CN203839790U - 10kV single-phase corridor-type box substation - Google Patents
10kV single-phase corridor-type box substation Download PDFInfo
- Publication number
- CN203839790U CN203839790U CN201420232037.2U CN201420232037U CN203839790U CN 203839790 U CN203839790 U CN 203839790U CN 201420232037 U CN201420232037 U CN 201420232037U CN 203839790 U CN203839790 U CN 203839790U
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Abstract
The utility model relates to a 10kV single-phase corridor-type box substation. The substation comprises a box body which is divided by partitions into a transformer room, a high-voltage room and a low-voltage room. A 10kV single-phase oil-immersed transformer, low-voltage room equipment and high-voltage room equipment are respectively arranged in the transformer room, the high-voltage room and the low-voltage room. The 10kV single-phase corridor-type box substation has the following advantages: the range of power outage caused by fault of the transformer of the structure can be reduced, and the power supply reliability can be increased; the single-phase corridor-type box substation has no zero sequence current, is good in power supply quality and can reduce transmission of the same power; compared with a single-phase transmission line, a three-phase transmission line can save 25% of non-ferrous metal and has less power loss; and the 10kV single-phase corridor-type box substation is material-saving, and has a simple structure and excellent performance.
Description
Technical field
The utility model relates to a kind of converting equipment, the single-phase corridor formula of especially a kind of 10kV box-type substation.
Background technology
The terminal supply power mode of China is mainly that a Three-Phase Distribution Transformers adds JP cabinet or responsible 3 ~ 5 houses of three phase box like transformer are powered now, in the time that occurring quality problems or normally overhaul, the transformer of power supply has a power failure, the power failure areal extent causing is larger, life coverage to the masses is wide, and three-phase transformer exists zero-sequence current, negative-sequence current to have certain impact to power supply quality.
Summary of the invention
The purpose of this utility model is to provide the single-phase corridor formula of a kind of 10kV box-type substation, and this transformer station does not have zero-sequence current, and power supply quality is good, can reduce and carry same electric energy.
The technical solution of the utility model is: the single-phase corridor formula of a kind of 10kV box-type substation, this transformer station comprises casing, casing becomes transformer room, hyperbaric chamber, low-pressure chamber by baffle for separating, and 10kV single-phase oil immersion type transformer, low-pressure chamber equipment, hyperbaric chamber equipment are located at respectively corresponding indoor.
10kV single-phase oil immersion type transformer comprises high winding, low pressure winding and core limb, will is connected and combine with high-voltage terminal, low-pressure line-outgoing respectively with low pressure lug plate by high-voltage connection, a kind of single phase power supply mode of formation in oil tank of transformer.
Low-voltage equipment comprises frame circuit breaker, breaker of plastic casing, electric capacity, contactor, fuse; Low-pressure line-outgoing is by copper bar connecting frame circuit breaker and breaker of plastic casing; Electric capacity, contactor, fuse are serially connected by multiply flexible cord, then are connected with copper bar by breaker of plastic casing; The measurement of low-voltage equipment and protection comprise control element ammeter, voltmeter, voltage change-over switch, idle automatic controller and indicator light, and are directly installed on the panel of low pressure.
Hyperbaric chamber equipment comprises plug-in fuse, on-load switch, pressure relief valve, oil level gauge, oil temperature gauge; Plug-in fuse is connected with the high-voltage terminal of single-phase transformer in oil tank of transformer inside with on-load switch; The measurement of high-tension apparatus and protection comprise control element pressure relief valve, oil level gauge, oil temperature gauge and are directly installed on the panel of high pressure.
Transformer adopting D11 single-phase oil immersion type transformer, becomes the utilization voltage 220V of user's side by electromagnetic induction principle.
Top, transformer room is provided with shutter.
The single-phase corridor formula of 10kV box-type substation can carry out separately individual unit and stops power transmission operation and have overload and short-circuit protection.
The utility model has the advantage of: this structure transformer can reduce transformer fault causes the scope of power failure, increase power supply reliability, and single-phase corridor formula box-type substation does not have zero-sequence current, power supply quality is good, can reduce and carry same electric energy, three phase transmission line is compared with single-phase power transmission line, can save non-ferrous metal 25%, and electric energy loss is few during compared with single-phase transmission of electricity.Material saving, and simple structure, function admirable.
Brief description of the drawings
Fig. 1 is the utility model floor plan schematic diagram;
Fig. 2 is transformer vertical view of the present utility model;
Fig. 3 is the utility model structural representation;
Fig. 4 is instrumentation diagram on low-pressure chamber door of the present utility model;
Fig. 5 is instrumentation diagram in low-pressure chamber of the present utility model;
Fig. 6 is instrumentation diagram in hyperbaric chamber of the present utility model.
Embodiment
The single-phase corridor formula of a kind of 10kV box-type substation, this transformer station comprises casing, and casing becomes transformer room 1, hyperbaric chamber 2, low-pressure chamber 3 by baffle for separating, and 10kV single-phase oil immersion type transformer, low-pressure chamber equipment, hyperbaric chamber equipment are located at respectively corresponding indoor.
10kV single-phase oil immersion type transformer comprises high winding, low pressure winding and core limb, will is connected and combine with high-voltage terminal 7, low-pressure line-outgoing 8 respectively with low pressure lug plate 6 by high-voltage connection 5, a kind of single phase power supply mode of formation oil tank of transformer 4 is interior.Top, transformer room is provided with shutter 26.
Low-voltage equipment comprises frame circuit breaker 9, breaker of plastic casing 11, electric capacity 15, contactor 14, fuse 13; Low-pressure line-outgoing 8 is by copper bar 10 connecting frame circuit breaker and breaker of plastic casing; Electric capacity 15, contactor 14, fuse 13 are serially connected by multiply flexible cord 12, then are connected with copper bar 10 by breaker of plastic casing 11; The measurement of low-voltage equipment and protection comprise control element ammeter 16, voltmeter 17, voltage change-over switch 18, idle automatic controller 20 and indicator light 19, and are directly installed on the panel of low pressure.
Hyperbaric chamber equipment comprises plug-in fuse 21, on-load switch 22, pressure relief valve 23, oil level gauge 24, oil temperature gauge 25; Plug-in fuse 21 is connected with the high-voltage terminal 7 of single-phase transformer in oil tank of transformer inside with on-load switch 22; The measurement of high-tension apparatus and protection comprise control element pressure relief valve 23, oil level gauge 24, oil temperature gauge 25 and are directly installed on the panel of high pressure.
Transformer adopting D11 single-phase oil immersion type transformer, becomes the utilization voltage 220V of user's side by electromagnetic induction principle.
The single-phase corridor formula of 10kV box-type substation can carry out separately individual unit and stops power transmission operation and have overload and short-circuit protection.The single-phase corridor formula of 10kV box-type substation is according to the design of the physical dimension of domestic house, and designs fork truck or trailer loading position, is beneficial to the in place of box-type substation, and connection can stop power transmission to whole unit separately well and operate and realize protection on the spot.
Oil-filled transformer adopts D11 single-phase oil immersion type transformer, according to needs design and the transformer capacity that whole unit load matches of whole unit load, becomes the utilization voltage 220V of user's side by electromagnetic induction principle.
Low-pressure line-outgoing sleeve pipe, by copper bar connecting frame circuit breaker and low-pressure line-outgoing breaker of plastic casing, is observed the running status of outlet breaker of plastic casing, thereby outlet circuit is played to overcurrent protection, ground protection, short-circuit protection by outlet indicator light.
Electric capacity, contactor, fuse are serially connected by multiply flexible cord, then are connected with major loop by breaker of plastic casing, realize imaginary power automatic compensation function, and by indicator light, the switching of electric capacity are indicated.
Hyperbaric chamber on-load switch is connected with the outlet of single-phase transformer in oil tank of transformer inside, by this operation, the incoming power of transformer is led to and disconnected operation.Plug-in fuse is connected between transformer and on-load switch, and high-tension line is played to overcurrent protection.Pressure relief valve is directly installed on the panel of high pressure, and transformer is protected, prevent pressure excessive to fuel tank cause distortion and blast.
Oil temperature gauge, oil level gauge also fill on the panel with hyperbaric chamber, are directly inserted in the oil of transformer, and oil surface temperature and level height to transformer are monitored.
This kind of novel transformer promote the use of the incidence that can effectively reduce the power-off event on a large scale causing because of transformer fault, reliability, the fail safe of power supply are increased, and single-phase corridor formula box-type substation does not have zero-sequence current, power supply quality is good, in the process of carrying with amount electric energy, single-phase power transmission line is compared with three phase transmission line, can save non-ferrous metal 25%, and electric energy loss is few during compared with three-phase power transmission.The application of the single-phase corridor formula of this 10kV box-type substation can not only energy savings, and simple structure, function admirable.
Claims (3)
1. the single-phase corridor formula of a 10kV box-type substation, it is characterized in that: this transformer station comprises casing, casing becomes transformer room (1), hyperbaric chamber (2), low-pressure chamber (3) by baffle for separating, and 10kV single-phase oil immersion type transformer, low-pressure chamber equipment, hyperbaric chamber equipment are located at respectively corresponding indoor;
10kV single-phase oil immersion type transformer comprises high winding, low pressure winding and core limb, in oil tank of transformer (4), will be connected and combine with high-voltage terminal (7), low-pressure line-outgoing (8) respectively with low pressure lug plate (6) by high-voltage connection (5), a kind of single phase power supply mode of formation;
Low-voltage equipment comprises frame circuit breaker (9), breaker of plastic casing (11), electric capacity (15), contactor (14), fuse (13); Low-pressure line-outgoing (8) is by copper bar (10) connecting frame circuit breaker and breaker of plastic casing; Electric capacity (15), contactor (14), fuse (13) are serially connected by multiply flexible cord (12), then are connected with copper bar (10) by breaker of plastic casing (11); The measurement of low-voltage equipment and protection comprise control element ammeter (16), voltmeter (17), voltage change-over switch (18), idle automatic controller (20) and indicator light (19), and are directly installed on the panel of low pressure;
Hyperbaric chamber equipment comprises plug-in fuse (21), on-load switch (22), pressure relief valve (23), oil level gauge (24), oil temperature gauge (25); Plug-in fuse (21) is connected with the high-voltage terminal (7) of single-phase transformer in oil tank of transformer inside with on-load switch (22); The measurement of high-tension apparatus and protection comprise control element pressure relief valve (23), oil level gauge (24), oil temperature gauge (25) and are directly installed on the panel of high pressure.
2. the single-phase corridor formula of 10kV box-type substation according to claim 1, is characterized in that: top, transformer room is provided with shutter (26).
3. the single-phase corridor formula of 10kV box-type substation according to claim 1, is characterized in that: the single-phase corridor formula of this 10kV box-type substation can carry out separately individual unit and stops power transmission operation and have overload and short-circuit protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232037.2U CN203839790U (en) | 2014-05-08 | 2014-05-08 | 10kV single-phase corridor-type box substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232037.2U CN203839790U (en) | 2014-05-08 | 2014-05-08 | 10kV single-phase corridor-type box substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839790U true CN203839790U (en) | 2014-09-17 |
Family
ID=51517589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420232037.2U Expired - Fee Related CN203839790U (en) | 2014-05-08 | 2014-05-08 | 10kV single-phase corridor-type box substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839790U (en) |
-
2014
- 2014-05-08 CN CN201420232037.2U patent/CN203839790U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |