additionally provided with No. two current transformers；The output end of No. two current transformers is connected with the disconnecting switch in low-pressure chamber, and being accessed on the main bus-bar on rear side of the disconnecting switch has copper bar；The other end of copper bar is provided with arrester；The rear end of arrester is provided with voltage transformer.The utility model has the advantages of security performance is high, meets the safe purport of power network instantly, has good market prospects.
Description
Technical field
A kind of switch cubicle, more particularly to a kind of 40.5kV be the utility model is related to greatly at a distance of fixed switching cabinet.
Background technology
With China's rapid development of economy, urbanization process is accelerated, electricity need load increase quickly, load density compared with
Greatly, dilatation is badly in need of in many urban substations, and the demand for improving power distribution system voltage grade also highlights.Domestic electrical master at present
The distribution products that pipe portion door is praised highly change from 35kV power networks to 40.5kV power networks, and therefore, the exploitation of 45kV distribution products is
As the study hotspot of electric field, the novel product developed can not only meet the technical requirements of national grid for distribution
Need, but also the competitive pressure increasingly sharpened can be alleviated, technical support is provided for the sustainable development of enterprise.
Utility model content
In order to solve the weak point present in above-mentioned technology, the utility model provides a kind of 40.5kV greatly at a distance of fixed
Formula switch cubicle.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of 40.5kV is greatly at a distance of fixed
Formula switch cubicle, including cabinet, the inside of cabinet are divided into four chambers by the dividing plate that two pieces arrange in length and breadth, and four chambers are respectively
Cable vault, bus-bar room, breaker chamber, low-pressure chamber；Main bus-bar one end in bus-bar room is connected with porcelain bottle insulators, the other end with
Disconnecting switch is connected；On the one hand main bus-bar is connected by disconnecting switch with the No.1 current transformer in cable vault, another
Aspect is connected with the fuse in breaker chamber；The output end of fuse is provided with breaker；
The other end of fuse is additionally provided with No. two current transformers；In the output end and low-pressure chamber of No. two current transformers
Disconnecting switch be connected, on the main bus-bar on rear side of the disconnecting switch access have copper bar；The other end of copper bar is provided with arrester；
The rear end of arrester is provided with voltage transformer.
Porcelain bottle insulators are mounted on main bus-bar between the adjacent chamber that dividing plate is divided into.
Dividing plate is formed by the riveting of aluminizing zinc steel plate bending.
Cabinet is armored withdraw type, and the insulation mode of cabinet is the compound inslation of air and solid.
Breaker is sulfur hexafluoride breaker.
The utility model has the advantages of security performance is high, meets the safe purport of power network instantly, has good market
Prospect, can be widely applied to power plant, power transformation, the power system such as industrial and mining enterprises receives and distributed electric energy and circuit is carried out in one's power
Control, protection and monitoring.In addition, cabinet overall volume of the present utility model is big, inner space is big, there is good applicability.
Brief description of the drawings
Fig. 1 is cross-sectional structure schematic diagram of the present utility model.
Fig. 2 is front view of the present utility model.
In figure：1st, cable vault；2nd, bus-bar room；3rd, breaker chamber；4th, low-pressure chamber；5th, main bus-bar；6th, porcelain bottle insulators；7th, every
Leave pass；8th, No.1 current transformer；9th, fuse；10th, breaker；11st, No. two current transformers；12nd, copper bar；13rd, take shelter from the thunder
Device；14th, voltage transformer；15th, dividing plate；16th, cabinet.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
A kind of 40.5kV shown in Fig. 1~2 is greatly at a distance of fixed switching cabinet, including cabinet 16, and the inside of cabinet 16 is by two
The dividing plate 15 that block arranges in length and breadth is divided into four chambers, and four chambers are respectively cable vault 1, bus-bar room 2, breaker chamber 3, low pressure
Room 4；Dividing plate 15 is formed by the riveting of aluminizing zinc steel plate bending, makes each independently to separate between low-pressure chamber and each high pressure compartment.Bus
One end of main bus-bar 5 in room 2 is connected with porcelain bottle insulators 6, and the other end is connected with disconnecting switch 7；Between adjacent chamber
Porcelain bottle insulators are mounted on main bus-bar, in cabinet Internal faults arc, by accident be limited in compartment without to
Other chamber sprawlings.Main bus-bar 5 can use D types or O-shaped bus, with reference to epoxy resin sulfuration process, reach all insulation, improve
Cabinet internal electric field is distributed.
The one side of main bus-bar 5 is connected by disconnecting switch 7 with the No.1 current transformer 8 in cable vault 1, on the other hand
It is connected with the fuse 9 in breaker chamber 3；The output end of fuse 9 is provided with breaker 10；Breaker 10 can be with
Autoprotection function for monitoring sulfur hexafluoride breaker, the running status of open circuit is monitored at any time, when breaker emerged in operation is abnormal,
Device sends alarm, until locking, improves the reliability of equipment.Breaker can also be vacuum in light weight, stability is good
Breaker, therefore equipment compatibility is stronger.
The other end of fuse 9 is additionally provided with No. two current transformers 11；The output end of No. two current transformers 11 with it is low
Disconnecting switch in pressure chamber 4 is connected, and being accessed on the main bus-bar 5 on rear side of the disconnecting switch has copper bar 12；The other end of copper bar 12
It is provided with arrester 13；The rear end of arrester 13 is provided with voltage transformer 14.Disconnecting switch can disconnecting link with ground, install additional auxiliary
Switch, thoroughly solve plug and insert partially, depth is inadequate, not the same period, and contact resistance is big, overheats scaling loss and short trouble.
Cabinet 16 is armored withdraw type, and the insulation mode of cabinet 16 is the compound inslation of air and solid.In order to ensure
The top of operating personnel and the safety of switchgear, bus-bar room 2 and cable vault 1 is equipped with pressure relief device, when compartment interior occurs
During electric arc, cabinet air pressure inside rise, the special seal circle being installed on front door is closed cabinet door, the pressure release of top installing
Metallic plate is automatically switched on, and pressure and high-temperature gas is discharged, so as to improve the security reliability of product.
The theoretical research technology of the utility model combination 40.5kV switch cubicles and the acting characteristic of armored equipment, it is and various
The operation principle of vacuum circuit breaker organically combines, and has the characteristics of product safety safeguard function is higher, and internal arcing
Protection level (IAC) reaches AFLR levels, internal arc time 0.5s, rated short circuit drop-out current 31.5kA, has insulating properties
The advantages of good, safe and reliable.
It is to be also not limited to the example above to limitation of the present utility model, the utility model that above-mentioned embodiment, which is not,
The variations, modifications, additions or substitutions that those skilled in the art are made in the range of the technical solution of the utility model,
Also the scope of protection of the utility model is belonged to.
Claims (5)
1. a kind of 40.5kV is greatly at a distance of fixed switching cabinet, including cabinet (16), it is characterised in that：The inside of the cabinet (16)
The dividing plate (15) arranged in length and breadth by two pieces is divided into four chambers, and four chambers are respectively cable vault (1), bus-bar room (2), open circuit
Device room (3), low-pressure chamber (4)；Main bus-bar (5) one end in the bus-bar room (2) is connected with porcelain bottle insulators (6), the other end
It is connected with disconnecting switch (7)；Main bus-bar (5) on the one hand passes through the No.1 Current Mutual Inductance in disconnecting switch (7) and cable vault (1)
Device (8) is connected, and is on the other hand connected with the fuse (9) in breaker chamber (3)；The output end of the fuse (9) is set
It is equipped with breaker (10)；
The other end of the fuse (9) is additionally provided with No. two current transformers (11)；No. two current transformers (11)
Output end is connected with the disconnecting switch in low-pressure chamber (4), and being accessed on the main bus-bar (5) on rear side of the disconnecting switch has copper bar
(12)；The other end of the copper bar (12) is provided with arrester (13)；The rear end of the arrester (13) is provided with mutual induction of voltage
Device (14).
2. 40.5kV according to claim 1 is greatly at a distance of fixed switching cabinet, it is characterised in that：Dividing plate (15) segmentation
Into adjacent chamber between main bus-bar on be mounted on porcelain bottle insulators.
3. 40.5kV according to claim 1 or 2 is greatly at a distance of fixed switching cabinet, it is characterised in that：The dividing plate (15)
Formed by the riveting of aluminizing zinc steel plate bending.
4. 40.5kV according to claim 1 is greatly at a distance of fixed switching cabinet, it is characterised in that：The cabinet (16) is armour
Withdraw-type is filled, and the insulation mode of cabinet (16) is the compound inslation of air and solid.
5. 40.5kV according to claim 1 is greatly at a distance of fixed switching cabinet, it is characterised in that：The breaker (10) is
Sulfur hexafluoride breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721202683.4U CN207183849U (en) | 2017-09-18 | 2017-09-18 | A kind of 40.5kV is greatly at a distance of fixed switching cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721202683.4U CN207183849U (en) | 2017-09-18 | 2017-09-18 | A kind of 40.5kV is greatly at a distance of fixed switching cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183849U true CN207183849U (en) | 2018-04-03 |
Family
ID=61747795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721202683.4U Active CN207183849U (en) | 2017-09-18 | 2017-09-18 | A kind of 40.5kV is greatly at a distance of fixed switching cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183849U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404074A (en) * | 2017-09-18 | 2017-11-28 | 南通阿斯通电器制造有限公司 | A kind of 40.5kV is greatly at a distance of fixed switching cabinet |
| CN113097891A (en) * | 2019-12-23 | 2021-07-09 | 河南森源电气股份有限公司 | Switch cabinet |
-
2017
- 2017-09-18 CN CN201721202683.4U patent/CN207183849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404074A (en) * | 2017-09-18 | 2017-11-28 | 南通阿斯通电器制造有限公司 | A kind of 40.5kV is greatly at a distance of fixed switching cabinet |
| CN113097891A (en) * | 2019-12-23 | 2021-07-09 | 河南森源电气股份有限公司 | Switch cabinet |
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