CN207966715U - A kind of combined transformer with multiple protective - Google Patents
A kind of combined transformer with multiple protective Download PDFInfo
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- CN207966715U CN207966715U CN201820426529.3U CN201820426529U CN207966715U CN 207966715 U CN207966715 U CN 207966715U CN 201820426529 U CN201820426529 U CN 201820426529U CN 207966715 U CN207966715 U CN 207966715U
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Abstract
The utility model is related to a kind of combined transformer with multiple protective, including hyperbaric chamber, transformer room and low-voltage cabinet, high voltage isolator is installed in hyperbaric chamber；Oil tank of transformer is installed in transformer room, transformer and the high voltage load switch for controlling transformer and high pressure full range fuse are installed in oil tank of transformer；Low-voltage frame circuit breaker is installed in low-voltage cabinet；The bushing of high voltage isolator and transformer connects, and the low-tension bushing of low-voltage frame circuit breaker and transformer connects.The utility model carries out multiple protective by using high voltage isolator, gas relay, high pressure full range fuse and low-voltage frame circuit breaker to combined transformer and electric system; not only contribute to safety when combined transformer repair and maintenance; but also fault coverage can be further reduced, significantly improve combined transformer and the safe and stable operation of electric system.
Description
Technical field
The utility model is related to a kind of combined transformer, more particularly to a kind of combined type variable-pressure with multiple protective
Device belongs to substation field.
Background technology
Currently, as the development of national grid and the strategy of new energy are reformed, for demand also day of combined transformer
Benefit increases.Combined transformer is a kind of collection high-tension switch gear, step transformer and low-voltage electrical appliance, according to certain
A kind of complete set of equipments that the mode of connection integrates, i.e., organically by functions such as transformer buck, high-low-voltage electrical equipments
Combine, be mounted on one moisture-proof, antirust, dust-proof, protection against rodents, fire prevention, antitheft, heat-insulated, totally-enclosed, moveable steel construction
In shell, the needs especially suitable for Urban Net Construction and generation of electricity by new energy.Combined transformer be suitable for industrial and mining enterprises, state's net,
Wind power station and solar power plant are a kind of substations that miniature self-service is on duty.Combined transformer have it is technologically advanced,
Securely and reliably, the advantages that high degree of automation, factory prefabricating, flexible combination, but there is also some shortcomings, examples simultaneously
Such as：The hermetically sealed operation of babinet, is unfavorable for divulging information, is also unfavorable for fire attack；Combined transformer space for maintenance is smaller, and thing occurs
Therefore when be unfavorable for cutting off the power in time.
Utility model content
The purpose of the utility model is to overcome the problems of the above-mentioned prior art, it is proposed that one kind having multiple protective
Combined transformer.
The utility model adopts the following technical solution：A kind of combined transformer with multiple protective, including hyperbaric chamber,
Transformer room and low-voltage cabinet are equipped with high voltage isolator in the hyperbaric chamber；Transformer oil is installed in the transformer room
Case is equipped with transformer and the high voltage load switch for controlling transformer and high pressure gamut in the oil tank of transformer
Fuse, the high voltage load switch are connected in series with the high pressure full range fuse；Low pressure is installed in the low-voltage cabinet
Frame circuit breaker；The bushing of the high voltage isolator and transformer connects, the low-voltage frame circuit breaker and transformer
Low-tension bushing connection.
Preferably, it is also equipped with gas relay in the transformer room；An oil storage is provided on the oil tank of transformer
Cabinet is connected to by pipeline with the oil tank of transformer；The gas relay is set between oil conservater and oil tank of transformer
On pipeline.
Preferably, the bushing of the high voltage isolator and transformer is attached using tin-coated copper bar.
Preferably, high-tension insulator is also equipped in the hyperbaric chamber, the high-tension insulator is used to support tin-coated copper bar.
Preferably, high-voltage arrester is also equipped in the hyperbaric chamber, the high-voltage arrester is in parallel with transformer room to be connected
It connects.
Preferably, the low-tension bushing of the low-voltage frame circuit breaker and transformer is attached using tin-coated copper bar.
Preferably, after being evident that port, high-tension cable are entered by hyperbaric chamber there are one the high voltage isolator tools,
It is connect first with the lower port of high voltage isolator, the high pressure of transformer is then connected to by the upper port of high voltage isolator
Casing, then transformer is connected to by high voltage load switch in oil tank of transformer and high pressure full range fuse.
Preferably, the combined transformer is in integrally that Chinese character pin-shaped structure arranges that wherein one end is hyperbaric chamber, and the other end is
Transformer room and low-voltage cabinet.
The advantageous effects that the utility model is brought are：The utility model by using high voltage isolator, gas after
Electric appliance, high pressure full range fuse and low-voltage frame circuit breaker carry out multiple protective, tool to combined transformer and electric system
Have the advantages that space for maintenance is big, can cut off the power in time when accident occurs, when not only contributing to combined transformer repair and maintenance
Safety, but also can further reduce fault coverage, significantly improve the safety of combined transformer and electric system
Stable operation.
Description of the drawings
Fig. 1 is the structural representation of the combined transformer with multiple protective provided in the utility model one embodiment
Figure；
Fig. 2 is the vertical view of the combined transformer with multiple protective provided in the utility model one embodiment.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples, but not as the limit to the utility model
It is fixed.
As shown in Figure 1 and Figure 2, the reference numerals are as follows：1 --- hyperbaric chamber；2, transformer room；3, low-voltage cabinet；4, high pressure
Disconnecting switch；5, high-voltage arrester；6, high-tension insulator；7, gas relay；8, low-voltage frame circuit breaker；9, high pressure gamut
Fuse.
Embodiment 1
As shown in Figure 1, the utility model discloses a kind of combined transformers with multiple protective, include mainly high pressure
3 three room 1, transformer room 2 and low-voltage cabinet parts are equipped with high voltage isolator 4 in hyperbaric chamber 1, are equipped in transformer room 2
Oil tank of transformer, transformer and high voltage load switch for controlling transformer are equipped in oil tank of transformer and high pressure is complete
Range fuse 9, high voltage load switch are connected in series with high pressure full range fuse, and it is disconnected that low pressure frame is equipped in low-voltage cabinet 3
Road device 8.High voltage isolator 4 is connect with the bushing of transformer, and low-voltage frame circuit breaker 8 and the low-tension bushing of transformer connect
It connects.
In the present embodiment, high voltage isolator 4 is installed in hyperbaric chamber 1, the offer of high voltage isolator 4 is evident that
Fracture has the function of electrical isolation, to ensure the safety of repair and maintenance personnel.High voltage load is installed in oil tank of transformer
Switch and high pressure full range fuse 9, the short circuit as transformer and other power equipments and overload protection element, meanwhile, also
It is capable of providing alarm signal or tripping low-voltage frame circuit breaker.Low-voltage frame circuit breaker 8, the low pressure frame are installed in low-voltage cabinet
The upper port of frame breaker is connected to the low-tension bushing of transformer, and the lower port of low-voltage frame circuit breaker is connected with customer charge.
Low-voltage frame circuit breaker can provide protective effect under the fault conditions such as overload, short circuit, ground connection, and provide circuit-breaker switching on-off
Signal and fault-signal, and distant place control and acquisition signal can be carried out, while can also be according to the load condition pair at scene
Overload current and short circuit current are adjusted.
In a preferred embodiment, it is also equipped with gas relay 7 in transformer room 2, is set on oil tank of transformer
It is equipped with an oil conservater, is connected to oil tank of transformer by pipeline, gas relay is set between oil conservater and oil tank of transformer
Pipeline on.
In the present embodiment, gas relay 7 is installed in transformer room 2, the important safety as transformer protects dress
It sets, connects signal or trip(ping) circuit under the gas or oil stream effect for being generated in power transformer interior fault, related device is made to send out
Go out alarm signal or transformer is made to be cut off from power grid, has the function that protect transformer.
In a preferred embodiment, high voltage isolator 4 and the bushing of transformer are connected using tin-coated copper bar
It connects, the low-tension bushing of low-voltage frame circuit breaker and transformer is also attached using tin-coated copper bar.
In a preferred embodiment, high-tension insulator 6 is also equipped in hyperbaric chamber 1, high-tension insulator is used to support plating
Tin copper bar.
In the present embodiment, high-tension cable enters from 1 bottom of hyperbaric chamber and is connect with 4 lower port of high voltage isolator, then
It is attached from the bushing of 4 upper port of high voltage isolator and transformer using tin-coated copper bar, during the connection process high pressure
Insulator 6 plays the role of supporting tin-coated copper bar wherein.The bushing of transformer is passing through high voltage load switch and high pressure
It is connect with the high-pressure side of transformer coil after full range fuse 9, the low-tension bushing of transformer and the low-pressure side of transformer coil
Connection.
In a preferred embodiment, high-voltage arrester 5, high-voltage arrester 5 and transformer room are also equipped in hyperbaric chamber 1
It is connected in parallel, plays the role of lightning protection.
In a preferred embodiment, the tool of the high voltage isolator 4 is there are one being evident that port, high-tension cable by
After 1 bottom of hyperbaric chamber enters, it is connect first with the lower port of high voltage isolator 4, then passes through the upper end of high voltage isolator 4
Mouth is connected to the bushing of transformer, then passes through the high voltage load switch and high pressure full range fuse 9 in oil tank of transformer
It is connected to transformer.
In a preferred embodiment, as shown in Fig. 2, combined transformer is in integrally Chinese character pin-shaped structure arrangement, wherein one
End is hyperbaric chamber, and the other end is transformer room and low-voltage cabinet, installation and cabling of this structure convenient for electric components.
In the combined transformer provided by the utility model with multiple protective, high pressure indoor location high pressure every
Pass 4 is left, provides and is evident that fracture, plays the role of electrical isolation, it is ensured that personnel safety when repair and maintenance.In transformation
Device indoor location gas relay 7 connects signal or trip(ping) circuit in the case where power transformer interior fault generates gas and has stream to act on,
Make related device signal an alert or transformer is made to be cut off from power grid, has the function that protect transformer.In transformer oil
Installation high pressure gamut protects fuse 9 in case, the short circuit as transformer and other power equipments and overload protection element, together
When, it is capable of providing alarm signal or tripping low-voltage frame circuit breaker.Combined transformer low-pressure side installs low-voltage frame circuit breaker
8, low-voltage frame circuit breaker 8 can provide protection under the fault conditions such as overload, short circuit, ground connection, and provide circuit-breaker switching on-off
Signal and fault-signal, and distant place control and acquisition signal can be carried out.After having above 4 kinds of protections, to entirely combining
Formula transformer and the stability of electric system have further raising, while being safety of the operations staff in repair and maintenance
Provide better guarantee.
The above is only the preferred embodiment of the present invention, can not therefore be interpreted as to the scope of the utility model
Limitation, it is noted that those skilled in the art, without departing from the concept of the premise utility, also
Several modifications and improvements can be made, these belong to the scope of protection of the utility model.
Claims (8)
1. a kind of combined transformer with multiple protective, including hyperbaric chamber, transformer room and low-voltage cabinet, it is characterised in that：
High voltage isolator is installed in the hyperbaric chamber；Oil tank of transformer, the oil tank of transformer are installed in the transformer room
Transformer and the high voltage load switch for controlling transformer and high pressure full range fuse are inside installed, the high pressure is negative
Lotus switch is connected in series with the high pressure full range fuse；Low-voltage frame circuit breaker is installed in the low-voltage cabinet；The height
The bushing of disconnecting switch and transformer is pressed to connect, the low-tension bushing of the low-voltage frame circuit breaker and transformer connects.
2. combined transformer according to claim 1, it is characterised in that：
It is also equipped with gas relay in the transformer room；It is provided with an oil conservater on the oil tank of transformer, passes through pipeline
It is connected to the oil tank of transformer；The gas relay is set on the pipeline between oil conservater and oil tank of transformer.
3. combined transformer according to claim 1, it is characterised in that：
The bushing of the high voltage isolator and transformer is attached using tin-coated copper bar.
4. combined transformer according to claim 3, it is characterised in that：
High-tension insulator is also equipped in the hyperbaric chamber, the high-tension insulator is used to support tin-coated copper bar.
5. combined transformer according to claim 1, it is characterised in that：
High-voltage arrester is also equipped in the hyperbaric chamber, the high-voltage arrester is connected in parallel with transformer room.
6. combined transformer according to claim 1, it is characterised in that：
The low-tension bushing of the low-voltage frame circuit breaker and transformer is attached using tin-coated copper bar.
7. combined transformer according to claim 1, it is characterised in that：
High voltage isolator tool there are one after being evident that port, high-tension cable are entered by hyperbaric chamber, first with high pressure
The lower port of disconnecting switch connects, and the bushing of transformer is then connected to by the upper port of high voltage isolator, then lead to
The high voltage load switch and high pressure full range fuse crossed in oil tank of transformer are connected to transformer.
8. combined transformer according to claim 1, it is characterised in that：
The combined transformer integrally be in Chinese character pin-shaped structure arrange, wherein one end be hyperbaric chamber, the other end be transformer room and
Low-voltage cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426529.3U CN207966715U (en) | 2018-03-27 | 2018-03-27 | A kind of combined transformer with multiple protective |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426529.3U CN207966715U (en) | 2018-03-27 | 2018-03-27 | A kind of combined transformer with multiple protective |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207966715U true CN207966715U (en) | 2018-10-12 |
Family
ID=63725427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820426529.3U Active CN207966715U (en) | 2018-03-27 | 2018-03-27 | A kind of combined transformer with multiple protective |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207966715U (en) |
-
2018
- 2018-03-27 CN CN201820426529.3U patent/CN207966715U/en active Active
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