CN205583684U - Liquefied natural gas power supply and distribution system and high tension switchgear group thereof - Google Patents
Liquefied natural gas power supply and distribution system and high tension switchgear group thereof Download PDFInfo
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- CN205583684U CN205583684U CN201620312615.2U CN201620312615U CN205583684U CN 205583684 U CN205583684 U CN 205583684U CN 201620312615 U CN201620312615 U CN 201620312615U CN 205583684 U CN205583684 U CN 205583684U
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- Prior art keywords
- power source
- tension switch
- switch cabinet
- group
- cabinet group
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Abstract
The utility model discloses a high tension switchgear group, main power source commercial power inlet wire in including high -pressure inlet wire cabinet, operate power bus and locating high -pressure inlet wire cabinet includes still to be used for for high tension switchgear organizes the uninterrupted power source of power supply and is used for the voltage transformer for the uninterrupted power source power supply that connect in main power source commercial power inlet wire, and uninterrupted power source's input is connected in voltage transformer, and uninterrupted power source's output is connected in operating power bus. The operation circuit that can organize as high tension switchgear when using supplies power convenient and reliablely. The utility model also discloses a service reliability is higher that includes the liquefied natural gas power supply and distribution system of above -mentioned high tension switchgear group, the operating power.
Description
Technical field
This utility model relates to derived energy chemical field, particularly to a kind of high-tension switch cabinet group.This
Outward, this utility model further relates to a kind of liquefied natural gas including above-mentioned high-tension switch cabinet group for joining
Electricity system.
Background technology
Liquefied natural gas (LNG) plant needs to use high-tension switch cabinet group to be powered, and at present, height presses off
Close cabinet group by individually setting up DC control screen as the operation power supply of high-tension switch cabinet group.But,
Being separately provided the relatively costly of a set of DC control screen or other DC power supply devices, this kind straight
Stream power-supply device needs periodically to safeguard, and the reliability of power supply is poor, especially for height
For the liquefied natural gas (LNG) plant of cabinet negligible amounts that compresses switch, use single DC power supply device
Cost performance is relatively low.
Therefore, the operation circuit for high-tension switch cabinet group is powered the most easily and reliably, is ability
Field technique personnel are presently required and solve the technical problem that.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of high-tension switch cabinet group, it is possible to side
The most reliably the operation circuit for high-tension switch cabinet group is powered.
Another object of the present utility model is to provide a kind of liquid including above-mentioned high-tension switch cabinet group
Changing natural gas power supply-distribution system, the power supply reliability of operation power supply is higher.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of high-tension switch cabinet group, including High-voltage Incoming Cabinet, operates power source bus and is located at described
Main power source civil power inlet wire in High-voltage Incoming Cabinet, also includes for supplying for described high-tension switch cabinet group
The uninterrupted power source of electricity and for the voltage transformer powered for described uninterrupted power source, described electricity
Pressure transformer is connected to described main power source civil power inlet wire, and the input of described uninterrupted power source connects
In described voltage transformer, it is female that the outfan of described uninterrupted power source is connected to described operation power supply
Line.
Preferably, described uninterrupted power source is the small-sized uninterrupted electricity that rated capacity is less than 10kVA
Source.
Preferably, described high pressure inlet wire is all located at by described uninterrupted power source and described voltage transformer
In cabinet, and the described behaviour that the outfan of described uninterrupted power source is connected in described High-voltage Incoming Cabinet
Make power source bus.
Preferably, it is additionally provided with fuse between described voltage transformer and described uninterrupted power source.
Preferably, the outer surface of described High-voltage Incoming Cabinet is provided with waterproof membrane.
Preferably, described High-voltage Incoming Cabinet is provided with at least two air vent.
Preferably, described disposed at air vent is removably provided with the end for sealing described air vent
Lid.
A kind of liquefied natural gas power supply-distribution system, including high-tension switch cabinet group, described high-voltage switch gear
Cabinet group is the high-tension switch cabinet group as described in above-mentioned any one.
The high-tension switch cabinet group that this utility model provides includes that High-voltage Incoming Cabinet, operation power supply are female
Line, the main power source civil power inlet wire being arranged in high-tension switch cabinet, voltage transformer and uninterruptedly electricity
Source.Voltage transformer is connected to main power source civil power inlet wire, and the input of uninterrupted power source is connected to
Voltage transformer, the outfan of uninterrupted power source is connected to operate power source bus.
Using uninterrupted power source in use is that high-tension switch cabinet group is powered, and improves power supply
The stability of process, anti-interference, can provide not for high-tension switch cabinet group when commercial power interruption
The supply of electric power being interrupted, it is possible to effectively protection high-tension switch cabinet group, is conducive to extending high-voltage switch gear
In the service life of cabinet group, the reliability of power supply is stronger；Additionally, without arranging single unidirectional current
Source device, is arranged conveniently, and the most cost-effective, cost performance is higher.
What this utility model provided includes that the liquefied natural gas of above-mentioned high-tension switch cabinet group is for distribution
System, the power supply reliability of operation power supply is higher.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art,
The accompanying drawing used required in embodiment or description of the prior art will be briefly described below,
It should be evident that the accompanying drawing in describing below is only embodiment of the present utility model, for this
From the point of view of the those of ordinary skill of field, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the structural representation of the specific embodiment of the provided High-voltage Incoming Cabinet of this utility model
Figure.
In figure, 1 is main power source civil power inlet wire, and 2 is voltage transformer, and 3 is uninterrupted power source.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment
Technical scheme be clearly and completely described, it is clear that described embodiment be only this
The a part of embodiment of utility model rather than whole embodiments.Based in this utility model
Embodiment, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of this utility model protection.
Core of the present utility model is to provide a kind of high-tension switch cabinet group, it is possible to be easily and reliably
The operation circuit of high-tension switch cabinet group is powered.Another core of the present utility model is to provide a kind of bag
Including the liquefied natural gas power supply-distribution system of above-mentioned high-tension switch cabinet group, the power supply of operation power supply is reliable
Property is higher.
Refer to Fig. 1, Fig. 1 specific embodiment by the provided High-voltage Incoming Cabinet of this utility model
Structural representation.
In a kind of specific embodiment of this utility model provided high-tension switch cabinet group, high-voltage switch gear
Cabinet group includes High-voltage Incoming Cabinet, the main electricity operating power source bus, being arranged in High-voltage Incoming Cabinet
Source civil power inlet wire 1, uninterrupted power source 3 and voltage transformer 2.Wherein, voltage transformer 2
Being connected to main power source civil power inlet wire 1, the input of uninterrupted power source 3 is connected to voltage transformer 2,
The outfan of uninterrupted power source 3 is connected to operate power source bus, say, that voltage transformer
2 by the voltage of conversion main power source civil power inlet wire 1 thus directly power for uninterrupted power source 3,
Uninterrupted power source 3 is powered for high-tension switch cabinet group, powers specifically for high-tension switch cabinet group herein
Refer to that voltage transformer 2 and uninterrupted power source 3 can be as operation power supplys and electric by operation
Source bus is that the operation circuit in high-tension switch cabinet group is powered.
Use uninterrupted power source 3 to be powered for high-tension switch cabinet group in use, improve confession
The stability of electric process, anti-interference, can provide for high-tension switch cabinet group when commercial power interruption
Continual supply of electric power, it is possible to effectively protection high-tension switch cabinet group, is conducive to extending height and presses off
Closing the service life of cabinet group, the reliability of power supply is stronger；Additionally, without arranging single direct current
Power-supply device, is arranged conveniently, and the most cost-effective, cost performance is higher.
Specifically, the small-sized uninterrupted power source that rated capacity can be selected to be less than 10kVA comes height
The cabinet group that compresses switch is powered, cost-effective while meeting the demand of high-tension switch cabinet group.
It is of course also possible to select the uninterrupted power source 3 of other models according to the actual requirements.
Generally, high-tension switch cabinet group includes one or at least two high-tension switch cabinet, wherein,
It is High-voltage Incoming Cabinet for being introduced from outside into power supply to the high-tension switch cabinet in high-tension switch cabinet group.
Specifically, uninterrupted power source 3 and voltage transformer 2 all can be located in High-voltage Incoming Cabinet,
And the outfan of this uninterrupted power source 3 is connected to the operation power source bus that is positioned in High-voltage Incoming Cabinet
On, arrange conveniently, the most cost-effective.It is of course also possible to by voltage transformer 2 and
Uninterrupted power source 3 is arranged on other positions.
Or, a uninterrupted power source 3 can be respectively provided with in all high-tension switch cabinets, and
The input of each uninterrupted power source 3 is connected to above-mentioned voltage transformer 2, each uninterrupted electricity
The outfan in source 3 is connected to be positioned at the operation of the high-tension switch cabinet at this uninterrupted power source 3 place
On power source bus, i.e. uninterrupted power source 3 be connected to operation power source bus and voltage transformer 2 it
Between, in order to each high-tension switch cabinet is controlled respectively.It is of course also possible to by other
Mode arranges uninterrupted power source 3.
Specifically, fuse can be set between uninterrupted power source 3 and voltage transformer 2,
So that uninterrupted power source 3 or high-tension switch cabinet group are protected further.
The outer surface of the High-voltage Incoming Cabinet in each embodiment above-mentioned be also provided with one layer waterproof
Film, thus improve the water resistance of High-voltage Incoming Cabinet, bigger especially for being arranged on humidity ratio
Local High-voltage Incoming Cabinet, the setting of waterproof membrane advantageously ensures that the normal work of High-voltage Incoming Cabinet
Make, extend the service life of High-voltage Incoming Cabinet, reduce economic loss.Certainly, high-tension switch cabinet
The outer surface of other high-tension switch cabinets in group can also arrange waterproof membrane, or by its other party
Formula improves water resistance.
Or, High-voltage Incoming Cabinet can arrange at least two air vent, for example, it is possible to
It is respectively provided with an air vent, to ensure on two relative sidewalls of the shell of High-voltage Incoming Cabinet
The inside of High-voltage Incoming Cabinet maintains the circulation of air with the external world, meets all parts in High-voltage Incoming Cabinet
Radiating requirements.Certainly, other high-voltage switch gears in high-tension switch cabinet group cashier's office in a shop can also be arranged
Air vent.
Further, can be removably disposed in the outside of air vent and can seal air vent
End cap or other sealing members, can seal logical when environment is more moist or during rainy weather
Air holes, improves High-voltage Incoming Cabinet or other high-tension switch cabinets adaptability to environment.Specifically,
End cap and air vent can be threaded connection, grafting or other modes removably connect.
Except above-mentioned high-tension switch cabinet group, this utility model additionally provides one and includes above-mentioned enforcement
The liquefied natural gas power supply-distribution system of high-tension switch cabinet group disclosed in example, this liquefied natural gas is for joining
Electricity system is owing to have employed above-mentioned high-tension switch cabinet group, and the power supply reliability of operation power supply is higher.
The structure of other each several parts of this liquefied natural gas power supply-distribution system refer to prior art, herein
Repeat no more.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment emphasis is said
Bright is all the difference with other embodiments, and between each embodiment, identical similar portion is mutual
See mutually.
Above liquefied natural gas power supply-distribution system provided by the utility model and height thereof are pressed off
Close cabinet group to be described in detail.Specific case used herein is to principle of the present utility model
And embodiment is set forth, the explanation of above example is only intended to help and understands this practicality
Novel method and core concept thereof.It should be pointed out that, the ordinary skill people for the art
For Yuan, on the premise of without departing from this utility model principle, it is also possible to this utility model is entered
The some improvement of row and modification, these improve and modify the guarantor also falling into this utility model claim
In the range of protecting.
Claims (8)
1. a high-tension switch cabinet group, including High-voltage Incoming Cabinet, operates power source bus and is located at
Main power source civil power inlet wire (1) in described High-voltage Incoming Cabinet, it is characterised in that also include for
The uninterrupted power source (3) powered for described high-tension switch cabinet group and for for described uninterrupted power source
(3) voltage transformer (2) powered, described voltage transformer (2) is connected to described main electricity
Source civil power inlet wire (1), the input of described uninterrupted power source (3) is connected to described mutual induction of voltage
Device (2), the outfan of described uninterrupted power source (3) is connected to described operation power source bus.
High-tension switch cabinet group the most according to claim 1, it is characterised in that described not
Uninterruptible power (3) is the small-sized uninterrupted power source that rated capacity is less than 10kVA.
High-tension switch cabinet group the most according to claim 1, it is characterised in that described not
Uninterruptible power (3) and described voltage transformer (2) are all located in described High-voltage Incoming Cabinet, and
The described operation electricity that the outfan of described uninterrupted power source (3) is connected in described High-voltage Incoming Cabinet
Source bus.
High-tension switch cabinet group the most according to claim 1, it is characterised in that described electricity
It is additionally provided with fuse between pressure transformer (2) and described uninterrupted power source (3).
5. according to the high-tension switch cabinet group described in Claims 1-4 any one, its feature
Being, the outer surface of described High-voltage Incoming Cabinet is provided with waterproof membrane.
6. according to the high-tension switch cabinet group described in Claims 1-4 any one, its feature
Being, described High-voltage Incoming Cabinet is provided with at least two air vent.
High-tension switch cabinet group the most according to claim 6, it is characterised in that described logical
The end cap for sealing described air vent removably it is provided with at air holes.
8. a liquefied natural gas power supply-distribution system, including high-tension switch cabinet group, its feature exists
In, described high-tension switch cabinet group is the high-tension switch cabinet described in claim 1 to 7 any one
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312615.2U CN205583684U (en) | 2016-04-14 | 2016-04-14 | Liquefied natural gas power supply and distribution system and high tension switchgear group thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312615.2U CN205583684U (en) | 2016-04-14 | 2016-04-14 | Liquefied natural gas power supply and distribution system and high tension switchgear group thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583684U true CN205583684U (en) | 2016-09-14 |
Family
ID=56861962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620312615.2U Active CN205583684U (en) | 2016-04-14 | 2016-04-14 | Liquefied natural gas power supply and distribution system and high tension switchgear group thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205583684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380344A (en) * | 2019-07-02 | 2019-10-25 | 海鸿电气有限公司 | A kind of high-tension switch cabinet power supply safeguards system |
-
2016
- 2016-04-14 CN CN201620312615.2U patent/CN205583684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380344A (en) * | 2019-07-02 | 2019-10-25 | 海鸿电气有限公司 | A kind of high-tension switch cabinet power supply safeguards system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |